Stabilization Feasibility for an Unbalanced 90mm Gun

摘要

The objective of this study was to determine the feasibility of stabilizing an ARES 90mm gun on a 22-ton class combat vehicle. Since the major difference between the ARES gun and other guns currently on combat vehicles (from a stabilization point of view) is the large unbalance, this study is primarily concerned with the effect of the unbalance. The primary phenomenon of concern is acceleration's act on an unbalanced gun to produce torques in the drive system that move the gun away from its desired position. For turret traverse drives, these torques are small and do not usually constitute a significant error source. However, the impact on an elevation drive system can be large enough to produce unacceptable gun positioning errors. The magnitude of these errors is a function of the disturbances, the amount of unbalance, and the characteristics of the components in the drive system. In this report, the relationship of gun servo performance to hardware parameters is described in a qualitative and quantitative manner. The reasons for selecting a specific gun drive system are described, and a mechanization is defined for a servo to position the ARES 90mm gun. This servo is then analyzed to determine the pointing accuracy that can be expected. (Author)