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Road Transducer - Objective Brake Balance Measurement Without Vehicle Instrumentation
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Language:
English
Abstract
During braking, the ability to utilize available tire-road friction is determined by brake balance. Previous methods for objectively measuring balance require various degrees of vehicle instrumentation and modification. The Road Transducer is a new measurement technique based on instrumented sections of roadway. Individual braking forces developed by each wheel are measured without vehicle instrumentation, modification, or special set up. This facilitates assessment of many vehicles required for statistical analyses. Brake balance data for several hundred vehicles are presented and provide insight to the nominal levels and variability of braking efficiencies found in the field.
Citation
Wolanin, M. and Baptist, T., "Road Transducer - Objective Brake Balance Measurement Without Vehicle Instrumentation," SAE Technical Paper 870266, 1987, https://doi.org/10.4271/870266.Also In
References
- SAE Recommended Practice J843d “Brake System Road Test Code - Passenger Car and Light-Duty Truck,” Society of Automotive Engineers, Inc. Warrendale, PA
- Radlinski R. W. Flick M. A. “A Vehicle Test Procedure for Determining Adhesion Utilization Properties,” Paper 840334, Proceedings of the International Congress & Exposition Society of Automotive Engineers, Inc. Detroit, MI 1984
- National Highway Traffic Safety Administration “General Motors Corporation Response to Proposed FMVSS 135 - Passenger Car Brake Systems Docket 85−06, Notice 1, USG 2456,” January 1986
- ASTM Standard Test Method E 274−79 “Skid Resistance of Paved Surfaces Using a Full-Scale Tire,” American Society for Testing and Materials Philadelphia, PA