基于嵌入式技术的地铁室内温度智能控制研究

Research on intelligent control of indoor temperature of subway based on embedded technology

地铁室内温度高精度稳态控制一直是一个难点,为此设计了基于嵌入式技术的地铁室内温度智能控制系统,首先采集地铁室内温度,通过数模转换器转换为数字信号,并计算温度冷端补偿数字量;ARM处理器依据温度补偿数字量获取实测温度值,采用粒子群优化PID控制器对温度进行智能控制,测试结果表明:该方法可高效精准控制温度,且稳定性高,不同人员站立密度时,能够合理控制室内温度。

High precision and steady-state control of subway indoor temperature has always been a difficulty.So an intelligent control system of subway indoor temperature based on embedded technology is designed;ARM processor obtains the measured temperature value according to the digital value of temperature compensation,and Particle Swarm Optimization PID controller is used to control the temperature intelligently.The test results show that this method can control the temperature efficiently and accurately,and has high stability,and can reasonably control the indoor temperature when different personnel stand density.