Wael Mohammed

Mr. Wael Mohammed


Research Focus & Metrics

Academic Career Length

11Years (2016-Present)

(Calculated once Scilit publication data is synced: current year − year of first publication + 1)

Representative Publications

View All Publications
23 June 2020 in Cogent Business & Management
Verified
Journal Article
Open access
Krzysztof EjsmontKrzysztof Ejsmont
Krzysztof Ejsmont
BGBartlomiej Gladysz
Bartlomiej Gladysz
DCDonatella Corti
Donatella Corti
FRFernando Castano Romero
Fernando Castano Romero
WMWael Mohammed
Wael Mohammed
Jose L. Martinez LastraJose L. Martinez Lastra
Jose L. Martinez Lastra
The enterprises to be competitive are constantly looking for continuous increase of productivity, quality and level of services. With the development of Industry 4.0 concept, manufacturers are more confident about new advantages of automation and systems integration. Lean management is well developed and empirically proven effective managerial approach. Combining Lean and Industry 4.0 practices seems to be necessary evolutionary step for further raise the level of operational excellence (exploitation of finance, workload, materials, machines/devices). There is an increasing number of Industry 4.0 solutions used to reduce waste (as known from Lean Management). Therefore, the main objective of this article aims at presenting the results of a literature review on the concept of ‘Lean Industry 4.0’. Dynamic methodology called ‘Systematic Literature Network Analysis (SLNA)’ was used. It combines the Systematic Literature Review approach with the quantitative analysis of bibliographic networks to detect emerging topics and the dynamic evolution of the topics. The paper is a comprehensive systematization and rationalization of knowledge about the integration of LM and I4.0 concepts, identifies the most important research trends and defines directions for future research. The article contains a framework that presents the current state of knowledge in the area of Lean Industry 4.0. Keywords: bibliometrics, Industry 4.0, lean management, lean manufacturing, systematic literature network analysis

10 March 2016 in Proceedings of the IEEE
Verified
Journal Article
Open access
SISergii Iarovyi
Sergii Iarovyi
WMWael Mohammed
Wael Mohammed
ALAndrei Lobov
Andrei Lobov
BFBorja Ramis Ferrer
Borja Ramis Ferrer
Jose L. Martinez LastraJose L. Martinez Lastra
Jose L. Martinez Lastra
Manufacturing execution systems play an important role of bridging high-level enterprise functions and production or manufacturing operations. The embedded systems are usually in charge of controlling execution of the operations. Modern embedded systems have become capable of simultaneous and deterministic execution of control algorithms and IP-based communication, making it possible to create complex cyber-physical systems (CPSs), where the computational and communication resources of a device can be used directly for various control, supervisory, or monitoring functions. The complexity for defining open-knowledge-driven manufacturing execution system (OKD-MES) is in maintaining awareness of overall system state to avoid disruptive actions as various functions may be requested from a system. The problem is that obtaining such information on system state may necessitate collecting data from a number of devices, as there may not be a single data point for state information. This paper describes and illustrates an approach for designing OKD-MES on top of CPSs that controls robot workstations and conveyor-based transportation system of a pallet-based production system.

6 July 2021 in Sensors
Verified
Journal Article
Open access
PDF file
Aitor Toichoa EyamAitor Toichoa Eyam
Aitor Toichoa Eyam
WMWael Mohammed
Wael Mohammed
Jose L. Martinez LastraJose L. Martinez Lastra
Jose L. Martinez Lastra
The utilization of robotic systems has been increasing in the last decade. This increase has been derived by the evolvement in the computational capabilities, communication systems, and the information systems of the manufacturing systems which is reflected in the concept of Industry 4.0. Furthermore, the robotics systems are continuously required to address new challenges in the industrial and manufacturing domain, like keeping humans in the loop, among other challenges. Briefly, the keeping humans in the loop concept focuses on closing the gap between humans and machines by introducing a safe and trustworthy environment for the human workers to work side by side with robots and machines. It aims at increasing the engagement of the human as the automation level increases rather than replacing the human, which can be nearly impossible in some applications. Consequently, the collaborative robots (Cobots) have been created to allow physical interaction with the human worker. However, these cobots still lack of recognizing the human emotional state. In this regard, this paper presents an approach for adapting cobot parameters to the emotional state of the human worker. The approach utilizes the Electroencephalography (EEG) technology for digitizing and understanding the human emotional state. Afterwards, the parameters of the cobot are instantly adjusted to keep the human emotional state in a desirable range which increases the confidence and the trust between the human and the cobot. In addition, the paper includes a review on technologies and methods for emotional sensing and recognition. Finally, this approach is tested on an ABB YuMi cobot with commercially available EEG headset.

1 September 2018 in Machines
Verified
Journal Article
Open access
PDF file
BFBorja Ramis Ferrer
Borja Ramis Ferrer
UMUsman Muhammad
Usman Muhammad
WMWael Mohammed
Wael Mohammed
Jose L. Martinez LastraJose L. Martinez Lastra
Jose L. Martinez Lastra
The employment of tools and techniques for monitoring and supervising the performance of industrial systems has become essential for enterprises that seek to be more competitive in today’s market. The main reason is the need for validating tasks that are executed by systems, such as industrial machines, which are involved in production processes. The early detection of malfunctions and/or improvable system values permits the anticipation to critical issues that may delay or even disallow productivity. Advances on Information and Communication Technologies (ICT)-based technologies allows the collection of data on system runtime. In fact, the data is not only collected but formatted and integrated in computer nodes. Then, the formatted data can be further processed and analyzed. This article focuses on the utilization of standard Key Performance Indicators (KPIs), which are a set of parameters that permit the evaluation of the performance of systems. More precisely, the presented research work demonstrates the implementation and visualization of a set of KPIs defined in the ISO 22400 standard-Automation systems and integration, for manufacturing operations management. The approach is validated within a discrete manufacturing web-based interface that is currently used for monitoring and controlling an assembly line at runtime. The selected ISO 22400 KPIs are described within an ontology, which the description is done according to the data models included in the KPI Markup Language (KPIML), which is an XML implementation developed by the Manufacturing Enterprise Solutions Association (MESA) international organization.

1 July 2019
Verified
Conference Paper
Closed access
RBRonal Bejarano
Ronal Bejarano
BFBorja Ramis Ferrer
Borja Ramis Ferrer
WMWael Mohammed
Wael Mohammed
Jose L. Martinez LastraJose L. Martinez Lastra
Jose L. Martinez Lastra
Over the last decades, the Industrial Automation domain has exhibited an exponential growth of robots’ deployment at factory shop floors. The main objective is to increase efficiency and productivity at a reasonable cost, which is lowered thanks to the robot lifespan. But not all the manual tasks, the tasks requiring high-level of dexterity, are yet replaced by robots. In fact, Europe is moving towards the creation of efficient workspaces where both robots and human operators can work safely. In this context, there is a clear intention of achieving solutions that involve collaborative robots, a.k.a. "cobots" or co-robots, for permitting a safe interaction between robots and humans working for the same or interrelated processes. Many manufactures started to present their products but those arrived before the industry have clear and several needs of this particular technology. This article presents a human-robot collaborative assembly workstation, composed by the ABB YuMi robot that interacts with a human operation in order to assembly a product box, as a part of a large-scale process. Assembly process, workstation design, implementation and its validation are illustrated. Then, this paper aims to summarize advantages and challenges of implementing cobots by exemplifying a real scenario of collaborative interaction between a cobot and a human operator, feasible to implement at any industrial facility.

24 November 2017 in International Journal of Computer Integrated Manufacturing
Verified
Journal Article
Closed access
WMWael Mohammed
Wael Mohammed
BFBorja Ramis Ferrer
Borja Ramis Ferrer
SISergii Iarovyi
Sergii Iarovyi
Elisa NegriElisa Negri
Elisa Negri
LFLuca Fumagalli
Luca Fumagalli
Jose L. Martinez LastraJose L. Martinez Lastra
Jose L. Martinez Lastra
Information technologies grow rapidly nowadays with the advance and extension of computing capabilities. This growth affects several fields, which consume these technologies. Industrial Automation is not an exception. This publication describes a general and flexible architecture for implementing Manufacturing Execution System (MES) function, which can be deployed in multiple industrial cases. These features are achieved by combining the flexibility of knowledge-driven systems with the vendor-independent property of RESTful web services. With deployment of this solution, MES functions may gain more versatility and independency. This research work is a continuation of the development of the OKD-MES (Open Knowledge-Driven Manufacturing Execution System) framework during the execution of the eScop project. The OKD-MES framework consists on a semantic-based solution for controlling and enhancing the flexibility and re-configurability of MES. In such scope, this research presents MES functions architecture that might be implemented in the OKD-MES framework in order to increase the flexibility of event-driven manufacturing systems.