零相位濾波 的英文怎麼說
中文拼音 [língxiāngwèilǜbō]
零相位濾波
英文
zero-phase filtering- 零 : Ⅰ數詞1 (零數) zero2 (數的空位) zero sign (0); nought 3 (表示沒有數量;無) nil; nought 4 (...
- 相 : 相Ⅰ名詞1 (相貌; 外貌) looks; appearance 2 (坐、立等的姿態) bearing; posture 3 [物理學] (相位...
- 位 : Ⅰ名詞1 (所在或所佔的地方) place; location 2 (職位; 地位) position; post; status 3 (特指皇帝...
- 濾 : 動詞(除去液體雜質) filter; strain
- 波 : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
- 相位 : phase position; phase
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Method of order tracking filtering of rotating machinery based on zero - phase distortion digital filtering with segmentation overlap
基於分段重疊零相位濾波的階比跟蹤濾波法Tacholess order tracking filtering for run - up or coast down vibration signal of rotating machinery based on zero - phase distortion digital filtering
無轉速計旋轉機械升降速振動信號零相位階比跟蹤濾波In this chapter, the method of bldcm rotor position detection is first discussed. then the principle and algorithm of bemf zero crossing point detection is explained. in succession, the chapter dissertates the software realization of the bemf zero crossing point detection algorithm, the software disturbance filter and the modification of phase displacement, and the software realization of commutation point
在這一章中,先簡述了無刷直流電機的轉子位置器檢測方法;然後論述了反電動勢過零檢測原理和演算法以及該演算法的軟體實現、軟體濾波和相移修正、換相點的軟體實現;最後對軟體開環換相起動策略作了詳細論述。We also select the microchip pic16f877 made by microchip co. ltd as a control chip to realize micro - computer control. this system use three separate channel to find out the " across the zero point " of each back - emf. the program use digital filter to wipe off the pwm interferences and the commutating interferences
系統中採用三個獨立通道分別檢測無刷電機三相繞組的反電勢的各自過零點,同時在軟體中採用數字濾波以消除其它噪聲干擾,使檢測電路檢測到的反電勢過零點更加準確可靠,實現了對五位置傳感器直流無刷電機的數字控制。Secondly, considering the problem of phase error of the single probe system, the paper introduces zero phase filter and designs zero phase filters after analyzes its principle
第二,針對內螺紋單針測量系統中的數字濾波失真,提出了零相位數字濾波,分析了其原理,並設計了一階零相位數字濾波器和高階零相位數字濾波器。In the system, control unit accomplishes back - emf zero - crossing information reading and closed loop commutation. the system eliminates the pwm interferences and the commutating interferences by filtering with software algorithm. in order to make the bldc commutate exactly, the method of three - point estimation is used for phase locking in the system. the system also accomplishes several important objects, such as tmppt of photovoltaic arrays, unmanned supervision of the system, fault detection etc. the results of the experiment show that the device, which is made on the base of the principle above, can control the motor to complete the exact commutation
系統以motorola單片機jl3為核心,完成了系統外圍硬體電路和控制軟體設計,實現了直流無刷電機反電勢過零檢測,利用軟體濾波的方式消除了pwm波干擾及換相干擾;採用三點預估演算法,進行相位鎖定,以完成直流無刷電機準確換相;同時實現了光伏陣列工作點的tmppt跟蹤、系統無人監控和故障檢測等功能。分享友人