新能源汽車動(dòng)力總成的可靠性改進(jìn)方向探索-資料下載頁(yè)
2025-02-14 04:30本頁(yè)面
【正文】 masses ? Motor will withstand a large impact load on the road ? Wheel internal space is limited ? Cooling and sealing protection problems 6/9 Two types of InWheel Motor Type Rotating Speed Rotor Arrangement Disadvantages Advantages Decelerated Drive High Internal Heavy Working Noise Efficient Low Cost Direct Drive Low External High Cost Low Efficiency Structure Simplification Fast Response 7/9 8/9 Problem Direction Unsprung mass Optimize the structure, Lightweight The impact of the motor from the road surface load Improve the motor‘s seismic capacity，Set the active vibration damping device Torque fluctuations Torque ripple suppression Corrosion of the wheel motor Improve the production process The Exploration of Directions of Improvement 9/9 Presented by： Zheng Tengfei 1/8 ? Permanent mag synchronous motor control system ? The function of the controller ? Control technology of permanent mag synchronous motor ? The reliability of the controller design and exploration Outline Outline 2/8 PMSM Control System Conditioning circuit Torque Sensor Encoder Electronic Throttle Selector Switch Speed Sensor Pressure Sensor Temperature Sensor Controller PMSM drive Unit Data Storage Instrument Panel PMSM 3/8 The Function of The Controller ? Equipment management ? Fault diagnose ? System control ? Energy management 4/8 Control Technology of PMSM ? Fieldorientated control ? Direct torque control 5/8 The Reliability of The Controller Design and Exploration ? Chip design strategy ? Advanced control theory 6/8 主控制芯片 輔控制芯片 CAN總線 CAN信號(hào)發(fā)送 CAN信號(hào)偵聽(tīng) 輔芯片 Life信號(hào) 替補(bǔ) CAN信號(hào)發(fā)送 主 輔芯片工作原理 Chip Design Strategy 7/8 Advanced Control Theory ? Kalman filtering ? Model reference adaptive control ? Based on the neural nodel reference adaptive observer Two problems must be solved in the speed sensorless Field Oriented Control of permanent mag synchronous motor drive : the speed estimation and rotor flux observation. 8/8 Motor Motor Control InwheelMotor Configuration Battery BMS Summary Prospect 謝謝觀看 /歡迎下載 BY FAITH I MEAN A VISION OF GOOD ONE CHERISHES AND THE ENTHUSIASM THAT PUSHES ONE TO SEEK ITS FULFILLMENT REGARDLESS OF OBSTACLES. BY FAITH I BY FAIT
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