eRide
OPUS 6/
eRide
OPUS 7 GV-86/ GV-87
Dead Reckoning User
’
s Guide
SE16-900-002-00
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
Available Signal Combination and Supported Sensor ······················································· 2
3.2
Sensor Interface Configuration ······················································································· 3
4
Reference Circuit ················································································································ 4
4.1
SMI130 ························································································································ 4
4.2
MPU-6500 ···················································································································· 5
4.3
XV-4001BC and AIS328DQ ····························································································· 6
4.4
ITG-3500 and AIS328DQ ································································································· 7
4.5
A3G4250D and AIS328DQ ······························································································ 8
4.6
XV-8000CB and AIS328DQ ····························································································· 9
4.7
XV-8100CB and AIS328DQ ···························································································· 10
5
IMU Sensor Installation ······································································································ 12
5.1
Automatic Correction by Auto Orientation Function························································· 13
5.2
Expand Auto Orientation Range by PERDAPI,AUTOORIENT Command ····························· 13
5.3
Set Installation Angle by Misalignment ··········································································· 14
5.4
Sensor Installation Examples ························································································ 15
5.4.1
Zero Angle against Axis of IMU Sensor ···································································· 15
5.4.2
Auto Orientation Default Range ·············································································· 16
5.4.3
Auto Orientation Expansion Range ········································································· 17
5.4.4
Out of Auto Orientation Range ················································································ 18
6
Calibration ······················································································································· 19
6.1
Power on to GNSS Position Fix ····················································································· 19
6.2
GNSS Position Fix to DR Valid by Calibration Driving ······················································ 20
6.3
Calibration of Vehicle Speed Pulse and Accelerometer ···················································· 20
6.4
Calibration of Gyro Sensor ··························································································· 21
6.5
Aging and Temperature Fluctuations ············································································· 21
7
Operating of DR Backup ···································································································· 22
8
Recommended NMEA Output Sentence at Customer Evaluation Stage ··································· 22
9
Important Notice ··············································································································· 23
9.1
Important Notice for IMU Sensor ···················································································· 23
9.2
Characteristics of IMU Sensor ······················································································· 23
9.3
Layout Design against Influence of IMU Sensor by External Environment Factor ················ 23
9.4
Calibrating Operation ··································································································· 23
9.5
Receiver Start Operation ······························································································ 24
10
FAQ ······························································································································ 25