USA flag logo/image

An Official Website of the United States Government

EVALUATION TECHNIQUES FOR ADAPTIVE OPTICS CONTROL SYSTEMS

Award Information

Agency:
Department of Defense
Branch:
Air Force
Award ID:
17890
Program Year/Program:
1995 / SBIR
Agency Tracking Number:
17890
Solicitation Year:
N/A
Solicitation Topic Code:
N/A
Solicitation Number:
N/A
Small Business Information
ALPHATECH, INC.
6 New England Executive Park Burlington, MA 01803
View profile »
Woman-Owned: No
Minority-Owned: No
HUBZone-Owned: No
 
Phase 2
Fiscal Year: 1995
Title: EVALUATION TECHNIQUES FOR ADAPTIVE OPTICS CONTROL SYSTEMS
Agency / Branch: DOD / USAF
Contract: N/A
Award Amount: $705,452.00
 

Abstract:

THIS PROPOSAL WILL REFINE RECENT STABILITY-ROBUSTNESS AND PERFORMANCE-ROBUSTNESS METHODS FROM MULTIVARIABLE FEEDBACK CONTROL THEORY AND USE THESE CONCEPTS TO DEVELOP PRACTICAL TESTING TECHNIQUES, AND EVENTUALLY TESTING HARDWARE, FOR EVALUATING PERFORMANCE PROPERTIES OF ADAPTIVE OPTICS SYSTEMS. THE KEY TO THE DEVELOPMENT OF THE TESTING METHODOLOGY AND HARDWARE IS THE EXPERIMENTAL CALCULATION OF THE SINGULAR VALUES VERSUS FREQUENCY OF RELEVANT (SENSITIVITY AND CLOSED-LOOP) TRANSFER FUNCTION MATRICES ASSOCIATED WITH THE ADAPTIVE OPTICS FEEDBACK CONTROL SYSTEM. AN AUTOMATED TESTING PROCEDURE INVOLVING AN INTEGRATED SET OF TEST HARDWARE AND SOFTWARE WILL BE DEVELOPED. THIS TEST HARDWARE WILL INJECT A VECTOR OF SINUSOIDS (AMPLITUDE AND PHASE) AT THE SYSTEM SENSORS FOR A RANGE OF FREQUENCIES. THE SOFTWARE WILL TRANSLATE THIS SINUSOIDAL INFORMATION INTO THE APPROPRIATE SINGULAR VALUES FOR EVALUATING STABILITY MARGINS, TOLERANCES TO STRUCTURED AND UNSTRUCTURED MODELING ERRORS, AND PERFORMANCE-ROBUSTNESS USING THE SO-CALLED STRUCTURED SINGULAR VALUE METHODOLOGY (MICROANALYSIS). FURTHERMORE, THROUGH THE USE OF THE SINGULAR VALUE DECOMPOSITION (SVD) THEOREM, THE EXPERIMENTAL DATA CAN BE USED TO DERIVE A COMPLETE MULTI-INPUT MULTI-OUTPUT DYNAMIC MODEL OF THE CLOSED-LOOP ADAPTIVE OPTICS SYSTEM.

Principal Investigator:

Dr Sol W. Gully
6172733388

Business Contact:

Small Business Information at Submission:

Alphatech, Inc.
50 Mall Road Burlington, MA 01803

EIN/Tax ID:
DUNS: N/A
Number of Employees:
Woman-Owned: No
Minority-Owned: No
HUBZone-Owned: No