|Table of Contents|

Locking control of hydraulic torque converter(PDF)

《交通运输工程学报》[ISSN:1671-1637/CN:61-1369/U]

Issue:
2016年05期
Page:
66-73
Research Field:
载运工具运用工程
Publishing date:

Info

Title:
Locking control of hydraulic torque converter
Author(s):
HUI Ji-zhuang GUO Yun-xin ZHENG Heng-yu ZHANG Ze-yu HU Hao
National Engineering Laboratory for Highway Maintenance Equipment, Chang’an University, Xi’an 710064, Shaanxi, China
Keywords:
vehicle engineering hydraulic torque converter Simulink locking control turbine pump wheel
PACS:
U463.22
DOI:
-
Abstract:
A type of engineering vehicle was used as research object, its characteristics of working condition were considered, and the common locking points at different throttle openings were calculated and selected based on the locking control principle. Based on throttle opening and turbine speed, brake signal, gear signal and cooling water temperature signal were considered, a multi-parameters locking control strategy was designed, and the corresponding locking flow was set up. Whole vehicle model composed of locking control model, engine model, hydraulic torque converter model, the output model of hydraulic torque converter, transmission model, and external resistance model, was built and simulated by using MATLAB/Simulink software. Simulation result shows that the locking signal responds correctly with the change of water temperature and gear signal, and the vehicle is locked at the setting locking point. The locking control model accords with the established locking control strategy, and the output model of transmission system is in line with the actual working conditions, which provides a theoretical basis for the locking control of vehicle and proposes a new scheme for improving the transmission efficiency, energy saving and emission reduction of vehicle. 1 tab, 17 figs, 24 refs.

References:

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Last Update: 2016-10-20