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Volume 28 Issue 2
Sep.  2013
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Citation:
shu

The study of constant temperature and current control system for SLED

  • 1.

    Department of Physics, Dalian University of Technology, Dalian 116024, China

  • Received Date: 2003-04-01
    Accepted Date: 2003-05-19
  • The stability of optical sources is required in many fiber optic sensor systems.This paper describes a high precision constant temperature and constant current control system for SLED, which is based on a singlechip computer.The system is able to control the temperature variation within ±0.01℃ and current drift under ±0.02mA by utilizing PID control algorithm, which meets the demands of the reliability and stability of the optical sources for sensor systems.
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  • [1]

    WANG D N,NING Y N,PALMER A W et al.IEEE Photon Technol Lett,1994,6(7):855～857.
    [2] 李川,张以谟,刘铁根 et al.传感技术学报,2001(2):91～95.
    [3] 黄惟一,胡生清.控制技术与系统.北京:机械工业出版社,2002.66～80.
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  • 1. 

    沈阳化工大学材料科学与工程学院 沈阳 110142

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The study of constant temperature and current control system for SLED

  • 1. Department of Physics, Dalian University of Technology, Dalian 116024, China
  • Received Date: 2003-04-01
  • Accepted Date: 2003-05-19
  • Available Online: 2004-03-25

Abstract: The stability of optical sources is required in many fiber optic sensor systems.This paper describes a high precision constant temperature and constant current control system for SLED, which is based on a singlechip computer.The system is able to control the temperature variation within ±0.01℃ and current drift under ±0.02mA by utilizing PID control algorithm, which meets the demands of the reliability and stability of the optical sources for sensor systems.

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