Accession Number:

ADA196940

Title:

Collision Course Guidance for Discretely Maneuverable Projectiles

Descriptive Note:

Final technical rept.

Corporate Author:

SPARTA INC LAGUNA HILLS CA

Personal Author(s):

Report Date:

1988-05-16

Pagination or Media Count:

32.0

Abstract:

The objective of this program was to develop a guidance law for a projectile that has discrete maneuver capability. This type of guidance is motivated by the Command Adjusted Trajectory CAT program. The CAT fire control system command guides a tank-fired projectile, which is controlled by firing small squib motors. Since there are a finite number of squibs on a projectile, the guidance law should minimize the use of divert maneuvers while achieving acceptable miss distance. The primary target of the CAT system is a helicopter however, the fire control system must be also capable of guiding projectiles in an anti-armor vehicle mission. Good correlation between analytical and Monte Carlo results are presented. Collision course guidance is shown to be superior to predictive proportional navigation for the CAT application. Collision course guidance yields near minimum squib control fuel usage while achieving acceptable miss distance.

Subject Categories:

  • Navigation and Guidance
  • Fire Control and Bombing Systems
  • Ballistics

Distribution Statement:

APPROVED FOR PUBLIC RELEASE