钢铁冶炼中的温度是一个时变性、非线性的控制对象,很难对其构建准确的模型,采用数学模型技术在很大程度上无法得到准确的控制结果。为此,提出一种新的钢铁冶炼中的分散控制系统(distributed control system,DCS)波动温度稳定控制技术,...钢铁冶炼中的温度是一个时变性、非线性的控制对象,很难对其构建准确的模型,采用数学模型技术在很大程度上无法得到准确的控制结果。为此,提出一种新的钢铁冶炼中的分散控制系统(distributed control system,DCS)波动温度稳定控制技术,给出钢铁冶炼炉DCS控制系统结构,介绍了钢铁冶炼中的DCS波动温度稳定控制原理,在PC机设定炉内最高温度后,下位机依据设定温度值令温度上升,通过模糊上升原理进行升温控制,达到设定温度值后,执行单神经元PID控制。将炉内温度偏差作为输入,将热电偶温度作为输出,通过单神经元PID技术进行DCS波动温度稳定控制。实验结果表明,所提方法稳定性和控制精度高。展开更多
Mongolian medicine(MM)is an important part of Mongolian culture.Exploration of MM can play a crucial role in the prevention and treatment of various diseases and can help provide better health care globally.In this ar...Mongolian medicine(MM)is an important part of Mongolian culture.Exploration of MM can play a crucial role in the prevention and treatment of various diseases and can help provide better health care globally.In this article,we gave a brief introduction to the origin and development of MM,the theoretical system of MM,the principles of Mongolian materia medica formula,the modern research on Mongolian materia medica and the quality control of Mongolian materia medica.The present situation and outlook of MM were also discussed.展开更多
文摘钢铁冶炼中的温度是一个时变性、非线性的控制对象,很难对其构建准确的模型,采用数学模型技术在很大程度上无法得到准确的控制结果。为此,提出一种新的钢铁冶炼中的分散控制系统(distributed control system,DCS)波动温度稳定控制技术,给出钢铁冶炼炉DCS控制系统结构,介绍了钢铁冶炼中的DCS波动温度稳定控制原理,在PC机设定炉内最高温度后,下位机依据设定温度值令温度上升,通过模糊上升原理进行升温控制,达到设定温度值后,执行单神经元PID控制。将炉内温度偏差作为输入,将热电偶温度作为输出,通过单神经元PID技术进行DCS波动温度稳定控制。实验结果表明,所提方法稳定性和控制精度高。
基金National Key R&D Program:Intergovernmental Cooperation in International Science and Technology Innovation(No.2021YFE011169)National Natural Science Foundation of China(No.81573535)+2 种基金National major science and technology project of‘‘Major New Drug Innovation”(No.20152X09501005)Natural Science Foundation of Beijing Municipality(No.7202109)2019‘‘Double First-class”Construction special project of Universities directly under undergraduate administration in Inner Mongolia Autonomous Region Mongolian Medicine research and innovation team construction project(No.190302)。
文摘Mongolian medicine(MM)is an important part of Mongolian culture.Exploration of MM can play a crucial role in the prevention and treatment of various diseases and can help provide better health care globally.In this article,we gave a brief introduction to the origin and development of MM,the theoretical system of MM,the principles of Mongolian materia medica formula,the modern research on Mongolian materia medica and the quality control of Mongolian materia medica.The present situation and outlook of MM were also discussed.