Study on the real-time high precision control of large quantity displacement actuators for extremely large telescope based on FPGA

doi:10.7523/j.issn.2095-6134.2011.5.005

›› 2011, Vol. 28 ›› Issue (5): 597-603.DOI: 10.7523/j.issn.2095-6134.2011.5.005

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Study on the real-time high precision control of large quantity displacement actuators for extremely large telescope based on FPGA

QI Yong-Jun, NI Ji-Jun

National Astronomical Observatories / Nanjing Institute of Astronomical Optics & Technology, Chinese Academy of Sciences, Nanjing 210042, China; Key Laboratory of Astronomical Optics & Technology, Nanjing Institute of Astronomical Optics & Technology, Chinese Academy of Sciences, Nanjing 210042, China; Graduate University, Chinese Academy of Sciences, Beijing 100049, China

Received:2010-09-14 Revised:2010-11-30 Online:2011-09-15

Abstract

Abstract:

We present a concurrent execution method for contral of large quantity displacement actuators for extremely large telescope based on FPGA technology, and the key is to build a control module which generates the control signals of displacement actuators. The construction and simulation using low-level verilog hardware language is described in detail, and the implementation of hardware and software systems is also described.

Key words: enormous telescope, FPGA, displacement actuator, concurrent execution, control module

CLC Number:

P111.2

QI Yong-Jun, NI Ji-Jun. Study on the real-time high precision control of large quantity displacement actuators for extremely large telescope based on FPGA[J]. , 2011, 28(5): 597-603.

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Study on the real-time high precision control of large quantity displacement actuators for extremely large telescope based on FPGA

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