Jesús Everardo Olguín Tiznado

• Doctor of Engineering
• Professor at Autonomous University of Baja California

Lo que se nos presenta, en esta obra, va más allá de un libro práctico en metodología; en contraste, tenemos un compendio cuyo objetivo es poner en manos de los interesados maneras originales de formular herramientas de análisis de datos. Así, la imaginación no queda reducida a las técnicas cualitativas, sino que se logra retomar en la construcción...

La pandemia de COVID-19 ha tenido un impacto profundo y duradero en todos los aspectos de la vida laboral, y los docentes universitarios no han sido una excepción. A medida que las instituciones educativas de todo el mundo se adaptaron rápidamente a la enseñanza en línea y a distancia, emergieron nuevos desafíos que han afectado significativamente...

El objetivo de este estudio es generar información sobre el contraste entre la teoría y la práctica a través del análisis de un estudio de caso. Utilizando el método deductivo-inductivo, se realiza una entrevista a un experto en la industria automotriz para conocer los beneficios de la Industria 4.0 en el sector. Los resultados evidencian una falta...

Background: Musculoskeletal System Disorders (MSDs) are a group of injuries that represent common occupational diseases and should be evaluated for prevention purposes because an increase has been observed due to the repetitive movements performed in the industry. This research was carried out in a manufacturing industry where metal parts are manu...

El objetivo es identificar patrones en la literatura para crear estrategias innovadoras en investigación y desarrollo, mediante un análisis biblio-hemerográfico. Se analizaron en dos bases de datos conceptos como autores, países, citas y palabras clave de artículos sobre la industria automotriz, adaptabilidad y barreras en el contexto de I4.0. Se e...

Background: Since 2018, NOM-035-STPS-2018 has been applied in Mexico, focused on measuring psychosocial risk factors (PRFs) in workers and the Reference Guide III (RGIII) has been presented, however, research focused on its validation has been scarce, in very specific sectors and with small samples. Objective: Determine the levels of PRFs of fiv...

The primary objective of this study was to analyze the psychometric properties of the Inventory for the Identification and Analysis of Psychosocial Risk Factors (IIA-PRF) of Reference Guide III proposed in NOM-035-STPS-2018. A total of 2,149 workers in Baja California, Mexico’s industrial and education-government sectors, were administered an onlin...

This paper reports a second order structural equation model (SEM) with four latent variables and six hypotheses to analyze the Planning, Execution, and Control of the information and communication technologies (ICT) implementation in supply chains (SC) and the operational Benefits obtained. The model is validated with information obtained from 80 r...

This article reports a thermal analysis of the wrists to analyze the behavior and recovery of skin temperature after 20 min when performing a highly repetitive movement, and two thermography methods (sensory and infrared) and research groups were compared. The tests were carried out with 44 participants who performed a repetitive task for 10 min an...

Objetivo: Evaluar la relación entre el liderazgo transformacional y el Burnout en un hospital público en México. Método: los instrumentos MLQ-5 y MBI se aplicaron a n= 102 médicos y enfermeras. Resultados: El estudio identificó que el liderazgo transformacional tiene un impacto negativo directo sobre el Burnout. Limitaciones e implicaciones prof...

The improvement of underwater imaging has advanced significantly due to its contribution to marine engineering and underwater exploration. This fact has been reflected in recent years with the proposal of numerous algorithms that improve the quality of underwater images. A benchmarking of three algorithms based on the Retinex models implemented on...

This research aims to describe the relationship between resilience and burnout facing COVID-19 pandemics. The sample was n = 831 lecturers and professors of a Mexican public university. This study is a quantitative, non-experimental, cross-sectional, explanatory, and ex post facto research using Structural Equations Modeling with latent variables u...

This research uses structural equation modeling to determine the influence of uncertainty due to the COVID-19 pandemic as an independent variable in the negative emotional states and resilience (as mediating variables) vs. drug addiction, alcoholism, and suicide ideation as dependent variables in 5557 students from a public state university in Nort...

This research reviews 18 scientific articles concerning the application of infrared thermography (IRT) in the mensuration of diagnostic studies of carpal tunnel syndrome (CTS). In addition, the proposed future challenges in this research area are identified. A review of articles is performed in databases such as PubMed, Scopus, EBSCO, ELSEVIER, Spr...

It is mentioned that companies’ competition is currently more associated with supply chains (SC) than production processes since sometimes logistics costs represent up to 70% of the total production cost in a product. To improve efficiency in SC, companies are implementing information and communication technologies (ICT). This paper reports a struc...

The monitoring of infrared thermal images is reported to analyze changes in skin temperature in the hand fingers when repetitive work is performed to know which finger has a greater risk of injury, besides, the recovery time is analyzed regarding the initial temperature and its relationship with age, sex, weight, height if practice sports, and Body...

Companies implement lean manufacturing (LM) tools in their production processes to reduce waste; however, it is difficult to quantify the effect on benefits gained after their implementation. This article proposes a structural equations model (SEM) that relates three LM tools associated with quality as total quality management (TQM), waste, and rig...

Temperature gradient changes on the surface of the skin or in the middle of the body are signs of a disease. The aim of this study is to develop quantitative models for the prediction of cumulative trauma disorders (CTDs) arising from highly repetitive activities, considering risk factors , such as age, gender, body mass index (BMI), blood pressure...

Innovations within the medical device sector are constantly and rapidly emerging due to increasing demand, especially for orthosis systems, which usually constitute built rigids with low comfort, due mainly to the standardized production process. This article reports the design process of a plantar orthosis system from the application of Theory of...

Electrical impedance tomography (EIT) is a useful procedure with applications in industry and medicine, particularly in the lungs and brain area. In this paper, the development of a portable, reliable and low-cost EIT system for image reconstruction by using an embedded system (ES) is introduced herein. The novelty of this article is the hardware d...

No previous studies in Mexico have been found that jointly analyze physical and leisure activities as variables related to mental health in police officers. This paper presents research on burnout in Mexican Police officers. The question it answers is: is there any association of burnout with physical and leisure activities and personal profile? A...

Featured Application Researchers in the CTS area can use findings and summaries obtained in this research to quickly know their state of the art, the treatments used and the risk factors studied. Abstract Carpal tunnel syndrome (CTS) is one of the most common compressive, canalicular neuropathies of the upper extremities, causing hand pain and imp...

The International Labour Organization (ILO) considers mental workload one of the most important psychosocial risk factors associated with the characteristics of the task and paramount in the metalworking industry. The objective was to analyze the levels of risk of the psychosocial factors that workers present, considering their physical, social, an...

There are different techniques for the optimization of industrial processes that are widely used in industry, such as experimental design or surface response methodology to name a few. There are also alternative techniques for optimization, like the Simultaneous Perturbation Stochastic Approaches (SPSA) algorithm. This chapter compares the results...

This study aims to compare the type of organisational commitment in two manufacturing facilities’ employees. We also compared the employees’ profile to find answers of what kind of employee relates to each type of commitment and why both companies present so different results. An analysis of k-means clusters under the k-nearest neighbour method was...

The design of a remotely operated vehicle (ROV) with a size of 18.41 cm × 29.50 cm × 33.50 cm, and a weight of 15.64 kg, is introduced herein. The main goal is to capture underwater video by remote control communication in real time via Ethernet protocol. The ROV moves under the six brushless motors governed through a smart PID controller (Proporti...

In globalized times the integration of information and communication technologies in companies and their supply chains is required, but there is uncertainty regarding the true impact that these have on efficiency indices or benefits gained in the productive system. This article reports a structural equation model that contains ten hypotheses with f...

Simultaneous Perturbation Stochastic Approximation (SPSA) algorithms are alternative methods for optimizing systems where the relationship between the dependent variables and independent variables of a process is unknown. The objective of this research is to determine the optimum succession measure of SPSA that maximizes the Process Capability Inde...

Office work involves maintaining fixed postures for long periods, which leads to the development of skeletal muscle disorders, which is why an ergonomic evaluation is necessary to avoid health problems. The objective of this study is to evaluate, by means of ergonomic methods, the risk of postural loading of workers in the loan area of a library, i...

This article reports a model regarding the structural equations of the impact of the planning phase and the benefits acquired in the implementation of the kanban system. It begins with a literature review of the activities of the planning phase, based on which a questionnaire was developed and applied in manufacturing companies in the state of Baja...

One of the recurrent problems in works that require repetitive activity this study was performed on a group of workers and the temperature of the wrist and elbows were taken by means of sensorial thermography with the objective. This study was performed on a group of workers and the temperature of the wrist and elbows were taken by means of sensori...

This article reports a model of structural equations that integrates four latent variables and six hypotheses among them: Integration of information and communication technology (ICT), investment in ICT, training in ICT, and operational benefits obtained in the supply chain (SC). The model is validated with information obtained from 80 surveys appl...

This study provides a systematic review of some of the psychometric properties of the Spanish Burnout Inventory (SBI). A systematic review of the literature yielded 37 original studies, from which 12 articles that met the required statistical and analysis parameters were selected and reviewed. The analysis considered a test of 95% estimated reliabi...

This study focuses on the application of sensory thermography, as a non-invasive method to evaluate the musculoskeletal injuries that industry workers performing Highly Repetitive Movements (HRM) may acquire. It was made at a wireless company having the target of analyze temperatures in worker's wrists, elbows and shoulders in workstations during t...

This study focuses on the application of sensory thermography, as a non-invasive method to evaluate the musculoskeletal injuries that industry operators performing Highly Repetitive Movements (HRM) may acquire, which could enhance the pathological understanding of the Cumulative Trauma Disorder (CTD). Changes in wrist temperature throughout the tes...

This research study deals with the application of sensory thermography on workers of the textile industry who are working in areas where they do Highly Repetitive Movements (HRM). Objectives: To analyze those with variations of temperature generated in the wrist area during a period operation of 2 hours 30, showing the feasibility of the implementa...

Unlabelled: This study examines changes in body temperature generated in the wrist area through sensory thermography technique because of highly repetitive movements, proving with this technique that there is a decreased ability to perform muscular work, and thereby assess possible pathologies of Cumulative Trauma Disorders (CTDs). Methods: Two...

Stochastic approximation algorithms are alternative linear search methods for optimising control systems where the functional relationship between the response variable and the controllable factors in a process and its analytical model remain unknown. These algorithms have no criteria for selecting succession measurements ensuring convergence, mean...

The overall objective of this project is to produce maps identifying potential landslide hazard areas in the city of Ensenada, Baja California Mexico. In this paper we present the results of the granulometric analysis for 7 soil samples of different sites in the city that are subject to landslide or rock displacement hazard. We also present the tes...

En el presente trabajo se muestra la aplicación del estudio de Repetibilidad y Reproducibilidad (R y R), realizado para evaluar el Sistema de Medición (SM) utilizado en un estudio de termografía sensorial en seres humanos, para la detección de Desórdenes de Traumas Acumulados (DTA's). La termografía es una técnica no invasiva en los seres humanos y...

This article presents the development of a personal computer based AM/FM radio station operating on the AM/FM commercial band. Developing the graphical user interface for the software and the interconnection with an RF function generator by means of a GPIB is presented. Computer users can enter the desired transmission frequency within the commerci...

This work focused on the problem of finding a suitable medium access control protocol so that the nodes of a given cluster could communicate efficiently within their respective activity window. The nodes thus saved energy by turning off their transceivers during the time that they did not have to exchange information. This work's main objective was...

This work focused on the problem of finding a suitable medium access control protocol so that the nodes of a given cluster could communicate efficiently within their respective activity window. The nodes thus saved energy by turning off their transceivers during the time that they did not have to exchange information. This work's main objective was...

En este trabajo se presenta el desarrollo de una estación de radio AM/FM basada en computadora personal, que opera en la banda comercial de AM y FM. Se presenta la evolución de la interfaz gráfica con el usuario del software y la interconexión por medio del ducto GPIB con un generador de funciones de RF. El usuario de la computadora tiene la opción...

RESUMEN Los transistores HEMT's (High Electron Mobility Transistor) de potencia a base de Nitruro de Galio (GaN), son la clave para el diseño exitoso de amplificadores en la banda WiMax. Estos transistores ofrecen una alta eficiencia y linealidad, lo que los hace ideales para el diseño de amplificadores clase A y B, utilizados en las bandas de rede...

Como resultado de esta Investigación, se presentará un modelo de transporte usando programación lineal. El proceso general de distribución se organiza en niveles que se suceden entre la empresa y sus respectivos clientes. En cada nivel se pueden ver claramente unidades de origen-destino, entre un origen y varios destinos, con transporte directo y c...

This work presents the development of a low frequency network analyzer; this system can be used to support school practices, research or commercial use. It is shown the development of the graphic interface, friendly and easy to use for any user. The system allows the characterization of analog filters, amplifiers and other electronic components. Th...