| 徐立娟,雷翔霄.基于遗传算法的热风回流焊温度控制系统设计[J].高技术通讯(中文),2019,29(10):1021~1024 |
| 基于遗传算法的热风回流焊温度控制系统设计 |
| Design of temperature intelligent PID control system of reflow soldering machine based on genetic algorithm |
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| DOI：10.3772/j.issn.1002-0470.2019.10.010 |
| 中文关键词: 遗传算法； 温度控制； 优化； 智能PID |
| 英文关键词: genetic algorithm, temperature control, optimization, intelligent PID |
| 基金项目: |
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| 中文摘要: |
| 为实现热风回流焊温度的准确控制，设计了将PID控制与遗传算法相结合的复合控制算法。采用STM32单片机、热电偶和固态继电器分别作为控制处理器、温度感知器和温控执行机构来设计温度控制系统，构建了智能PID控制算法来动态调整控制过程中的3个参数。实验结果表明，该系统在目标温度为90℃时的控制精度为±1℃，超调量低于6%，满足了热风回流焊机温度控制要求，具有良好的工程应用前景。 |
| 英文摘要: |
| In order to achieve the control of the temperature of reflow soldering machine,a temperature control system combing PID control and genetic algorithm is designed.The temperature control system is designed through taking the single-chip microcomputer of STM32,thermocouple and solid state relay as the control processor, temperature sensor and temperature control actuator respectively. An intelligent PID control algorithm is constructed to dynamically adjust three parameters of PID in the control process.The result shows that when the target temperature is 90℃, the temperature control accuracy is ±1℃, and the overshoot is less than 6%. It can meet the requirement of the temperature control of reflow soldering machine. The designed system has a prospect in enginnering application. |
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