This paper discusses similarity criterion in similarity theory, and how to derivate similarity criterion of mathematics simulation model by dimensional analysis. A example for this method is given.
讨论了相似理论中的相似准则，以及如何用因次分析法推导数学仿真模型中的相似准则，并举例说明了这种方法的实用性。
Second, based on the theoretical analysis, this thesis presents the braking force distribution optimization mathematics model and the braking performance computer simulation mathematics model.
然后，在理论分析的基础上建立了汽车制动力分配优化设计数学模型和制动性能计算机仿真数学模型；
Gain the relationship of system which has no restriction and system which has a known-point restriction under the condition of having the same parameters, by analysis of mathematics simulation.
通过数学仿真，对无约束与有约束且参数相同条件下的性能指标进行对比，得出两者之间的联系。
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