센서학회지 (Journal of Sensor Science and Technology)

  • 제24권6호
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  • Pages.412-418
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  • 2015
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  • 1225-5475(pISSN)
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  • 2093-7563(eISSN)
한국센서학회 (The Korean Sensors Society)
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온도 안정화 전달함수 도출 및 이의 시뮬레이션에 의한 PID 계수 결정에 관한 연구

A Study on Determination of PID Coefficients by Deriving Temperature Stabilization Transfer Function and it's Simulation

  • 엄진섭 (강원대학교 IT대학 전자공학과)
  • Eom, Jinseob (Department of Electronics Engineering, The School of Information Technology, Kangwon National University)
  • 투고 : 2015.09.04
  • 심사 : 2015.11.25
  • 발행 : 2015.11.30
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초록

In this paper, a new method for obtaining PID coefficients which are essential to a temperature stabilization process has been proposed. This method starts from measuring the open loop transfer function of the module, then the closed loop transfer function embodying PID control can be produced based on this. Finally, the simulations using a few PID coefficients and the performance analysis for those results provide the best PID coefficients which are effective in a fast setting to a target temperature, a less current needed, and less deviation from steady state. The measurement using the derived PID coefficients, $K_p=1.6$,$K_i=0.8$,$K_d=0.3$ showed $T_s=7.4[sec]$, %OS = 16, and stabilization within ${\pm}0.02[^{\circ}C]$ for several hours. In addition to light sources like SOA, the proposed method can be utilized for any device needs temperature stabilization.

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참고문헌

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