Synchronous Control of Mode Switching Process for Hydro-Mechanical Compound Transmission Systems

被引：1
|
作者：
Cao F. [1 ,2 ]
Li H. [1 ]
Xi Z. [1 ]
Xu L. [1 ,3 ]
机构：
[1] School of Vehicle and Traffic Engineering, Henan University of Science and Technology, Luoyang, 471003, Henan
[2] Henan Province Collaborative Innovation Center for Advanced Manufacturing of Mechanical Equipment, Henan University of Science and Technology, Luoyang, 471003, Henan
[3] State Key Laboratory of Tractor Power Systems, Henan University of Science and Technology, Luoyang, 471039, Henan
来源：
Hsi-An Chiao Tung Ta Hsueh/Journal of Xi'an Jiaotong University | 2019年 / 53卷 / 08期
关键词：
Dual mode; Hydro-mechanical compound transmission; Switching process; Synchronous control;
D O I：
10.7652/xjtuxb201908008
中图分类号：
学科分类号：
摘要：
A synchronous control method of mode switching process for the dual-mode hydro-mechanical compound transmission (DHMT) systems is proposed to improve the problem that a DHMT system is prone to power interruption and poor stability during mode switching. An equation is established to calculate the total disturbance of the input angular speed of the system by analyzing the dynamic constraints of the DHMT mode. The speed disturbance of the hydraulic components is linearized using a small signal linearization method, and the total disturbance of the system input angular speed is used as a feedforward input of the hydraulic adjustment. Incremental equations of the hydraulic component angular speed disturbance and the displacement compensation are established to obtain a torque compensation transfer function of the hydraulic component. An equation of state space with the hydraulic component angular speed as a state variable and the mode switching mechanism torque as a control variable is constructed. An optimal feedback gain matrix quadratic form is solved to realize the compensation control of the mode switching mechanism torque and to effectively eliminate the torque shock combined with the mode switching mechanism. Simulation and experimental results and a comparison with the non-synchronous control method show that the proposed method greatly improves the quality of DHMT mode switching. Under two different experimental conditions, the method reduces the loss coefficient of the DHMT maximum output torque by about 25.15%, decreases the switching time by 0.455 s on average, and keeps the impact degree within a reasonable range. These results show that this method has a good anti-interference ability and stability. © 2019, Editorial Office of Journal of Xi'an Jiaotong University. All right reserved.
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页码：56 / 67and75
页数：6719
相关论文
共 23 条
  • [1] Huang G., Chen C., Yu Y., Design and simulation of two-stage HMCVT based on sanitation vehicle, Journal of Mechanical Transmission, 41, 5, pp. 161-164, (2017)
  • [2] Yang S., Bao Y., Fan C., Full power shift method of hydro-mechanical transmission and power transition characteristics, Transactions of the Chinese Society of Agricultural Engineering, 34, 5, pp. 63-72, (2018)
  • [3] Yuan S., Du J., Hu J., Et al., Design of two-range input split hydrostatic mechanical transmission, Transactions of the Chinese Society of Agricultural Engineering, 24, 11, pp. 109-113, (2008)
  • [4] Xu L., Zhou Z., Peng Q., Et al., Drive scheme design and characteristic analysis of multi-range hydro-mechanical CVT, China Mechanical Engineering, 23, 21, pp. 2641-2645, (2012)
  • [5] Rossetti A., Macor A., Multi-objective optimization of hydro-mechanical power split transmissions, Mechanism and Machine Theory, 62, pp. 112-128, (2013)
  • [6] Linares P., Mendez V., Catalan H., Design parameters for continuously variable power-split transmissions using planetaries with 3 active shafts, Journal of Terramechanics, 47, 5, pp. 323-335, (2010)
  • [7] Kim D.C., Kim K.U., Park Y.J., Et al., Analysis of shifting performance of power shuttle transmission, Journal of Terramechanics, 44, 1, pp. 111-122, (2007)
  • [8] Hu J., Wei C., Yuan S., Et al., Characteristics on hydro-mechanical transmission in power shift process, Chinese Journal of Mechanical Engineering, 22, 1, pp. 50-56, (2009)
  • [9] Macor A., Rossetti A., Scamperle M., Prediction of sound pressure level for a dual-stage hydromechanical transmission, International Journal of Fluid Power, 17, 1, pp. 25-35, (2016)
  • [10] Zhang M., Wang Q., Bai D., Et al., Speed changing law of hydro-mechanical CVT based on maximum efficiency of tractors, Transactions of the Chinese Society of Agricultural Engineering, 32, 21, pp. 74-78, (2016)
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