You are here

ALIGNMENT TRANSFER FOR HELICOPTER LAUNCHED INERTIALLY GUIDED MISSILES

Award Information
Agency: Department of Defense
Branch: Army
Contract: N/A
Agency Tracking Number: 15754
Amount: $49,922.00
Phase: Phase I
Program: SBIR
Solicitation Topic Code: N/A
Solicitation Number: N/A
Timeline
Solicitation Year: N/A
Award Year: 1991
Award Start Date (Proposal Award Date): N/A
Award End Date (Contract End Date): N/A
Small Business Information
1211 Nw 10th Ave
Gainesville, FL 32601
United States
DUNS: N/A
HUBZone Owned: No
Woman Owned: No
Socially and Economically Disadvantaged: No
Principal Investigator
 Dr Tushar K Ghosh
 Principal Investigator
 (904) 335-5895
Business Contact
Phone: () -
Research Institution
N/A
Abstract

THE OBJECTIVE OF THE PROPOSED PROGRAM IS TO DESIGN AN IN-FLIGHT TRANSFER ALIGNMENT SCHEME FOR THE INERTIAL MEASUREMENT UNIT (IMU) OF A HELICOPTER-LAUNCHED INERTIALLY GUIDED MISSILE. THE MISSILE, MOUNTED ON A HELICOPTER WING, IS SUBJECTED TO LARGE AMPLITUDE VIBRATIONS. CURRENT TRANSFER ALIGNMENT SCHEMES, DESIGNED FOR AIRPLANES OR GROUND APPLICATIONS, DO NOT ESTIMATE THE VIBRATION COMPONENT OF THE IMU MOTION. CONSEQUENTLY, THESE CURRENT SCHEMES DO NOT PROVIDE ESTIMATES OF INSTANTANEOUS MISSILE POSITION, AND THEREFORE, MAY NOT HAVE THE ALIGNMENT ACCURACY REQUIRED FOR A HELICOPTER-LAUNCHED INERTIALLY GUIDED MISSILE. THE INNOVATIVE ALIGNMENT SCHEME PROPOSED HEREIN EXPLICITY MODELS THE MISSILE VIBRATION MODES WITHIN THE TRANSFER ALIGNMENT KALMAN FILTER. MODELING WILL BE CONDUCTED BY ANALYZING AVAILABLE MISSILE VIBRATION DATA. CANDIDATE ALIGNMENT FORMULATIONS INVOLVING ATTITUDE, VELOCITY, AND POSITION MATCH BETWEEN THE MISSILE IMU AND THE CARRIER HELICOPTER INERTIAL NAVIGATION SYSTEM (INS) WILL BE EVALUATED AND COMPARED THROUGH COMPUTER SIMULATION. AN INNOVATIVE OPTICAL ALIGNMENT SCHEME WILL ALSO BE EXAMINED TO FURTHER IMPROVE THE ALIGNMENT PROCESS FOLLOWING THE INITIAL TRANSFER ALIGNMENT.

* Information listed above is at the time of submission. *

US Flag An Official Website of the United States Government