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An IoT Platform for the Development of Low-cost Emergencies Detection Units based on Soft Sensors 8

An IoT Platform for the Development of Low-cost Emergencies ...

引用

8th IEEE International Smart Cities Conference, ISC2 2022

作者： Oliveira, Franklin Costa, Daniel G. Assis, Flavio Federal University of Bahia Graduate Program in Mechatronics Bahia Salvador Brazil University of Porto INEGI Faculty of Engineering Porto Portugal

ISBN: (数字)9781665485616

ISBN: (纸本)9781665485616

For centuries, emergencies have been a recurring situation in cities. Natural or human-induced emergency situations can cause infrastructural damages in cities, potentially resulting in injuries, death, and economic losses. In this context, the use of Internet of Things technologies can support more efficient detection of emergencies such as floods, landslides, fire, and terrorism, being possible to alert people and trigger mitigation actions on time. Therefore, this work proposes an IoT platform for the development of sensors-based emergencies detection units, comprising a hardware architecture and a Real Time Operating System based firmware. By combining the concept of Soft Sensors with the parallelism of tasks on multi-core microcontrolers, as well as taking into consideration low-cost and energy efficient demands, it is expected an improvement in the development of such units in smart cities. © 2022 IEEE.

关键词： Internet of things

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A Multi Soft-sensor Approach for the Development of Emergencies Detection Units on the Edge 6

A Multi Soft-sensor Approach for the Development of Emergenc...

引用

6th IEEE International Workshop on Metrology for Industry 4.0 and IoT, MetroInd4.0 and IoT 2023

作者： Oliveira, Franklin Costa, Daniel G. Assis, Flavio Silva, Ivanovitch Federal University of Bahia Graduate Program in Mechatronics Salvador Brazil University of Porto INEGI Faculty of Engineering Porto Portugal Federal University of Rio Grande Do Norte Department of Computer Engineering and Automation Natal Brazil

ISBN: (纸本)9798350396577

The adoption of multi-sensor hardware units to detect different types of emergencies in complex scenarios such as Industry 4.0 and Smart Cities is a recent development trend, which have demanded research efforts to optimize the way these units are assembled, configured, and deployed. However, although their expected advantages, usual multi-sensors emergency-oriented approaches may be constrained by the tight association between physical sensor devices and the emergency detection process. Therefore, this paper proposes an innovative approach to concurrently detect multiple emergencies exploiting the concept of soft-sensor modules, which are implemented on Emergency Detection Units (EDUs) as concurrent tasks along with a high-priority emergency alerting task. The soft-sensor concept defines physical sensors as ordinary input data streams, which will be processed according to the defined algorithms by each particular soft-sensor, allowing detection decisions to be performed on the edge. In order to support the practical exploitation of this concept, a formal specification based on Petri Nets is defined, modeling the concurrent operation of the tasks within an EDU. A proof of concept is also designed based on the affordable Raspberry Pi Pico microcontroller, demonstrating how the proposed approach would behave when two soft-sensors are implemented in a typical detection unit. © 2023 IEEE.

关键词： Industry 4.0

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Utilizing Mobile Robots to Teach Dengue and Chikungunya Prevention in Brazilian Schools

Utilizing Mobile Robots to Teach Dengue and Chikungunya Prev...

引用

2024 Brazilian Symposium on Robotics (SBR), and 2024 Workshop on Robotics in Education (WRE)

作者： R. B. Costa Pedro H. L. Gomes Luiz F. Rodriguez Silva M. A. Pastrana Maria C. C. Gontijo M. S. Luiz Daniel M. Muñoz Faculty of Gama Aerospace Engineering Undergraduate Program University of Brasilia Brasilia DF Brazil Faculty of Gama Electronics Engineering Undergraduate Program Department of Mechanical Engineering Mechatronics Graduate Program

ISBN: (数字)9798350391084

ISBN: (纸本)9798350391091

This paper introduces a novel approach to combating the spread of Dengue and Chikungunya, two prevalent arboviruses in tropical regions, especially in Brazil. The research presents a low-cost differential topology robot designed as an educational tool to raise awareness about mosquito breeding grounds among students and teachers in public schools across the Federal District, Brazil. Developed at the University of Brasilia, the robot is deployed in collaboration with the Federal District Health Department to support prevention campaigns in schools. The paper evaluates the effectiveness of this innovative tool in enhancing community engagement and improving health outcomes. The findings suggest that integrating robotics into health education can significantly elevate awareness and strengthen prevention strategies against arboviral diseases.

关键词： Pediatrics Prevention and mitigation Education Collaboration Robot sensing systems Topology Public healthcare Robots Viruses (medical) Diseases

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Motion Detection Method of Electrostatic MEMS Resonators Operating in Aqueous Media 6

Motion Detection Method of Electrostatic MEMS Resonators Ope...

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6th International Youth Conference on Radio Electronics, Electrical and Power engineering, REEPE 2024

作者： Hemid, Mohamed Alattar, Basil Ghommem, Mehdi Ahmed, Alaaeldin Abdel-Rahman, Eihab Sabouni, Rana Mechatronics Graduate Program American University of Sharjah Sharjah United Arab Emirates American University of Sharjah Mechanical Engineering Department Sharjah United Arab Emirates Systems Design Engineering University of Waterloo Ontario Canada American University of Sharjah Chemical Engineering Department Sharjah United Arab Emirates

ISBN: (纸本)9798350382891

This paper introduces an experimental method to detect the motion of an electrostatic Micro-Electro-Mechanical Systems (MEMS) resonator in aqueous media. The resonator comprises a micro cantilever beam subject to electrostatic actuation through a side electrode. A Finite Element Method (FEM) model of the resonator is developed to determine the in-plane mode shapes and their natural frequencies in order to facilitate the experimental study. The motion of the resonator lead to variations in its capacitance and induce a current. The developed experiments demonstrate that motion-induced current can be measured and analyzed to detect the motion of the resonator's higher-order modes and can be used in chemical sensing. © 2024 IEEE.

关键词： Electrostatics

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Design and Performance Comparison of Low Dropout Regulators for a 32-bit Microcontroller Using 22nm Technology

Design and Performance Comparison of Low Dropout Regulators ...

引用

IEEE Latin American Symposium on Circuits and Systems (LASCAS)

作者： Emmanuel K. M. Johnson Luis Victor N. Lima Pamela. R. A. N. Campagnucci Sandro A. P. Haddad Wellington A. Amaral Daniel M. Muñoz Department of Mechanical Engineering Mechatronics Graduate Program University of Brasilia Brasilia DF Brazil Faculty of Gama Electronics Engineering Undergraduate Program University of Brasilia Brasilia DF Brazil

ISBN: (数字)9798331522124

ISBN: (纸本)9798331522131

This paper presents a comparison between two LDOs (Low Dropout Regulators) developed for a PMIC (Power Management Integrated Circuit) responsible for powering a 32-bit microcontroller based on the RISC-V microarchitecture, designed in 22 nm technology. The microcontroller will be integrated with a radio frequency interface for IoT (Internet of Things) applications. Two LDOs were designed: one with external compensation and the other a capacitor-less LDO. Both operate with an input voltage of 2.5V, an output voltage of 0.8V, and a maximum current of 150mA. The externally compensated LDO exhibited greater stability in response to load variations and a higher PSRR (Power Supply Rejection Ratio), while the capacitor-less LDO demonstrated faster regulation speed and occupied a chip area similar to the externally compensated LDO.

关键词： Regulators Microcontrollers Power supplies Power system management Simulation Stability analysis Regulation Circuit stability Internet of Things Voltage control

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Design and Construction of a Low-Cost Combat Robot

Design and Construction of a Low-Cost Combat Robot

引用

2024 Brazilian Symposium on Robotics (SBR), and 2024 Workshop on Robotics in Education (WRE)

作者： R. B. Costa G. Itacaramby J. Cabral M. A. Pastrana J. M. Peñaloza Daniel M. Muñoz Faculty of Gama Automotive Engineering Undergraduate Program Faculty of Gama Aerospace Engineering Undergraduate Program Faculty of Gama Software Engineering Undergraduate Program University of Brasilia Brasilia DF Brazil Department of Mechanical Engineering Mechatronics Graduate Program

ISBN: (数字)9798350391084

ISBN: (纸本)9798350391091

This paper presents the design and construction of a low-cost combat robot named Artemis, developed for participation in the Robocore Experience 2024 competition. The project emphasizes the integration of cost-effective components and innovative methodologies to create a competitive robot. The ESP32 microcontroller was selected for its advantages in energy efficiency and connectivity, surpassing traditional platforms like Arduino. The construction process involved several phases, including planning, development, testing, correction, and performance evaluation, utilizing tools such as CAD software for design and 3D printing for fabrication. Key components included a DC motor, L298N H-bridge, and a LiPo battery, all chosen to optimize performance while adhering to budget constraints. The robot's design evolved through iterative testing and adjustments, ultimately leading to a successful competition debut. This work highlights the importance of resourcefulness and collaboration in robotics, showcasing how educational institutions can foster innovation in engineering projects.

关键词： Technological innovation Microcontrollers Weapons Switches Three-dimensional printing Solids Software Time factors Robots Testing

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Prototype development of VR based personal zone defense practice equipment 4

Prototype development of VR based personal zone defense prac...

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4th IEEE Global Conference on Life Sciences and Technologies, LifeTech 2022

作者： Honma, Hiroki Iida, Yoshiaki Okumura, Yasuyuki Fujii, Katsuyuki Umehira, Masahiro Nanzan University Graduate Program of Mechatronics Graduate School of Science and Engineering Nagoya Japan Nanzan University Physical Education Center Nagoya Japan Nanzan University Faculty of Science and Engineering Department of Mechatronics Nagoya Japan Nanzan University Faculty of Science and Engineering Department of Electronics and Communication Technology Nagoya Japan

ISBN: (纸本)9781665419048

In a basketball game, players must act appropriately according to the position and movement of the player. This needs to be learned through team practice. Therefore, if we can build an environment that allows even one person to practice as a team, the efficiency of practice can be greatly improved. It is effective to use virtual reality (VR) technology to realize team practice alone. This paper proposes a VR-based basketball team practice learning system that provides VR environments similar to the actual team practice environments by arranging players in a virtual space. Focusing on zone defense practice, which is said to be difficult to learn even in team practice, we propose a practice system for orthodox 3-2 zone tactics. In addition, because the distance between the player and the surrounding VR player is important for this system, this paper presents the evaluation result of the 3D virtualization accuracy measured by the experiment. © 2022 IEEE.

关键词： Virtual reality

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Proto-type Development of Vibration-induced Haptic Shoes for Perceiving the Front Obstacle 10

Proto-type Development of Vibration-induced Haptic Shoes for...

引用

10th IEEE Global Conference on Consumer Electronics, GCCE 2021

作者： Nakagawa, Kosuke Okumura, Yasuyuki Fujii, Katsuyuki Umehira, Masahiro Nanzan University Graduate Program of Mechatronics Graduate School of Science And Engineering Nagoya Japan Nanzan University Faculty of Science And Engineering Department of Mechatronics Nagoya Japan

ISBN: (纸本)9781665436762

In this study, we fabricated a device that can detect obstacles before a user and act from the feelings presented to the sole. Specifically, a distance sensor is mounted on a haptic shoe that presents tactile information to the sole, and the haptic shoe notifies the user of obstacles in front of the user. To present the tactile information, we used an amplifier and a vibration actuator based on the TECHTILE toolkit. We fabricated a shoe-shaped device using these components. A pressure sensor was used to detect motion. PureData and Arduino software were linked to process information from the distance sensor. The system uses the sound recorded by a microphone to output information on the feeling of obstacles that prevent the user from walking. To evaluate the performance of the system, we conducted an experiment in which the subject wore the shoes and used them in analyzing the sound output from the shoes. © 2021 IEEE.

关键词： Vibrations Pressure sensors Legged locomotion Actuators Conferences Footwear Software

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Hardware Implementation of a GMDH Controller for Mobile Robot Obstacle Following/Avoidance

Hardware Implementation of a GMDH Controller for Mobile Robo...

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IEEE Latin American Robotics Symposium, LARS

作者： M. A. Pastrana L. H. Oliveira M. S. Santana V. C. Oliveira Jose Mendoza-Peñaloza Daniel M. Muñoz Department of Mechanical Engineering Mechatronics Graduate Program Faculty of Gama Electronics Engineering Undergraduate Program University of Brasilia Brasilia DF Brazil

Proportional, integral, and derivative (PID) controllers have been widely adopted for industrial applications. However, these controllers are not very efficient for non-linear systems. Artificial neural networks (ANN) based on the Group Method of Data Handling (GMDH) have great potential to replace the PID controllers due to their polynomial structure, allowing complex non-linear systems to be controlled. This work presents a hardware architecture of a GMDH network applied to speed control of a mobile robot platform. The proposed GMDH controller was implemented using a 16-bit floating-point arithmetic representation and was mapped on a Zynq7020 device. A hardware-in-the-loop based on the Universal Direct Memory Access methodology was developed to validate the proposed circuits, allowing for performance comparisons between a classical PID and the GMDH controllers for different simulated scenarios.

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Comparison of Bioinspired MLP Controllers for Mobile Robots Obstacle Following/Avoidance

Comparison of Bioinspired MLP Controllers for Mobile Robots ...

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Latin America Congress on Computational Intelligence (LA-CCI)

作者： Matheus de S. Luiz M. A. Pastrana Lukas. A. Da Silva Pamela. R. A. N. Campagnucci Jose Mendoza-Peñaloza Rafael R.L. Benevides Daniel M. Muñoz Faculty of Gama Electronics Engineering Undergraduate Program University of Brasilia Brasilia DF Brazil Department of Mechanical Engineering Mechatronics Graduate Program University of Brasilia Brasilia DF Brazil

ISBN: (数字)9798350374575

ISBN: (纸本)9798350374582

Proportional, integral, and derivative (PID) controllers have been widely adopted for industrial applications. However, these controllers are not very efficient for non-linear systems. Artificial neural networks (ANN) based on the Multilayer Perceptron (MLP) have great potential to replace PID controllers due to their polynomial structure, allowing complex non-linear systems to be controlled. This article introduces the integration of four MLPs as alternatives to a traditional PID controller. These MLPs were trained through four bioinspired algorithms tailored for following tasks in mobile robots. The bioinspired algorithms employed for MLP network training include Particle Swarm Optimization (PSO), Grey Wolf Optimization (GWO), Month-Flame Optimization (MFO), and Artificial Hummingbird Algorithm (AHA). A comparative analysis was conducted between these MLPs and a classic PID controller, focusing on parameters such as overshoot (OS), settling time (ST), and steady-state error for different simulated scenarios.

关键词： Training Process control Artificial neural networks Vectors Stability analysis Steady-state Mobile robots Optimization Videos Testing

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