A Digital System for the Recording of Impact Velocity, Acceleration and Forming Load of a High Energy Rate Forming Machine

[+] Author and Article Information
O. Derriche, D. C. Hodgson

Department of Mechanical Engineering, University of Birmingham, Birmingham B15 2TT U.K.

J. Dyn. Sys., Meas., Control 109(4), 392-396 (Dec 01, 1987) (5 pages) doi:10.1115/1.3143872 History: Received September 10, 1985; Online July 21, 2009


A noncontacting device has been developed to measure the instantaneous displacement, velocity, or acceleration of a moving body. The device, based on a solid-state camera, has been used to measure some of the main parameters in a high-speed metal forming operation, though in principle it could be applied to almost any moving body. Errors associated with the digital nature of the measurement are discussed and evaluated.

Copyright © 1987 by ASME
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