社区微型智能垃圾分类转运车底盘设计开题报告

 2022-08-27 08:08

全文总字数:15852字

1. 研究目的与意义(文献综述)

1. purpose and significance

1.1 research purpose

with the development of social productivity, intelligent technology has been widely used around us. automobile, as an intelligent synthesis, has made great contributions to the development of society and the change of human travel conditions during the 100 years since its birth. [1] in recent years, human beings have been making great contributions to pattern recognition, image processing, and so on. the application of neural network and expert control technology in automobile has made the whole mechanism of automobile not as complex as before. at the same time, many scientific research achievements have been made by human beings. for example, the automobile with automatic injection control engine system can effectively improve the efficiency of gasoline engine and save a lot of energy. the application of anti-lock braking in braking system improves the safety and stability of vehicle travel and prevent the vehicle from turning over and swinging sharply due to the emergency brake.the improvement of suspension system makes the vehicle travel more smoothly and provides drivers and passengers with a more comfortable driving environment and riding environment. [2] with the improvement of human living standards, the number of cars is also increasing, resulting in such as traffic congestion, traffic accidents, energy waste and environmental pollution. especially in recent years, traffic accidents remain high, the death rate caused by traffic accidents is also rising year by year. the result is an incalculable economic loss. at this time, people hope that the car can automatically identify the road, can automatically control the safe driving of the vehicle according to the planned path, and other advanced functions. so the driver can be solved from the boring and cumbersome driving behavior and that will make driving safer. this also highlights the necessity and urgency of developing an intelligent control system for vehicles.

the self-driving intelligent vehicle has experienced the development of several stages, such as concept research, model test, sample car development, design and stereotyping, small batch production, supply and so on. it can be divided into two categories: one is the remote control vehicle, the other is the autonomous vehicle. remote control vehicles mainly rely on wired and wireless network mode operators long-distance control to achieve self-driving. autonomous vehicles can also be called intelligent vehicles or mobile robots. they usually use visual sensors installed on the body of the car, laser rangefinder to sense the environment around the vehicle, gyroscope, and integrated inertial navigation system for positioning and orientation. [3] vehicle positions are obtained from these sensors. the obstacle information is transmitted to the vehicle body control layer to control the steering and speed of the vehicle, so that the vehicle can travel safely and reliably on the road.

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2. 研究的基本内容与方案

1. research (design) of the basic content, objectives, technical solutions and measure

    1. basic content

  1. design of electronic control steering system for intelligent logistics transport vehicle

    complete the selection of the mechanical steering gear scheme according to the given dimensions and parameters of the whole vehicle and chassis, and calculate the main performance parameters, steering efficiency and the transmission ratio of the steering system. establish the mechanical system model. calculate the load strength of the steering gear and verify that the load strength meets the safety requirements.

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    3. 研究计划与安排

    1. schedule arrangement

    1-2 (7 semesters 19-20 weeks) determine the topic of graduation design, improve the graduation design task book (related parameters), and collect information in school

    3 (1 week of 8 semester) scheme conception, literature retrieval, completion of opening report

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    4. 参考文献(12篇以上)

    reference

    1. 夏永峰,杨汝清,上海交通大学无人驾驶电动车的底层控制系统设计与实现.2007-12

    2. 孙振平,自主驾驶汽车智能控制系统.国防科学技术大学.2004-3

    3. 李旻,无人驾驶电动车自动转向系统研究与设计.上海交通大学.2005

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