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The Dynamic Analysis and Simulation of Tracked Vehicles

Author: DongXinJian
Tutor: WenGuiLin
School: Hunan University
Course: Vehicle Engineering
Keywords: Tracked vehicle Multibody system dynamics Simulation Tracked from round
CLC: U469.694
Type: Master's thesis
Year: 2007
Downloads: 1140
Quote: 23
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Abstract


At present , the crawler traveling device has been widely used , but in terms of reliability , off-road performance has yet to be further improved, the need for in-depth mechanism analysis and optimization designed to meet the requirements of high mobility tracked vehicle . Traditional research model of the tracked vehicle based on experience and a large number of tests , long cycle , the cost is high . In this paper, based on multi-body system dynamics theory , the establishment of a high-speed tracked vehicle virtual prototype model analysis and simulation , ADAMS / ATV virtual environment under the action part of the tracked vehicle for the evaluation of the mobility of the tracked vehicle and driving optimization of the device is designed to provide theoretical guidance . The paper focuses on the tracked vehicle off-road mobility simulation analysis . A tank vehicle for the study, and take full account of its combat use of the environment , its dynamics in some typical off-road driving conditions for the simulation analysis . In addition, the system analyzed in detail on the support track off the wheel mechanism , and some of the factors preliminary simulation proposed improvement measures , laid the foundation for the crawler off round the problem completely solved . The main contents include: vehicle across the moat , climb a vertical wall climbing obstacle capability of simulation , vehicle Obstacle simulation can reduce the number of real vehicle test , improve test security than traditional statics can be more truly reflect the vehicle 's The actual driving conditions . (2) high-speed vehicle steering dynamics simulation analysis of the dynamic response of the vehicle in the high - speed steering situation and characteristics of the ground vehicle stability . 3 vehicles with soft slip subsidence and backward simulation , vehicle soft driving simulation to improve its efficiency and driving an important guiding role . 4 the crawler off wheel analysis . Track off wheel is the critical issue of high - speed tracked vehicle . Crawler off wheel analysis of the entire crawler traveling device performance improvements are important to improve the reliability . Analysis and simulation, prediction and evaluation of the overall performance of the vehicle by the action part of the dynamics of the tracked vehicle , thereby improving the structural design of the vehicle and improve vehicle performance . Reducing the product development process, prototype manufacturing costs, shorten the development cycle , there are practical significance .

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CLC: > Transportation > Road transport > Automotive Engineering > A variety of automotive > Special Purpose Vehicle > Tracked vehicles , semi- tracked vehicles
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