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浏览/检索结果: 共15条，第1-10条 帮助 条数/页： 5101520253035404550556065707580859095100 排序方式： 请选择题名升序题名降序提交时间升序提交时间降序作者升序作者降序发表日期升序发表日期降序 Sliding Mode Control in Power Converters and Drives: A Review 期刊论文  OAI收割 IEEE/CAA Journal of Automatica Sinica, 2022, 卷号: 9, 期号: 3, 页码: 392-406 作者:  Ligang Wu;  Jianxing Liu;  Sergio Vazquez;  Sudip K. Mazumder   |  收藏  |  浏览/下载：22/0  |  提交时间：2022/03/09 Motor drive  power electronics systems  sliding mode control   The Key Technology of Large Telescope Tracking System Based on Integrated Super-low Speed Bearingless Motor 会议论文  OAI收割 SPIE Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation III（Vol. 10706）, Austin, Texas, United States, 2018-6-10 作者:  Changzhi Ren;  XiajieZhang;  JinXu;  XiaoliSong;  ZhongyuYue   |  收藏  |  浏览/下载：50/0  |  提交时间：2019/02/12 Super-low speed bearingless motor  Active bias magnetic suspension bearing  Suspension stiffness  Large telescope tracking system  Double redundant drive system   A Design of High-precision BLDCM Drive with Bus Voltage Protection 会议论文  OAI收割 Changchun, PEOPLES R CHINA, 2017-07-23 作者:  Lian Xuezheng(廉学正);  Wang Haitao(王海涛);  Xie Meilin(谢梅林);  Huang Wei(黄伟);  Li Dawei(李大伟)   |  收藏  |  浏览/下载：27/0  |  提交时间：2018/03/28 Frequency Multiplication  Bus Voltage Protection  Balance Wheel  Bldc Motor Drive   Design of a High-speed Long-stroke Heavy-load Magnetically Suspended Door System 会议论文  OAI收割 AUG 27-28, 2014 作者:  Huang, Binbin;  Zhang, Chi;  Liao, Youyong;  Huang, BB   |  收藏  |  浏览/下载：23/0  |  提交时间：2018/01/12 Automatic Door System  Direct Drive  High Speed  Heavy Load  Linear Synchronous Motor  Long Stroke  Low Wear  Magnetically Suspended   LABTM control system based on FPGA (EI CONFERENCE) 会议论文  OAI收割 2nd International Conference on Mechatronics and Applied Mechanics, ICMAM 2012, December 8, 2012 - December 9, 2012, Taiwan 作者:  Wang Y.;  Yu P.;  Yu P.;  Wang Y.;  Wang Y. 收藏  |  浏览/下载：152/0  |  提交时间：2013/03/25 This paper presents the digital PI control method for design and simulation of a high precision limited angle brushless torque motor control system in Field Programmable Gate Array device (FPGA). The direct drive structures which are widely applied in many servo control fields. Matlab Xilinx System GeneratorR toolbox based on Fixed-Point Arithmetic is used to design the digital PI controller using DSP architecture  plot the responses of the control system and generate the VHDL source code. The control system model consists of a digital PI  a real LABTM  and a real absolute Inductosyn  encoder to rpm and position blocks. Through loading generated codes in process of the simulation that built by the digital discrete model  it is verified that the rising time of current loop is only 1.2ms  and rate loop is 8ms  overshoot is rarely 4.2%. Finally  the comprehensive positioning accuracy of system can reach up to 5 arc sec  and the rate jitter achieves 5% with the 4 arc sec accuracy absolute Inductosyn. (2013) Trans Tech Publications  Switzerland.   Synchronous Redundant Control Algorithm in The Telescope Drive System 会议论文  OAI收割 Amsterdam, Netherlands, 2012-7-1 作者:  SongXiaoli;  XuJin;  LiXiaoyan;  Ren Changzhi;  Niuyong 收藏  |  浏览/下载：30/0  |  提交时间：2014/01/12 Direct drive  Synchronous Control  Redundant Control  redundant unit permanent magnet synchronous motor (RUPMSM)   Design and Control of One Precise Tracking Simulation Bed for Chinese 20/30 Meter Optic/Infrared Telescope 会议论文  OAI收割 Amsterdam, Netherlands, 2012-7-1 作者:  Li Aihua;  SongXiaoli;  Zhang Zhenchao;  Lixiaoyan;  RenChangzhi 收藏  |  浏览/下载：33/0  |  提交时间：2014/01/09 30 meter telescope  precise tracking simulation bed  direct drive  redundant unit permanent magnet synchronous motor (RUPMSM)  multiphase vector control   A New Design of Large Aperture Telescope Drive System 会议论文  OAI收割 Changchun, China, 2011-6-17 作者:  Wang Daxing;  Zhang Zhenchao;  Li Xiaoyan 收藏  |  浏览/下载：23/0  |  提交时间：2014/01/09 drive system  permanent magnetic alternating current motor  segment motor  large aperture telescope  intelligent control method  Muti-motor synchronizing   Design of motion adjusting system for space camera based on ultrasonic motor (EI CONFERENCE) 会议论文  OAI收割 International Symposium on Photoelectronic Detection and Imaging 2011: Space Exploration Technologies and Applications, May 24, 2011 - May 26, 2011, Beijing, China 作者:  Sun Z. 收藏  |  浏览/下载：84/0  |  提交时间：2013/03/25 Drift angle is a transverse intersection angle of vector of image motion of the space camera. Adjusting the angle could reduce the influence on image quality. Ultrasonic motor (USM) is a new type of actuator using ultrasonic wave stimulated by piezoelectric ceramics. They have many advantages in comparison with conventional electromagnetic motors. In this paper  some improvement was designed for control system of drift adjusting mechanism. Based on ultrasonic motor T-60 was designed the drift adjusting system  which is composed of the drift adjusting mechanical frame  the ultrasonic motor  the driver of Ultrasonic Motor  the photoelectric encoder and the drift adjusting controller. The TMS320F28335 DSP was adopted as the calculation and control processor  photoelectric encoder was used as sensor of position closed loop system and the voltage driving circuit designed as generator of ultrasonic wave. It was built the mathematic model of drive circuit of the ultrasonic motor T-60 using matlab modules. In order to verify the validity of the drift adjusting system  was introduced the source of the disturbance  and made simulation analysis. It designed the control systems of motor drive for drift adjusting system with the improved PID control. The drift angle adjusting system has such advantages as the small space  simple configuration  high position control precision  fine repeatability  self locking property and low powers. It showed that the system could accomplish the mission of drift angle adjusting excellent. 2011 SPIE.   Linear auto disturbance rejection controller for vector-controlled PMSM drive system (EI CONFERENCE) 会议论文  OAI收割 2011 International Conference on Transportation, Mechanical, and Electrical Engineering, TMEE 2011, December 16, 2011 - December 18, 2011, Changchun, China 作者:  Zhang K.;  Zhang K.;  Zhang K.;  Zhang K. 收藏  |  浏览/下载：36/0  |  提交时间：2013/03/25 A high-performance robust controller of permanent-magnet synchronous motor (PMSM) drive with cascade linear auto disturbance rejection controller (LADRC) is proposed. The robust controller combines the simplicity of linear controller and the merit of the auto disturbance rejection controller (ADRC). First  a systematic mathematical model is derived according to the required specifications for the PMSM drive system. Then  for the model  this paper designs the controller that includes three first-order LADRCs. The controller does not rely on the accurate mathematical model of motor. The controller can estimate and compensate the disturbances that include load disturbance and systematic parameters changes by the linear extended state observer (LESO). Simulation results show that compared with conventional PI controller  the proposed approach has strong robustness. In the same load disturbance  the speed fluctuation of the LADRCs accounts for 30% of PI controller. 2011 IEEE.