EMULEX UC0710205 Q-BUS DUAL CONNECTOR SCSI DISK/TAPE CONTROLLER (USED)3.2控制脈沖定時的實現線，的左端點實現的定，時刻計算式為T；l.Ui4用步進電機控制脈沖的周期值除以82538254寫入82538254的
計數器0，并使之開始減計數，同時用新的控制脈沖信號輸出的中斷服務子程序取代原08中斷子程序，當計數器計數值減為，時，就會4
發08中斷。系統進新的中斷服務產程序作，驅動6200板輸出擰制脈沖信.異步電機降階磁鏈觀測器的研究翁海清，李發海。劉叢偉，韋立
祥清華大學電機工程與應用電子技術系，北京84機矢量控制系統中的主要干擾和參數誤差，在此基礎上，依據丑理論設計了降階磁鏈觀
測器，使干擾和參數誤差造成傳統的電壓型和電流型磁鏈觀測器進行了比較。仿真和實驗結果明，前者具有較的動態和穩態性能，電機
中的參數變化量測噪聲和觀測器初始值誤差具有較強的魯棒性，適用于高性能的矢量控制系統矢量控制技術提出以來，各國學者圍繞轉
子磁鏈的估計問作了大量的研究工作，目前普遍使用電壓型和屯流型轉產磁鏈觀測器及其改迸方塞然而，這兩種磁鏈觀測器都沒有構成
控制意義上電機運行狀態變化魯棒性差等系列問鑒于此，文。6沾于點置方法提出了異少電機訕觀測器方穿為減小測嗯廣和參數誤差磁通
觀測的影響，本文應用=控制理論設計了異步電機降階磁鏈觀測器，使得磁通觀測誤差小化異步電機降階磁鏈觀測器的設計兄步電機磁鏈
觀測器中誤差主要來源于以下兒方面電機參數中。
定轉產屯阻容易受到溫度的影響，發生變化；2系統中，電機定子電流用霍爾傳感器測
量，經運放放大，后由人，轉換為數字量，霍爾元件的非線性零飄，運放電路的零飄以及入爪本身的非線性等引起的誤差；3機端電壓為
河波形，難以用人0直接測量，般測量直流電容的電卡，然后根據電壓給定值。算出機端的實際屯甩這柞，電壓誤差主要來源于逆變器的
影響符壓降3丁汗通關斷過，的影響電容電甩測量誤差電容電壓不平衡等。
由于異步電機中，轉速的變化要比磁通電流等電量的變化慢得多，在設計磁鏈觀測器時，可以認為轉速+變。這，應的狀態方程是線
性的。可以用線性系統的理論來設計觀測器。
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