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G. Sepúlveda-Cervantes
Centro de Innovación y Desarrollo Tecnológico en Cómputo, Instituto Politécnico Nacional, Ciudad de México 07700, Mexico

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Journal article
Published: 03 April 2021 in Sensors
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Deaths due to heart diseases are a leading cause of death in Mexico. Cardiovascular diseases are considered a public health problem because they produce cardiorespiratory arrests. During an arrest, cardiac and/or respiratory activity stops. A cardiorespiratory arrest is rapidly fatal without a quick and efficient intervention. As a response to this problem, the VirtualCPR system was designed in the present work. VirtualCPR is a mobile virtual reality application to support learning and practicing of basic techniques of cardiopulmonary resuscitation (CPR) for experts or non-experts in CPR. VirtualCPR implements an interactive virtual scenario with the user, which is visible by means of employment of virtual reality lenses. User’s interactions, with our proposal, are by a portable force sensor for integration with training mannequins, whose development is based on an application for the Android platform. Furthermore, this proposal integrates medical knowledge in first aid, related to the basic CPR for adults using only the hands, as well as technological knowledge, related to development of simulations on a mobile virtual reality platform by three main processes: (i) force measurement and conversion, (ii) data transmission and (iii) simulation of a virtual scenario. An experiment by means of a multifactorial analysis of variance was designed considering four factors for a CPR session: (i) previous training in CPR, (ii) frequency of compressions, (iii) presence of auditory suggestions and (iv) presence of color indicator. Our findings point out that the more previous training in CPR a user of the VirtualCPR system has, the greater the percentage of correct compressions obtained from a virtual CPR session. Setting the rate to 100 or 150 compressions per minute, turning on or off the auditory suggestions and turning the color indicator on or off during the session have no significant effect on the results obtained by the user.

ACS Style

Francisco García Fierros; Jesús Moreno Escobar; Gabriel Sepúlveda Cervantes; Oswaldo Morales Matamoros; Ricardo Tejeida Padilla. VirtualCPR: Virtual Reality Mobile Application for Training in Cardiopulmonary Resuscitation Techniques. Sensors 2021, 21, 2504 .

AMA Style

Francisco García Fierros, Jesús Moreno Escobar, Gabriel Sepúlveda Cervantes, Oswaldo Morales Matamoros, Ricardo Tejeida Padilla. VirtualCPR: Virtual Reality Mobile Application for Training in Cardiopulmonary Resuscitation Techniques. Sensors. 2021; 21 (7):2504.

Chicago/Turabian Style

Francisco García Fierros; Jesús Moreno Escobar; Gabriel Sepúlveda Cervantes; Oswaldo Morales Matamoros; Ricardo Tejeida Padilla. 2021. "VirtualCPR: Virtual Reality Mobile Application for Training in Cardiopulmonary Resuscitation Techniques." Sensors 21, no. 7: 2504.

Journal article
Published: 17 February 2021 in Applied Sciences
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This paper presents the development of a wrist rehabilitation system with a novel approach for structural design, based on the modeling of an optimization problem solved by a metaheuristic algorithm, Improved Harmony Search (ImHS). It is part of a project for developing low-cost rehabilitation systems expressly designed for the population of Latin American countries. A mixed optimization problem is modeled for the design, where the material type is associated with an integer variable and the dimensions of the components are continuous parameters. The novelty is that each element is calculated individually, but considering the combined effect over the structure. The optimization works simultaneously on both the material selection and the meeting of the associated constraints, to guarantee that the system will not fail because of any load, neither it will be unsafe for the patients, since the operation will always be within the limits considered in the modeling. ImHS is a variant of the Harmony Search algorithm, modified to enhance the exploration and exploitation processes. It is a simple yet powerful metaheuristic, implemented in this development with additional modifications to handle constraints and mixed variables. The proposed approach produced quality results, indicating that ImHS can be applied to solve complex engineering problems, facilitating the manufacture and control processes.

ACS Style

Eduardo Vega-Alvarado; Valentín Vázquez-Castillo; Edgar Portilla-Flores; Maria Calva-Yañez; Gabriel Sepúlveda-Cervantes. Design of a Wrist Rehabilitation System with a Novel Mixed Structural Optimization Applying Improved Harmony Search. Applied Sciences 2021, 11, 1766 .

AMA Style

Eduardo Vega-Alvarado, Valentín Vázquez-Castillo, Edgar Portilla-Flores, Maria Calva-Yañez, Gabriel Sepúlveda-Cervantes. Design of a Wrist Rehabilitation System with a Novel Mixed Structural Optimization Applying Improved Harmony Search. Applied Sciences. 2021; 11 (4):1766.

Chicago/Turabian Style

Eduardo Vega-Alvarado; Valentín Vázquez-Castillo; Edgar Portilla-Flores; Maria Calva-Yañez; Gabriel Sepúlveda-Cervantes. 2021. "Design of a Wrist Rehabilitation System with a Novel Mixed Structural Optimization Applying Improved Harmony Search." Applied Sciences 11, no. 4: 1766.

Journal article
Published: 23 December 2015 in IFAC-PapersOnLine
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Brain Computer Interfaces (BCI) have emerged as a solid, though promising yet incipient, mechanism to communicate simple and abstract high-level electroencephalography (EEG) commands by decoding brain rhythms. When BCI are used for online commands of a kinematic or dynamic external agent, either real or virtual ones, human perceives the task with different attributes, thus different brain regions are activated depending on the characteristic of the perceptual task and the cognitive process involved. Hence, there arises the question on how the perceived kinematic or dynamic task attributes affects the ability of human to produce a BCI command. In this paper, a Brain Computer Robot Interface (BCRI) is proposed, which contains as a core element a BCI to decode commands for a dynamical external agent, such as a robot. To convey the attributes of a dynamic perceptual task, advanced tools of dynamics and control of robots are borrowed to integrate the BCRI, complying with real time constraints and behaviors. Experimental results shows that the ability to generate BCI commands is due to a lower user frustration, which is obtained when the perceptual task matches the dynamic attributes exhibited by a dynamic robot. In contrast, when the robot behaves with kinematic attributes only, high frustration impedes the generation of BCI commands.

ACS Style

U. Sanchez-Fraire; V. Parra-Vega; D. Martinez-Peon; G. Sepúlveda-Cervantes; A. Sanchez-Orta; A.J. Muñoz-Vázquez. On the Brain Computer Robot Interface (BCRI) to Control Robots. IFAC-PapersOnLine 2015, 48, 154 -159.

AMA Style

U. Sanchez-Fraire, V. Parra-Vega, D. Martinez-Peon, G. Sepúlveda-Cervantes, A. Sanchez-Orta, A.J. Muñoz-Vázquez. On the Brain Computer Robot Interface (BCRI) to Control Robots. IFAC-PapersOnLine. 2015; 48 (19):154-159.

Chicago/Turabian Style

U. Sanchez-Fraire; V. Parra-Vega; D. Martinez-Peon; G. Sepúlveda-Cervantes; A. Sanchez-Orta; A.J. Muñoz-Vázquez. 2015. "On the Brain Computer Robot Interface (BCRI) to Control Robots." IFAC-PapersOnLine 48, no. 19: 154-159.

Book chapter
Published: 01 January 2008 in DAAAM International Scientific Book 2013
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ACS Style

G. Sepulveda Cervantes; O. A. Dominguez Ramirez; V. Parra Vega. A New Paradigm for Haptic Rendering Based on Orthogonal Decomposition. DAAAM International Scientific Book 2013 2008, 743 -758.

AMA Style

G. Sepulveda Cervantes, O. A. Dominguez Ramirez, V. Parra Vega. A New Paradigm for Haptic Rendering Based on Orthogonal Decomposition. DAAAM International Scientific Book 2013. 2008; ():743-758.

Chicago/Turabian Style

G. Sepulveda Cervantes; O. A. Dominguez Ramirez; V. Parra Vega. 2008. "A New Paradigm for Haptic Rendering Based on Orthogonal Decomposition." DAAAM International Scientific Book 2013 , no. : 743-758.