温度控制系统设计报告TEMPERATURE AUTOCONTROL SYSTEM中国·王文涛、志超、喻伟2009-8-8摘要本系统主要基于 DS18B20 和 51 单片机为核心来实现系统的温度自动化控制,通过使用 PID 算法和 PWM 脉宽调制实现温度的精确控制,由温度传感器返回温度值后与设定温度比较,经过单片机的处理后发出相应的控制信号使一定空间围的温度保持基本恒定,通过实际应用加深对系统设计和 PID 算法的理解,提高应用能力
关键词: PID 算法 DS18B20 温度控制 51 单片机Abstract:This system mainly based on DS18B20 and 51 single-chip microcomputer as the core to realize automation control system of temperature, through the use of PID algorithm and PWM pulse width modulation realize accurate temperature control of the temperature sensor, the temperature and the temperature returned after comparison, through the processing chip out the corresponding control signal after that certain space within the scope of the temperature is kept constant, through the actual application of the basic of system design and PID al