Parameters optimization and control strategy of power train systems in hybrid hydraulic excavators

被引：25
|
作者：
Chen, Qihuai [1 ,2 ]
Lin, Tianliang [1 ]
Ren, Haoling [1 ,2 ]
机构：
[1] Huaqiao Univ, Coll Mech Engn & Automat, Jimei Rd 668, Xiamen 361021, Fujian, Peoples R China
[2] Zhejiang Univ, State Key Lab Fluid Power & Mechatron Syst, Hangzhou 310027, Zhejiang, Peoples R China
来源：
MECHATRONICS | 2018年 / 56卷
基金：
中国国家自然科学基金;
关键词：
Hybrid hydraulic excavator; Energy-saving; Parameters matching; Dynamic programming; Genetic algorithm; 2-DOF PARALLEL MANIPULATOR; FUEL-CELL; ELECTRIC VEHICLES; MANAGEMENT; BATTERY; SPEED;
D O I：
10.1016/j.mechatronics.2018.10.003
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
This paper studies on parameters matching and control strategy of power train systems for hybrid hydraulic excavators (HHEs). Load profiles of a 20-t excavator are measured and analyzed. Based on load profiles, considering working conditions, actual load and energy saving, a method which combines analysis method with model-based method together is proposed so as to give full play to the energy conservation and driving characteristics of hybrid power train system (HPTS) in HHE. Mechanical models and efficiency models of HPTS are built. Dynamic programming (DP) algorithm is used to control the HPTS in HHE under different system parameters. Genetic algorithm (GA) is employed to acquire HPTS parameters for optimal energy consumption. The simulation results show that the efficiency of the HHE is improved by 8.80% compared with that of traditional excavator. Experiments are carried out and a rule-based control method is used to validate the effectiveness of the designed parameters.
引用
收藏
页码：16 / 25
页数：10
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