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40 Cards in this Set
- Front
- Back
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What is INS not affected by? |
WIND/ RAIN/ VISIBILITY/ OTHER ATMOSPHERIC CONDITIONS |
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WHAT REQUIRES MINIMAL OUTSIDE INFORMATION TO TRACK THE POSITION OF AN AIRCRAFT OR VESSEL? |
INERTIAL NAVIGATION SYSTEMS (INS) |
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WHAT DOES INS USE TO TRACK THE POSITION OF AIRCRAFTS OR SHIPS? |
PHYSICAL LAWS OF MOTION & INTEGRATING ALL ACCELERATION VALUES DETECTED OVER A PERIOD OF TIME. |
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WHAT DOES INS PROVIDE ACCURATE INFORMATION ON? |
HEADING/ATTITUDE/PRESENT POSITION/GROUND SPEED. |
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WHAT DOES ATTITUDE CONSIST OF? |
ROLL/PITCH/YAW |
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WHAT MAKES UP PRESENT POSITION? |
LOCAL LATITUDE AND LONGITUDE |
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WHAT IS THE MAJOR ADVANTAGE INS HAS OVER OTHER TYPES OF NAVIGATION SYSTEMS? |
SECURITY. |
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CAN INS BE JAMMED? |
NO. |
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WHAT IS INS COMPLETELY INDEPENDENT OF? |
CELESTIAL/SIGHT/RADIO AIDS. |
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WHAT METHOD OF NAVIGATION DOES INS USE? |
DEAD RECKONING. |
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WHAT KNOWN INFORMATION DOES DEAD RECKONING USE TO ESTIMATE YOUR POSITION? |
PREVIOUS POSITION/COURSE/SPEED/ELAPSED TIME |
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WHAT ARE NEWTON'S 3 LAWS OF MOTION? |
INERTIA/FORCE/RECIPROCAL ACTIONS |
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WHICH LAW STATES FORCE EQUAL TO THE CHANGE OF MOMENTUM PER CHANGE IN TIME? |
2ND LAW. |
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WHAT IS A CHANGE IN MOTION THAT REQUIRES A FORCE INPUT? |
ACCELERATION. |
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WHAT IS THE MATHEMATICAL PROCESS OF SUMMING ALL RATES OF CHANGE OVER A GIVEN PERIOD OF TIME? |
INTEGRATION. |
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WHAT IS DISPLACEMENT? |
DIFFERENCE BETWEEN INITIAL POSITION OF SOMETHING AND ANY LATER POSITION. |
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WHAT IS THE FORMULA FOR VELOCITY? |
V=AT |
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WHAT IS THE RESULT OF INTEGRATING VELOCITY WITH RESPECT TO TIME? |
DISPLACEMENT. |
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WHY DOES NAVIGATING ON THE EARTH REQUIRE A HIGHLY COMPLEX INERTIAL SYSTEM CAPABLE OF EXTREME ACCURACY? |
GRAVITATIONAL PULL/ TILTED AXIS/ VARYING RADIAL DISTANCES |
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WHAT ARE THE 4 PRIMARY COMPONENTS OF INS? |
ACCELEROMETER/SERVO SYSTEM/GYROSCOPE/COMPUTER |
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WHAT IS A SPINNING BODY THAT TENDS KEEP ITS SPIN AXIS RIGIDLY POINTED IN A FIXED DIRECTION IN SPACE? |
GYROSCOPES. |
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WHAT IS A POWER-DRIVEN MECHANISM THAT INCREASES THE FORCE OF THE GYROSCOPE? |
SERVO SYSTEM |
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WHAT IS THE COMPUTER USED FOR? |
READS AND INTERPRETS THE OUTPUT OF THE COMPONENTS. |
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WHAT IS THE PRIMARY SOURCE OF INFORMATION FOR INS CONSISTING OF A MASS THAT IS FREE SLIDE ALONG THE SENSITIVE AXIS WITHIN THE CASE AND HAS AN OUTPUT SIGNAL CONSISTING TOTAL ACCELERATIONS? |
BASIC ACCELEROMETER. |
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WHICH OF NEWTON'S LAWS IS THE OPERATION OF AN ACCELEROMETER IS BASED ON? |
2ND LAW: INERTIA AND FORCE |
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WHAT HAS AN ACCELEROMETER THAT IS MOUNTED TO DETECT ONLY ACCELERATION IN THE DESIRED GEOMETRICAL PLANE? |
E-TRANSFORMERS |
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IN WHAT DIRECTION DOES THE E-TRANSFORMER MEASURE ACCELERATION WHEN THE PENDULOUS MASS SWINGS OFF ITS NULL (ZERO) POSITION? |
DIRECTION OPPOSITE OF ACCELERATION. |
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WHAT IS THE NUMBER OF A GYRO'S AXES AND DEGREES OF FREEDOM DETERMINED BY? |
NUMBER OF GIMBAL RINGS USED TO SUPPORT THE MOTOR. |
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HOW MANY GIMBAL RINGS AND DEGREES OF FREEDOM DOES A UNIVERSALLY MOUNTED GYROSCOPE HAVE? |
2 GIMBAL RINGS/2DEGREES |
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ON A UNIVERSALLY MOUNTED GYROSCOPE, WHICH AXIS ALLOWS THE INNER GIMBAL RING TO TILT ABOUT THE HORIZONTAL AXIS? |
Y |
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ON A UNIVERSALLY MOUNTED GYROSCOPE, WHICH AXIS ALLOWS THE OUTER GIMBAL RING TO TURN ABOUT THE VERTICAL AXIS? |
Z |
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WHAT DOES THE X AXIS ALLOW FOR? |
ROTOR TO SPIN |
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WHAT ARE THE COMPONENTS OF THE UNIVERSALLY MOUNTED GYROSCOPE? |
ROTOR/ INNER-OUTER GIMBAL/ SUPPORT OR BASE |
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WHAT PERMITS THE ROTOR TO ASSUME ANY POSITION IN SPACE AND RETAIN THAT POSITION WHEN THE SUPPORT IS TIPPED OR MOVED? |
INNER/OUTER GIMBAL |
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HOW MANY FUNDAMENTAL PROPERTIES DOES A SPINNING GYROSCOPE HAVE? |
2 |
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WHAT IS THE STRENGTH WITH WHICH A GYRO RESISTS ANY EXTERNAL FORCE THAT WOULD TILT ITS ROTOR'S SPIN AXIS. |
RIGIDITY OF PLANE (GYRO RIGIDITY) |
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WHAT IS THE PRINCIPLE OF PRECESSION? |
FORCE APPLIED TO THE ROTOR WILL BE FELT 90 DEGREES AWAY IN THE DIRECTION OF ROTATION. |
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WHAT IS THE EFFECT OF A GYROSCOPE SEEMING TO ROTATE AROUND ITS HORIZONTAL AXIS CALLED? |
APPARENT ROTATION/HORIZONTAL EARTH RATE EFFECT |
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WHERE MUST THE CENTER OF GRAVITY BE LOCATED TO HAVE A BALANCED GYRO? |
INTERSECTION OF THE THREE AXES OF THE GYRO. |
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WHEN CONVERTING A GYROSCOPE TO A GYRO COMPASS WHAT MUST YOU ADD WEIGHT TO? |
BOTTOM GIMBAL & EAST SIDE OF THE SPHERE |
