A Kind of PWM Pneumatic Servo Control System——Modulation Methods and Dynamic Responses
一种PWM气动伺服控制系统调制方法和动态响应的研究作者机构：北京理工大学飞行器工程系
出 版 物：《Journal of Beijing Institute of Technology》 (北京理工大学学报（英文版）)
年 卷 期：1992年第1卷第1期
页 面：50-58页
学科分类：0711[理学-系统科学] 080704[工学-流体机械及工程] 07[理学] 081104[工学-模式识别与智能系统] 08[工学] 0807[工学-动力工程及工程热物理] 0811[工学-控制科学与工程] 071102[理学-系统分析与集成] 081103[工学-系统工程]
主 题：pulse width modulation pneumatic piston actuating mechanisms servo control servo valves friction vibration effect
摘 要：Vibrations or dither s are features of the PWM servo control system in their steady outputs. On the grounds of analyses and experiments of a PWM pneumatic servo control system, the paper puts forward four varieties of PWM modulation methods, and concludes on the relationship between dithers and the different methods, and then discusses the influence of friction to the dithers. Results from experiments regarding the dynamic and static responses on the given system support the theories presented.
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