Method for improving the low-speed performance of an optoelectronic tracking system

Xiaoquan Han; Tao Chen; Juan Chen

doi:10.1117/12.521764

2 September 2003 Method for improving the low-speed performance of an optoelectronic tracking system

Xiaoquan Han, Tao Chen, Juan Chen

Proceedings Volume 5253, Fifth International Symposium on Instrumentation and Control Technology; (2003) https://doi.org/10.1117/12.521764
Event: Fifth International Symposium on Instrumentation and Control Technology, 2003, Beijing, China

Abstract

The tracking servo system of an optoelectronic tracking system that is driven by unipolar PWM power amplifier has the features of high efficiency, wide speed regulation range. But the phenomena such as instability at low-speed and positioning exist in the system because of dead-zone nonlinearity, which result in steady error and low tracking precision. A method for improving low-speed performance of an optoelectronic Tracking System is given in the paper: using bipolar PWM power amplifier to replace unipolar PWM power amplifier and we did some comparative experiments. The experimental results showed that using bipolar PWM power amplifier to replace unipolar PWM power amplifier is an effective method for improving the low-speed performance of the optoelectronic tracking system.

Citation Download Citation

Xiaoquan Han, Tao Chen, and Juan Chen "Method for improving the low-speed performance of an optoelectronic tracking system", Proc. SPIE 5253, Fifth International Symposium on Instrumentation and Control Technology, (2 September 2003); https://doi.org/10.1117/12.521764

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