AN OPTICAL FIBER GUIDANCE PAYOUT TENSION AND TORQUE MEASUREMENT SYSTEM EMPLOYING MAGNETIC BEARINGS

Award Information
Agency: Department of Defense
Branch: Navy
Contract: N/A
Agency Tracking Number: 15528
Amount: $49,957.00
Phase: Phase I
Program: SBIR
Awards Year: 1991
Solitcitation Year: N/A
Solitcitation Topic Code: N/A
Solitcitation Number: N/A
Small Business Information
Satcon Technology Corpon
12 Emily Street, Cambridge, MA, 02139
Duns: N/A
Hubzone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 Dr James R Downer
 Principal Investigator
 (617) 661-0540
Business Contact
Phone: () -
Research Institution
N/A
Abstract
EXISTING OPTICAL FIBER GUIDANCE PAYOUT TENSION AND TORQUE MEASUREMENT SYSTEMS (TTMS) HAVE INADEQUATE PERFORMANCE. VIBRATIONS LIMIT SYSTEMS USING AIR BEARINGS AND CALIBRATED LOAD CELLS TO SAMPLING RATES ONTHE ORDER OF TEN HERTZ. MOUNTING THE PAYOUT BOBBIN ON AN INSTRUMENTED BEAM ACHIEVES ACCEPTABLE SAMPLING RATES, BUT . THERMAL CHARACTERISTICS, ELASTIC COUPLING, AND DIFFICULTY IN ADAPTING TO A ROTATING BOBBIN LIMITED PERFORMANCE. SATCON TECHNOLOGY CORPORATION PROPOSES TO DEVELOP THE NEXT GENERATION TEST BED FOR OPTICAL FIBER GUIDANCE PAYOUT CHARACTERIZATION. A MAGNETIC BEARING TTMS WILL OVERCOME LIMITATIONS OF PREVIOUS APPROACHES. THE MAGNETIC BEARINGS WILL USE SERVOCONTROLLED MAGNETIC FIELDS TO PROVIDE CONTACT-FREE SUPPORT, AVOIDVIBRATIONAL AND ELASTIC EFFECTS, AND IMPROVE MEASUREMENT ACCURACY. THE SYSTEM WILL EMPLOY A SIX DEGREE-OF-FREEDOM MAGNETIC ACTUATOR, PREVIOUSLY DEVELOPED BY SATCON, INTEGRATED WITH COMMERCIAL POSITION SENSORS, SWITCHING POWER AMPLIFIERS, AND A STATEOF-THE-ART DIGITAL SIGNAL PROCESSOR TO PROVIDE BOBBIN FORCE AND MOMENT DATA AT FREQUENCIES SUFFICIENTLY HIGH THAT SEVERAL DATA POINTS CAN BE OBTAINED AS EACH TURN IS PULLED FROM THE PAYOUT BOBBIN. SATCON HAS PROVEN TRACK RECORDIN APPLYING MAGNETIC BEARING SYSTEM AND FORCEREBALANCE TECHNOLOGY. SCIENTISTS FROM OPTELECOM, INC. WILL AUGMENT SATCON-S EXPERTISE BY CONSULTING ON OPTICAL FIBER PAYOUT SYSTEMS.

* information listed above is at the time of submission.

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