TAILIEUCHUNG - A hydraulic regenerative braking system: Some modeling and experimental results

This paper presents a principle diagram of the proposed kinetic recovery system using the hydraulic accumulator. The proposed system installed on a tone garbage specialized dump truck made in Việt Nam. The system is connected to the power take-off unit of the transmission system on the vehicle, could brake to recover kinetic energy of the vehicle. | Journal of Science & Technology 127 (2018) 057-062 A Hydraulic Regenerative Braking System: Some Modeling and Experimental Results Luyen Van Hieu1, 2*, Ngo Sy Loc1, Tran Khanh Duong1 Hanoi University of Science and Technology – No. 1, Dai Co Viet Str., Hai Ba Trung, Ha Noi, Viet Nam 2 Hung Yen University of Technology and Education, Dan Tien, Khoai Chau, Hung Yen Received: March 27, 2018; Accepted: June 25, 2018 1 Abstract This paper presents a principle diagram of the proposed kinetic recovery system using the hydraulic accumulator. The proposed system installed on a tone garbage specialized dump truck made in Việt Nam. The system is connected to the power take-off unit of the transmission system on the vehicle, could brake to recover kinetic energy of the vehicle. The dynamic equations of a braking process using hydraulic accumulator have been obtained and simulated using Matlab - Simulink program. The system has been tested, the experimental results are well in agreement. The influence of the accumulator initial pressure values on kinetic energy recovering process and efficiency of the system have been looked into and estimated. The system could be used to study characteristics of the hydraulic regenerative braking system extensively. Keywords: HRBS; HRB with PTO; Braking to recover kinetic energy. 1. Introduction* per the flowchart is shown in Fig. 2. The program runs and all the concerned output parameter values are recorded automatically. Conventionally, during a vehicle braking process, the kinetic energy turns to heat at the braking shoes [1]. In our study, we aim to turn the same to hydrostatic energy and store it in a hydraulic accumulator for other possible uses such as crane lifting, winching, vehicle initial accelerating A system for the purpose has been proposed, fabricated and installed in a tone specialized dump truck in Việt Nam. A series of experiments have been successfully carried out. Some of the obtained results will be .

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