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提出了一种在已知汽车整车参数及性能要求、发动机负荷特性和行驶条件下，以表征动力性的原地起步连续换档加速时间最小或以表征燃油经济性的循环工况油耗最小为目标函数，优化选定汽车主减速器传动比的方法。并通过实例验证了方法的可行性
Aiming at the condition of known dynamic parameters and performance of the vehicle, engine load characteristics and driving conditions, starting with the characterization of the dynamic start-up continuous shift acceleration time minimum or to characterize the fuel economy cycle conditions minimum fuel consumption Objective function, optimization method of selecting main gearbox transmission ratio. An example is given to verify the feasibility of the method