Furuno eRideOPUS 6, User Manual

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eRide
OPUS 6/
eRide
OPUS 7 GV-8620/ GV-8720
Dead Reckoning User
’
s Guide
SE16-900-002-02
FURUNO ELECTRIC CO., LTD. All rights reserved.
Table of Contents
1 General Description ············································································································· 1
2 FURUNO DR GNSS Receiver ································································································ 1
3 System Configuration ·········································································································· 2
3.1 Supported Sensor ········································································································· 2
3.2 Sensor Interface Configuration ······················································································· 3
4 Reference Circuit ················································································································ 4
4.1 SMI130 ························································································································ 4
5 IMU Sensor Installation ········································································································ 5
5.1 Automatic Correction by Auto Orientation Function·························································· 6
5.2 Expand Auto Orientation Range by PERDAPI,AUTOORIENT Command ······························ 6
5.3 Set Installation Angle by Misalignment ············································································ 7
5.4 Sensor Installation Examples ························································································· 8
5.4.1 Zero Angle against Axis of IMU Sensor ······································································ 8
5.4.2 Auto Orientation Default Range ················································································ 9
5.4.3 Auto Orientation Expansion Range ········································································· 10
5.4.4 Out of Auto Orientation Range ················································································ 11
6 Calibration ······················································································································· 12
6.1 Power on to GNSS Position Fix ····················································································· 12
6.2 GNSS Position Fix to DR Valid by Calibration Driving ······················································ 13
6.3 Calibration of Vehicle Speed Pulse and Accelerometer ···················································· 13
6.4 Calibration of Gyro Sensor ··························································································· 14
6.5 Aging and Temperature Fluctuations ············································································· 14
7 Operating of DR Backup ···································································································· 15
8 Recommended NMEA Output Sentence at Customer Evaluation Stage ··································· 15
9 Important Notice ··············································································································· 16
9.1 Important Notice for IMU Sensor ···················································································· 16
9.2 Characteristics of IMU Sensor ······················································································· 16
9.3 Layout Design against Influence of IMU Sensor by External Environment Factor ················ 16
9.4 Calibrating Operation ··································································································· 16
9.5 Receiver Start Operation ······························································································ 17
10 FAQ ······························································································································ 18