Memsic AHRS380ZA, Руководство пользователя

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DMU380ZA Series
User’s Manual
Doc# 7430-3810 Rev. 02
Page i
Table of Contents
1 Introduction ..................................................................................................................1
Manual Overview .................................................................................................1 1.1
Overview of the DMU380ZA Series Inertial Systems .........................................2 1.2
2 Interface .......................................................................................................................4
Electrical Interface ................................................................................................4 2.1
2.1.1 Connector and Mating Connector ..................................................................4
2.1.2 Power Input and Power Input Ground ...........................................................5
2.1.3 Serial Data Interface ......................................................................................5
2.1.4 External GPS Aiding (VG380ZA, AHRS380ZA and INS380ZA) ...............5
2.1.5 Reserved
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Factory Use Only ........................................................................6
Mechanical Interface .............................................................................................6 2.2
3 Theory of Operation .....................................................................................................7
DMU380ZA Series Default Coordinate System .................................................11 3.1
3.1.1 Advanced Settings .......................................................................................12
IMU380ZA Theory of Operation........................................................................12 3.2
3.2.1 IMU380ZA Advanced Settings ...................................................................13
3.2.2 IMU380ZA Built-In Test .............................................................................14
VG380ZA Theory of Operation ..........................................................................14 3.3
3.3.1 VG380ZA Advanced Settings .....................................................................16
4.3.2 VG380ZA Built-In Test ..............................................................................17
AHRS380ZA Theory of Operation .....................................................................18 3.4
3.4.1 AHRS380ZA Magnetometer Calibration and Alignment ...........................19
3.4.2 AHRS380ZA Advanced Settings ................................................................21
3.4.3 AHRS380ZA Built-In Test ..........................................................................22
INS380ZA Theory of Operation .........................................................................23 3.5
3.5.1 INS380ZA Magnetometer Calibration and Alignment ...............................25
3.5.2 INS380ZA Advanced Settings ....................................................................25
3.5.3 INS380ZA Built-In Test ..............................................................................26
4 Application Guide ......................................................................................................28
Introduction .........................................................................................................28 4.1
Fixed Wing Aircraft ............................................................................................28 4.2
Rotorcraft ............................................................................................................29 4.3
Land Vehicle .......................................................................................................29 4.4
Water Vehicle .....................................................................................................30 4.5
5 DMU380ZA SPI Port Interface Definition ................................................................32