Apolinar González

Universidad de Colima · Faculty of Mechanical and Electrical Engineering (Coquimatlán)

New applications of industrial automation request great flexibility in the systems, supported by the increase in the interconnection between its components, allowing access to all the information of the system and its reconfiguration based on the changes that occur during its operations, with the purpose of reaching optimum points of operation. The...

In microgrid projects, social ownership involves aspects beyond their operation that may compromise the sustainability of the system. For this reason, the development of analysis methods to assess the feasibility and impact during the design stages of these solutions is of growing interest. Recent studies have proposed methods that allow an individ...

Industry 4.0 involves the digital transformation of the industry with the integration and digitization of all industrial processes that make up the value chain, which is characterized by adaptability, flexibility, and efficiency to meet the needs of customers in today’s market. Therefore, the adaptations of the new bioprocess industry require a lot...

Modern industries require constant adaptation to new trends. Thus, they seek greater flexibility and agility to cope with disruptions, as well as to solve needs or meet the demand for growth. Therefore, smart industrial applications require a lot of flexibility to be able to react more quickly to continuous market changes, offer more personalized p...

This work reports a strategy to design a craft banana beer recipe using the Giant Dwarf cultivar to obtain juice for usage as an adjunct, providing an important source of carbon, aroma, and flavor in the final product. To evaluate the proposed method, 18 different formulations were tested, 9 of which were carbonated with sucrose and 9 with banana j...

Millions of electrocardiograms (ECG) are interpreted every year, requiring specialized training for accurate interpretation. Because automated and accurate classification ECG signals will improve early diagnosis of heart condition, several neural network (NN) approaches have been proposed for classifying ECG signals. Current strategies for a critic...

The present work provides a series of theoretical improvements of a control strategy in order to optimize the time of use of solar air-conditioning by an ejector distributed in multiple solar collectors of vacuum tubes for the residential sector, which will allow us to reduce carbon-dioxide emissions, costs and electrical energy consumption. In a s...

This work presents a novel method to associate the polyphenol oxidase (PPO) and the peroxidase (POD) activities with the ripening-mediated color changes in banana peel and pulp by computational image analysis. The method was used to follow up the de-greening of peel and browning of homogenized pulp from ‘Giant Dwarf’ (GD: Musa AAA, subgroup Cavendi...

This paper describes an interesting model architecture based on the tree topology, as well as its analysis through an associated validation method for control networks designed for low-rate wireless sensor and actuator networks (WSAN), consisting of multiple control loops closed over a wireless communication network, taking advantage of the flexibl...

En este trabajo se presenta un prototipo para la adquisición y procesamiento de bioseñales cardiacas empleando tecnología inalámbrica. El sistema de adquisición y procesamiento se cuenta con dos etapas principales; una de bajo nivel que adapta y filtra la señal eléctrica, y otra de alto nivel que se encarga de digitalizarla y transmitirla inalámbri...

Resumen—En el presente artículo se hace uso de un prototipo desarrollado previamente para la adquisición de bioseñalesbiose˜bioseñales ECG, mediante el uso de filtros activos (Butterworth) para el procesa-miento de la señalse˜señal obtenida, así como el uso de amplificadores para acondicionar la señalse˜señal, siendo posteriormente transferida inal...

This paper describes the complete integration of a fuzzy control of multiple evaporator systems with the IEEE 802.15.4 standard, in which we study several important aspects for this kind of system, like a detailed analysis of the end-to-end real-time flows over wireless sensor and actuator networks (WSAN), a real-time kernel with an earliest deadli...

This paper describes the complete integration of a fuzzy control of multiple evaporator systems with the IEEE 802.15.4 standard, in which we study several important aspects for this kind of system, like a detailed analysis of the end-to-end real-time flows over wireless sensor and actuator networks (WSAN), a real-time kernel with an earliest deadli...

Los sistemas distribuidos necesitan esquemas de comunicación eficientes para que sus nodos puedan interactuar y funcionar de manera exitosa. Para realizar la comunicación entre estos nodos surge la necesidad de conocer los aspectos relacionados con el dominio de aplicación del sistema, entre ellos podemos mencionar: tipo de sistema operativo, tipo...

En este artículo se propone el análisis y modelado de una estructura sensorial ultrasónica empleando un algoritmo de procesamiento que utiliza un conjunto de macro-secuencias y técnicas de correlación para obtener respuestas impulsivas de canales de transmisión de forma simultánea. La estructura sensorial está formada por múltiples transductores ul...

We present the description of a QoS aware dynamic virtualization manager. The proposal is a set of definitions for the low-level framework, named QoS CPU manager, which is part of a Local Resource Manager (LRM). In this work, we give a formal specification of the internals of our LRM. We give the relationships of the CPU capacity management compone...

A small footprint, low latency platform for real-time embedded safety critical Java applications has been developed. The platform consists of a hypervisor, operating system, and Java compiler. This paper describes the design, implementation and analysis of the platform to support real-time safety critical embedded applications using real-time java....

A small footprint, low latency platform for real-time embedded safety critical Java applications has been developed. The platform consists of a hypervisor, operating system, and Java compiler. This paper describes the design, implementation and analysis of the platform to support real-time safety critical embedded applications using real-time java....

Nowadays, virtualization is a technology that is applied for sharing the capabilities of physical computers by splitting the resources among OSs. The concept of Virtual Machines (VMs) started back in 1964 with a IBM project called CP/CMS system. Currently, there are several virtualization techniques that can be used for supporting the execution of...

Because battery-powered nodes are required in wireless sensor networks and energy consumption represents an important design consideration, alternate energy sources are needed to provide more effective and optimal function. The main goal of this work is to present an energy harvesting wireless sensor network platform, the Open Wireless Sensor node...

Paper Available on: https://ieeexplore.ieee.org/document/6320959 The increasing presence of ubiquitous computing and ambient intelligence in products and services is presently creating huge opportunities in a variety of different areas. To create a robust and reliable platform for complex distributed embedded systems like a smart home, we address...

Multimodal user interfaces will play increasing important roles in future inter-vehicular applications, assisting drivers perform many common tasks more safely when operating vehicles driving within the range of inter-vehicular communications networks. Multisensory interfaces should, in the future, provide entertainment, comfort and security, while...

A current trend in the development and implementation of industrial applications is to use wireless networks to communicate the system nodes, mainly to increase application flexibility, reliability and portability, as well as to reduce the implementation cost. However, the nondeterministic and concurrent behavior of distributed systems makes their...

Wireless sensor networks are gaining greater attention from the research community and industrial professionals because these small pieces of "smart dust" offer great advantages due to their small size, low power consumption, easy integration and support for "green" applications. Green applications are considered a hot topic in intelligent environm...

A Real-Time Wireless Distributed Embedded System (RTWDES) is formed by a large quantity of small devices with certain computing power, wireless communication and sensing/actuators capabilities. These types of networks have become popular as they have been developed for applications which can carry out a vast quantity of tasks, including home and bu...

This paper presents a performance analysis of an enhanced version of the Topological Multicast Routing Algorithm (ToMuRo) on mobile wireless ad‐hoc networks, which includes undecided border nodes. Employing undecided border nodes to forward multicast packets represents a significant enhancement because it optimizes the path discovery process by sel...

This paper presents the measurements and analytical results regarding important characteristics of wireless propagation for vehicular ad-hoc networks in motorway environments, including Doppler Effect, Free Space Signal propagation, path loss and system operating margin. In this work, we employ IEEE 802.1 1b wireless cards for inter-vehicular commu...

Este libro tiene el acierto de iniciar con las bases fundamentales del cómputo móvil y ubicuo para partir de ahí a un discurso integrador que incorpora casos reales de aplicación que, por un lado, dan evidencia de la magnitud e importancia de la disciplina, inspirando a estudiantes y profesionales de áreas afines.

AbstrAct This chapter proposes a new routing algorithm that allows communication in vehicular ad hoc networks. In vehicular ad hoc networks, the transmitter node cannot determine the immediate future position of the receiving node beforehand. Furthermore, rapid topological changes and limited bandwidth compound the difficulties nodes experience whe...

Se presenta en este trabajo el análisis, desarrollo, simulación y resultados de dos algoritmos que tienen la finalidad de regular el flujo vehicular y la comunicación entre vehículos móviles autónomos. El flujo vehicular es simulado con un algoritmo microscópico y la comunicación entre vehículos móviles autónomos es simulada con un algoritmo basado...

PANDORA protocol for emergency and rural wireless networks is described, which is based on the Hybrid Wireless Mesh Network (HWMN) architecture. The HWMN is ail emerging two-tier architecture targeting the deployment of large-scale networks in a quick and inexpensive fashion. We test three queuing disciplines using the PANDORA protocol: PRIO, HTB,...

This work presents the analysis, development, simulation, and results of two algorithms that have the objective of regulating the vehicular flow and the communication between autonomous vehicles. The vehicular flow is simulated with a microscopic algorithm and the communication between autonomous mobile vehicles is simulated with an algorithm based...

This chapter proposes a new routing algorithm that allows communication in vehicular ad hoc networks. In vehicular ad hoc networks, the transmitter node cannot determine the immediate future position of the receiving node beforehand. Furthermore, rapid topological changes and limited bandwidth compound the difficulties nodes experience when attempt...

This paper presents a typical scenario of how wireless sensor networks can be used in greenhouse environments to efficiently monitor soil moisture and temperature, ambient temperature, and humidity. Wireless communications, sensor networks, and other complementary technologies provide the necessary tools to compile and processes physical variables,...

This paper provides a comparative analysis of wireless broadband mesh and multi-hop networks. This analysis focuses on synchronization and centralized and distributed scheduling in wireless broadband mesh networks. In addition, it also describes the additional addressing and connection definition that applies to multi-hop relay systems. The compara...

Este artículo presenta una propuesta de aplicación de redes de sensores como instrumento de recolección de información para el establecimiento de modelos de producción en aplicaciones agronómicas, tanto en cultivos protegidos como en el campo. Las redes inalámbricas de sensores proveen la flexibilidad necesaria para disminuir tiempos de instalación...

Este trabajo examina la importancia de las redes inalámbricas ad hoc y el algoritmo de enrutamiento con inundación basada en grupos (LORACBF) para la comunicación intervehicular con la finalidad de optimizar el flujo de tráfico e incrementar la seguridad en las autopistas. Se discute el algoritmo de enrutamiento LORACBF y se presentan los resultado...

This paper presents a wireless communication protocol based on the Earliest Deadline First policy for wireless body sensor networks. This work advances a previous effort by proposing using an implicit Earliest Deadline First policy to guarantee real-time communication by optimizing network traffic flow, although this strategy may imply using the to...

Multicast routing algorithms have become increasingly important in the field of wireless ad-hoc networks because they effectively communicate and coordinate sets of nodes. Multicast routing algorithm, for example, performs better than multiple unicast routing strategies in ad-hoc environments, where bandwidth resources are at a premium. Multicast p...

This article examines the importance of wireless ad hoc networs and the Location Routing Algorithm with Cluster-Based Flooding (LORA-CBF) for inter-vehicular communication in the context of optimizing traffic flow and increasing motorway safety. The LORA-CBF routing algorithm is discussed and simulated in detail, considering a motorway environment...

The cost to develop real-time systems is still quite high, and off-the-shelf solutions are often difficult to adapt to many actual real-world problems. As part of joint research at the University of Guadalajara and the University of Colima in Mexico, an object-oriented control engine has been developed to enable quick creation of real-time systems...

Many computer-controlled systems are distributed, consisting of computer nodes and a communication network connecting the various systems. It is not uncommon for the sensor, actuator, and control calculations to reside on different nodes. Wireless connections permit to apply these control systems in a wide spectrum of application and environments....

As radio systems become more reliable and cheaper, it becomes feasible to use ad-hoc radio communications as an extra layer of safety, to prevent crashes between trains in a light rail control system. In this paper, we look at physical tests of a modified ZigBee radio to determine the minimum reliable communication distances, and also a simulator b...

Many computer-controlled systems are distributed, consisting of computer nodes and a communication network connecting the various systems. It is not uncommon for the sensor, actuator, and control calculations to reside on different nodes. Wireless connections permit to apply these control systems in a wide spectrum of application and environments....

This paper presents a geographic routing algorithm (GERA) for wireless sensor network. We developed and simulated GERA in OPNET and evaluated it in terms of end to end delay and routing load, two of the most important variables concerning dense wireless sensor networks. We employed GERA to simulate volcanic hazards in the area of the Colima Volcano...

El crecimiento que ha tenido en los últimos años el desarrollode aplicaciones para sistemas embebidos de tiempo real ha sidoacompañado de un crecimiento en la complejidad de estos mismos.Esto ha puesto en evidencia la necesidad de herramientas quebrinden al usuario un alto nivel de abstracción que le permitadisminuir la complejidad y los errores oc...

En este trabajo se presentael codiseño del algoritmode control y de la plataformade implementación de un sistemaen red que regula la velocidadde un motor DC, paralo cual, desde el análisis delalgoritmo de control, se consideranlas características dela plataforma de implementación.Los resultados de simulacióny experimentalespermiten validar el diseñ...

(Article published in GESTS International Transactions on Computer Science and Engineering) This article examines the importance of wireless ad-hoc networks and the LORA-CBF routing algorithm for inter-vehicular communications in the context of optimizing traffic flow and increasing vehicular safety. The LORA-CBF algorithm is discussed in detail an...

RESUMEN En éste trabajo se aborda la problemática de comunicación en tiempo real en sistemas de control y monitoreo remoto. Se propone una arquitectura orientada a aplicaciones donde los requerimientos de tiempo real sean relevantes, dedicando interés especial en el protocolo de comunicaciones para una red ad hoc, que cubra las necesidades de la co...

The use of formal methods for real-time system provides an analysis and a validation of the accomplished specifications, however, the complexity encumbers their interest in the industrial developments. This causes a gap between the real needs of the practical users (industrial) and the scientific community. The design based on components emerges as...

During the specification process of real-time systems it is very important to use components that can have a close relation with the final implementation. In this paper, we have stated from Ada95 components (active and passive) and have modelled the isolated components and the interconnection of them to produce a specification. The components have...

Resumen Actualmente existe un gran interés por el desarrollo de aplicaciones industriales utilizando redes inalámbricas para interconectar los componentes de los sistemas, principalmente por el aumento de la flexibilidad y la disminución de los costos de implementación. Sin embargo, la naturaleza concurrente y no determinista de los sistemas distri...

Traditionally, safety critical systems have been constructed from low volume hardware and software components specifically designed for safety critical systems. Almost all are closed systems, and the exact designs and source code are not available for analysis or comparison; we can only evaluate the reliability based on published reports of acciden...

RTLinux is a hard Real-Time OS (RTOS) which uses an original approach to develop complex hard real-time applications in a fairly easy way: Executing a hard RTOS (RTLinux itself) jointly with Linux in the same box. This approach enables splitting up a hard real-time application according to its criticality, the part with deadline requirements is run...

This paper presents the measurements and analytical results regarding important characteristics of wireless propagation for vehicular ad-hoc networks in motorway environments, including Doppler Effect, Free Space Signal propagation, path loss and system operating margin. In this work, we employ IEEE 802.11b wireless cards for inter-vehicular commun...