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自动驾驶纯电动公交车WG6820AI总体设计(含CAD图,CATIA三维图)英文版

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自动驾驶纯电动公交车WG6820AI总体设计(含CAD图,CATIA三维图)英文版(任务书,开题报告英文,文献摘要,论文说明书英文8200字,CAD图5张,CATIA三维图1张)
General Design of Autonomous intelligent pure electric bus WG6820AI
摘要
本文写的是一辆无人驾驶纯电动公交车的总体设计,该客车车长8.2米。
通过查阅大量的文献,然后从驱动电机的选择,电池的选择着手,根据设计要求,计算最后得出满足行驶要求的电机和电池。在选好电机和电池后,与燃油汽车不同,综合电动汽车的结构设计需要对汽车的传动系统,转向系统,制动系统进行一一分析后再设计。在我所设计的这辆无人驾驶电动公交车上,它的传动系所用的是二挡减速器,根据要求选择合适的最高传动比、最小传动比、以及主减速比。然后通过最高车速以及最大爬坡度来校核所选择的传动比。该辆公交车环境感知系统选择一个三维激光雷达布置在车顶,两个二维毫米波雷达分别布置在车头和车尾、三个相机两个放在车头一个放在车尾和四十个超声波传感器,车头四个车尾四个车身每隔半米一个。最后在这些的基础上计算所得数据,对汽车进行总布置设计。
关键词:无人驾驶纯电动公交车; 总体设计; 电机; 电池; 底盘布置

[资料来源:http://doc163.com]


 
Abstract
This paper writes the overall design of an autonomous intelligent pure electric bus, whose length is 8.2 meters.
By consulting a large number of literatures, and then starting from choosing drive motor and battery, and then design the motor and battery that meet the driving requirements. It's different from a fuel car, after choosing the motor and the battery, The structural design of integrated electric vehicle needs to analyze the driving system, steering system and braking system before designing. In the autonomous intelligent pure electric bus that I designed, whose transmission system USES a two - gear reducer, and selects the appropriate maximum gear ratio, minimum gear ratio, and main reduction ratio as required. Then check the transmission ratio by maximum speed and maximum climb. The bus environment perception system selects a three-dimensional laser radar to be placed on the roof of the vehicle. Two two-dimensional millimeter-wave radars are arranged at the front and rear of the vehicle, three cameras two of them at the front, one at the rear, and forty ultrasonic waves, four cars at the front of the car, four cars at the rear, one at every half meter. Finally, on the basis of these calculations, design the overall layout of the car. [来源:http://www.doc163.com]
Keywords: Autonomous intelligent pure electric bus;  overall design;  motor;  battery; Chassis arrangement

Mg:Total weight 122500N
f: The resistance coefficient of the car on a good road takes 0.01
Ua:Car speed
CD:Air resistance coefficient takes 0.6
A: Car frontal area
The maximum speed is 60km/h for design requirements
Windward area A = vehicle width × height
A=2450×2990=7325500mm2=7.3m2
P=33kw
From this we can know that the power of the motor is at least 33kw, but considering the influence of other accessories, we choose the permanent magnet synchronous motor with a rated power of 45kw.
Some of the parameters of the motor I selected are as follows:
                     Model Number:TZ260XS45
                     Rated/peak power: 45/80kw [资料来源:http://www.doc163.com]
Rated torque:286.5Nm
              Rated/peak speed: 1500/5000rpm
Permanent Magnet Motor Controller:
Model: KTZ384X127S45
              Rated power: 60KW
Input voltage: DC288~460V
Input voltage: 380V
 

[资料来源:http://doc163.com]

自动驾驶纯电动公交车WG6820AI总体设计(含CAD图,CATIA三维图)英文版
自动驾驶纯电动公交车WG6820AI总体设计(含CAD图,CATIA三维图)英文版
自动驾驶纯电动公交车WG6820AI总体设计(含CAD图,CATIA三维图)英文版
自动驾驶纯电动公交车WG6820AI总体设计(含CAD图,CATIA三维图)英文版 [来源:http://Doc163.com]
自动驾驶纯电动公交车WG6820AI总体设计(含CAD图,CATIA三维图)英文版
自动驾驶纯电动公交车WG6820AI总体设计(含CAD图,CATIA三维图)英文版


List
Chapter one Introduction    1
1.1    Significance of topic    1
1.2 History of Autonomous intelligent pure electric bus    1
1.3 Main problems faced by Autonomous intelligent pure electric buses    4
Chapter Two Structure of bus    7
2.1 Axis number    7
2.2 Driven form    7
2.3 The layout of bus    7 [资料来源:www.doc163.com]
Chapter Three Choice of the main parameters of the bus    9
3.1 Size parameters    9
3.1.1 Outside dimensions    9
3.1.2 Wheelbase    9
3.1.3 Front track and rear track    9
3.1.4 Front Suspensions and Rear Suspensions    10
3.2 Quality parameters    11
3.2.1Vehicle equipment quality    11
3.2.2 Car carrying capacity, loading quality ,total quality of the car    11
3. 2.3Axial load distribution    12
3.3 Determination of vehicle performance parameters    12
3.3.1 Maximum speed    12
3.3.2 Gradeability    13
3.4 Passive geometric parameters    13
3.5Handling stability parameters    13
3.6 Ride parameters    14
3.7Body form    14
3.8 Tire selection    14

[资料来源:www.doc163.com]


Chapter Four  Selection and Check of Autonomous intelligent pure electric bus Power System    15
4.1 Motor    15
4.2 Battery selection    17
4.3 Transmission Selection    18
4.4  Power Performance    19
Chapter Five Car chassis assembly selection and layout    20
5.1 Steering system    20
5.2 Braking System    20
Chapter Six  Automatic driving principle    23
Chapter Seven Verification    26
7.1 Verification of maximum climbing grade    26
7.2 Verification of the maximum speed    26
7.3 The turn of the steering wheel    27
Chapter Eight Conclusion    29
Reference    30
Acknowledgements    31
Appendix    32

[来源:http://www.doc163.com]

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