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Bi-Min Hsu
Department of Industrial Engineering and Management, Cheng Shiu University, Kaohsiung, Taiwan

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Article
Published: 09 March 2021 in Communications in Statistics - Theory and Methods
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The traditional reliability inference based on the metric of mean life between failures for validating suppliers imposes insufficient deliberations on their supplied variability of unit-to-unit failure times as well as incompetent formation as a standardized metric to verify each supplier’s products reliability. To fulfill this gap in this paper, we develop a standardized lifetime-capability metric based reliability hypothesis in the production verification test, wherein the amount of the mean life between failures outlives the stipulated warranty period is evaluated by the unit-to-unit lifetime deviation. This lifetime-capability based supplier qualification allows the distinct life scales yielded from life-testing applications being standardized into lifetime-capability scores, whereby the accessible reliability–capability tables for suppliers’ validations can be easily built and enacted in practice. Furthermore, with physically accelerated Weibull-life type II testing data collected from supplier submissions, we advance statistical methodologies of the lifetime-capability metric for acquiring its lower confidence bound at a specified level of confidence to reveal the true lifetime-capability performance of the supplier. Moreover, since the lifetime-capability metric is capable of translating the supplier’s reliability capability into financial perspectives of warranty returns and vice versa, this advancement enables frontline managers to select preferred suppliers according to their acceptable warranty return rate, thereby preventing non-economic warranty costs; on the other hand, with the buyer’s warranty reserve set beforehand, the maximum allowable warranty return rate for the reserve and the minimum required lifetime-capability performance for the products are obtained to select the qualified suppliers.

ACS Style

Ming-Hung Shu; Chien-Wei Wu; Bi-Min Hsu; To-Cheng Wang. Standardized lifetime-capability and warranty-return-rate-based suppliers qualification and selection with accelerated Weibull-life type II testing data. Communications in Statistics - Theory and Methods 2021, 1 -19.

AMA Style

Ming-Hung Shu, Chien-Wei Wu, Bi-Min Hsu, To-Cheng Wang. Standardized lifetime-capability and warranty-return-rate-based suppliers qualification and selection with accelerated Weibull-life type II testing data. Communications in Statistics - Theory and Methods. 2021; ():1-19.

Chicago/Turabian Style

Ming-Hung Shu; Chien-Wei Wu; Bi-Min Hsu; To-Cheng Wang. 2021. "Standardized lifetime-capability and warranty-return-rate-based suppliers qualification and selection with accelerated Weibull-life type II testing data." Communications in Statistics - Theory and Methods , no. : 1-19.

Journal article
Published: 24 February 2021 in Quality Engineering
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Reducing the warranty cost to increase profit is a major focus for most businesses. To achieve this goal, the acceptance sampling plan (ASP) can be an efficient tool to validate whether the product lifetimes meet their requirements. In the ASP practice, the single sampling plan (SSP) is widely used due to its administrative simplicity. Unfortunately, the SSP ignores the valuable sample information from preceding lots, which may reduce its efficiency and quality-discrimination power. Especially, the collection of lifetime information often consumes a significant amount of time and is expensive in today’s high product-yield and long-life environment. To address the drawbacks of the SSP, we propose a lifetime performance-qualified quick switch sampling (QSS) system under a Weibull distribution with failure-censoring. This system nimbly switches between the normal SSP and tightened SSP based on the previous lot-disposition result. Compared to the ordinary SSP and the recently proposed multiple-lot dependent sampling plan, the QSS system not only significantly reduces the required number of failures that need to be observed in the life testing but also exhibits a better discriminatory operating characteristic curve for the lot disposition. On the other hand, the QSS system helps the consumer to communicate to the supplier important messages that (i) only with reliable submissions the latter can persistently enjoy the benefits of the normal lot-sentencing standard; (ii) once the submitted lot is rejected, the supplier will have to spend more efforts to gain back the consumer trust. Moreover, we developed a web-based tool to help practitioners obtain the system criteria easily and quickly without the need for the traditional time-consuming table lookup. By operating the interactive interface of the web app, practitioners can quickly obtain the system criteria conforming to the requirements. Finally, the proposed QSS system is illustrated by a real-life application.

ACS Style

Ming-Hung Shu; Chien-Wei Wu; Bi-Min Hsu; To-Cheng Wang. Lifetime performance-qualified sampling system under a Weibull distribution with failure-censoring. Quality Engineering 2021, 1 -13.

AMA Style

Ming-Hung Shu, Chien-Wei Wu, Bi-Min Hsu, To-Cheng Wang. Lifetime performance-qualified sampling system under a Weibull distribution with failure-censoring. Quality Engineering. 2021; ():1-13.

Chicago/Turabian Style

Ming-Hung Shu; Chien-Wei Wu; Bi-Min Hsu; To-Cheng Wang. 2021. "Lifetime performance-qualified sampling system under a Weibull distribution with failure-censoring." Quality Engineering , no. : 1-13.

Original paper
Published: 03 January 2021 in Computational Statistics
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The skip-lot sampling plan (SkSP) is employed in supply chains to decrease the amount of inspection required for submitted lots when they have demonstrated a succession of lots with excellent quality. As only some fractions of lots are examined, the cost of inspection is reduced. With the current abundance of high-yield products, however, the majority of SkSP schemes have been utilized for attributes testing, which does not fully reveal the SkSP’s economic advantages. Thus, on the basis of the process capability index Cpk, the variables SkSP with single sampling as a reference plan (Cpk-SkSP-2) was developed. With management of the lot’s quality and tolerable risks agreeable to both the supplier and the buyer, the Cpk-SkSP-2 were incorporated with acceptance probabilities (rather than asymptotic approximations), which yielded the exact sampling distribution of the Cpk estimator at the specified quality standards. Furthermore, the equilibrium probability for the acceptance of Cpk-SkSP-2 was derived from a Markov chain technique. These treatments enable minimization of the average number of samples required to render more reliable and optimal plan parameters for the inspection of products with a low fraction of defectives. The results are compared with the variables Cpk-based single sampling plans. Finally, a graphical user interface was built on the basis of our proposed Cpk-SkSP-2 procedures and methodologies to facilitate data input, plan selection, criteria computation, and decision-making in practice.

ACS Style

Chien-Wei Wu; Ming-Hung Shu; Pei-An Wang; Bi-Min Hsu. Variables skip-lot sampling plans on the basis of process capability index for products with a low fraction of defectives. Computational Statistics 2021, 36, 1391 -1413.

AMA Style

Chien-Wei Wu, Ming-Hung Shu, Pei-An Wang, Bi-Min Hsu. Variables skip-lot sampling plans on the basis of process capability index for products with a low fraction of defectives. Computational Statistics. 2021; 36 (2):1391-1413.

Chicago/Turabian Style

Chien-Wei Wu; Ming-Hung Shu; Pei-An Wang; Bi-Min Hsu. 2021. "Variables skip-lot sampling plans on the basis of process capability index for products with a low fraction of defectives." Computational Statistics 36, no. 2: 1391-1413.

Journal article
Published: 14 August 2020 in Sustainability
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Airports are important air transportation facilities, providing cargo transportation, aircraft takeoff and landing, and passenger services. Trade liberalization and globalization along with shifting economies and trading focuses have led to the rapid growth of airline and cargo transportation in Asia-Pacific regions. Therefore, Asian countries are constantly expanding and improving their airport facilities. Thus, improving and measuring airline service quality has attracted significant research attention in recent years. The Chinese Government has also actively promoted low-cost tourism, although competition in low-cost carrier markets was bound to be fierce. This not only promoted tourism industries but also attracted many foreign visitors to taking low-cost carriers to China for sightseeing. With international oil prices and regional economy issues, full-service carriers face considerable operational pressure on cost and competition. This study used the fuzzy delphi and decision making trial and evaluation laboratory methods to explore and analyze key factors for passengers choosing low-cost airlines. We considered passengers using U Airlines to travel from Shanghai to Taiwan (Taoyuan, Kaohsiung Far) and investigated service quality, low-price strategies, switching costs, and boarding willingness factors. We found that boarding willingness and service quality were strongly relevant to passenger satisfaction. Service quality should be prioritized, followed by switching cost, to enhance passenger boarding willingness. Low-cost regional airlines need to prioritize improving service quality empathy and service quality responsiveness with limited resources. Performance indicators such as willingness, service quality assurance, and service quality reliability showed significant benefits for overall service performance and passenger boarding willingness.

ACS Style

Enhou Zu; Shao-Yu Liu; Bi-Min Hsu; Yu-Cheng Wang; Edwin M. Lau. An Analysis of the Success Factors for Passenger Boarding Enthusiasm for Low-Cost Regional Airline Routes. Sustainability 2020, 12, 6600 .

AMA Style

Enhou Zu, Shao-Yu Liu, Bi-Min Hsu, Yu-Cheng Wang, Edwin M. Lau. An Analysis of the Success Factors for Passenger Boarding Enthusiasm for Low-Cost Regional Airline Routes. Sustainability. 2020; 12 (16):6600.

Chicago/Turabian Style

Enhou Zu; Shao-Yu Liu; Bi-Min Hsu; Yu-Cheng Wang; Edwin M. Lau. 2020. "An Analysis of the Success Factors for Passenger Boarding Enthusiasm for Low-Cost Regional Airline Routes." Sustainability 12, no. 16: 6600.

Journal article
Published: 30 June 2020 in Symmetry
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Assistive braille technology has existed for many years with the purpose of aiding the blind in performing common tasks such as reading, writing, and communicating with others. Such technologies are aimed towards helping those who are visually impaired to better adapt to the visual world. However, an obvious gap exists in current technology when it comes to symmetric two-way communication between the blind and non-blind, as little technology allows non-blind individuals to understand the braille system. This research presents a novel approach to convert images of braille into English text by employing a convolutional neural network (CNN) model and a ratio character segmentation algorithm (RCSA). Further, a new dataset was constructed, containing a total of 26,724 labeled braille images, which consists of 37 braille symbols that correspond to 71 different English characters, including the alphabet, punctuation, and numbers. The performance of the CNN model yielded a prediction accuracy of 98.73% on the test set. The functionality performance of this artificial intelligence (AI) based recognition system could be tested through accessible user interfaces in the future.

ACS Style

Bi-Min Hsu. Braille Recognition for Reducing Asymmetric Communication between the Blind and Non-Blind. Symmetry 2020, 12, 1069 .

AMA Style

Bi-Min Hsu. Braille Recognition for Reducing Asymmetric Communication between the Blind and Non-Blind. Symmetry. 2020; 12 (7):1069.

Chicago/Turabian Style

Bi-Min Hsu. 2020. "Braille Recognition for Reducing Asymmetric Communication between the Blind and Non-Blind." Symmetry 12, no. 7: 1069.

Journal article
Published: 27 June 2020 in Computer Communications
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The Internet of Things is a highly integrated and integrated application of information technology that can better meet the needs of people’s development. With the popularity of the Internet of Things, the number of Internet of Things devices has increased, and the communication between devices and devices has become more complicated. Because the Internet of Things has some common problems with the Internet, a more effective, secure and trusted IoT platform has become the focus of many research scholars. Blockchain, as a decentralized, non-tamperable and highly credible technology, fits well with the development trend of networking. Identity authentication is an important part of the service architecture and can effectively solve the security in the Internet of Things. Hidden dangers. Therefore, in view of the low efficiency and lack of security in the traditional IoT server architecture, this paper proposes a blockchain-based networked identity authentication system. Firstly, according to the characteristics of the blockchain, the key technologies of the blockchain are briefly explained. Then, the overall design scheme design, the user end system design and the equipment end system design of the identity authentication system. Finally, the experimental platform is built, and the functional testing of the blockchain platform, device and client is carried out respectively The throughput of the system is obtained by the block rate and the outbound time of the blockchain under the condition of the privacy blockchain. The memory usage and the corresponding traffic consumption during the process of creating the wallet and data upload are analyzed to verify the stability of the system and to verify the rationality of the IoT identity authentication system based on the blockchain.

ACS Style

Jui-Chan Huang; Ming-Hung Shu; Bi-Min Hsu; Chien-Ming Hu. Service architecture of IoT terminal connection based on blockchain identity authentication system. Computer Communications 2020, 160, 411 -422.

AMA Style

Jui-Chan Huang, Ming-Hung Shu, Bi-Min Hsu, Chien-Ming Hu. Service architecture of IoT terminal connection based on blockchain identity authentication system. Computer Communications. 2020; 160 ():411-422.

Chicago/Turabian Style

Jui-Chan Huang; Ming-Hung Shu; Bi-Min Hsu; Chien-Ming Hu. 2020. "Service architecture of IoT terminal connection based on blockchain identity authentication system." Computer Communications 160, no. : 411-422.

Journal article
Published: 06 June 2020 in Computers & Industrial Engineering
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Acceptance sampling plan establishes a required sample size for lot inspection and decisive capability criteria for lot dispositions. The multiple-lot dependent state (MDS) and the generalized MDS (GMDS) plans have been recently developed for operating capability-qualified compliance testing of a process with a one-sided specification in continuous submissions. However, both lot-dependent plans are incapable for sustaining a long-lasting supplier-buyer relationship. The MDS plan’s benefits deteriorate as the number of deliberated anteceding lot-sentencing outcomes increases; the GMDS plan may suffer a schematic problem in some cases where the current lot having marginal capability will be accepted with an inferior capability history. To remedy those shortcomings, an adjustable MDS (AMDS) sampling plan on qualifying the process capability with a one-sided specification is constructed. This AMDS plan not only allows more backtracking lots encompassed in the lot-disposition decision but also substantially improves the inspection efficiency regarding the required sample size and lot-discriminatory power. More importantly, the plan, operating for the long-run inspection, exhibits a consistent upward-trend phenomenon for the required acceptance-capability standard, which firmly advocates the sustainability of business whose suppliers show continuous improvement of process capability. Finally, the industrial applicability of AMDS is illustrated in a case study.

ACS Style

Bi-Min Hsu; To-Cheng Wang; Ming-Hung Shu. Lot-dependent sampling plans for qualifying long-term production capability with a one-sided specification. Computers & Industrial Engineering 2020, 146, 106583 .

AMA Style

Bi-Min Hsu, To-Cheng Wang, Ming-Hung Shu. Lot-dependent sampling plans for qualifying long-term production capability with a one-sided specification. Computers & Industrial Engineering. 2020; 146 ():106583.

Chicago/Turabian Style

Bi-Min Hsu; To-Cheng Wang; Ming-Hung Shu. 2020. "Lot-dependent sampling plans for qualifying long-term production capability with a one-sided specification." Computers & Industrial Engineering 146, no. : 106583.

Journal article
Published: 24 May 2020 in Mathematics
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Text classification is an essential aspect in many applications, such as spam detection and sentiment analysis. With the growing number of textual documents and datasets generated through social media and news articles, an increasing number of machine learning methods are required for accurate textual classification. For this paper, a comprehensive evaluation of the performance of multiple supervised learning models, such as logistic regression (LR), decision trees (DT), support vector machine (SVM), AdaBoost (AB), random forest (RF), multinomial naive Bayes (NB), multilayer perceptrons (MLP), and gradient boosting (GB), was conducted to assess the efficiency and robustness, as well as limitations, of these models on the classification of textual data. SVM, LR, and MLP had better performance in general, with SVM being the best, while DT and AB had much lower accuracies amongst all the tested models. Further exploration on the use of different SVM kernels was performed, demonstrating the advantage of using linear kernels over polynomial, sigmoid, and radial basis function kernels for text classification. The effects of removing stop words on model performance was also investigated; DT performed better with stop words removed, while all other models were relatively unaffected by the presence or absence of stop words.

ACS Style

Bi-Min Hsu. Comparison of Supervised Classification Models on Textual Data. Mathematics 2020, 8, 851 .

AMA Style

Bi-Min Hsu. Comparison of Supervised Classification Models on Textual Data. Mathematics. 2020; 8 (5):851.

Chicago/Turabian Style

Bi-Min Hsu. 2020. "Comparison of Supervised Classification Models on Textual Data." Mathematics 8, no. 5: 851.

Conference paper
Published: 28 August 2018 in Advances in Intelligent Systems and Computing
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The purpose of this study is to gauge the impact of volatility risk on TAIEX Option return using regression models for analyzing 12-month cross-sectional option data. Our empirical results indicate that disparate volatility-risk factors have considerable effects on abnormal returns, and expect to create risk premium; specifically, the market risk premium, policy rewards, and fear index can lessen the return of 7.806%, 6.336%, and 1.294% per year, respectively.

ACS Style

Jui-Chan Huang; Wen-I Hsiao; Jung-Fang Chen; Ming-Hung Shu; Thanh-Lam Nguyen; Bi-Min Hsu. Impact of Volatility Risk on the TAIEX Option Return. Advances in Intelligent Systems and Computing 2018, 101 -110.

AMA Style

Jui-Chan Huang, Wen-I Hsiao, Jung-Fang Chen, Ming-Hung Shu, Thanh-Lam Nguyen, Bi-Min Hsu. Impact of Volatility Risk on the TAIEX Option Return. Advances in Intelligent Systems and Computing. 2018; ():101-110.

Chicago/Turabian Style

Jui-Chan Huang; Wen-I Hsiao; Jung-Fang Chen; Ming-Hung Shu; Thanh-Lam Nguyen; Bi-Min Hsu. 2018. "Impact of Volatility Risk on the TAIEX Option Return." Advances in Intelligent Systems and Computing , no. : 101-110.

Journal article
Published: 12 July 2017 in Symmetry
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The inevitability of measurement errors and/or humans of subjectivity in data collection processes make accumulated data imprecise, and are thus called fuzzy data. To adapt to this fuzzy domain in a manufacturing process, a traditional u control chart for monitoring the average number of nonconformities per unit is required to extend. In this paper, we first generalize the u chart, named fuzzy u-chart, whose control limits are built on the basis of resolution identity, which is a well-known fuzzy set theory. Then, an approach to fuzzy-logic reasoning, incorporating the decision-maker’s varying levels of optimism towards the online process, is proposed to categorize the manufacturing conditions. In addition, we further develop a condition-based classification mechanism, where the process conditions can be discriminated into intermittent states between in-control and out-of-control. As anomalous conditions are monitored to some extent, this condition-based classification mechanism can provide the critical information to deliberate the cost of process intervention with respect to the gain of quality improvement. Finally, the proposed fuzzy u-chart is implemented in the Vietnam textile dyeing industry to replace its conventional u-chart. The results demonstrate that the industry can effectively evade unnecessary adjustments to its current processes; thus, the industry can substantially reduce its operational cost and potential loss.

ACS Style

Kim-Phung Truong; Ming-Hung Shu; Thanh-Lam Nguyen; Bi-Min Hsu. The Fuzzy u-Chart for Sustainable Manufacturing in the Vietnam Textile Dyeing Industry. Symmetry 2017, 9, 116 .

AMA Style

Kim-Phung Truong, Ming-Hung Shu, Thanh-Lam Nguyen, Bi-Min Hsu. The Fuzzy u-Chart for Sustainable Manufacturing in the Vietnam Textile Dyeing Industry. Symmetry. 2017; 9 (7):116.

Chicago/Turabian Style

Kim-Phung Truong; Ming-Hung Shu; Thanh-Lam Nguyen; Bi-Min Hsu. 2017. "The Fuzzy u-Chart for Sustainable Manufacturing in the Vietnam Textile Dyeing Industry." Symmetry 9, no. 7: 116.

Research article
Published: 30 April 2017 in Complexity
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For sequentially monitoring and controlling average and variability of an online manufacturing process, x¯ and s control charts are widely utilized tools, whose constructions require the data to be real (precise) numbers. However, many quality characteristics in practice, such as surface roughness of optical lenses, have been long recorded as fuzzy data, in which the traditional x¯ and s charts have manifested some inaccessibility. Therefore, for well accommodating this fuzzy-data domain, this paper integrates fuzzy set theories to establish the fuzzy charts under a general variable-sample-size condition. First, the resolution-identity principle is exerted to erect the sample-statistics’ and control-limits’ fuzzy numbers (SSFNs and CLFNs), where the sample fuzzy data are unified and aggregated through statistical and nonlinear-programming manipulations. Then, the fuzzy-number ranking approach based on left and right integral index is brought to differentiate magnitude of fuzzy numbers and compare SSFNs and CLFNs pairwise. Thirdly, the fuzzy-logic alike reasoning is enacted to categorize process conditions with intermittent classifications between in control and out of control. Finally, a realistic example to control surface roughness on the turning process in producing optical lenses is illustrated to demonstrate their data-adaptability and human-acceptance of those integrated methodologies under fuzzy-data environments.

ACS Style

Ming-Hung Shu; Dinh-Chien Dang; Thanh-Lam Nguyen; Bi-Min Hsu; Ngoc-Son Phan. Fuzzy x- and s Control Charts: A Data-Adaptability and Human-Acceptance Approach. Complexity 2017, 2017, 1 -17.

AMA Style

Ming-Hung Shu, Dinh-Chien Dang, Thanh-Lam Nguyen, Bi-Min Hsu, Ngoc-Son Phan. Fuzzy x- and s Control Charts: A Data-Adaptability and Human-Acceptance Approach. Complexity. 2017; 2017 ():1-17.

Chicago/Turabian Style

Ming-Hung Shu; Dinh-Chien Dang; Thanh-Lam Nguyen; Bi-Min Hsu; Ngoc-Son Phan. 2017. "Fuzzy x- and s Control Charts: A Data-Adaptability and Human-Acceptance Approach." Complexity 2017, no. : 1-17.

Journal article
Published: 01 January 2017 in Asian Journal of Research in Business Economics and Management
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As world population climbs, the number of countries suffering food shortages and starvation of inhabitants has substantially increased. While rice demand from Vietnam grows considerably, her export competition faces more intense than ever on international rice markets, where Thailand and Indiaare the traditional competitors and Cambodia, Myanmar and Unite States are new entrants. To cope with the escalating competition from those countries, it is imperative that Vietnam conducts system reforms for the rice transport to ensure her persistent competitive advantages and safety in the international market. Therefore, this research focuses on construction of the fundamental criteriafor the Vietnamese rice transport systems in Mekong Delta area. Based on the export data analysis, evaluation, selection, and prediction procedures, we build an optimal transport model to lower the rice price, reduce the transport costs, as well as enhance the export efficiency. The result shows that this model can significantly benefit the Vietnamese rice export over the period of 2020–2030. Top

ACS Style

Kim-Phung Truong; Ming-Hung Shu; Bi-Min Hsu; Thi-Lien Nguyen; Van-Cuong Pham; Tru-Phi Vu. Evaluating and selecting the Fundemental Criteria to Construct the Exported Rice Transport System of South Vietnam in 2020–2030. Asian Journal of Research in Business Economics and Management 2017, 7, 19 .

AMA Style

Kim-Phung Truong, Ming-Hung Shu, Bi-Min Hsu, Thi-Lien Nguyen, Van-Cuong Pham, Tru-Phi Vu. Evaluating and selecting the Fundemental Criteria to Construct the Exported Rice Transport System of South Vietnam in 2020–2030. Asian Journal of Research in Business Economics and Management. 2017; 7 (5):19.

Chicago/Turabian Style

Kim-Phung Truong; Ming-Hung Shu; Bi-Min Hsu; Thi-Lien Nguyen; Van-Cuong Pham; Tru-Phi Vu. 2017. "Evaluating and selecting the Fundemental Criteria to Construct the Exported Rice Transport System of South Vietnam in 2020–2030." Asian Journal of Research in Business Economics and Management 7, no. 5: 19.

Journal article
Published: 01 January 2017 in Asian Journal of Research in Business Economics and Management
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As world population climbs, the number of countries suffering food shortages and starvation of inhabitants has substantially increased. While rice demand from Vietnam grows considerably, her export competition faces more intense than ever on international rice markets, where Thailand and Indiaare the traditional competitors and Cambodia, Myanmar and Unite States are new entrants. To cope with the escalating competition from those countries, it is imperative that Vietnam conducts system reforms for the rice transport to ensure her persistent competitive advantages and safety in the international market. Therefore, this research focuses on construction of the fundamental criteriafor the Vietnamese rice transport systems in Mekong Delta area. Based on the export data analysis, evaluation, selection, and prediction procedures, we build an optimal transport model to lower the rice price, reduce the transport costs, as well as enhance the export efficiency. The result shows that this model can significantly benefit the Vietnamese rice export over the period of 2020–2030. Top

ACS Style

Kim-Phung Truong; Ming-Hung Shu; Bi-Min Hsu; Thi-Lien Nguyen; Van-Cuong Pham; Tru-Phi Vu. Evaluating and selecting the Fundamental Criteria to Construct the Exported Rice Transport System of South Vietnam in 2020–2030. Asian Journal of Research in Business Economics and Management 2017, 7, 276 .

AMA Style

Kim-Phung Truong, Ming-Hung Shu, Bi-Min Hsu, Thi-Lien Nguyen, Van-Cuong Pham, Tru-Phi Vu. Evaluating and selecting the Fundamental Criteria to Construct the Exported Rice Transport System of South Vietnam in 2020–2030. Asian Journal of Research in Business Economics and Management. 2017; 7 (5):276.

Chicago/Turabian Style

Kim-Phung Truong; Ming-Hung Shu; Bi-Min Hsu; Thi-Lien Nguyen; Van-Cuong Pham; Tru-Phi Vu. 2017. "Evaluating and selecting the Fundamental Criteria to Construct the Exported Rice Transport System of South Vietnam in 2020–2030." Asian Journal of Research in Business Economics and Management 7, no. 5: 276.

Journal article
Published: 13 September 2016 in Sustainability
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Failure modes and effects analysis (FMEA) substantially facilitates the efforts of industrial manufacturers in prioritizing failures that require corrective actions to continuously improve product quality. However, the conventional approach fails to provide satisfactory explanation of the aggregate effects of a failure from different perspectives such as technical severity, economic severity, and production capacity in some practical applications. To fulfill the existing gap in the FMEA literature, this paper proposes an extension by considering associated quality cost and the capability of failure detection system as additional determinants to signify the priority level for each failure mode. The quality cost and capacity are considered as key factors for sustainable survival and development of an industrial manufacturer in the fierce competition market these days. The performance of the extended scheme was tested in an empirical case at a non-woven fabrics manufacturer. Analytical results indicate that the proposed approach outperforms the traditional one and remarkably reduces the percentage of defective fabrics from about 2.41% before the trial period to 1.13%,thus significantly reducing wastes and increasing operation efficiency, thereby providing valuable advantages to improve organizational competition power for their sustainable growth.

ACS Style

Thanh-Lam Nguyen; Ming-Hung Shu; Bi-Min Hsu. Extended FMEA for Sustainable Manufacturing: An Empirical Study in the Non-Woven Fabrics Industry. Sustainability 2016, 8, 939 .

AMA Style

Thanh-Lam Nguyen, Ming-Hung Shu, Bi-Min Hsu. Extended FMEA for Sustainable Manufacturing: An Empirical Study in the Non-Woven Fabrics Industry. Sustainability. 2016; 8 (9):939.

Chicago/Turabian Style

Thanh-Lam Nguyen; Ming-Hung Shu; Bi-Min Hsu. 2016. "Extended FMEA for Sustainable Manufacturing: An Empirical Study in the Non-Woven Fabrics Industry." Sustainability 8, no. 9: 939.

Journal article
Published: 01 March 2014 in Expert Systems with Applications
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ACS Style

Ming-Hung Shu; Thanh-Lam Nguyen; Bi-Min Hsu. Fuzzy MaxGWMA chart for identifying abnormal variations of on-line manufacturing processes with imprecise information. Expert Systems with Applications 2014, 41, 1342 -1356.

AMA Style

Ming-Hung Shu, Thanh-Lam Nguyen, Bi-Min Hsu. Fuzzy MaxGWMA chart for identifying abnormal variations of on-line manufacturing processes with imprecise information. Expert Systems with Applications. 2014; 41 (4):1342-1356.

Chicago/Turabian Style

Ming-Hung Shu; Thanh-Lam Nguyen; Bi-Min Hsu. 2014. "Fuzzy MaxGWMA chart for identifying abnormal variations of on-line manufacturing processes with imprecise information." Expert Systems with Applications 41, no. 4: 1342-1356.

Journal article
Published: 01 February 2014 in Applied Mechanics and Materials
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The hemispherical surface has been widely implicated in design of products. Its precise roundness, a key quality characteristic of smaller-the-better, highly depends on the milling quality of the hemispherical mold. In this paper, we study the optimal machining parameters for the roundness of the hemispherical mold processed by the five-axis NC milling machine with a rotatable-tilting table. Four machining parameters, tool’s tilt angle, surface-cutting speed, feeding per tooth, and depth in axial cutting, are considered with their three varied levels selected on the basis of the onsite professional knowledge acquired from weighing the effect of tool interference and the milling capability of machine tools. The material NAK80, one type of plastic mold steels, possessing excellent resistance and dimensional stability is used as experimental test specimens. The experimental results conclude that the optimal measurements of roundness for the concave and the convex hemispherical molds are 0.022 mm and 0.026 mm, respectively.

ACS Style

Jen Bing Ou; Pei Yi Hao; Ming Hung Shu; Bi Min Hsu; Jen Hsin Ou. Parameters Optimization for Roundness of Hemispherical Surface Milling. Applied Mechanics and Materials 2014, 532, 558 -561.

AMA Style

Jen Bing Ou, Pei Yi Hao, Ming Hung Shu, Bi Min Hsu, Jen Hsin Ou. Parameters Optimization for Roundness of Hemispherical Surface Milling. Applied Mechanics and Materials. 2014; 532 ():558-561.

Chicago/Turabian Style

Jen Bing Ou; Pei Yi Hao; Ming Hung Shu; Bi Min Hsu; Jen Hsin Ou. 2014. "Parameters Optimization for Roundness of Hemispherical Surface Milling." Applied Mechanics and Materials 532, no. : 558-561.

Journal article
Published: 01 December 2013 in Applied Mechanics and Materials
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This research focuses on the adoption of the six-sigma DMAIC methodology to acquire the optimal combination parameters of sulfur free-cutting steel processes, thus achieving a stable production and reducing costs. The key point to sulfur free-cutting steels production is managing critical variables among the process input and output. In this paper, based on the systematic steps of the six sigma, experimental designs, and quality-related control methods, the optimal variables for the sulfur free-cutting steels refining process are obtained. This success has achieved the average decline in consumption of ferromanganese up to 12% along with annual savings of more than NT$15 million in production costs for the China Steel Corporation in Taiwan.

ACS Style

Ming Hung Shu; Peng Jen Chen; Bi Min Hsu; Thanh Lam Nguyen; Jun Hsien Yeh; Thanh Hien Lam; Tsun Ho Lin. Optimization of Sulfur-Free-Cutting Steelmaking Variables: Six Sigma-Based Approaches. Applied Mechanics and Materials 2013, 470, 425 -428.

AMA Style

Ming Hung Shu, Peng Jen Chen, Bi Min Hsu, Thanh Lam Nguyen, Jun Hsien Yeh, Thanh Hien Lam, Tsun Ho Lin. Optimization of Sulfur-Free-Cutting Steelmaking Variables: Six Sigma-Based Approaches. Applied Mechanics and Materials. 2013; 470 ():425-428.

Chicago/Turabian Style

Ming Hung Shu; Peng Jen Chen; Bi Min Hsu; Thanh Lam Nguyen; Jun Hsien Yeh; Thanh Hien Lam; Tsun Ho Lin. 2013. "Optimization of Sulfur-Free-Cutting Steelmaking Variables: Six Sigma-Based Approaches." Applied Mechanics and Materials 470, no. : 425-428.

Journal article
Published: 01 December 2013 in Applied Mechanics and Materials
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To monitor manufacturing processes with the inevitable fuzzy (imprecise) information, several extensions of the traditional Shewhart-type control charts have been proposed over the past few years. Among them, fuzzy and s charts have been recently developed with certain categorization rules which can discriminate conditions of a manufacturing process into four consequences, including in-control, rather in-control, rather out-of-control and out-of-control. However, weakness of the fuzzy-number evaluation for the classification rules has been found. Thus, in this paper, an improved fuzzy-number ranking approach for the fuzzy charts is proposed to provide more sufficient and justified classification results for monitoring the online manufacturing processes.

ACS Style

Ming Hung Shu; Jui Chan Huang; Thanh Lam Nguyen; Bi Min Hsu; Thanh Hien Lam. Evaluating Manufacturing Processes with a Novel Approach of Making Fuzzy Judgement. Applied Mechanics and Materials 2013, 470, 416 -419.

AMA Style

Ming Hung Shu, Jui Chan Huang, Thanh Lam Nguyen, Bi Min Hsu, Thanh Hien Lam. Evaluating Manufacturing Processes with a Novel Approach of Making Fuzzy Judgement. Applied Mechanics and Materials. 2013; 470 ():416-419.

Chicago/Turabian Style

Ming Hung Shu; Jui Chan Huang; Thanh Lam Nguyen; Bi Min Hsu; Thanh Hien Lam. 2013. "Evaluating Manufacturing Processes with a Novel Approach of Making Fuzzy Judgement." Applied Mechanics and Materials 470, no. : 416-419.

Journal article
Published: 01 August 2013 in Applied Mechanics and Materials
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So as to monitor and detect small shifts in the mean and variability of a manufacturing process, exponentially weighted moving average (EWMA) control charts are widely employed. Some of its extensions have been proposed to improve its performance. Among them, the Maximum generally weighted moving average (MaxGWMA) control chart is found as the superior. In the industry of coating pharmaceutical tablets, controlling the thickness of the coating layer containing active pharmaceutical ingredients is of great importance and in order to keep track on the coating quality, various methods using modern technologies have been proposed. However, decision support systems on the status of the coating process are not fully developed. Hence, in this study, MaxGWMA control chart was proposed to monitor the coating thickness of the tablets so that any small shift in the coating process can be quickly detected and further corrective actions can be implemented to make the process in control.

ACS Style

Thanh Lam Nguyen; Ming Hung Shu; Bi Min Hsu. Monitoring the Coating Thickness of Pharmaceutical Tablets with MaxGWMA Control Chart. Applied Mechanics and Materials 2013, 372, 325 -330.

AMA Style

Thanh Lam Nguyen, Ming Hung Shu, Bi Min Hsu. Monitoring the Coating Thickness of Pharmaceutical Tablets with MaxGWMA Control Chart. Applied Mechanics and Materials. 2013; 372 ():325-330.

Chicago/Turabian Style

Thanh Lam Nguyen; Ming Hung Shu; Bi Min Hsu. 2013. "Monitoring the Coating Thickness of Pharmaceutical Tablets with MaxGWMA Control Chart." Applied Mechanics and Materials 372, no. : 325-330.

Articles
Published: 24 July 2013 in International Journal of Production Research
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In this paper, we consider the problem of using empirical continuous-state wear data of machine tools to estimate the dynamic lifetime distribution and to measure the performance of a machining process subject to stochastic tool-wear evolution. Machining systems are dynamic processes whose performance variable is usually characterised by the amount of tool wear that advances gradually with a continuous range of values. To accurately capture the performance of these continuous-state wear processes, neither traditional models such as the binary-state models nor multi-state models are suitable. In this paper, an exponential mixed-effects (EME) model is first developed. The EME model is subsequently transformed into a linear mixed-effects (LME) model to enhance the fit and predictability of the wear process data. The LME models take into consideration the correlations among repeated wear measurements collected at different time points within each subject. We then implement the expectation-maximisation (EM) algorithm to obtain the full maximum likelihood estimates (MLEs) of the parameters of the LME models whose asymptotic normal distributions can be used to acquire approximate confidence intervals and a testing hypothesis for the parameters. In addition, to measure the dynamic performance of tools, the amount of wear over time estimated from LME models is compared with a given tool-failure threshold. Consequently, we obtain the reliability of the tool and the estimation of its residual-lifetime distribution, which is critical information for the tool replacement or maintenance strategy. Finally, the lower and upper wear prediction limits of the 95% confidence level are presented. A practical application of the proposed methodology is illustrated throughout the paper.

ACS Style

Bi-Min Hsu; Ming-Hung Shu; Lang Wu. Dynamic performance modelling and measuring for machine tools with continuous-state wear processes. International Journal of Production Research 2013, 51, 4718 -4731.

AMA Style

Bi-Min Hsu, Ming-Hung Shu, Lang Wu. Dynamic performance modelling and measuring for machine tools with continuous-state wear processes. International Journal of Production Research. 2013; 51 (15):4718-4731.

Chicago/Turabian Style

Bi-Min Hsu; Ming-Hung Shu; Lang Wu. 2013. "Dynamic performance modelling and measuring for machine tools with continuous-state wear processes." International Journal of Production Research 51, no. 15: 4718-4731.