液壓驅動單元 的英文怎麼說
中文拼音 [yèyāqūdòngdānyuán]
液壓驅動單元
英文
hydraulic drive unit-
There is difference frequency measurement requirement for every part of pid regulating, difference between dynamic quality and static quality in response time and accuracy. according to these, it use the interrupt functions and high - speed counter of the simens s7 - 200 plc cpu226 basic unit and some peripheral circuit to measure frequency ; in software designed, the procedure frame of hydraulic - turbine governor and disperse process of parallel pid are analyzed, an improved pid algorithm is adopted to realize a pid regulation mode with variable structure and parameters ; the mechanical liquid - pressure system of the hydraulic - turbine governor is with electric - hydraulic converter unit of step motor. according to the drive character of five phase of response step motor, a variable frequency regulated voltage driver unit is designed in order to realize interface between plc and driver of step motor
本文利用s7 - 200plc自身的特點設計了頻率測量單元,根據pid調節各個環節的特點,以及調速器動態特性、靜態特性對頻率測量的實時性和精度要求的不同,利用s7 - 200plc基本單元中內置的高速計數器以及相應的外圍放大整形、分頻電路,實現了水輪發電機組頻率的測量;在軟體上,對微機調速器的整個程序框架、並聯pid的離散化過程進行了分析,選用改進的pid演算法實現了變參數、變結構的pid調節模式;調速器的機械液壓隨動系統具有步進電機電液轉換元件,採用五相反應式步進電機,根據其驅動特性設計了變頻調壓驅動器,實現plc與步進電機驅動器之間數字介面。Based on comparison of several motor candidates, doubly salient permanent magnet ( dspm ) motor is a good choice for it ’ s outstanding performance. similar to conventional drive system, dspm brushless dc motor ( dspm - bldcm ) is composed of dspm motor and it ’ s controller. the controller is made up of three - phase full - bridge inverter, driver, dsp control unit and etc. for high power system, every switch of three - phase inverter is actually made up of four mosfets in parallel
在充分考慮國內外不同的液壓泵電動機的基礎上,本文選用了雙凸極永磁電機作為整個系統的電機本體,並配以電動機控制器(控制器包括三相橋式功率變換器、驅動電路、 dsp主控單元、電流采樣及預處理和位置采樣及預處理等主要部分)組成整個液壓泵電動機系統。The hydraulically actuating, electronically controlled variable valve actuator, the common rail hydraulical source and the electronic control unit have been designed and developed. the primary control strategies of the valve timing in different conditions have been discussed. the performance of the system has been researched deeply by experiments, from which, plenty of rules have been obtained, and the way to adjust valve timing, lift and duration has been put forward
研製了電控可變氣門系統的執行器? ?電控可變氣門驅動機構,設計了電控可變氣門系統的液壓驅動源? ?中壓共軌液壓源,開發了電控可變氣門系統的電子控制單元,實現了在不同工況下,氣門正時、氣門開啟持續期、氣門升程柔性的電子控制,並對不同工況下配氣正時的控制策略進行了初步探討。Plasticizing unit drove by hydraulic pressure motor, simple in structure and maintenance
液壓馬達直接驅動螺桿的塑化單元,結構簡單,維護簡單。In the hydraulic unit, it put a detailed description of it. the technic of hydraulic synchronic loop control were discussed
其中,對液壓驅動單元中主要、關鍵技術作了詳細的分析和說明。分享友人