position and speed mode 中文意思是什麼
position and speed mode
解釋
位置和速度模式-
Several mode of the subdividing drive are integrated in one system. so the control become multiplex. the displacement can be divided to whole step part and microstep part. microstep part is used to satisfy the precision of position, while whole step part is used to satisfy the speed of position
實現多重細分和變細分調速，提高了細分驅動的靈活性和可選擇性；根據整步位移無控制誤差，將點位行程拆分為整步位移部分和滿足定位精度的微步距位移部分，分別以不同的細分數運行同時滿足點位控制的速度與精度要求。 -
In the speed control system, because of the system ’ s low speed and high precision, incremental pid control algorithm is adopted. in the position control system, a dual mode control algorithm is designed, which can not only guarantee the rapidity in the position control, but also realize the small overshoot accurate positioning
在控制系統的設計中，針對本系統轉速低、精度高的特點，在速率控制系統中，採用增量式pid演算法;在位置控制系統中，設計了雙模控制器，以保證系統定位過程的快速性和小超調精確定位。 -
This paper gives the way of using the ac servo drive instead of the traditional drive mode consisted of the main motor, the gears and belts, realizing the synchronous drives of the multi - motors. the closed loop control technology of the speed and the position embedding has been adopted to track in real time, then to reduce the transmission error and the noise, so as to increase the control precision and the stability of the combination and simplify the maintenance and repair of the mechanical and technical system
採用交流伺服驅動代替傳統的由主電機、齒輪和皮帶組成的傳動方式，實現多電機同步驅動;採用速度環和位置環嵌套的閉環控制技術，進行實時跟蹤，達到減小傳動誤差、減小噪音，增強機組的控制精度與穩定性、簡化機電系統的維護與修理的效果。 -
In the design of real - time control system, the paper takes three - phase full - bridge mosfet inverter as the real - time control main circuit, and adopts a control scheme with 120 ? switching mode combined with half - bridge pulse width modulation ( pwm ), which would avoid straightthrough short of a certain bridge. phase current is detected by single current sensor ; three - phase position signals generated by position sensors could not only supply commutation information for inverter, but also be used for speed detecting based on signals " period measurement, which makes the speed sensor unnecessary. the whole control system adopts speed and current dual closed - loop control strategy in order to construct a high performance rare - earth permanent magnetic brushless dc motor ( repm bldcm ) full - digital real - time control system
在實時控制系統的設計中，本文以三相全橋mosfet逆變電路作為實時控制主電路，採用120導通方式結合半橋pwm調制的控制方案，從而有效地避免了橋臂的直通短路；本文用單電流傳感器實現對相電流的檢測，來自位置傳感器的三相位置信號不僅為逆變電路提供換相信息，而且也用於基於信號周期測量的轉速檢測，這樣就省去了速度傳感器；系統採用的是速度、電流雙閉環控制策略，力求構建高性能的稀土永磁無刷直流電動機全數字實時控制系統。 -
Along with the advancement of technology, human are changing all aspects of environment at unprecedented speed the change of the utilizing land resource make the style of utilizing land resource change with each passing day for the land manager, as the traditional mode of manage can not adapt the change of utilizing land resource, they need a sort of land resource management information system which can update graph and data at real timeo the appearance and development of " 3s " ( remote sensing globe position system geography information system ) technology improve the change from traditional map to digital map, and offer the platform on which the land resource management information system can be developed which can satisfy the manager ' s requirement, and make it possible that develop the land resource management information system by the manner of system integration the article set forth the method and technology of developing the land resource management information system from the aspects of the manner of development the instruments of integrated development the design of system the data ' s organization the technology of integrated development
隨著科學技術進步的速度越來越快，人類正以空前的速度改變著自然環境及其各個方面，人類對土地資源的利用也發生著日新月異的變化，使得土地資源的利用類型隨時隨地發生改變，對于土地管理者來說，傳統的管理模式已經不能夠適應當前土地利用的變化速度，急需一種能夠實時更新圖形和數據的土地資源管理信息系統。 「 3s 」 （遙感技術、全球定位系統、地理信息系統）技術的出現和發展，推動了傳統地圖向動態的數字化現代地圖的變革，為建立滿足當代土地管理者需求的土地資源管理信息系統提供了可能的平臺，使得採用系統集成方式進行土地資源管理信息系統開發成為可能。本文主要從開發方式的選擇、集成開發工具、系統設計、數據組織、集成開發技術等五個方面闡述開發土地資源管理信息系統的方法及相關技術。
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