光学与光电技术, 2023, 21 (6): 0053, 网络出版: 2024-02-29  

光电装备伺服系统反馈能量问题的分析与解决方法

Analysis and Solutions of Feedback Energy Problem in Optoelectronic Equipment Servo Sytem
作者单位
华中光电技术研究所- 武汉光电国家研究中心, 湖北 武汉 430223
摘要
光电装备伺服系统因减速制动会产生反馈能量, 生成泵生电压从而引发电源过压保护等一系列问题, 采用传统的能量耗散方法难以有效解决。针对反馈能量引发的泵升电压问题, 从伺服系统的软、硬件两个方面进行了研究与分析, 探讨了伺服系统的反馈能量作用机理, 从伺服供电电源、伺服驱动电路、控制参数等方面提出了几种处理反馈能量、解决泵升电压问题的有效方法。提出了一种新的送零控制方式, 泵生电压抑制率达74.7%。基于一种全桥式驱动电路, 利用反馈能量实现了电机快速制动, 并同时消除了泵升电压。对光电装备伺服系统的调试、试验工作, 具有实际工程指导意义。
Abstract
The photoelectric equipment servo system will generate feedback energy due to deceleration braking and generate pump lift voltage, which will cause power supply overvoltage protection. Traditional energy dissipation methods are difficult to effectively solve. This paper studies and analyzes the pump lift voltage problem caused by feedback energy from two aspects: the software and hardware of the servo system. The mechanism of feedback energy action of the servo system is discussed, and several effective methods to deal with the feedback energy are put forward. The pump lift voltage problem from the aspects of servo power supply, servo drive circuit, control parameters are solved. A new zero feeding control method is proposed, with a pump lift voltage suppression rate of 74.7%. Based on a full-bridge drive circuit, the rapid braking of the motor is realized by using the feedback energy, and the pump lift voltage is eliminated at the same time. The debugging and test of the photoelectric equipment servo system has practical engineering guiding significance.
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高艳梅, 李为民, 马骏. 光电装备伺服系统反馈能量问题的分析与解决方法[J]. 光学与光电技术, 2023, 21(6): 0053. 高艳梅, 李为民, 马骏. Analysis and Solutions of Feedback Energy Problem in Optoelectronic Equipment Servo Sytem[J]. OPTICS & OPTOELECTRONIC TECHNOLOGY, 2023, 21(6): 0053.

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