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Research and Design of multi- loop temperature controller

Author: JinJiYong
Tutor: WangShuDong
School: Lanzhou University of Technology
Course: Power Electronics and Power Drives
Keywords: DSP Data acquisition Smith Predictor Parameter Identification Incremental PID
CLC: TM571.6
Type: Master's thesis
Year: 2005
Downloads: 366
Quote: 7
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Abstract


With the rapid development of DSP technology for real-time processing with DSP devices have become a new focus of today's and future technology development . A wide range of applications due to the need for industrial process control , temperature controller . How to design a high control accuracy to meet the requirements of producing high-quality temperature controller has become one of the current research focus . Conventional the resistor industrial furnace as the background , design a DSP-based multi-loop temperature controller . Temperature control systems for time delay system , the time delay will cause system instability or reduce the performance of the system . Smith Predictor can theoretically solve the delay system control problem , but the controlled object parameter changes will have a negative impact on their effectiveness , to solve this problem , the conventional PID control method introduced with parameter self-tuning Smith Predictor . Conventional processor can not solve the problem of input and output of the system is multi- channel , short sampling period , the system uses the Model TMS320VC5402 DSP chip as the processor implements multiple temperature signal acquisition and control output . The simulation results show that the proposed method , the system transition process is relatively good , and can effectively inhibit the effects of pure delay . If further improvement of the system can be applied to most industrial and commercial applications which need temperature detection signal processing .

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CLC: > Industrial Technology > Electrotechnical > Electrical > Controllers,contactors, starters,solenoid > Controller > Special controller
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