Inertial Kearfott Corporation Measurement Unit
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1 Kearfott Corporation a subsidiary of Astronautics Corporation of America Ring Laser Gyros Monolithic design Compact size High accuracy Excellent reliability Proven Technologies Fiber Optic Gyros High accuracy Long life / Low noise Low power consumption Closed loop design Electronics and Software Superior reliability Embedded GPS INS Sensor fusion algorithms CMMI3 software process Innovative Solutions Accelerometers High accuracy Compact size Force rebalance design Excellent reliability < 0.8 nmi/hr* 136 in 3 7.5 lb < 6 nmi/hr* 81 in 3 3 lb < 30 nmi/hr* 30.5 in 3 <1.7 lb Inertial Measurement Unit Scalable Performance, Size, Weight Nav Grade IMU Best SWaP available in performance class High performance guidance for manned, unmanned & missile platforms Compact, lightweight & affordable Configurable for Sea, Land & Air applications Flexible kit architecture supports weight & envelope constraints *1-hr Free Inertial Navigational Performance, 1-sigma F 3 to industry standard tactical FOG IMU Kearfott Corporation Guidance Navigation Division 1150 McBride Avenue Little Falls, NJ 07424 (973) 785-6000 [email protected] www.kearfott.com
Transcript of Inertial Kearfott Corporation Measurement Unit
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Proprietary Information A subsidiary of Astronautics Corporation of AmericaKearfott Corporation
Kearfott Corporationa subsidiary of Astronautics Corporation of America
Ring Laser Gyros Monolithic design Compact size High accuracy Excellent reliability
Proven Technologies
Fiber Optic Gyros High accuracy Long life / Low noise Low power consumption Closed loop design
Electronics and Software Superior reliability Embedded GPS INS Sensor fusion algorithms CMMI3 software process
Innovative Solutions
Accelerometers High accuracy Compact size Force rebalance design Excellent reliability
< 0.8 nmi/hr*136 in3
7.5 lb
< 6 nmi/hr*81 in3
3 lb
< 30 nmi/hr*30.5 in3
<1.7 lb
Inertial Measurement Unit
Scalable Performance,Size, Weight
Nav Grade IMU
Best SWaP available in performance class
High performance guidance for manned, unmanned & missile platforms
Compact, lightweight & affordable
Configurable for Sea, Land & Air applications
Flexible kit architecture supports weight & envelope constraints
*1-hr Free Inertial Navigational Performance, 1-sigma
F3 to industry standard tactical FOG IMU
Kearfott CorporationGuidance Navigation Division1150 McBride AvenueLittle Falls, NJ 07424(973) 785-6000 [email protected] www.kearfott.com
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Proprietary Information A subsidiary of Astronautics Corporation of AmericaKearfott Corporation
IMU Performance Characteristics KIMU-24 KIMU-16 IMU 42FOG
Gyro Bias Stability (°/hr) < 0.006 0.035 – 0.080 <0.5Gyro Random Walk (°/√hr) < 0.003 < 0.02 < 0.02Gyro Scale Factor (PPM) < 25 < 50 < 150Acceleration Bias (µg) < 50 < 100 < 1000Acceleration Random Walk (m/s/√hr) < 0.005 < 0.005 < 0.005Acceleration Scale Factor (PPM) < 50 < 100 < 300Acceleration Vibration Rectification (µg/g2 RMS) 15 15 50
System Characteristics KIMU-24 KIMU-16 IMU 42FOG
Size (cubic inches) < 100 43 < 31Weight (lbs.) 8 4 1.7Power (watts) 18 15 15Operational RangesAcceleration (g) > 30, all axes 4.6, 30, 50, 60Attitude (Roll, Pitch, Azimuth) unlimited unlimitedAttitude Rate (°/s) > 300 2,000Attitude Acceleration (°/s2) 10,000 10,000Temperature (°C) -54 to +71 -45 to +71I/OPower Input (VDC) +5,±15 / 28 +5, ±15Interface RS-422, RS-232 SDLC, RS-422Data Rates (Hz) Configurable 100 to 4800
Mechanical isolation is tailorable for specified applications.Information contained herein is for reference only; Specifications are subject to change.
Kearfott Inertial Measurement UnitIncorporating proven sensor technology and innovative packaging for industry-leading size,weight, power and performance.
Kearfott CorporationGuidance Navigation Division1150 McBride AvenueLittle Falls, NJ 07424(973) 785-6000 [email protected] www.kearfott.com
