CUED Publications database

An investigation of the effects of pneumatic actuator design on slip control for heavy vehicles

Miller, JI and Cebon, D (2013) An investigation of the effects of pneumatic actuator design on slip control for heavy vehicles. Vehicle System Dynamics, 51. pp. 139-164. ISSN 0042-3114

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Abstract

Progress in reducing actuator delays in pneumatic brake systems is opening the door for advanced anti-lock braking algorithms to be used on heavy goods vehicles. However, little has been published on slip controllers for air-braked heavy vehicles, or the effects of slow pneumatic actuation on their design and performance. This paper introduces a sliding mode slip controller for air-braked heavy vehicles. The effects of pneumatic actuator delays and flow rates on stopping performance and air (energy) consumption are presented through vehicle simulations. Finally, the simulations are validated with experiments using a hardware-in-the-loop rig. It is shown that for each wheel, pneumatic valves with delays smaller than 3ms and orifice diameters around 8mm provide the best performance. © 2013 Copyright Taylor and Francis Group, LLC.

Item Type: Article
Uncontrolled Keywords: actuator delay emergency braking hardware-in-the-loop one-dimensional flow pneumatic actuators sliding mode slip control
Subjects: UNSPECIFIED
Divisions: Div C > Applied Mechanics
Depositing User: Cron Job
Date Deposited: 07 Mar 2014 11:44
Last Modified: 08 Dec 2014 02:32
DOI: 10.1080/00423114.2012.717703