基于模糊控制的分布式風(fēng)機控制系統(tǒng)設(shè)計
【文章頁數(shù)】:82 頁
【學(xué)位級別】:碩士
【部分圖文】:
圖2-1單相異步風(fēng)機仿真模型??Fig.2-1?Single-phase?asynchronous?motor?simulation?model??
p?=?汾為微分算符;&為轉(zhuǎn)子角速度;為繞組的匝數(shù)比;?為磁極對數(shù);??71為負載轉(zhuǎn)矩;?/為轉(zhuǎn)子軸和負載的總轉(zhuǎn)動慣量;尺為負載與速度的系數(shù)。仿??真模型如圖2-1所示:??QD?????u? ̄ ̄?y??la?????—??gratua?—???"?S-Funct?on?wr?.....
圖2-2子系統(tǒng)(Subsystem)內(nèi)部結(jié)構(gòu)??Fig.?2-2?Internal?structure?of?the?Subsystem??
p?=?汾為微分算符;&為轉(zhuǎn)子角速度;為繞組的匝數(shù)比;?為磁極對數(shù);??71為負載轉(zhuǎn)矩;?/為轉(zhuǎn)子軸和負載的總轉(zhuǎn)動慣量;尺為負載與速度的系數(shù)。仿??真模型如圖2-1所示:??QD?????u? ̄ ̄?y??la?????—??gratua?—???"?S-Funct?on?wr?.....
圖2-3驅(qū)動電路仿真模型??Fig.?2-3?Drive?circuit?simulation?model??
?7r??其中,%為負載電壓有效值;a為晶閘管導(dǎo)通角;^/,為輸入電壓的有效值。??仿真模型如圖2-3所示:????????sin?—???Gainl?Trigonometric?Gain?^??,???Function?u(l)??CD—"?n? ̄??Input?[\?—???....
圖2-4?PID控制系統(tǒng)框圖??Fig.?2-4?PID?control?system?block?diagram??
為控制輸出量,e(〇為控制輸入量,7;、分別為比例、積分、??微分系數(shù)[29]。??仿真模型如圖2-5所示:??EHu-,?[1???IlL?^?x?????Product?1??????2????T3!?11?1????I?__^?X????—n?u?—??u?n?—? ̄??1....
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