Research on shift decision-making of AMT for heavy commercial vehicle

2011 ◽  
Author(s):  
Wang Yuncheng ◽  
Wang Jianhua ◽  
Xie Fei
Keyword(s):  
Decision Making ◽  
Commercial Vehicle ◽  
Heavy Commercial Vehicle

Robust augmented H∞ shift control strategy for power-split system with a two-speed AMT gearbox of a heavy commercial vehicle

2020 ◽  
pp. 095440702097709
Author(s):  
Xiaohua Zeng ◽  
Zhenwei Wang ◽  
Dafeng Song ◽  
Dongpo Yang
Keyword(s):  
Control Strategy ◽  
Commercial Vehicle ◽  
Kinetic Equations ◽  
Substantial Improvement ◽  
Transmission System ◽  
Power Sources ◽  
Shift Control ◽  
Power Split ◽  
Heavy Commercial Vehicle ◽  
Split System

The coordination control of a transmission system has gradually attracted more attention with the development of hybrid electric vehicles. However, nonlinear coupling of multiple power sources, superposition of different dynamic characteristics in multiple components, and withdrawal and intervention for a power-split powertrain with a two-speed automated manual transmission (AMT) gearbox can cause jerk and vibration of the transmission system during the shift, which has higher requirements and challenges for the overall performance improvement of the system. This paper designs a novel, robust, augmented H∞ shift control strategy for a power-split system with a two-speed AMT gearbox of a heavy commercial vehicle and verifies the strategy’s effectiveness with simulations and experiments. First, the dynamic plant model and kinetic equations are established, and the shift is divided into five stages to clearly reveal the jerk and vibration problem. Based on augmented theory, a robust H∞ shift control strategy is proposed. Shift coordination is transformed into a speed tracking problem, and state variable and disturbance are reconstructed to obtain a new augmented system. Simulation and hardware-in-the-loop test are carried out to verify the effectiveness of the strategy, which mainly includes simulation of pneumatic actuator and H∞ control strategy. Results show that the proposed H∞ control strategy can greatly reduce the jerk of the transmission system. The jerk produced by the proposed strategy is decreased from 20.4 to 4.07 m/s3, leading to a substantial improvement of 80%. Therefore, the proposed strategy may offer a theoretical reference for the actual vehicle controller during the shift.

Ride Optimization for a Heavy Commercial Vehicle

2014 ◽  
Vol 7 (1) ◽  
pp. 150-156 ◽  
Author(s):  
Hengjia Zhu ◽  
Yuliang Yang ◽  
Yu Yang ◽  
Jian Zeng ◽  
Yunqing Zhang
Keyword(s):  
Commercial Vehicle ◽  
Heavy Commercial Vehicle

Data Acquisition and Failure Simulation of Metal Bumper for Heavy Commercial Vehicle

2017 ◽  
Author(s):  
L. Karthik ◽  
R. Dinesh Kumar ◽  
E. Prasanna Kumar ◽  
V. Srinivasa Chandra
Keyword(s):  
Data Acquisition ◽  
Commercial Vehicle ◽  
Failure Simulation ◽  
Heavy Commercial Vehicle

Research on Steering Control of Multi-Axle Steering Heavy Commercial Vehicle Based on Reducing Tire Wear

2020 ◽  
Vol 4 (1) ◽  
Author(s):  
Pan Kaiqiang ◽  
Kaiqiang Pan ◽  
Zheng Hongyu ◽  
Hongyu Zheng ◽  
Jianjun Wu ◽  
...  
Keyword(s):  
Commercial Vehicle ◽  
Steering Control ◽  
Tire Wear ◽  
Heavy Commercial Vehicle
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