A new continuously variable transmission system parameters matching and optimization based on wheel loader

被引：15

作者：

You, Yong ^{[1
]}

Sun, Dongye ^{[1
]}

Qin, Datong ^{[1
]}

Wu, Bangzhi ^{[1
]}

Feng, Jihao ^{[1
]}

机构：

[1] Chongqing Univ, State Key Lab Mech Transmiss, Chongqing 400044, Peoples R China

来源：

MECHANISM AND MACHINE THEORY | 2020年 / 150卷

基金：

中国国家自然科学基金;

关键词：

Hydraulic mechanical power reflux; transmission (HMPRT); Parameter matching; Optimization System speed ratio; System efficiency; POWER-SPLIT CVTS; AUTOMATIC-TRANSMISSION; DESIGN; STRATEGY;

D O I：

10.1016/j.mechmachtheory.2020.103876

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

On the basis of improving efficiency and automatic adaptability, a novel hydraulic mechanical power reflux transmission (HMPRT) is a considerable framing and suitable for a wheel loader. However, in the design of HMPRT parameter matching, the improvement of transmission efficiency, speed regulation, and power performance are mutually affected and restricted. To obtain good comprehensive transmission performance, a parameter matching design method for HMPRT is proposed. First, the basic transmission characteristics of the HMPRT system are analyzed, and the maximum and minimum system speed ratios are determined. Then, the influence rules of transmission parameters on the transmission performance of the HMPRT are analyzed. Based on the determined evaluation indexes, a multi-objective optimization model is established and its weight coefficients of the sub-objectives are determined by an analytic hierarchy process. The transmission parameters are optimized using a particle swarm optimization algorithm of simulated annealing. Finally, the structural parameters of the relevant parts are determined. The simulation results reveal that when compared with the prototype loader, the HMPRT loader with optimized matching parameters can effectively improve the system efficiency and reduce fuel consumption while ensuring the power performance. (C) 2020 Elsevier Ltd. All rights reserved.

引用

页数：18

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