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2023 IEEE Global Conference on Information Technologies and Communications, GCITC 2023

作者： Dhyani, Sachin Kumar, Vijay Chitkara University Institute of Engineering and Technology Chitkara University Robotics and Mechatronics Research Lab Punjab 140417 India

ISBN: (纸本)9798350308167

Automated license plate detection system is used for recognition and locating of license plates on vehicles using image processing and computer vision methods. Automated license plate detection is an important area of research in computer vision with far-reaching applications in the industrial sector. It has the potential to increase productivity and accuracy in numerous industrial applications. The procedure entails utilizing a camera to take a photo of a vehicle's license plate, processing the photo to identify the plate, and extracting the characters from the plate. This paper provides implementation of the YOLOv7x algorithm to detect license plate on vehicles. EasyOCR is applied to the detected license plate to recognize the text. The model is trained on a customized dataset consisting of only Indian vehicles license plate. The proposed work achieves a high accuracy of 99% and outperforms old techniques like Yolov3, darknet, CNN. © 2023 IEEE.

关键词： autonomous vehicle license plate recognition object detection yolov7

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Mathematical Modeling of the Spatial Kinematics of an Omni-platform Balancing on a Spherical Wheel 7

Mathematical Modeling of the Spatial Kinematics of an Omni-p...

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7th International Youth Conference on Radio Electronics, Electrical and Power Engineering, REEPE 2025

作者： Saypulaev, G.R. Saypulaev, M.R. Demidov, A.A. Sokiranskaya, E.K. Semenyakina, E.S. Lipatov, A.A. National Research University 'MPEI' Department of Robotics Mechatronics Dynamics and Machine Strength Moscow Russian Federation

ISBN: (纸本)9798331531836

This article presents a mathematical modeling the spatial kinematics of an omni-platform balancing on a spherical wheel. The design of a platform with three omni-wheels, symmetrically located on a circle, is being considered. The purpose of the work is to construct formulas for the angular velocities of omni-wheels during the spatial motion of a platform balancing on a spherical wheel are derived from the equations of non-slip conditions of the interacting bodies contact points. In the particular case of motion of a robot spherical wheel on a horizontal surface with the platform positioned in the upper equilibrium position, forward and inverse kinematics equations are obtained. Based on the results of numerical modeling, estimates of the maximum speeds of the omni-platform are obtained for given constraints on the angular speeds of the omni-wheels. The results of the work can be used in the design and manufacture of new Ballbot. © 2025 IEEE.

关键词： 3D model kinematics mathematical model omni-platform omni-wheel spherical wheel

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Path Tracing and Validation of Omni Wheeled Mini Robot Using Visual Feedback

Path Tracing and Validation of Omni Wheeled Mini Robot Using...

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International Conference on Advanced Computer Control, ICACC

作者： Aftaab Ahamed Karthik Jayaraj Shibin Fazil Nikitha S Sudheer A P Robotics Interest Group Mechatronics/Robotics Laboratory National Institute of Technology Calicut Mechanical Engineering Department Mechatronics/Robotics Laboratory National Institute of Technology Calicut

ISBN: (数字)9798350379136

ISBN: (纸本)9798350379143

Holonomic drives are gaining popularity in many fields due to their versatility in various industrial applications. The ability of the holonomic drive robots to move in all directions makes it distinct from other drive mechanisms. Open-loop control of omnidirectional bots can be achieved with relative ease whereas automating it is not as easy. When trying to create an automated system with lower cost, off the shelf components and hardware, other problems may arise as a result of the poor performance of the components. Here a three wheeled omnidirectional robot that can trace a predefined path without human intervention has successfully been developed.

关键词： Location awareness Visualization Costs Service robots Debugging Drives Hardware Mobile robots Robots Wireless fidelity

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Trail Control of Bicycle for Improving Stability and Maneuverability

Trail Control of Bicycle for Improving Stability and Maneuve...

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2023 International Conference on mechatronics, Control and robotics, ICMCR 2023

作者： Takimoto, Soshi Iwase, Masami Shiino, Kazuki Kihara, Takaatsu Tokyo Denki University Graduate School of Science and Technology for Future Life Department of Robotics and Mechatronics Tokyo Japan

ISBN: (纸本)9798350321555

The purpose of this study is to improve the stability and maneuverability of bicycles by controlling the trail effect according to the riding conditions of the bicycle. An experimental system is developed, and experiments are conducted to investigate the changes in bicycle behavior occurring due to the variation at the trail effect when the offset is varied. First, the bicycle behavior with different offsets is investigated by bicycle simulator. To verify the behavior depending on the size of the offset experimentally, we utilize the experimental bicycle for analysis in which the position of the offset can be changed in steps. As a result, a stable offset position at a speed of 10 km/h is confirmed by running experiments. A steer-by-wire mechanism bicycle, in which the handlebars and front wheel are mechanically separated and the front wheel can be electrically controlled without giving extra reaction force to the rider, is used to realize a preferable pseudotrail. From the experiments, with the steer-by-wire bicycle it is confirmed that the controlled bicycle reproduce the same behavior as the bicycle with the offset at a speed of 10 km/h. From the observation, we conclude the effectiveness of the steering-Assisted bicycle in improving postural stability is confirmed. © 2023 IEEE.

关键词： Bicycles

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Reward Planning for Underactuated Robotic Systems: A Study on Pendubot with Parameters Uncertainty 7

Reward Planning for Underactuated Robotic Systems: A Study o...

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7th Scientific School: Dynamics of Complex Networks and their Applications, DCNA 2023

作者： Ibrahim, Sinan Khusainov, Ramil Jnadi, Ali Ahsan Kazmi, S.M. Innopolis University Institute of Robotics and Computer Vision Russia Innopolis University Center for Technologies in Robotics and Mechatronics Components Russia Computer Science and Creative Technologies Bristol United Kingdom

ISBN: (纸本)9798350305746

There is a burgeoning interest in the field of Reinforcement Learning (RL) across various domains, including robotics. Traditional control approaches for robotic systems, such as semi-definite programming (SDP) or mixed integer programming (MIP), typically rely on the assumption of a known and deterministic model of the environment. In contrast, this study aims to introduce a novel RL method for planning the reward function specifically tailored for underactuated robotic systems with parameter uncertainty. We propose a method with a single RL agent to address the challenge of swing up and balance of a Pendubot system with uncertain parameters. The ultimate objective is to enhance the system's ability to adapt and perform reliably in the face of varying uncertainties. © 2023 IEEE.

关键词： Reinforcement learning

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Ferroelectric composite-based piezoelectric energy harvester for selfpowered detection of obstructive sleep

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Journal of Materiomics 2023年第4期9卷 609-617页

作者： Swati Panda Hyoju Shin Sugato Hajra Yumi Oh Wonjeong Oh Jeonghyeon Lee P.M.Rajaitha Basanta Kumar Panigrahi Jyoti Shukla Alok Kumar Sahu Perumal Alagarsamy Hoe Joon Kim Department of Robotics and Mechatronics Engineering Daegu Gyeongbuk Institute of Science and Technology(DGIST)Daegu42988South Korea Department of Electrical Engineering Siksha‘O’Anusandhan UniversityBhubaneswar751030India Department of Electrical Engineering Poornima College of EngineeringJaipur303903India Department of Physics Indian Institute of Technology-GuwahatiAssam781039India Robotics and Mechatronics Research Center Daegu Gyeongbuk Institute of Science and Technology(DGIST)Daegu42988South Korea

Lead-free piezoelectric ceramic is a promising material for energy harvesters,as they have superior electromechanical,ferroelectric,and piezoelectric *** addition,piezoelectric ceramics can be blended with polymer to achieve high-flexibility polymer-ceramic composites,providing mechanical robustness and *** this context,a new lead-free ferroelectric material,having the chemical formula SrTi_(2)O_(5)(STO),was synthesized using a high-temperature solid-state *** analyses of the structural,morphological,and electrical properties of the synthesized material were *** crystallizes with orthorhombic symmetry and space group of *** frequency and temperature-dependent dielectric parameters were evaluated,and impedance spectroscopy shed light on the charge *** PDMS-STO composites at different mass fraction of the STO were prepared using a solvent casting route,and a corresponding piezoelectric nanogenerator(PENG)was *** electrical output of the different PENG by varying massfractions of STO in PDMS and varying force were *** 15%(in mass)PENG device delivered the highest peak-to-peak voltage,current,and power density of 25 V,92 nA,and 0.64 mW@500 MU,*** biomechanical energy harvesting using the PENG device by daily human motions,bending of the device,and attaching the device to laboratory equipment was *** the PENG device was attached to the human throat region,and snoring signals were recorded.A classification model was designed employing the convolutional neural network(CNN)*** have been laid to differentiate between normal and abnormal snores,which could help the patient with screening and early disease detection,contributing to self-powered healthcare applications.

关键词： Lead-free Ferroelectric Nanogenerator Sleepdisorder

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Reply to comment on “Ferroelectric composite-based piezoelectric energy harvester for self-powered detection of obstructive sleep” by A. Tkach and O. Okhay

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Journal of Materiomics 2024年第5期10卷 1160-1164页

作者： Swati Panda Hyoju Shin Sugato Hajra Yumi Oh Wonjeong Oh Jeonghyeon Lee P.M.Rajaitha Basanta Kumar Panigrahi Jyoti Shukla Alok Kumar Sahu Perumal Alagarsamy Hoe Joon Kim Department of Robotics and Mechatronics Engineering Daegu Gyeongbuk Institute of Science and Technology(DGIST)Daegu 42988South Korea Department of Electrical Engineering Siksha‘O’Anusandhan UniversityBhubaneswar 751030India Department of Electrical Engineering Poornima College of EngineeringJaipur 303903India Department of Physics Indian Institute of Technology-GuwahatiAssam 781039India Robotics and Mechatronics Research Center Daegu Gyeongbuk Institute of Science and Technology(DGIST)Daegu 42988South Korea

In this contribution,we reply to comments made by Tkach et *** our publication *** 2023;9:*** main interest of our work is to synthesize a lead-free material,SrTi_(2)O_(5)(STO),and then utilize it in the formation of composites and finally design the piezoelectric nanogenerator(PENG)for self-powered sensor *** authors have observed the presence of piezoelectric voltage and current output from the *** authors humbly indicate that the PENG devices were poled using a DC poling setup as conditions mentioned in *** 2023;9:609(Panda et al.,2023)[1].The doping of STO into the PDMS increased from 2% to 20%(in mass).In this process,the piezoelectric output of the PENG device was observed to be highest for 15%(in mass)STO-PDMS ***,we agree with the comment raised by Tkach et al.,and further we have addressed the issues in a step-by-step response as follows.

关键词： Ferroelectric Lead-free Piezoelectric Polycrystalline

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Steady-State Analysis of the Constant Power Region in Distributed Maximum Power Point Tracking Architecture with Photovoltaic Applications

Steady-State Analysis of the Constant Power Region in Distri...

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2024 IEEE Energy Conversion Congress and Exposition, ECCE 2024

作者： Chu, Guanying Bu, Qinglei Yang, Meilin Xi'an Jiaotong-Liverpool University Department of Electrical Engineering Suzhou China Xi'an Jiaotong-Liverpool University Department of Mechatronics and Robotics Suzhou China

ISBN: (纸本)9798350376067

This study analyzes the steady-state characteristics of distributed maximum power point tracking (DMPPT) architecture in photovoltaic systems, focusing on full power processing (FPP) with series-connected direct current power optimizers (DCPOs). The decentralization approach of the FPP structure utilizes the independent DCPO for each PV module to solve mismatch issues. However, each PV-to-DCPO unit is not truly independent, and it is necessary to connect the output terminals of DCPO in series or parallel to meet the grid-connected voltage of the string-level inverter. The research examines the constant power region (CPR) of DCPO outputs and string-level performance under various mismatch conditions for boost and buck converter topologies. Considering practical constraints like duty cycle limitations, the study reveals that the existence and optimal string-level CPR width depend on environmental conditions and converter type. Severe mismatches can eliminate the optimal CPR in boost-based systems, while buck-based DCPOs generally maintain a positive CPR width, though extreme shading can significantly impact performance. These findings provide crucial insights into FPP-based DMPPT architecture limitations and emphasize the importance of considering real-world constraints in system design and evaluation. © 2024 IEEE.

关键词： Maximum power point trackers

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Implementation of lookup tables for different optimization strategies of semi-active car suspension system

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Journal of Vibroengineering 2025年第3期27卷 497-524页

作者： Čerškus, Aurimas Šešok, Nikolaj Bučinskas, Vytautas Department of Mechatronics Robotics and Digital Manufacturing Vilnius Gediminas Technical University Vilnius Lithuania

Road irregularities and various vehicle loads influence comfort and safety levels. Owing to these changes, the driver cannot quickly and easily find the best driving parameters. Control of damping in a semi-active suspension adjusts the damping process in the vehicle to minimize the acceleration of the crew. This ensures comfort for them, influencing the level of fatigue of the driver and safe driving. A theoretical analysis was implemented using a mathematical full-car model in Simulink/MATLAB. We performed a simulation of a vehicle with all passengers passing various artificially generated road profiles at different velocities. We optimized the damping coefficient for the maximum comfort level using one, two, or four damping values, implementing different optimization strategies. The obtained research results were finalized by the conclusions. © 2025 Aurimas Čerškus, et al.

关键词： Mathematical programming

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Investigations on the Design and Simulation of Smart Irrigation Robot for Nurseries 3

Investigations on the Design and Simulation of Smart Irrigat...

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3rd International Conference on Advances in Computing, Communication, Embedded and Secure Systems, ACCESS 2023

作者： Abhiram, B. Jha, Swati Sai Prasad, Y. Yogendra Dhanraj, Joshuva Arockia Ramkumar, V. Hindustan Institute of Technology and Science Centre for Automation & Robotics Department of Mechatronics Engineering Tamil Nadu Chennai India

ISBN: (纸本)9798350346169

The irrigation systems in nurseries can be the cause of various water supply errors- ranging from lack of sufficient water supply to over-watering and imbalance in the water pH levels. Based on the statistics recorded by the department of agriculture and farmers welfare, we have conducted we concluded that the water supply management and plant life maintenance are the major problems. Considering all these real-time errors, we have designed a smart irrigation robot functioning on the inputs from a group of soil moisture sensors which helps eliminate the monotonous task of monitoring and keeping records of the change in soil moisture. © 2023 IEEE.

关键词： Irrigation

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