根據(jù)磁浮開關(guān)磁阻電機（SRM）對控制器硬件資源及實時性要求，基于雙DSP 與雙口RAM，研制了磁浮SRM的全數(shù)字控制器?？刂破饕詢善琓MS320LF2407A 為核心，以滿足磁浮SRM 功率變換器對PWM 調(diào)制信號的需求，雙口RAM 用于實現(xiàn)兩DSP 之間的信息實時共享，旋轉(zhuǎn)控制用功率變換器采用傳統(tǒng)不對稱半橋電路，懸浮用功率變換器采用兩塊IPM 模塊，雙DSP 管理三套功率變換器以共同實現(xiàn)旋轉(zhuǎn)控制和懸浮控制。制作了全數(shù)字控制器實驗樣機，進行了實驗測試。結(jié)果表明，該全數(shù)字控制器實現(xiàn)了期望功能，兩DSP 可協(xié)調(diào)工作，實時交換所需數(shù)據(jù)，能有效地完成對磁浮SRM 的控制。
Abstract: In view of the hardware resource and real-time control, the digital control system for magnetic suspending switched reluctance motor is designed based on double-DSP and DARAM. Two DSPs are used in the controller, because the 19 PWM signals are demanded by the power inverters. A DARAM is used to realize real-time data sharing between two DSP.The power inverter to control torque is realized by non-symmetrical semi-bridge structure, and two power inverters to control suspending are realized by two IPMs. Three power inverters are all controlled by two DSPs. The digital controller is realized and tested. The experimental results are presented to verify the controller.
關(guān)鍵詞﹕磁浮開關(guān)磁阻電機，DSP，雙口RAM，數(shù)字控制
Keywords: magnetic suspending switched reluctance motor, DSP, DARAM, digital control