1990-10-01

The Compatibility of Air Disc Brakes and S-cam Brakes Installed on Combination Vehicles 902201

The analysis for the braking behavior of the combination vehicle installed air disc brakes on the tractor and air drum (S-cam) brakes on the trailer will be discussed in this paper.The behavior of the combination vehicle at curved road braking which affects vehicle motion strictly was analyzed and attempted to be improved through simulation calculations and vehicle running tests.Consequently, the ways to optimize the compatibility for combination vehicles that combine a disc brake system on the tractor with various trailer using drum brake systems were obtained. Installation of disc brakes on the tractor alone was found to improve fade resistance and speed spread in combination vehicle.

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