采用试验模态分析和工作变形分析方法，探讨了摩托车整车振动问题的分析和解决思路。
The test modal analysis and the analysis of deformation due to operation are the ways the author takes in doing the job.
利用底盘测功机可以在室内模拟摩托车道路行驶载荷条件，定性和定量地进行摩托车整车性能的台架试验。
The simulation of road load conditions for motorcycles and bench test (quantitative and qualitative) of motorcycle performance can be conducted in doors by means of a dynamometer.
因此磁电机性能质量对摩托车整车质量保证和性能发挥具有重要影响，其性能检测和质量控制方法的研究具有重要意义。
The magneto performance and quality plays a critical role in the motorcycles, therefore, the test method research of its quality and performance is very important and has specific meanings.
只有建立了摩托车主要零部件的设计参数与整车性能之间的联系，才有可能实现真正意义上的计算机辅助设计。
Only is the connection between the main parts designing parameters and the overall performance of the motorcycle established, it is possible to realize the pure CAD.
摩托车化油器对整车性能起着很重要的作用，而浮子室内油面高度的变化将直接影响化油器的工作状态。
Carburetor is critical to the performance of a motorcycle. The fuel level in the float chamber has a direct connection with the working condition of a carburetor.
拉线损伤与摩托车本身的技术状况有关，故应搞好摩托车的整车维护。
Farrowed injury and motorcycle itself about technical status, reason should improve motorcycle vehicle maintenance.
试验结果表明，整车不作结构改动，直接燃用植物汽油能改善摩托车的经济性和排放特性。
The results show that the motorcycle fuelled directly with vegetable gasoline can improve the economy and exhaust emissions without changing the structure of motorcycle.
因此，需建立正确的理论计算模型，模拟其性能，以便在电动摩托车的初步设计中，合理设计与整车动力性能相匹配的?。
The model can provide the best working parameters and characteristics of the battery and motor, and also simulate the dynamic characteristics of electric motorcycles.
最后针对模态分析和优化结果对车架结构进行了改进改进后的整车平顺性道路试验表明摩托车的振动舒适性得到改善。
Based on the results of modal analysis and optimization, some modifications to the frame are accomplished. The road test results show that the ride comfort of the motorcycle is improved.
重心位置关系到摩托车的行驶速度、稳定性及整车的性能指标和使用寿命。
The location of motorcycle's centre of gravity affects the life of a motorcycle and many of its performance specifications, such as driving speed, stability, etc.
右曲轴箱是摩托车上的一个重要零件，其加工质量的好坏直接影响发动机性能和整车质量，该零件的油道孔加工要求较高。
Ther right crankcase is an important part of the motorcycle, the quality direct influence engine performance and vehicle quality, and the processing requirements of the oil duct hole is higher.
完成了LPG摩托车燃料供给系的总体布置与整车改装，及其燃料供给系支架与座垫支承的结构分析和抗弯加固；
Some research results are achieved as follows:(1) Layout of LPG supply system and modification of body construction are carried out, and structural analyses of fuel supply bracket are performed.
完成了LPG摩托车燃料供给系的总体布置与整车改装，及其燃料供给系支架与座垫支承的结构分析和抗弯加固；
Some research results are achieved as follows:(1) Layout of LPG supply system and modification of body construction are carried out, and structural analyses of fuel supply bracket are performed.
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