Considering some characteristics of large-scale standing quench furnace, such as great heat inertia, evident time lag, strong coupling influence, hard to establish exact mathematical models of plant and etc, an artifi...Considering some characteristics of large-scale standing quench furnace, such as great heat inertia, evident time lag, strong coupling influence, hard to establish exact mathematical models of plant and etc, an artificial intelligent fuzzy control algorithm is put forward in this paper. Through adjusting the on-off ratio of electric heating elements, the temperature in furnace is controlled accurately. This paper describes structure and qualities of the large-scale standing quench furnace briefly, introduces constitution of control system, and expounds principle and implementation of intelligent control algorithm. The applied results prove that the intelligent control system can completely satisfy the technological requirements. Namely, it can realize fast increasing temperature with a little overshoot, exact holding temperature, and well-distributed temperature in quench furnace. It has raised the output and quality of aluminum material, and brought the outstanding economic and social benefits.展开更多
为解决绣片储存在高温、高湿环境中出现的绣线变色、绣布破损问题,设计了一个绣片柜模糊PID(Proportional Integral Derivative)温湿度控制系统。采用单片机STM32、风扇等元件共同构建硬件控制系统。通过将模糊PID控制温湿度值作为输入...为解决绣片储存在高温、高湿环境中出现的绣线变色、绣布破损问题,设计了一个绣片柜模糊PID(Proportional Integral Derivative)温湿度控制系统。采用单片机STM32、风扇等元件共同构建硬件控制系统。通过将模糊PID控制温湿度值作为输入变量,脉冲宽度调制(PWM)红外管和风扇转速作为输出变量,实现对存储环境中温湿度的控制;使用矩阵实验室软件Matlab对模糊PID控制进行仿真分析。结果表明,与传统PID控制相比,加入模糊控制后,对温湿度的超调量分别由18.75%和15.34%降低至2.51%和2.46%,并且系统不易受外界干扰,能够快速稳定运行。以上结果说明模糊PID控制满足绣片储存的温湿度环境要求。展开更多
基金Supported by The National Natural Science Foundation of China (No. 59835170).
文摘Considering some characteristics of large-scale standing quench furnace, such as great heat inertia, evident time lag, strong coupling influence, hard to establish exact mathematical models of plant and etc, an artificial intelligent fuzzy control algorithm is put forward in this paper. Through adjusting the on-off ratio of electric heating elements, the temperature in furnace is controlled accurately. This paper describes structure and qualities of the large-scale standing quench furnace briefly, introduces constitution of control system, and expounds principle and implementation of intelligent control algorithm. The applied results prove that the intelligent control system can completely satisfy the technological requirements. Namely, it can realize fast increasing temperature with a little overshoot, exact holding temperature, and well-distributed temperature in quench furnace. It has raised the output and quality of aluminum material, and brought the outstanding economic and social benefits.
文摘为解决绣片储存在高温、高湿环境中出现的绣线变色、绣布破损问题,设计了一个绣片柜模糊PID(Proportional Integral Derivative)温湿度控制系统。采用单片机STM32、风扇等元件共同构建硬件控制系统。通过将模糊PID控制温湿度值作为输入变量,脉冲宽度调制(PWM)红外管和风扇转速作为输出变量,实现对存储环境中温湿度的控制;使用矩阵实验室软件Matlab对模糊PID控制进行仿真分析。结果表明,与传统PID控制相比,加入模糊控制后,对温湿度的超调量分别由18.75%和15.34%降低至2.51%和2.46%,并且系统不易受外界干扰,能够快速稳定运行。以上结果说明模糊PID控制满足绣片储存的温湿度环境要求。
