Position following control system for the dome based on TMS320F2812

Yang Mi; Jingrong Zhao; Yanfeng Qiao

doi:10.1117/12.664549

2 May 2006 Position following control system for the dome based on TMS320F2812

Yang Mi, Jingrong Zhao, Yanfeng Qiao

Proceedings Volume 6042, ICMIT 2005: Control Systems and Robotics; 60420I (2006) https://doi.org/10.1117/12.664549
Event: ICMIT 2005: Merchatronics, MEMS, and Smart Materials, 2005, Chongqing, China

Abstract

A position following control system was discussed to synchronize the rotational position of the dome with that of the theodolite. There were two loops in the servo control system. Open loop control was for speed adjustment, while closed loop control was for position following control. The core controller of the servo control system adopted TMS320F2812 DSP (Digital Signal Processing) chip and an absolute type encoder was used as a position feedback unit. A converter DA8562 converted the digital angular position calculated in DSP to an analogy voltage to control the dome rotation through a series of devices such as frequency conversion actiyator, servomotor and gear case. The experimental results show that the system synchronous following error less than ±2° at 0.1°/s to 35°/s.

Citation Download Citation

Yang Mi, Jingrong Zhao, and Yanfeng Qiao "Position following control system for the dome based on TMS320F2812", Proc. SPIE 6042, ICMIT 2005: Control Systems and Robotics, 60420I (2 May 2006); https://doi.org/10.1117/12.664549

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