Method and system for measurement of road profile

Details Method and system for measurement of road profile Method and system for measurement of road profile

1982-04-27

1983-12-27

Swisher, S. Clement

Measuring and testing

Surface and cutting edge testing

Roughness

73146, G01B 528

Patent

active

044223226

ABSTRACT:
Apparatus and method for use on a measurement vehicle to measure road surface profile independently of variations in vehicle velocity over the road surface. Transducers are mounted on the vehicle suspended mass for measuring distance (W-Y) to the road surface and acceleration Y normal to the road surface as the vehicle is propelled over the road surface. A third transducer is responsive to fixed increments ds of vehicle travel over the road surface. Surface profile is determined as a continuous function of the time-independent equation

REFERENCES:
patent: 3151235 (1964-09-01), Greenshields
patent: 3266302 (1966-08-01), Spangler et al.
patent: 3353404 (1967-11-01), Swift
patent: 3888118 (1975-06-01), Nims
patent: 3983746 (1976-10-01), Phillips et al.
patent: 4100795 (1978-07-01), Panette
GMR Road Profilometer, A Method for Measuring Road Profile, by Elson B. Spangler and William J. Kelly, Research Publication GMR-452, Dec. 22, 1964.

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