期刊
MATHEMATICS AND COMPUTERS IN SIMULATION
卷 163, 期 -, 页码 130-145出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matcom.2019.02.017
关键词
Hybrid hydraulic excavator; Potential energy regeneration system; Energy conservation
类别
资金
- National Natural Science Foundation of China [51505160]
- Natural Science Foundation of Fujian Province, China [2017J01087]
- Open Foundation of the State Key Laboratory of Fluid Power and Mechatronic Systems, China [GZKF-201611]
This paper proposes a novel potential energy regeneration system (PERS) using a hydraulic accumulator and a valve-motor-generator for a hybrid hydraulic excavator (HHE). To analyze the dynamic performance of the proposed PERS, mathematical models are established. A numerical analysis is conducted to guide the parameters design of the key components in the PERS. The control strategy for the energy regeneration system (ERS) is discussed. Simulations are carried out in AMESim to validate the effectiveness of the novel PERS. The results demonstrate that the dynamic performance of the PERS is close to that of a throttle-governing system. The efficiency of the PERS is about 58%. (C) 2019 International Association for Mathematics and Computers in Simulation (IMACS). Published by Elsevier B.V. All rights reserved.
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