[특허]Gyroscopic system for boresighting equipment

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G01C-015/00 G01C-019/38 G01C-019/00
출원번호	US-0756383 (2004-01-14)
발명자 / 주소	Jaklitsch,James J Ehart,Adam F. Jones,Doug A Markey,Jay M Landsberg,Gary B
출원인 / 주소	AAI Corporation
대리인 / 주소	Venable, LLP
인용정보	피인용 횟수 : 16 인용 특허 : 33

초록 ▼

A gyroscopic system for translating parallel and non-parallel lines between a reference line and a device to be aligned with respect to the reference line is provided. The system includes a first inertial sensor configured to be substantially stationary, the first inertial sensor comprising a first

A gyroscopic system for translating parallel and non-parallel lines between a reference line and a device to be aligned with respect to the reference line is provided. The system includes a first inertial sensor configured to be substantially stationary, the first inertial sensor comprising a first three-axis gyroscopic sensor configured to produce an output signal and a reflector. A second inertial sensor is configured to be portable so as to be positionable adjacent to the first inertial sensor and comprises a gimbal restricted to two physical axes, a gimbal drive system, an electromagnetic energy beam generator, a second three-axis gyroscopic sensor configured to generate an output signal, and a collimator. The collimator is operable to determine an angle between a beam projected by the beam generator and a beam reflected from the reflector and to generate an output signal indicative of the determined angle. A control circuit is operable to process output signals generated by the collimator and the first and second three-axis gyroscopic sensors and determine relative orientations of the first and second inertial sensors with respect to each other.

대표청구항 ▼

What is claimed is: 1. A gyroscopic system for translating parallel and non-parallel lines between a reference line and a device to be aligned with respect to the reference line, comprising: a first inertial sensor configured to be substantially stationary, said first inertial sensor comprising a f

What is claimed is: 1. A gyroscopic system for translating parallel and non-parallel lines between a reference line and a device to be aligned with respect to the reference line, comprising: a first inertial sensor configured to be substantially stationary, said first inertial sensor comprising a first three-axis gyroscopic sensor configured to produce an output signal and a reflector; a second inertial sensor configured to be portable so as to be positionable adjacent to said first inertial sensor and comprising a gimbal restricted to two physical axes, a gimbal drive system, an electromagnetic energy beam generator, a second three-axis gyroscopic sensor configured to generate an output signal, and a collimator, said collimator being operable to determine an angle between a beam projected by said beam generator and a beam reflected from said reflector and to generate an output signal indicative of said determined angle; and a control circuit operable to process output signals generated by said collimator and said first and second three-axis gyroscopic sensors, to provide steering commands to the gimbal drive system to move the gimbal about its two physical axes such that the reflector and beam have a fixed orientation to perform calculations to compensate for a third physical axis, and determine relative orientations of said first and second inertial sensors with respect to each other. 2. The system of claim 1, further comprising a display unit receiving operator input and communicating with the control circuit. 3. The system of claim 1, further comprising an adapter coupled to the first inertial sensor for mounting the first inertial sensor to a vehicle and configured to hold the first inertial sensor at a predetermined angle offset from said reference line. 4. The system of claim 3, wherein the control circuit is operable to determine the relative orientations of said first and second inertial sensors with respect to each other taking into account the predetermined angle offset. 5. The system of claim 1, further comprising: a second reflector mountable on advice at a predetermined angle offset from the reference line; and wherein said second inertial sensor is configured to generate an output signal indicative of said determined angle and to determine a second angle between a beam projected by said beam generator and a beam reflected from the second reflector to generate an output signal indicative of said second angle. 6. The system of claim 5, wherein said a control circuit is operable to use said gyroscope output signals and data relating to the position of said gimbal relative to said reference line to determine the orientation of said device with respect to said reference line. 7. A method for reference sighting, comprising: a) determining a nominal mirror line in a base frame for each reference mirror; b) measuring a first measurement vector for the first reference mirror; c) logging an orientation of the first gyro and the second gyro at the time of the measuring; d) converting the measurement vector to quaternion form; e) computing an actual mirror line with respect to the nominal mirror line; f) virtually de-rolling the orientation of the second gyro; and g) causing the optical reference line to converge on the nominal mirror line. 8. The method of claim 7, further comprising repeating b)-f) for each mirror. 9. The method of claim 7, further comprising verifying the measured position correlates with the expected position. 10. The method of claim 9, further comprising repeating the mirror measurement if the measured position does not correlate with the expected position. 11. A method for aligning a device comprising: aligning a stationary inertial sensor with respect to a reference line; projecting an electromagnetic beam from a portable inertial sensor to a mirror coupled to said stationary inertial sensor and detecting the angle of the reflected beam; determining the relative position of said portable inertial sensor with respect to said stationary inertial sensor using the detected angle and output data from a first gyroscope provided in said stationary inertial sensor and a second gyroscope provided in said portable inertial sensor; controlling a two-axis gimbaled platform carrying circuitry for generating the electromagnetic beam to orient the platform about two axes; determining a compensation for movement of the platform about a third axis; and calculating a position of said device with respect to said reference line using said detected angle, said compensation and said output data. 12. The method of claim 11, further comprising: mounting the stationary inertial sensor to the device at a predetermined angle offset from said reference line; and determining the relative orientations of said portable and stationary inertial sensors with respect to each other taking into account the predetermined angle offset. 13. The method of claim 11, further comprising: receiving a trigger signal from an operator; and using an orientation of the portable inertial sensor as a starting position for an optical search.

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이 특허에 인용된 특허 (33) 인용/피인용 타임라인 분석

Ball James M. (Huntington Beach CA) Richman Issac (Newport Beach CA), Active boresight drift measurement and calibration apparatus.
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Knoll Frederick A. (Central Islip NY), Alignment detection system.
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Hassenpflug Wolfgang (Freiburg im Breisgau DEX), Apparatus for redundant axis stabilization and control of an aircraft.
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Thomas Frank J. (Orlando FL) Beauregard John G. (Orlando FL), Automatic laser boresighting.
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Pitalo Stephen K. (Huntsville AL) Walden Donnie T. (Cullman AL) Lay Henry P. (Huntsville AL), Boresight alignment verification device.
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Whitmore Stephen A., Closed-form integrator for the quaternion (euler angle) kinematics equations.
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Ash, Michael E.; DeBitetto, Paul A.; Kourepenis, Anthony S.; Thorvaldsen, Tom P., Compact navigation system and method.
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Lloyd Wayne B. (Baltimore MD) Chino John J. (Arnold MD), Distributed antenna array location apparatus.
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Hoffman Jay (Livingston NJ), Drift compensated gyroscope.
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Johnston James V. (Huntsville AL), Electronic azimuth transfer method and system.
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Wu Yeong-Wei A. (Rancho Palos Verdes CA) Hartman David F. (Chatworth CA) Youhanaie Mark (Playa Del Rey CA), FLIR boresight alignment.
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O\Connor Bernard J. (Eastchester NY) Pierry Joseph P. (Park Ridge NJ) Lanni Michael J. (Ridgewood NJ), Gyroscopic apparatus.
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Schulien Howard E. (Montville NJ) Bendett Raymond M. (Ridgewood NJ) Lanni Michael J. (Ridgewood NJ), Gyroscopic apparatus.
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Brook David L. (Watford GB2), Gyroscopic instruments.
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Hamilton Stephen B. (Baltimore MD) Jaklitsch James J. (Parkton MD) Reed Christopher J. (Pasadena MD) Sachulz Charles E. (Jarrettsville MD) Schulze Robert R. (Baltimore MD) Debelius Leslie H. (Manches, Gyroscopic system for boresighting equipment by optically acquiring and transferring parallel and non-parallel lines.
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Hamilton Stephen B. (Baltimore MD) Jaklitsch James J. (Parkton MD) Reed Christopher J. (Pasadena MD) Schulz Charles E. (Jarrettsville MD) Debelius ; Jr. Leslie H. (Manchester MD) McNelis Niall B. (Ba, Gyroscopic system for boresighting equipment by transferring a frame of reference.
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Rodloff K. Rudiger (Meinersen DEX) Stieler Bernhard F. M. (Braunschweig DEX) Lubeck H. B. Egmar (Braunschweig DEX) Wetzig Volker (Braunschweig DEX) Probst Reinhard H. F. (Braunschweig DEX), High resolution gyro system for precise angular measurement.
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Hunt Robert G. (Encino CA) Edwards Theodore B. (Santa Ana CA), Inertial free-sight system.
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Schneider Alfred,DEX ; Bauerbach Karl,DEX ; Renker Horst,DEX ; Neumann Werner,DEX, Inertial sensor arrangement with a heat insulated rigid sensor block.
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Schneider Alfred,DEX ; Geister Gotz,DEX, Inertial sensor unit.
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Russell Anthony W. (Aberdeenshire GB6) Russell Michael K. (Cheltenham GBX), Instruments for monitoring the direction of a borehole.
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Scheit Arnold (Munich DEX) Brderle Ernst (Ottobrunn DEX), Method for calibrating the gyros of a 3-axis stabilized satellite.
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Elmer Frank J. (Spring Lake Heights NJ), Method of determining relative orientation of physical systems.
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Weinberg Marc S. ; Bernstein Jonathan J. ; Kirkos Gregory A. ; Lee Tommy W. ; Petrovich Anthony, Microfabricated tuning fork gyroscope and associated three-axis inertial measurement system to sense out-of-plane rotation.
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Nicholson Eric (Bangor GB5), Optical aiming device.
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Romilly Fredrick J. (Warren MI), Sighting and laying system for a missile launcher.
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Brodie Peter Michael (Oakland NJ) Solov Edwin George (Wayne NJ), Simplified strapped down inertial navigation utilizing bang-bang gyro torquing.
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Thomas W. Ellington ; Bruce E. Exely ; Jeffrey S. Folmer ; William S. Lambros ; Thomas D. Linton ; John P. Buck, Jr. ; Russell R. Moning ; Peter M. Ellis ; Kenneth A. Roseman ; James R. Mars, Stabilized common gimbal.
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Levine Seymour (Woodland Hills CA) Taylor Marvin (Lexington MA), Stabilized gyrocompass.
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Hartmann Rudolf (Winter Park FL), Temperature stable boresight module.
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Griffin William S. (Manhattan Beach CA), Two-axis optical inertial system using a gyro rotor as a stable reference.
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[미국특허] Gyroscopic system for boresighting equipment 원문보기

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[미국특허] Gyroscopic system for boresighting equipment 원문보기

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