| 卫星天线指向机构控制系统的设计与实现 |
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| 引用本文： | 姜迪开,刘刚,李光军.卫星天线指向机构控制系统的设计与实现[J].微电机,2011,44(8). |
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| 作者姓名： | 姜迪开 刘刚 李光军 |
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| 作者单位： | 北京航空航天大学仪器科学与光电工程学院,北京100191;新型惯性仪表与导航系统技术国防重点学科实验室,北京100191 |
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| 基金项目： | 国家民用航天科研专项重点项目(C1320062103) |
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| 摘 要： | 卫星天线指向机构是通讯卫星和中继卫星等航天器的关键部件之一.为了达到卫星天线指向机构的高精度大力矩控制,设计了一种基于DSPC31+ FPGA数字控制器的控制系统实现方案.该系统以分离器件搭建的轴角解码系统获取旋转变压器的位置信号,并采用矢量控制的方法驱动永磁同步电机.实验结果表明,本控制系统最大输出力矩可达到50 Nm.在带50 kgm2转动惯量的模拟负载时,定位误差小于±28″且运动过程平稳,实现了指向机构高精度大力矩控制,对于卫星综合性能的提高具有重要的意义与应用价值.
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| 关 键 词： | 轴角解码 矢量控制 高精度 大力矩 高可靠 |
Control System Design and Realization for Position Servo of Antenna Pointing Mechanism Based on DSP and FPGA |
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| JIANG Dikai,LIU Gang,LI Guangjun.Control System Design and Realization for Position Servo of Antenna Pointing Mechanism Based on DSP and FPGA[J].Micromotors,2011,44(8). |
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| Authors: | JIANG Dikai LIU Gang LI Guangjun |
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| Affiliation: | JIANG Dikai1,2,LIU Gang1,LI Guangjun1,2(1.School of Instrumentation Science and Optoelectronics Engineering,Beijing University of Aeronautics and Astronautics,Beijing 100191,China,2.Key Laboratory of Fundamental Science for National Defense of Novel Inertia Instrument and Navigation System Technology,China) |
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| Abstract: | The satellite antenna pointing mechanism is one of the key parts for the spacecraft such as the communication and relay satellites.A control system based on the digital controller DSPC31 and FPGA is introduced to realize the high precision and high torque control of the satellite antenna pointing mechanism.The system obtains the position signal of the resolver through the resolver-to-digital conversion system built by the separating devices,and drives the permanent magnet synchronous motor by the vector con... |
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| Keywords: | resolver-to-digital conversion vector control high precision high torque high reliability |
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