| 基于石英晶体传感器的恒温槽温控系统的设计 |
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| 引用本文： | 朱小菲,李欣. 基于石英晶体传感器的恒温槽温控系统的设计[J]. 信息技术, 2008, 32(6) |
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| 作者姓名： | 朱小菲 李欣 |
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| 作者单位： | 哈尔滨理工大学计算中心,哈尔滨,150080 |
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| 摘 要： | 用于高精密温度特性测试的恒温槽,需要具有稳定、均匀的温度场,采用石英晶体温度传感器 (QTCS),PIC16F876微处理器和模糊PID控制算法,对温控系统进行了设计.给出了石英晶体温度传感器测温电路、PWM控制输出电路设计和利用Matlab模糊逻辑工具箱进行模糊控制器设计的过程.仿真和实验结果表明,此温控系统在较大的温度范围内具有响应快、精确度高、鲁棒性好的特点.实际运行结果表明:恒温槽的实际温度控制的范围为0℃～100℃,15min的波动度小于±0.05℃,可以很好地满足高精度温度特性测试的需求.
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| 关 键 词： | 恒温槽 石英晶体温度传感器 PIC16F877 模糊PID控制 石英晶体传感器 恒温槽 温控系统 模糊控制器设计 based temperature control system implementation 需求 精度 波动度 温度范围 温度控制 运行结果 鲁棒性 精确度 响应 实验 仿真 过程 模糊逻辑工具箱 |
Design and implementation of the temperature control system for thermostat based on QCTS |
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| ZHU Xiao-fei,LI Xin. Design and implementation of the temperature control system for thermostat based on QCTS[J]. Information Technology, 2008, 32(6) |
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| Authors: | ZHU Xiao-fei LI Xin |
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| Affiliation: | ZHU Xiao-fei,LI Xin(Computer Center,Harbin University of Science , Technology,Harbin 150080,China) |
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| Abstract: | Thermostat which is used in high accuracy temperature calibration requires stable,consistent temperature field.In order to satisfy the demand,the temperature control syaytem of the thermostat was designed and imp lemented by adopting quartz crystal temperature sensor(QCTS),microprocessor PIC16F876 and fuzzy PID control method.The circuit of QCTS temperature test and PWM output control were presented.The designing process of Fuzzy controller by using of Matlab Fuzzy control tool box were introduced.The resul... |
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| Keywords: | thermostat quartz crystal temperature sensor PIC16F877 fuzzy-PID control |
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