先進的MCU固件錨復(fù)雜堆棧復(fù)雜的磁場定向控制電機的設(shè)計

　　先進的MCU固件錨復(fù)雜堆棧復(fù)雜的磁場定向控制電機的設(shè)計

　　永磁同步電機（PMSM）在滿足要求的電機控制應(yīng)用方面的效率、響應(yīng)能力和生命周期成本方面都有顯著優(yōu)勢。不同于傳統(tǒng)的刷式電機，永磁同步電機電子換向電機（ECM）需要高集成微控制器能夠執(zhí)行復(fù)雜的磁場定向控制（FOC）算法和提供精確的電機控制信號需要達(dá)到最大扭矩。

　　利用合適的電機控制軟件庫，工程師可以更容易地利用FOC PMSM使用來自領(lǐng)先的MCU廠商包括飛思卡爾半導(dǎo)體芯片技術(shù)，恩智浦半導(dǎo)體，意法半導(dǎo)體的MCU專業(yè)版本的優(yōu)勢，德克薩斯文書，其中。

　　在PMSMs，所產(chǎn)生的磁場在定子繞組中的多個連續(xù)旋轉(zhuǎn)永磁轉(zhuǎn)子。通過保持從每個定子繞組產(chǎn)生的磁場和轉(zhuǎn)子中的永磁體之間的90°相位，電子換向控制邏輯可以實現(xiàn)電機中的最大轉(zhuǎn)矩。矢量控制，也被稱為矢量控制，提供了一種方法，通過提供高扭矩，即使在低轉(zhuǎn)速下，而快速響應(yīng)動態(tài)變化的負(fù)載保持最佳的相位關(guān)系的定子和轉(zhuǎn)子之間，如在洗衣機。

　　FOC approach

　　FOC continuously commutates the PMSM with sine waves to deliver high torque with little torque ripple. As a result， FOC-driven PMSMs run with reduced mechanical oscillations， outperforming trapezoidal or even sine-wave-driven brushless DC （BLDC） motors — resulting in quieter appliances. Furthermore， FOC-driven PMSMs are highly efficient， thanks to their use of permanent magnets， making them increasingly attractive as energy costs continue to climb — according to the U.S. Department of Energy， kitchen and laundry appliances account for about one-third of household electricity consumption. At the same time， the availability of sensorless methods for ascertaining rotor position further reduces component and lifecycle costs. This opens door to PMSM applications in more demanding compressor and pump designs， such as household， commercial， and automotive applications where sensors cannot easily be used.