This content is not included in
your SAE MOBILUS subscription, or you are not logged in.
Combined Hill Descent Braking Strategy for Heavy Truck in the Featured-Slope
Technical Paper
2017-01-2535
ISSN: 0148-7191, e-ISSN: 2688-3627
This content contains downloadable datasets
Annotation ability available
Sector:
Language:
English
Abstract
The continuous braking for the brake drum will cause the brake thermal decay when the heavy truck is driving down the long slope in the mountain areas. It reduces the heavy truck’s braking performance and the braking safety. The engine braking and the hydraulic retarder braking both consume the kinetic energy of the heavy truck and can assist the truck driving in the mountain areas. This research proposes a combined hill descent braking strategy for heavy truck based on the recorded information of the slopes to ensure the braking safety of the heavy truck. The vehicle dynamic model and the brake drum temperature rising model are established to analyze the drum’s temperature variation during the downhill progress of the heavy truck. Then based on the slope information, the combined braking temperature variation is analyzed considering the characteristics of the engine braking, the drum braking and the hydraulic retarder braking. The research result shows that the brake drum’s temperature decreases by 69.9°C and reaches 193.1°C after the heavy truck goes down the chosen slope with the combined braking strategy. The brake thermal decay of the brake drum could be avoided and the brake safety could be ensured after using the combined hill descent braking strategy.
Recommended Content
| Technical Paper | Evaluation of Braking Strategies on Downgrades |
| Technical Paper | Relative Likelihood of Injury in Accidents as a Function of Occupant Size and Weight |
| Ground Vehicle Standard | Outboard Mounted Brake Drum/Disc Wheel Hub Interface Dimensions - Truck and Bus |
Authors
Topic
Citation
Xu, Y., Mei, B., Xiao, L., XIA, W. et al., "Combined Hill Descent Braking Strategy for Heavy Truck in the Featured-Slope," SAE Technical Paper 2017-01-2535, 2017, https://doi.org/10.4271/2017-01-2535.Data Sets - Support Documents
| Title | Description | Download |
|---|---|---|
| Unnamed Dataset 1 | ||
| Unnamed Dataset 2 |
Also In
References
- Wang Z , Yu Q , Han F et al. Research on a Brake Temperature Model of Heavy-Duty Trucks Braking on Long Downhill[J] Journal of Highway & Transportation Research & Development 2016 90 96
- Lin C , Zhao X Setting of hydraulic retarder energy dissipating formula[J] Journal of Machine Design 2014 03 80 84
- Yu Qiang , Chen Yinsan , Ma jian et al. Ability of bus engine-braking at downhill[J] Journal of Chang’an University (Natural Science Edition) 2003 02 95 97
- Zhao Hanxue , Wang Jinyang Downhill Ability for Commercial Vehicle with Exhaust Brake[J] Gansu Science and Technology 2014 09 38 40
- Zhou , Q. , Tan , G. , Guo , X. , Fang , Z. et al. Relationship between Braking Force and Pedal Force of a Pedal Controlled Parallelized Energy-Recuperation Retarder System SAE Technical Paper 2014-01-1783 2014 10.4271/2014-01-1783
- Wang Yuanzhang The Simulation Study of Hydraulic Retarder's Br along Characteristics Based on Simulink[D] Chang'an University 2015
- Liu Changliang Dynamic Analysis and Braking Performance Optimization of Drum Brake[D] Jilin University 2011
- Zhang Weilong Simulation and Experimental Study of the Engine Braking Characteristics in the Heavy Lorries[D] Chang'an University 2014
- Yu Zhisheng Automotive Theory[M] China Machine Press 2009
- Gong Jinke , Yan Sheng , Huang Zhangwei et al. Performance Simulation of Engine Supplementary Brake[J] China Mechanical Engineering 2014 09 1268 1272
- Lu Zhonghua , Cheng Xiusheng Simulation Study on the Brake Performance of Heavy-duty Vehicle Hydraulic Retarder[J] Automotive Technology 2009 03 22 24
- Shi peilong , Yu Qiang , Yu Man et al. Research on Brake Heating Model for Heavy-duty Truck on Long Downhill[J] Journal of Highway and Transportation Research and Development 2016 01 147 152
- Zhou Ronggui Study on Highway Longitudinal Gradient and Grade Length Limit[D] Beijing University of Technology 2004
- Yu Qiang study on Downhill Continuous Braking Performance of Automobile[D] Chang'an University 2000
- Incropera F. P. , DeWitt D. P. Fundamentals of Heat and Mass Transfer[M] Beijing Chemical Industry Press
- Wang Junhua , Fang Shouen , Chen Yu Research and demonstration of traffic accident prevention technology for Expressway[M] Shanghai Tongji University Press 2011
- Zhang Rui Study on Adaptive Vehicle Speed Control Based on Road Geometric Characteristics [D] Wuhan University of Technology 2014
- Highway Engineering Department of China Engineering Construction Standardization Association Technical Standard of Highway Engineering[M] China Communications Press 2004