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WEI Fupeng, QIAO Tiezhu. Design of PLC control system of uniform velocity temperature rise based on idea of devide and conquer[J]. Journal of Mine Automation, 2015, 41(11): 78-80. DOI: 10.13272/j.issn.1671-251x.2015.11.019
Citation: WEI Fupeng, QIAO Tiezhu. Design of PLC control system of uniform velocity temperature rise based on idea of devide and conquer[J]. Journal of Mine Automation, 2015, 41(11): 78-80. DOI: 10.13272/j.issn.1671-251x.2015.11.019
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Design of PLC control system of uniform velocity temperature rise based on idea of devide and conquer

  • Ministry of Education Key Lab of Advanced Transducers and Intelligent Control System, Taiyuan University of Technology, Taiyuan 030024, China

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  • PLC control system of uniform velocity temperature rise based on idea of devide and conquer was designed based on considerations of practicability, low-cost and high-precision control. The system devided the heating process into multi sub-units, and calculated heating time and set temperature for each sub-unit, and finally execute heating sub-unit successively. Least squares method was used to fit temperature curve, and the error of temperature rise rate between fitting temperature curve and theoretical temperature curve was 3.62%, it indicated that the system has high precision control and small error of temperature rise rate.
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