电液随动系统 meaning in Chinese
electrohydraulic servo system
Examples
- Based on it , a new - style step - type electric - hydraulic servo is developed which simplifies the structure and improves the reliability of the governor , and the mathematical model and its stability control equation are obtained
在此基础上，提出一种全新的步进式电液随动系统，使调速器整机简单可靠；同时在建立该随动系统数学模型的基础上，得出了其稳定性控制方程。 - In order to guarantee the normal operation of hydroelectric generator unit , it is necessary to make a thorough test of the performance and characteristics of a governor before it is installed or after it is overhauled . to facilitate the test of the governor , a real - time dynamic simulator based on pcc for water turbine governing system was developed . it has three functions : simulating controlled objects ( pressure water conveying system , water turbine , generator and electric grid ) , simulating governor " s electro - hydraulic servo system and working as a real - time measuring system for governor
水轮机调速器是水轮发电机组一个很重要的自动化调节设备，它由调节器和电液随动系统组成，在调速器安装或者大修后都要对其性能和特性进行全面测试，为了方便对水轮机调速器的测试，特开发水力机组调速系统实时动态仿真仪，该仿真仪具有三种功能：对调速器调节对象(有压引水系统、水轮机、发电机和电网)进行仿真、对调速器电液随动系统与调节对象进行仿真和作为实时测试系统监测调速器的工作是否正常。 - According to the present problems and developing tendency of hydraulic turbine governor , four main issues of this field are studied in this paper . the content include hydraulic control system , frequency measurement unit , stability of the discrete control system , optimization of control parameters and self - adjusting pid control strategy based on fuzzy logic . several main achievement and results are obtained and shown as follows : the electric - hydraulic pilot valve driven by step - motor is firstly proposed , which solves the problem that the electric - hydraulic converter of hydraulic turbine governor hydraulic servo is prone to be stuck and blocked and improves the systemic stability greatly
本文根据水轮机调节领域存在的问题和发展趋势，对水轮机调速器的液压控制系统、频率测量环节、离散调节系统稳定性与调节参数最优整定以及适应式参数自调整pid控制策略进行了研究，得到以下主要成果和结论：首次提出了采用步进电机驱动的步进式电液引导阀，从根本上解决了水轮机调速器电液随动系统中存在的电液转换元件发卡、堵塞问题，使电液随动系统的可靠性大大提高。 - The codes of the software were developed after the mathematical models of controlled objects and electro - hydraulic servo system are successfully constructed . through the closed loop simulation test ( based on parameters of an actual hydroelectric power plant ) of the simulator linked with the pcc regulator , the effectiveness of the simulator software and pcc regulator software is confirmed
在建立调节对象和电液随动系统的数学模型后完成仿真仪软件的编制工作，并将仿真仪和微机调节器进行闭环对接，利用某真实电站的参数进行仿真试验，对仿真仪软件和微机调节器软件进行测试，验证其有效性。