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针对PID算法在实际控制工程中的广泛应用,由此涉及到的实验实践环节多,硬件投入大。本文针对这些特点,以单片机应用技术和自动控制相关课程的实验教学为背景,选择Proteus仿真平台,以AT89C52单片机作为控制核心,采用电阻丝模拟温度变化,通过PID算法和PWM控制技术,完成了温度控制系统的设计与仿真。论文进行硬件电路设计和软件编程仿真,实验结果表明该温度控制系统稳定性好,响应速度快,控制效果良好。
Aimed at the wide application of PID algorithm in practical control engineering, the experimental practice involved involves more hardware investment. In view of these characteristics, taking the experimental teaching of SCM application and automatic control related courses as the background, we choose the Proteus simulation platform, take the AT89C52 microcontroller as the control core, use the resistance wire to simulate the temperature change, and through the PID algorithm and PWM control technology, Design and Simulation of Control System. The thesis carries on hardware circuit design and software programming simulation. The experimental results show that the temperature control system has good stability, fast response and good control effect.