The Experts below are selected from a list of 32325 Experts worldwide ranked by ideXlab platform
Seiichiro Katsura - One of the best experts on this subject based on the ideXlab platform.
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Robust High Speed Position Servo System Considering Current & Voltage Limitation and Load Inertia Variation
IECON 2007 - 33rd Annual Conference of the IEEE Industrial Electronics Society, 2007Co-Authors: Masaki Sazawa, Kiyoshi Ohishi, Seiichiro KatsuraAbstract:A high speed position Servo System is important for performance improvement of motion control in several industry applications. It often has the desired position reference. An industrial Servo System has the limitation values based on each output of actuator and power amplifier. Hence, a high speed position Servo System should keep the tracking control for the desired position reference within the limitation values. Moreover, an industrial Servo System must realize the robust control against load torque and load inertia variation. An ordinary position Servo System has the complicated control structure caused by the triple minor control loops. On condition of both load inertia variation and the saturation caused by current & voltage limitation, an industrial Servo System sometimes has a large overshoot and an oscillated response. Therefore, for the desired quick position reference, it is difficult for a high speed position Servo System to keep the robust tracking control against load inertia variation within each limitation of motor current and motor voltage. In order to overcome this problem, this paper proposes a new robust high speed position Servo System considering current & voltage limitation and load inertia variation, which is based on disturbance observer. The experimental results confirm that the proposed System realizes the desired & quick & robust response keeping each limitation of speed, current and voltage on condition of both full load torque and three times load inertia variation.
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Robust High Speed Positioning Servo System Considering Saturation of Current and Speed
2006 IEEE International Conference on Industrial Technology, 2006Co-Authors: Masaki Sazawa, Takahiro Yamada, Kiyoshi Ohishi, Seiichiro KatsuraAbstract:A robust Servo System is important for performance improvement of motion control System in several industry applications. Generally, a high speed positioning Servo System consists of robust control Systems with integrator, such as PI controller. The industrial Servo System always has the limitation for the capacity of actuator and power amplifier. An ordinary industrial position Servo System often has the saturation of motor current and motor speed. It is difficult for the high speed positioning Servo System to keep the robust position control against the saturation of motor current and motor speed. Because, an ordinary position Servo System has the complicated control structure with many control loops. Hence, it sometimes has the large overshoot and the oscillated response by the limitation of motor current and motor speed. In order to overcome this problem, this paper proposes a new robust high speed positioning Servo System considering the saturation of torque current and motor speed. The experimental results show that the proposed robust high speed positioning Servo System the quick and stable position response for the saturation of motor current and motor speed.
Yang Ting - One of the best experts on this subject based on the ideXlab platform.
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Adaptive friction compensation of electromechanical Servo System based on LuGre model
2018 13th IEEE Conference on Industrial Electronics and Applications (ICIEA), 2018Co-Authors: Huang Jian, Zhang Xinhua, Wang Guan, Song Zhiyi, Yang TingAbstract:Aerospace electromechanical Servo System is a typical strongly nonlinear and coupling System, where the nonlinear friction is the main factor that impacts the performance. As the conventional closed loop controller can not meet the high performance requirements, an adaptive friction compensation method based on LuGre model is proposed in this paper. For the unknown dynamic friction parameters and load characteristics of the electromechanical Servo System, the forming principle and characteristics of the friction is analyzed. After that, the method is designed through Lyapunov stability analysis, a dual-closed loop observer is constructed to estimate the friction state variables and the friction model parameters are identified online. The experiment results show that the proposed compensation method can effectively inhibit the adverse influence of the friction on the Servo System, significantly improve the control precision of the System, and lay the foundation for the improvement of high dynamic tracking performance of the Servo System.
Li Min Kan - One of the best experts on this subject based on the ideXlab platform.
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Design of Permanent Magnet Synchronous Motor Servo System
Advanced Materials Research, 2014Co-Authors: Hao He, Jiao Yu Liu, Xian Xi Pan, Li Min KanAbstract:. The objective of this work is to improve the control performance by redesigning the permanent magnet synchronous motor Servo System .The vector control thought is used to control the permanent magnet synchronous motor. So it is easy to realize the torque current characteristic of linear. The design of the permanent magnet synchronous motor Servo System is first proposed. The hardware and software designs are realized in this paper, and it is subsequently verified experimentally. Experimental results show that the DSP controller for the permanent magnet synchronous motor Servo System has extensive applicability, high reliability and high performance price ratio.
Masaki Sazawa - One of the best experts on this subject based on the ideXlab platform.
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Robust High Speed Position Servo System Considering Current & Voltage Limitation and Load Inertia Variation
IECON 2007 - 33rd Annual Conference of the IEEE Industrial Electronics Society, 2007Co-Authors: Masaki Sazawa, Kiyoshi Ohishi, Seiichiro KatsuraAbstract:A high speed position Servo System is important for performance improvement of motion control in several industry applications. It often has the desired position reference. An industrial Servo System has the limitation values based on each output of actuator and power amplifier. Hence, a high speed position Servo System should keep the tracking control for the desired position reference within the limitation values. Moreover, an industrial Servo System must realize the robust control against load torque and load inertia variation. An ordinary position Servo System has the complicated control structure caused by the triple minor control loops. On condition of both load inertia variation and the saturation caused by current & voltage limitation, an industrial Servo System sometimes has a large overshoot and an oscillated response. Therefore, for the desired quick position reference, it is difficult for a high speed position Servo System to keep the robust tracking control against load inertia variation within each limitation of motor current and motor voltage. In order to overcome this problem, this paper proposes a new robust high speed position Servo System considering current & voltage limitation and load inertia variation, which is based on disturbance observer. The experimental results confirm that the proposed System realizes the desired & quick & robust response keeping each limitation of speed, current and voltage on condition of both full load torque and three times load inertia variation.
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Robust High Speed Positioning Servo System Considering Saturation of Current and Speed
2006 IEEE International Conference on Industrial Technology, 2006Co-Authors: Masaki Sazawa, Takahiro Yamada, Kiyoshi Ohishi, Seiichiro KatsuraAbstract:A robust Servo System is important for performance improvement of motion control System in several industry applications. Generally, a high speed positioning Servo System consists of robust control Systems with integrator, such as PI controller. The industrial Servo System always has the limitation for the capacity of actuator and power amplifier. An ordinary industrial position Servo System often has the saturation of motor current and motor speed. It is difficult for the high speed positioning Servo System to keep the robust position control against the saturation of motor current and motor speed. Because, an ordinary position Servo System has the complicated control structure with many control loops. Hence, it sometimes has the large overshoot and the oscillated response by the limitation of motor current and motor speed. In order to overcome this problem, this paper proposes a new robust high speed positioning Servo System considering the saturation of torque current and motor speed. The experimental results show that the proposed robust high speed positioning Servo System the quick and stable position response for the saturation of motor current and motor speed.
Huang Jian - One of the best experts on this subject based on the ideXlab platform.
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Adaptive friction compensation of electromechanical Servo System based on LuGre model
2018 13th IEEE Conference on Industrial Electronics and Applications (ICIEA), 2018Co-Authors: Huang Jian, Zhang Xinhua, Wang Guan, Song Zhiyi, Yang TingAbstract:Aerospace electromechanical Servo System is a typical strongly nonlinear and coupling System, where the nonlinear friction is the main factor that impacts the performance. As the conventional closed loop controller can not meet the high performance requirements, an adaptive friction compensation method based on LuGre model is proposed in this paper. For the unknown dynamic friction parameters and load characteristics of the electromechanical Servo System, the forming principle and characteristics of the friction is analyzed. After that, the method is designed through Lyapunov stability analysis, a dual-closed loop observer is constructed to estimate the friction state variables and the friction model parameters are identified online. The experiment results show that the proposed compensation method can effectively inhibit the adverse influence of the friction on the Servo System, significantly improve the control precision of the System, and lay the foundation for the improvement of high dynamic tracking performance of the Servo System.
