| 摘要: |
| 高功率密度电动伺服控制系统的性能、可靠性与控制系统结构、主电路功率开关器件的驱动和保护设计密切相关。针对当前大功率高功率密度伺服系统快速发展的迫切需求，为使伺服系统具有优异的控制性能，且保障高压功率开关器件能稳定、可靠的工作，提出一种基于数字信号处理器和可编程逻辑器件组合的多轴高性能电动伺服控制系统设计方案。重点研究了主电路功率开关器件IGBT的驱动电路和吸收保护电路结构及参数优化方法，并提出一种集隔离、驱动、保护一体化软硬相结合的双重过流保护方案，详细说明了各保护参数的计算方法，所设计的四轴驱动控制器功重比达5.2kW/kg，伺服系统功重比达0.49kW/kg。实验结果证明：该伺服驱动控制系统具有实时性强、动态响应快、功率器件驱动保护电路性能稳定、可靠性高等优点。 |
| 关键词: 数字信号处理器 高功率密度 伺服控制 吸收电路 |
| DOI： |
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| 基金项目: |
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| Research of Key Technique on High-Power Density Motor High Voltage Driver System |
| ZHANG Xin-hua,HUANG Jian,ZHANG Zhao-kai,WANG Hao-ming,DUAN Xiao-shua |
| (Beijing Institute of Automatic Control Equipment) |
| Abstract: |
| The performance and reliability of high-power density motor servo control system are really related with control system structure, driver and protection design of the main circuit power switch device.In view of the urgent demand of the rapid development of high-power density servo system, in order to improve the control performance of servo system, ensure the power switch device can be stable and reliable, a multi-axis servo control system design is proposed, which is based on digital signal processor (DSP) and field programmable gate array (FPGA).The research focus on the driving circuit of Insulated Gate Bipolar Transistor(IGBT) main circuit power switch device, absorbing protection circuit, improving parameters, and put forward a scheme of double current protection, which integrate functional units on insulating, driving, protecting, and bring out soft and hard combination set driven.Also，the research describe in detail the calculation methods of the various protection parameters.Meanwhile, the fore axis drive controller has power weight ratio of 5.2kW/kg, and the servo system has power weight ratio of 0.49kW/kg.The experimental results show that the servo control system has advantages of strong real-time, fast dynamic response, stable performance and high reliability. |
| Key words: DSP High-power density Servo control Absorption circuit |
