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ABS Strategies for Heavy Vehicles

Research aimed at improving the performance of ABS systems in heavy vehicles.

Current heavy vehicle ABS uses an inefficient heuristic control approach, which works on cycles of predicting and superseding the limits of tyre-road adhesion, and then reducing brake pressure to allow the wheel to rotate again. An alternative approach to ABS is wheel slip control, which optimizes tyre slip continuously during braking, thereby maximizing deceleration while maintaining vehicle maneuverability. The goal of this research project is to develop a practical wheel slip control system suitable for commercial use on articulated vehicles. The investigation includes studies of novel methods of actuation, advanced controller designs, and integrated parameter estimation algorithms.

Vehicle tests recently carried out using the CVDC's slip control braking system (incorporating the group's own high-speed ABS modulator valves) achieved significant reductions in stopping distance and air consumption compared to a conventional HGV ABS system. Video footage of one of the braking tests can be found on Youtube, or downloaded using the link below.

Further Information

2Gvalve
Video of novel ABS Valve


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The Mechanics of Heavy Duty Trucks and Truck Combinations - A Four Day Professional Development Course: 7-10 July, 2014

Jan 28, 2014

The Cambridge Vehicle Dynamics Consortium (CVDC) is pleased to present a four day event focussed on the dynamics of heavy goods vehicles. The event will include the definitive UMTRI course on heavy truck dynamics as well as hardware and software demonstrations and hands-on exercises.

Slip Control Braking Vehicle Tests Completed

Nov 06, 2013

Researchers in the CVDC recently completed the first set of full scale straight-line braking tests on the CVDC's new slip control braking system.

Advanced Braking Technology featured in Transport Engineer

Feb 12, 2013

Advanced Braking Technology: Cover Story of 'Transport Engineer' February 2013

Anthony Best Dynamics Joins the CVDC

Dec 03, 2012

CVDC is pleased to announce Anthony Best Dynamics (ABD) as the newest member of the consortium.

Volvo Donates Tractor Unit to CVDC

Nov 27, 2012

The CVDC was delighted to receive a new FH12 tractor unit from Volvo Trucks during the CVDC meeting in September 2012.

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Upcoming events

The Mechanics of Heavy Duty Trucks and Truck Combinations - A four Day Professional Development Course

Jul 07, 2014

Department of Engineering, University of Cambridge, Trumpington Street, Cambridge CB2 1PZ

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