An Optical Gun Muzzle Sensor To Improve Firing Accuracy

Raymond Carbonneau; Jacques Dubois; Geoffrey Harris

doi:10.1117/12.938637

25 November 1986 An Optical Gun Muzzle Sensor To Improve Firing Accuracy

Raymond Carbonneau, Jacques Dubois, Geoffrey Harris

Proceedings Volume 0661, Optical Testing and Metrology; (1986) https://doi.org/10.1117/12.938637
Event: 1986 Quebec Symposium, 1986, Quebec City, Canada

Abstract

Thermal deformations of gun/tank components can affect the firing accuracy of modern tanks. To alleviate this problem, an optical gun muzzle sensor has been designed to provide corrections to the computer-generated signals responsible for fire control. This paper first summarizes some typical deformations that induce firing inaccuracies, then reviews various optical approaches to sensing the angular position of a gun and finally, discusses the design of an optical instrument recently developed in Canada for this purpose. The technique involves a laser diode transmitter/receiver mounted on a turret roof and a small mirror at the gun muzzle to reflect the laser beam. Thermal distortions induce a beam deflection which is measured by an analogue, two-axis position sensing detector whose output signals are converted into angular corrections and sent to the fire control computer. The optical design and some specific engineering problem's are thoroughly discussed.

Citation Download Citation

Raymond Carbonneau, Jacques Dubois, and Geoffrey Harris "An Optical Gun Muzzle Sensor To Improve Firing Accuracy", Proc. SPIE 0661, Optical Testing and Metrology, (25 November 1986); https://doi.org/10.1117/12.938637

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