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建立了配流机构泄漏损失数学模型和摩擦损失数学模型，在此基础上，建立了以功率损失最小为目标函数的优化数学模型，对配流副压紧区域进行优化设计，得出效率最高时的配流副结构，并计算了新结构的性能参数，得出压紧系数的选取对液压马达效率的影响。
The mathematical model of the leakage loss and the mathematical model of the friction loss were established. Based on this, an optimal mathematical model with the least power loss as the objective function was established, and the optimal design of the pressure distribution area with the maximum efficiency was obtained. Side structure and the performance parameters of the new structure were calculated. The influence of the selection of the compression coefficient on the efficiency of the hydraulic motor was obtained.