TY - GEN
T1 - Dynamics of hydraulic transformer controlled motor system
AU - Di, Chongfeng
AU - Wu, Wei
AU - Hu, Jibin
AU - Yuan, Shihua
N1 - Publisher Copyright:
© 2015 IEEE.
PY - 2015/11/24
Y1 - 2015/11/24
N2 - The hydraulic transformer controlled motor system is the key component of the hydraulic common pressure rail system. The hydraulic transformer controlled motor system can realize energy bidirectional transmission and pressure regulatory continuously without throttling loss theoretically. Based on the working principle and the single piston kinematic model, the dynamic model of the hydraulic transformer controlled motor system is established. The pulsation characteristic of pressure is analyzed. The inherent characteristics of the system are investigated. The results indicate that the pressure pulsation has a decrease trend when the hydraulic transformer controlled angle becomes large. In the common variation ranges, the step change of the hydraulic transformer controlled angle will cause the negative response of the load pressure. And also, because of the operation condition of hydraulic transformer is easy affected by load pressure, the system stiffness is relatively low. The negative response and pulsation of the pressure cause the motor torque fluctuation. The system is not suitable for the situation with high torque control precision. The novel system structure and control method are needed.
AB - The hydraulic transformer controlled motor system is the key component of the hydraulic common pressure rail system. The hydraulic transformer controlled motor system can realize energy bidirectional transmission and pressure regulatory continuously without throttling loss theoretically. Based on the working principle and the single piston kinematic model, the dynamic model of the hydraulic transformer controlled motor system is established. The pulsation characteristic of pressure is analyzed. The inherent characteristics of the system are investigated. The results indicate that the pressure pulsation has a decrease trend when the hydraulic transformer controlled angle becomes large. In the common variation ranges, the step change of the hydraulic transformer controlled angle will cause the negative response of the load pressure. And also, because of the operation condition of hydraulic transformer is easy affected by load pressure, the system stiffness is relatively low. The negative response and pulsation of the pressure cause the motor torque fluctuation. The system is not suitable for the situation with high torque control precision. The novel system structure and control method are needed.
KW - hydraulic transformer controlled motor system
KW - negative response
KW - piston kinematic model
KW - pulsation characteristic
KW - system stiffness
UR - http://www.scopus.com/inward/record.url?scp=84962529791&partnerID=8YFLogxK
U2 - 10.1109/FPM.2015.7337290
DO - 10.1109/FPM.2015.7337290
M3 - Conference contribution
AN - SCOPUS:84962529791
T3 - Proceedings of 2015 International Conference on Fluid Power and Mechatronics, FPM 2015
SP - 1140
EP - 1144
BT - Proceedings of 2015 International Conference on Fluid Power and Mechatronics, FPM 2015
PB - Institute of Electrical and Electronics Engineers Inc.
T2 - 7th International Conference on Fluid Power and Mechatronics, FPM 2015
Y2 - 5 August 2015 through 7 August 2015
ER -