基于MC9S12XS128模数混合式比例控制放大器的实验研究  

An Analog-Digital Hybrid Proportional Control Amplifier Based on MC9S12XS128

作　　者：强彦[1] 赵春丽 魏列江[1] 王亚强 李维 罗小梅[2] QIANG Yan;ZHAO Chun-li;WEI Lie-jiang;WANG Ya-qiang;LI Wei;LUO Xiao-mei(College of Energy and Power Engineering,Lanzhou University of Technology,Lanzhou 730050,China;China North Vehicle Research Institute,Beijing 100072,China)

机构地区：[1]兰州理工大学能源与动力工程学院,甘肃兰州730050 [2]中国北方车辆研究所,北京100072

出　　处：《测控技术》2021年第1期78-82,共5页Measurement & Control Technology

基　　金：国家自然科学基金资助项目(51765033)。

摘　　要：针对数字式比例控制放大器和模拟式比例控制放大器在实际工程应用中的不足,提出一种基于MC9S12XS128单片机的模数混合式比例控制放大器。其控制算法通过模数混合PID控制器来实现,单片机对模数混合PID控制器中数字电位器的值进行调节并记忆存储。利用Tina仿真软件,对模数混合式比例控制放大器电路进行了仿真。该电路已进行了实物测试。从仿真研究和实验测试可得,所设计的基于MC9S12XS128模数混合式比例控制放大器符合设计要求。研究结果为模数混合式比例控制放大器的设计开发提供了依据。Aiming at the shortcomings of digital proportional control amplifier and analog proportional control amplifier in practical engineering applications,an analog-digital hybrid proportional control amplifier based on MC9 S12 XS128 microcontroller is proposed.The control algorithm is realized by the analog-digital hybrid PID controller.The value of the digital potentiometer in the analog-digital hybrid PID controller is adjusted by the MCU and stored in memory.The circuit of the analog-digital hybrid proportional control amplifier was simulated with a Tina software.The circuit has been tested in practice.From the simulation research and experimental test,it can be concluded that the analog-digital hybrid proportional control amplifier based on MC9 S12 XS128 meets the design requirements.The research results provide a basis for the design and development of analogdigital hybrid proportional control amplifiers.

关 键 词：MC9S12XS128单片机 模数混合式比例控制放大器 模数混合PID控制器 数字电位器 

分 类 号：TP273[自动化与计算机技术—检测技术与自动化装置] TP211.3