音圈電機直驅(qū)水液壓節(jié)流控制閥仿真與試驗
發(fā)布時間:2018-05-18 03:15
本文選題:水液壓控制閥 + 音圈電機; 參考:《煤炭學報》2017年S1期
【摘要】:水的黏度低,潤滑和密封問題突出,水液壓控制閥閥芯上所受的非線性力大,采用傳統(tǒng)的電機械轉換器,性能與油壓元件差距大。音圈電機體積小,頻響和控制精度高,具有較大輸出力和輸出位移,利用音圈電機驅(qū)動水液壓控制閥,能有效地對閥芯位移進行位置控制。設計了具有直線軸承導向和閥芯位移反饋的新型音圈電機直驅(qū)水液壓節(jié)流控制閥,在音圈電機數(shù)學模型和位置控制研究的基礎上,基于AMESim建立了音圈電機直驅(qū)水液壓節(jié)流控制閥系統(tǒng)仿真模型。仿真與試驗結果表明,控制閥具有較高的線性度和較大的流量調(diào)節(jié)范圍,控制精度高,能夠滿足水液壓傳動系統(tǒng)高精度控制的應用需求。
[Abstract]:The water viscosity is low, the lubrication and sealing problems are prominent, the nonlinear force on the valve core of the water hydraulic control valve is large, and the performance of the traditional electromechanical converter is far from that of the oil pressure element. The voice coil motor has the advantages of small volume, high frequency response and high control precision, large output force and output displacement. Using the voice coil motor to drive the water hydraulic control valve can effectively control the position of the valve core displacement. A new type of direct drive hydraulic throttle control valve with linear bearing guide and spool displacement feedback is designed. Based on the research of mathematical model and position control of voice coil motor, a new type of hydraulic throttle control valve is designed. The simulation model of hydraulic throttle control valve system for direct drive of voice coil motor is established based on AMESim. The simulation and test results show that the control valve has a high linearity, a large flow regulation range and a high control accuracy, which can meet the application requirements of high precision control of hydraulic transmission system.
【作者單位】: 大連海事大學交通運輸裝備與海洋工程學院;
【基金】:國家自然科學基金資助項目(51475064,51275063) 遼寧省高等學校優(yōu)秀人才支持計劃資助項目(LJQ2015012)
【分類號】:TH137.52
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