純電動輪轂電機越野車動力系統匹配設計(含CAD圖)

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純電動輪轂電機越野車動力系統匹配設計(含CAD圖)(任務書,開題報告,文獻摘要,外文翻譯,論文說明書11000字,CAD圖3張)
摘要
節能、環保和安全是如今汽車行業的三大主題,純電動汽車具有低排放,比功率高的優點,同時輪轂電機驅動汽車結構簡單、效率高、轉矩獨立可控,而且可實現底盤智能化,是未來汽車發展的方向之一。
本文以某越野車為研究對象,分析其行駛的道路狀況,在提高整車動力性需求以及整車空間布置等約束下,采用分布式輪轂電機獨立驅動結構。然后根據動力性要求,對動力系統進行選型和參數匹配,確定動力系統關鍵部件的參數。具體過程如下。
在認真研究了整車的設計要求后,根據汽車加速性能,爬坡性能,最大車速等確定了整車所需的最大功率,而后對驅動電機進行選型和匹配,選擇了四個額定功率35kw的輪轂電機,根據續航里程要求計算確定了一組600V,178Ah鋰離子動力電池。輪轂電機的減速比為5。至此動力系統關鍵部件參數匹配完成。
后續建立純電動越野車的仿真模型,在Cruise軟件中將所計算出的傳動比、電池、電機等參數輸入模型,對車輛各項性能設置仿真任務,完成汽車動力性能(加速度,最高速度,續航里程等)仿真計算。
最后對仿真結果進行了綜合分析,仿真結果顯示:最高車速能達到126km/h,以20km/h行進能爬68.9%坡度的坡,0-80km/h加速時間為7.4s,以40km/h速度能行駛260km。動力性能滿足設計要求。
關鍵詞:純電動汽車,輪轂電機,參數匹配,Cruise
 
Abstract
Energy saving, environmental protection and safety are the three themes of today's automotive industry. Pure electric vehicles have the advantages of low emissions and high specific power. At the same time, the hub motor drives the car with simple structure, high efficiency, independent torque control and intelligent chassis. advantage. Pure electric wheel hub motor can meet the requirements of energy saving and environmental protection, and is one of the future development directions of automobiles.
In this paper, an off-road vehicle is taken as the research object, and the road conditions of the road are analyzed. Under the constraints of improving the power demand of the whole vehicle and the space arrangement of the whole vehicle, the distributed wheel hub motor independent driving structure is adopted. Then according to the dynamic requirements, the power system is selected and matched with parameters to determine the parameters of the key components of the power system. The specific process is as follows.
After carefully studying the design requirements of the vehicle, the maximum power required by the vehicle was determined according to the vehicle acceleration performance, the climbing performance, the maximum vehicle speed, etc., and then the drive motor was selected and matched, and four rated powers of 35kw were selected. The hub motor, based on the cruising range requirements, determines a hybrid 600V, 178Ah lithium-ion battery. The reduction ratio of the hub motor is 5. At this point, the matching of key components of the power system is completed.
Subsequently establish a simulation model of pure electric off-road vehicle, input the calculated gear ratio, battery, motor and other parameters into the model in Cruise software, set simulation tasks for various performances of the vehicle, and complete the vehicle dynamic performance (acceleration, maximum speed). , cruising range, etc.) simulation calculation.
Finally, the simulation results are comprehensively analyzed. The simulation results show that the maximum speed can reach 126km/h, and the slope can climb 68.9% slope at 20km/h. The acceleration time of 0-80km/h is 7.4s, at a speed of 40km/h. Can drive 260km. Dynamic performance meets design requirements.
 
Keywords: pure electric vehicle, hub motor, parameter matching, Cruise

 

純電動輪轂電機越野車動力系統匹配設計(含CAD圖)
純電動輪轂電機越野車動力系統匹配設計(含CAD圖)
純電動輪轂電機越野車動力系統匹配設計(含CAD圖)
純電動輪轂電機越野車動力系統匹配設計(含CAD圖)


目錄
摘要    I
Abstract    II
第1章引言    1
1.1研究背景及意義    1
1.2國內外研究現狀    3
1.2.1輪轂電機研究現狀    3
1.2.2動力系統匹配現狀    4
1.3研究內容與研究方法    5
第2章四輪獨立驅動純電動越野車動力系統的選取    6
2.1三種四輪驅動純電動結構方案    6
2.2動力系統結構方案的選擇    8
第3章動力系統參數匹配    9
3.1車輛基本參數    9
3.2驅動電機的選型與參數確定    10
3.2.1驅動電機的選型    10
3.2.2驅動電機的參數計算    11
3.3動力電池參數確定    17
3.4 本章小結    19
第4章四輪獨立驅動純電動越野車整車建模    20
4.1選擇建模仿真軟件    20
4.2整車模型的搭建    20
4.2.1整車模塊的搭建    20
4.2.2整車各部件信號連接    21
4.3整車各模塊參數設置    21
4.3.1整車模塊參數設置    22
4.3.2動力電池參數設置    22
4.3.3電機相關參數設置    23
4.4仿真結果分析    24
4.5本章小結    27
第5章總結與展望    28
5.1全文總結    28
5.2展望    29
參考文獻    30
致謝    31

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