2021 IEEE International Conference on Mechatronics (ICM)最新文献

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Localization of Wheeled Mobile Robots from Slip Ratio Estimation with Simple Model 基于滑移率估计的轮式移动机器人简单模型定位
2021 IEEE International Conference on Mechatronics (ICM) Pub Date : 2021-03-07 DOI: 10.1109/ICM46511.2021.9385671
Urara Kono, H. Fujimoto, Y. Hori
{"title":"Localization of Wheeled Mobile Robots from Slip Ratio Estimation with Simple Model","authors":"Urara Kono, H. Fujimoto, Y. Hori","doi":"10.1109/ICM46511.2021.9385671","DOIUrl":"https://doi.org/10.1109/ICM46511.2021.9385671","url":null,"abstract":"This paper proposes a localization method by estimating the slip ratio of wheeled mobile robots. The slip ratio estimator is designed based on the equations of motion. Input torque and encoders data are used, and driving force, vehicle velocity, and slip rate are estimated. This method can estimate the robot's position accurately without visual odometry (VO) when the driving resistance is obtained. When VO is available, even if the obtained driving resistance is different from its true value, instantaneous speed observer updates the resistance and the robot's velocity. The sampling time of torque is very short, which allows us to obtain position estimation much faster than VO. The experiments were conducted with a robot on alumina balls, and the proposed methods showed improvements in the accuracy of localization compared to wheel odometry.","PeriodicalId":373423,"journal":{"name":"2021 IEEE International Conference on Mechatronics (ICM)","volume":"87 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129286676","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Cascade Terminal Sliding Mode Control for PMSM with Nonlinear Disturbance Observer 带非线性扰动观测器的PMSM串级末端滑模控制
2021 IEEE International Conference on Mechatronics (ICM) Pub Date : 2021-03-07 DOI: 10.1109/ICM46511.2021.9385635
Xin Che, Dapeng Tian, P. Jia
{"title":"Cascade Terminal Sliding Mode Control for PMSM with Nonlinear Disturbance Observer","authors":"Xin Che, Dapeng Tian, P. Jia","doi":"10.1109/ICM46511.2021.9385635","DOIUrl":"https://doi.org/10.1109/ICM46511.2021.9385635","url":null,"abstract":"This paper investigates speed and current tracking control for permanent magnet synchronous motor (PMSM) based on terminal sliding mode control (TSMC) with nonlinear disturbance observer (NDOB). First, terminal sliding mode controllers with exponential reaching law are designed for both current loop and speed loop. The controller can achieve the current and speed error convergence in finite time, which can realize fast transient response. Meanwhile, nonlinear disturbance observers are implemented to reduce large chattering phenomenon caused by high switching gains of sliding mode control. The composite controller may take a smaller switching gain without sacrificing disturbance rejection performance. Simulation results show that the proposed method has excellent speed and current tracking performance and strong robustness.","PeriodicalId":373423,"journal":{"name":"2021 IEEE International Conference on Mechatronics (ICM)","volume":"41 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115498772","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Modular Drivetrains for Increased Performance and Reliability 模块化传动系统,提高性能和可靠性
2021 IEEE International Conference on Mechatronics (ICM) Pub Date : 2021-03-07 DOI: 10.1109/ICM46511.2021.9385597
Thomas Vandenhove, Reginald Diltoer, B. Lenaerts, Davidenko Os, K. Stockman, S. Schlimpert
{"title":"Modular Drivetrains for Increased Performance and Reliability","authors":"Thomas Vandenhove, Reginald Diltoer, B. Lenaerts, Davidenko Os, K. Stockman, S. Schlimpert","doi":"10.1109/ICM46511.2021.9385597","DOIUrl":"https://doi.org/10.1109/ICM46511.2021.9385597","url":null,"abstract":"This paper introduces the concept of modularity as an assembly of multiple, duplicated modules, where each module is a unique set of components. An industrial application, based on the weaving system, is simplified and modeled in a Matlab toolchain. A benchmark case is defined and then compared to an innovative modular architecture. Simulation results prove an improvement in the production rate (machine rpm) of 9.52% and the reliability of the system is also increased as the machine can continue operation in case of a single or multiple module failure(s). The innovative architecture performs as well or even better than the benchmark case under a single unit failure situation. The scalability is ensured by the automated simulation and design process and architectures can be quickly researched, tested and compared.","PeriodicalId":373423,"journal":{"name":"2021 IEEE International Conference on Mechatronics (ICM)","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121493196","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
Disturbance Observer Based Glocal Control of Mechatronics Systems: A Passivity Approach 基于扰动观测器的机电系统全局局部控制:一种无源方法
2021 IEEE International Conference on Mechatronics (ICM) Pub Date : 2021-03-07 DOI: 10.1109/ICM46511.2021.9385688
B. Nguyen, M. Kawanishi, Daichi Hasegawa, Kento Ohara, T. Narikiyo
{"title":"Disturbance Observer Based Glocal Control of Mechatronics Systems: A Passivity Approach","authors":"B. Nguyen, M. Kawanishi, Daichi Hasegawa, Kento Ohara, T. Narikiyo","doi":"10.1109/ICM46511.2021.9385688","DOIUrl":"https://doi.org/10.1109/ICM46511.2021.9385688","url":null,"abstract":"DOB has been one of the most popular robust control tools. However, there is still lack of practical design techniques for DOB-based applications, particularly for complex systems. To overcome this challenge, we investigate in this paper the possibility of DOB-based glocal control for a class of multi-actuator mechatronics systems possessing passivity property. In the lower-layer, each actuator is provided a DOB that locally compensates the external disturbances and model uncertainties. There exists in the upper-layer a global controller that controls an aggregation signal from the lower-layer. The aggregation and distribution channels connecting the lower/upper-layers can be treated as a middle one. Utilizing passivity theory, we rigorously obtain a condition for the global/local controllers to guarantee the stability of the overall system. We further investigate the other role of the middle-layer: attaining additional global objectives by optimization of the aggregation/distribution vectors.","PeriodicalId":373423,"journal":{"name":"2021 IEEE International Conference on Mechatronics (ICM)","volume":"63 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128309902","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Disturbance Rejection Based on Equivalent-Input-Disturbance Approach Using High-Order Filter 基于等量输入扰动的高阶滤波干扰抑制
2021 IEEE International Conference on Mechatronics (ICM) Pub Date : 2021-03-07 DOI: 10.1109/ICM46511.2021.9385599
Qi Mei, Jinhua She, Zhentao Liu, Yonghua Xiong, Wangyong He, Danyun Li
{"title":"Disturbance Rejection Based on Equivalent-Input-Disturbance Approach Using High-Order Filter","authors":"Qi Mei, Jinhua She, Zhentao Liu, Yonghua Xiong, Wangyong He, Danyun Li","doi":"10.1109/ICM46511.2021.9385599","DOIUrl":"https://doi.org/10.1109/ICM46511.2021.9385599","url":null,"abstract":"This paper presents an improved equivalent-input-disturbance (EID) approach to deal with exogenous disturbances. In this approach, an EID estimator that contains a high-order filter is used to estimate and compensate for the disturbances. The system design is based on the results of stability analysis. Simulation results of a position control system demonstrate the validity of the approach and its superiority over the conventional one.","PeriodicalId":373423,"journal":{"name":"2021 IEEE International Conference on Mechatronics (ICM)","volume":"41 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128786195","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Torque Ripple Reduction for PMSM based on PWM Pulse Merging Method for High Speed Range 基于高速范围PWM脉冲合并方法的PMSM转矩脉动抑制
2021 IEEE International Conference on Mechatronics (ICM) Pub Date : 2021-03-07 DOI: 10.1109/ICM46511.2021.9385630
Shona Noguchi, H. Fujimoto
{"title":"Torque Ripple Reduction for PMSM based on PWM Pulse Merging Method for High Speed Range","authors":"Shona Noguchi, H. Fujimoto","doi":"10.1109/ICM46511.2021.9385630","DOIUrl":"https://doi.org/10.1109/ICM46511.2021.9385630","url":null,"abstract":"Permanent magnet synchronous motors (PMSMs) are widely used because of their high efficiency and lower energy consumption. However, the motor noise and the vibration caused by the torque ripple is a well-known problem because of an imperfect sinusoidal flux distribution. To reduce the torque ripple, the current controller based on the perfect tracking control (PTC) is reported. Although it has improved the tracking performance of a current reference compared to the proportional-integral (PI) feedback control and the suppression effect, there is still room for improvement of the current control by reference value oversampling. Thus, we have proposed the pulse merging method that samples a reference value twice more than the conventional method to improve the current control and applied it to the torque ripple suppression at the high-speed range. The proposed method could suppress the torque ripple more than the PTC from the simulation results.","PeriodicalId":373423,"journal":{"name":"2021 IEEE International Conference on Mechatronics (ICM)","volume":"41 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116936922","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Basic Study on Analysis and Suppression of Inverse Response Caused by Feedforward Friction Compensation of Ball-screw-driven Stage 滚珠丝杠传动平台前馈摩擦补偿反响应分析与抑制的基础研究
2021 IEEE International Conference on Mechatronics (ICM) Pub Date : 2021-03-07 DOI: 10.1109/ICM46511.2021.9385642
Takumi Hayashi, H. Fujimoto, Yoshihiro Isaoka, Yuki Terada
{"title":"Basic Study on Analysis and Suppression of Inverse Response Caused by Feedforward Friction Compensation of Ball-screw-driven Stage","authors":"Takumi Hayashi, H. Fujimoto, Yoshihiro Isaoka, Yuki Terada","doi":"10.1109/ICM46511.2021.9385642","DOIUrl":"https://doi.org/10.1109/ICM46511.2021.9385642","url":null,"abstract":"Ball-screw-driven stages are often used as feed systems of machine tools. A problem of tracking control of the stages is rolling friction, which degrades tracking accuracy around the velocity reversal point and causes a large tracking error called a quadrant glitch. Although the model-based feedforward friction compensation effectively reduces the tracking error, the compensation often results in an inverse response, which is the tracking error in the direction opposite to the quadrant glitch. This study aims to provide an analysis and a suppression approach to the inverse response. First, the inverse response is analyzed through the simulations. Next, a suppression approach of the inverse response is proposed. In the proposed approach, a step input is injected and cancel the inverse response. The proposed approach is evaluated through the simulations and experiments.","PeriodicalId":373423,"journal":{"name":"2021 IEEE International Conference on Mechatronics (ICM)","volume":"66 1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128164128","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Multirate Feedforward Control based on Modal Form with Mode Selection Applied to Multi-Modal High-Precision Positioning Stage 基于模态形式与模态选择的多速率前馈控制在多模态高精度定位台上的应用
2021 IEEE International Conference on Mechatronics (ICM) Pub Date : 2021-03-07 DOI: 10.1109/ICM46511.2021.9385685
Masahiro Mae, W. Ohnishi, H. Fujimoto
{"title":"Multirate Feedforward Control based on Modal Form with Mode Selection Applied to Multi-Modal High-Precision Positioning Stage","authors":"Masahiro Mae, W. Ohnishi, H. Fujimoto","doi":"10.1109/ICM46511.2021.9385685","DOIUrl":"https://doi.org/10.1109/ICM46511.2021.9385685","url":null,"abstract":"Multirate feedforward control provides perfect tracking control for the desired state trajectory in the model. The aim of this paper is the analysis of multi rate feedforward control based on modal form with mode selection. The proposed approach is applied for a mechanical system that has several modes and a multi rate feedforward controller is designed depending on the mode selection. The approach is successfully applied to an 8th order motion system. The proposed approach improves the intersample behavior of tracking error compared with multi rate feedforward control based on controllable canonical form.","PeriodicalId":373423,"journal":{"name":"2021 IEEE International Conference on Mechatronics (ICM)","volume":"314 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133487676","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Skeleton-based visualization of poor body movements in a child's gross-motor assessment using convolutional auto-encoder 使用卷积自编码器对儿童大运动评估中不良身体运动的骨骼可视化
2021 IEEE International Conference on Mechatronics (ICM) Pub Date : 2021-03-07 DOI: 10.1109/ICM46511.2021.9385618
Satoshi Suzuki, Yukie Amemiya, Maiko Sato
{"title":"Skeleton-based visualization of poor body movements in a child's gross-motor assessment using convolutional auto-encoder","authors":"Satoshi Suzuki, Yukie Amemiya, Maiko Sato","doi":"10.1109/ICM46511.2021.9385618","DOIUrl":"https://doi.org/10.1109/ICM46511.2021.9385618","url":null,"abstract":"This paper deals with human activity recognition (AR), which is the basic technology for understanding human behavior and movement in the field of sensing applications for human support systems. Focusing on children's gross motor (GM) skills as an AR target, a new visualization method to point out children's poor body movements is presented. The visualization is achieved as anomaly detection by an autoencoder (AE) trained with good GM movements with a complete rating score, and poor limb motion in GM is detected as anomal points by the GM-AE which is combined with authors' previous GM-AR and AE. In preparation for the GM-AE, the previous dataset and data augmentation have been improved, and new GM-AR was completely realized with an identification accuracy of 99.3 % to 148 actual assessment patterns out of 200 theoretical assessment combinations of the GM assessment tool TGMD-3. Using appropriate preparations proven by the GM-AR stage, we investigated some deep learning conditions related to GM-AE. Finally, it was confirmed that the presented visualization method can emphasize the points that match the evaluation items of TGMD-3.","PeriodicalId":373423,"journal":{"name":"2021 IEEE International Conference on Mechatronics (ICM)","volume":"57 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130405437","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Adaptive Robust Force Control of an Underactuated Stance Leg Exoskeleton for Human Performance Augmentation 基于欠驱动姿态腿外骨骼的自适应鲁棒力控制
2021 IEEE International Conference on Mechatronics (ICM) Pub Date : 2021-03-07 DOI: 10.1109/ICM46511.2021.9385694
Shan Chen, Teng Han, Fangfang Dong, Jiang Han, Lei Lu, Haijun Liu
{"title":"Adaptive Robust Force Control of an Underactuated Stance Leg Exoskeleton for Human Performance Augmentation","authors":"Shan Chen, Teng Han, Fangfang Dong, Jiang Han, Lei Lu, Haijun Liu","doi":"10.1109/ICM46511.2021.9385694","DOIUrl":"https://doi.org/10.1109/ICM46511.2021.9385694","url":null,"abstract":"Wearable lower limb exoskeleton is a kind of human robot integrated system which can be used to augment the human performance when carrying heavy loads. In recent years, in order to further reduce the self-weight and energy consumption of systems, underactuated exoskeletons are proposed. However, the existed control methods are mainly proposed for fully actuated exoskeletons which are hardly to be applied for underactuated systems. This paper focuses on the precision human machine interaction force control of 3DOF underactuated stance leg exoskeleton system so that accurate human motion trajectory tracking can still be achieved in principle load bearing directions. Specifically, we assume the wearer can provide an appropriate amount of torque to ensure the rotation angle of the exoskeleton back moving in a bounded trajectory. Considering the holonomic constraint provided by the wearer, the 3DOF underactuated exoskeleton system is then transformed into a 2DOF fully actuated system. An adaptive robust cascade force control algorithm is then developed to deal with various parameter uncertainties and uncertain nonlinearities (modeling errors and external disturbances). Comparative Simulation results show that the proposed adaptive robust cascade force control algorithm can achieve high precision human-machine interaction force control in principle load bearing directions, and has strong performance robustness to various model uncertainties.","PeriodicalId":373423,"journal":{"name":"2021 IEEE International Conference on Mechatronics (ICM)","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125124501","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
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