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IMU Sensor
PowerSupply
27th Nanhee,Kim
1
IMUSensor Acceleration
Sensor
GyroSensor Terrestrial
Magnetism
Sensor
2 3 4
CONTENTS
321
GyroSensor
Acceleration
Sensor
IMU
Sensor
4
Terrestrial
Magnetism
Sensor
InertialMeasurementUnit
??????
??? ??? ???? ??
IMUSensor
Acceleration Gyro
IMUSensor
Terrestrial
Magnetism
?????????????????
Drone
???? ?? ?? ???? ?? ???
? ? ??? ???? ??? ?? ??
SmartPhone
??? ? – ???? ?? ??
??? ??? ?? – ??? ??
MotorCycle
???? ?? ???? ???? ??
??? ??? ?? ?? ??? ??? ???
??? ABS, ?? ???, ??? ???,
?? ??? ???? ?
???? ?? ?? ??
???,??,???,
??,??????
????
IMUSensor???
321
GyroSensor
IMU
Sensor
Acceleration
Sensor
4
Terrestrial
Magnetism
Sensor
????????????????????????????
F = ma
AccelerationSensor
???????????????
??????X?+Y?+Z?????
??? ??? ??? ?? ?? ??
AccelerationSensor
Y?
??
??
???????→g?0(??????)→????X
??? ??? ??,
??? ? ?? ?? ??
AccelerationSensor??
?? ???? ??,
??? ???? ???
AccelerationSensor??
??????????????????,
??, ??? ??, ???? ??? ???? ?? ??
→ Gyro Sensor? ??
AccelerationSensor??
????????,?????????
??
321
Acceleration
Sensor
IMU
Sensor
Gyro
Sensor
4
Terrestrial
Magnetism
Sensor
??????,
????????????????
GyroSensor
?(???)
X?,Y?,Z?????????
GyroSensor
?? ??? ??? 0
??????????→????
??????→?????
GyroSensor
While(1){
Angle.x += gyro.x;}
???????????????????????
?? ?? ?? → ?? ?? ?? ??
GyroSensor??
????
?????????,
???????????
GyroSensor??
?? ?? OR ?? ??
?? ??? ???,
?? ?? ??? ????
?? ?? ? ??? ??
GyroSensor??
????????????
???????????????????????,
????????
???? ?? ?? ? ??? ??,
?? ?? ?? ???? ??? ??? ? ??
→ Acceleration Sensor? ??
GyroSensor??
??????????????
??
??? ??? ???? ? ??
????? ?? ???? ??? ??????.
GyroSensor??
GyroSensor???????
???????????????
?????
Acceleration&GyroSensor????
????????
??????
Acceleration Gyro
?????
??????
???????
???
???????
??????? ???????????
Acceleration&GyroSensor??
Roll,Pitch,Yaw
X?????:Roll Y?????:Pitch Z?????:Yaw
???????
????
Roll,Pitch,Yaw???:AccelerationSensor
Roll
Pitch
Yaw
Roll,Pitch,Yaw???:AccelerationSensor
Yaw ??
?? ? ?? Yaw ?? ??? ??? ??
?? ???? ???? Yaw?? ? ? ???,
‘??’? ?? ‘????’?? ???? ?? ??.
?? ????? ???? ?????? ?????,
?? ???? ?????? ?????.
?????.
????????????Z????????
Roll,Pitch,Yaw???:GyroSensor
??? ?
??? ???? ?? ??
??? Roll?? 20? ??? ?? 90? ??? ? ??,
Yaw ??? ????? ?? ???? ??
Yaw?? ?? ?? ? ??.
→ ??? ? ??? ??
????????????
Yaw???????????90????????
Roll,Pitch,Yaw???:GyroSensor
Ω? ? ?? ???? p, q, r??
Q? ?? ??? ?? φ, θ, ψ? ??
Acceleration&GyroSensor??
???????????????,
??????????????,
??????????????.
?? ??? ?? ???? ??
?? ??? ?? ??? ?? ??
Acceleration&GyroSensor???
Pitch,Roll,Yaw??????????
???(??????????)????
??? ???? ??
→ TerrestrialMagnetism Sensor ???? ??
321
Acceleration
Sensor
IMU
Sensor
Terrestrial
Magnetism
Sensor
4
GyroSensor
????
TerrestrialMagnetismSensor
?????,
??? ???? ???
X?,Y?,Z?????,
TerrestrialMagnetismSensor
??? ?? ???
???? ??? ??? ??
X?,Y?,Z????????????
??????????.
TerrestrialMagnetismSensor
????? ?? (??? ?? ????)
??? ???? ??? ??
MR:MagnetoresistiveEffect,??????
TerrestrialMagnetismSensor??
Hall Effect MR
?? ???? ??, Hall Effect?
TerrestrialMagnetismSensor??,HallEffect!
??? ?? ??? ?? ???? ???
→ ??? ??
?????????????????
?? : ??? ?????? ???? ?? ???? ??
(?? ?? ??? ??? ????? ?????? ??
? ?? ??.)
Drone?????=TerrestrialMagnetism+GPS
?? ??
???!
TerrestrialMagnetismSensor
Terrestrial Magnetism Sensor Calibration : ??? ??? ???? ??? ?
? ??? ?? ??? ??? ?, ? ??? ???? ?? ??? ??? ??
THANKS
IMU Sensor ??
http://terms.naver.com/entry.nhn?docId
=3477964&cid=58439&categoryId=584
39
IMU Sensor? ??
http://m.post.naver.com/viewer/postView
.nhn?volumeNo=4630959&memberNo=
17247994&vType=VERTICAL
Acceleration Sensor ????? ??
http://blog.naver.com/jinoh9272/220459
075208
Gyro Sensor? ??
http://blog.naver.com/jinoh9272/220463
168270
Acceleration Sensor? Gyro Sensor? ?
??
http://dkwltmdgus.blog.me/2204295058
27
??
Acceleration Sensor? Gyro Sensor
???? ????
http://hs36.tistory.com/entry/mpu605
0-???-???-???-?????
???-1
Acceleration Sensor? Gyro Sensor ?
??
http://mechaworld.tistory.com/11
Roll, Pitch, Yaw ??
http://blog.naver.com/misterpg/22105
34159
62
Roll, Pitch, Yaw ??
http://blog.naver.com/ccaa09/2207041
42932
Roll, Pitch, Yaw ??
http://hs36.tistory.com/39
Terrestrial Magnetism Sensor
??? ??
http://blog.naver.com/helicon9
/221050916776
http://blog.naver.com/smoke20
00/221026270879
http://blog.naver.com/xisaturn/
220756838201
Terrestrial Magnetism Sensor 3
?? ? ??
http://blog.naver.com/msyang5
9/220677663741

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Imu sensor(nanhee_kim)