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52011.全球农业轮胎市场报告（2014-2018年）
[橡胶和塑料制品业,汽车制造业] [2014-03-24]
Tires are an integral component of automobiles and are manufactured using raw materials such as natural rubber, nylon tire cord fabric, and carbon black. Rubber chemicals and synthetic rubber, including styrene-butadiene rubber and poly-butadiene rubber, are also used in manufacturing tires. Agriculture tires are used in different agriculture vehicles and equipment such as tractors, sowers, and harvesters. The use of advanced equipment has had a significant improvement on crop yield and hence, is leading to cultivators and farmers increasingly using agriculture vehicles and equipment.
关键词：轮胎；天然橡胶；尼龙帘；橡胶助剂子布；炭黑
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52012.基于可拓工程的车身理想基本模型获得的变截面方法
[汽车制造业] [2014-03-24]
Through obtaining the solutions for conflict problem in the auto-body styling aerodynamic design cooperating extension engineering, a variable cross-section method based on aero dynamic theoretical model to obtain ideal basic shape for car body is proposed.A theory model based on aerodynamics is developed.In addition, a generation method for a series of ideal basic bodies with favorable aerodynamic characteristics is developed, which enables the generation of these basic bodies by a variable cross-section method.This method is finally realized and it is shown in the evaluation that it is a new way for the auto-body styling design based on whole shape optimization.
关键词：汽车；车身模型；变截面；可拓工程
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52013.基于CATIA环境的虚拟装配车门的人因分析
[汽车制造业] [2014-03-24]
Based on CATIA software to create a virtual car assembly line,the virtual assembly technology briefly analyzed state development,pointed out the role of actual production used virtual assembly technology,combined an instance of the car door assembly works with lots of human factors analysis.Through assembly modeling,simulation,analysis and optimization,aimed to reduce labor intensity,decline action fatigues,acquire the best assembly path to improve the productivity and quality of assembly of the car assembly quality.
关键词：汽车；虚拟装配；汽车装配；CATIA；人因分析
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52014.基于遗传算法的汽车动力传动系统多目标优化研究
[汽车制造业] [2014-03-24]
Simulation model of automobile power train has been built using ADVISOR,on the basis of Genetic Algorithm Tool Box,the paper takes a mini car as example to carry out performance simulation calculation and power train parametric optimization design.The result show that automobile power performance and fuel economy and emission performance have been greatly improved. It is an important approach to optimize its matching parameters on reducing the fuel wastage,improving dynamical performance and decreasing the emission of waste gas. It is a better approach to cope with automobile power train match optimization by integrating ADVISOR's accurate simulation with Genetic Algorithtn's searching optimization with high efficiency.
关键词：汽车；汽车动力传动系统；ADVISOR；多目标优化
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52015.微型电动观光车底盘结构分析与优化
[汽车制造业] [2014-03-24]
We finished the miniature electric touring car chassis structure finite element analysis.Mainly for the miniature electric touring car chassis uniform rectilinear driving condition,the distribution of deformation and stress analysis,According to the above data to optimize the chassis structure,and verified the rationality.
关键词：汽车；微型车；电动观光车；底盘；优化分析
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52016.烫印过程中DP钢发动机罩的结构分析和质量预测
[汽车制造业,黑色金属冶炼和压延加工业] [2014-03-24]
In the paper,it took the hot stamping process of DP steel engine hood for example and took DP800 as object of research.The forming limit,variation of major strain,minor strain and thickness,as well as the potential equality defects were analyzed by using eta/DYNAFORM software.The research results show that duplex steel plate can meet the performance requirements of car engine dumping plank forming,which offers theory basis for the production of similar parts.
关键词：钢铁；应变分析；发动机罩；烫印
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52017.基于Freescale单片机的双轮自平衡车设计与实现
[汽车制造业] [2014-03-24]
The self-balanced two-wheel Cars are often devised in various competitions,and are involved in this direction in many large games.Based on the Freescal Semiconductor XS128 series single-chip microcomputer as the core controller,with the gyroscope and angle sensor to achieve two-wheel Car self balance,the self-balanced two-wheel structure,the balance principle and the control algorithm are introduced emphatically,and the self-balanced two-wheel car is finally completed through repeated testing.
关键词：汽车；双轮自平衡车；单片机；XS128；控制算法
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52018.基于摄像传感器的智能汽车控制系统设计与实现
[汽车制造业] [2014-03-24]
In this paper we propose a intelligent vehicle system design with MK60NS12VMD100 as the micro-controller unit and CMOS image sensor to obtain image information of the track.Our proposed comparator circuit instead of an A/D conversion to obtain the binary image enables us to achieve a bigger field of view and a higher processing speed.A unique algorithm to extract track information and to successfully extract the black guide line is devised.We also design a PID closed-loop control to adjust the rotate speed of driving electromotor and direction of steering electromotor.The results indicate that our design proposal is feasible.The intelligent vehicle could successfully achieve a high speed,while maintaining an excellent stability.
关键词：汽车；智能汽车；ARM处理器；传感器；路线跟踪；PID
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52019.基于电磁技术的智能汽车系统
[汽车制造业] [2014-03-24]
Introduce Fressscale MC9S12XS256 as the core control unit of the self-tracing smart car system.Fast and accurate information extracting and processing is the guarantee of the sensitive smart car quickly moving along the track.To the smart car system based on electromagnetic technology,create one method of path position detection and its technology details.Tests show this method can be good at forward-looking,real-time and accuracy.
关键词：汽车；智能汽车；电磁技术；路径定位
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52020.基于OV6620的自循迹小车路径识别技术研究
[汽车制造业] [2014-03-24]
This paper proposes extracting black line with small-scale method in the self-tracing car system based on OV6620 as the video sensor unit.Describe the hardware design of OV6620 and other two kinds of image signal extracting methods,which are to extract black line from left to right,and extract black line from middle to both sides.The testing shows that extracting black line with small-scale method has good stability,accuracy,and anti-interference.
关键词：汽车；自循迹小车；路径识别；OV6620
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