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Applanix LVX - User Manual

Applanix LVX
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THE INFORMATION CONTAINED HEREIN IS PROPRIETARY TO APPLANIX CORPORATION. RELEASE TO THIRD PARTIES OF THIS PUBLICATION OR OF INFORMATION
CONTAINED HEREIN IS PROHIBITED WITHOUT THE PRIOR WRITTEN CONSENT OF APPLANIX CORPORATION. APPLANIX RESERVES THE RIGHT TO CHANGE THE
SPECIFICATIONS AND INFORMATION IN THIS DOCUMENT WITHOUT NOTICE. A RECORD OF THE CHANGES MADE TO THIS DOCUMENT IS CONTAINED IN THE
REVISION HISTORY SHEET. COPYRIGHT © APPLANIX CORPORATION, 2021ALL RIGHTS RESERVED. NO PART OF THIS PUBLICATION MAY BE REPRODUCED, STORED
IN A RETRIEVAL SYSTEM OR TRANSMITTED IN ANY FORM OR BY ANY MEANS WITHOUT THE PRIOR WRITTEN CONSENT OF APPLANIX CORPORATION.
LVX User Guide
Document #:
PUBS-MAN-005635
Revision:
7
Date:
April 6, 2021

Table of Contents

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Summary

1. Introduction

1.1. LVX Performance Specification

Specifies performance details for the LVX product, including GNSS tracking capabilities and proprietary IMU technology.

2. LVX Features

Details the key features of the LVX, including its dual antenna GNSS module and Trimble Maxwell technology.

3. LVX Hardware Description and Interface

3.1. Mechanical

Describes the LVX unit's IP67 sealed housing and its mechanical dimensions, referencing Figure 2.

3.2. DMI Installation

Details the process for installing the Distance Measuring Indicator (DMI) on a vehicle's rear wheel.

3.3. Electrical

Covers the LVX connectors, including GNSS antenna, power/IO, and DMI connectors, and their types.

3.4. Front Panel LEDs

Explains the function and status indications of the four LEDs on the LVX front panel.

4. LVX Control Software and Configuration

4.1. Connecting a Web Browser

Guides users on how to connect to the LVX via a web browser using its static IP address.

4.2. Web User Interface Layout

Describes the layout of the LVX web user interface, including system name, serial number, and language selection.

4.3. Receiver Status, Solution Monitor and Display

Explains how to view product information, system name, serial number, and software/hardware versions.

4.4. Data Logging

Details how to log raw data for post-processing using internal memory or external USB devices.

4.5. PPS and ASCII Time Tag Synchronization

Explains the 1PPS time strobe output and associated ASCII time tag message format.

4.6. System Configuration

Covers various system configuration settings, including antenna, tracking, position, and general configurations.

4.6.1. Antenna Configurations

Instructions for configuring GNSS antennas, including selecting 'Unknown External' and 'Antenna Phase Center'.

4.6.2. Tracking Configuration

Allows users to select tracking elevation mask angle and satellite systems, recommending default settings.

4.6.3. Position Configuration

Guides on selecting the correct Dynamic Model (Mapping vehicle or Off-road vehicle) for performance.

4.6.4. General Configuration

Details settings for discrete I/O signals, including Event 1 & 2 inputs and 1 PPS output.

4.6.5. INS Configuration

Covers entering relative position and orientation of LVX with vehicle and GNSS antennas.

4.6.6. IMU Body Frame Definition

Defines the IMU Body frame as the right-hand orthogonal coordinate system measured by the inertial sensors.

4.6.7. Reference Body Frame Definition

Defines the Reference Body frame as a right-hand orthogonal coordinate system at a sensor's reference center.

4.6.8. Vehicle Body Frame

Defines the Vehicle Body Frame as a right-hand orthogonal system referenced to the vehicle's vertical and horizontal planes.

4.6.9. DMI Frame Definition

Defines the DMI Frame with its origin at the Instrumented Wheel's point of contact with the road.

4.6.10. Lever Arm Definitions

Explains lever arm definitions for IMU, GNSS, and DMI relative to reference frames.

4.6.11. Mounting Angles

Defines mounting angles as physical angular offsets between body frames, related to Tait-Bryan sequence.

4.6.12. DMI Scale Factor Calculation

Explains how to calculate the DMI scale factor using pulses per wheel revolution and wheel diameter.

4.6.13. I;O Configuration

Details output message selection for specific ports, allowing configuration of NMEA and other message types.

4.6.14. Differential Corrections Configuration

Covers precise positioning product supporting differential correction inputs like CMR, CMR+, RTCM for real-time accuracy.

4.6.15. Ethernet Configuration

Explains how to configure static IP address, subnet, gateway, and DNS server for the LVX Ethernet connection.

4.6.16. Firmware upgrade

Guides on performing firmware upgrades via the web interface using the 'Choose File' and 'Install New Firmware' options.

5. Calibrate Antenna Installation for GAMS

5.1. Accurate Baseline Measurement

Details how to measure the baseline vector and its accuracy for GAMS calibration.

5.2. GAMS Calibration

Explains the GAMS Calibration feature using 'Dynamic Heading Alignment' to estimate baseline vectors.

5.2.1. Calibration Set-up

Steps to set up GAMS calibration, including enabling GAMS and configuring GNSS Lever Arm.

5.2.2. Calibration

Procedure for calibrating the baseline vector for land vehicles, involving static and dynamic maneuvers.

5.2.3. Save Calibration

Describes methods for saving calibrated baseline vector values: Auto-copy or Manual copy.

5.2.4. GAMS Operation

Explains how the system uses GNSS antennas and baseline parameters for heading aiding.

6. Real Time Output ICD

6.1. ASCII-NMEA Output

Details the ASCII message selection, focusing on NMEA messages and their configuration.

6.1.1. Nonstandard ASCII messages

Describes the PASHR message, providing real-time attitude and heading information.

6.2. Binary Output ICD

Explains binary output using Trimble GSOF message format and message selection via web interface.

6.2.1. Binary Data Types

Defines integer data types (CHAR, SHORT, LONG) used by the LVX, specifying byte order.

6.2.3. GSOF 49 (31 H) INS Integrated Navigation Solution

Details the GSOF 49 message format for INS integrated navigation solution, including record type and GPS data.

6.2.4. GSOF 50 (32 H) INS Integrated Navigation Solution RMS

Details the GSOF 50 message format for INS integrated navigation solution RMS values.

6.2.5. GSOF 51 (33 H) Event Marker Information

Details the GSOF 51 message format for event marker information, including event port and time.

6.2.6. GSOF 59 and 60 (3 bH and 3 cH)) Event Triggered Navigation Information

Details GSOF 59 and 60 message formats for event triggered navigation information.

7. Appendix A - RTK Setup

7.1. RTK using the NTRIP Client on the LVX

Guides on setting up the LVX for RTK using its built-in NTRIP client, including network configuration.

7.2. RTX over IP

Explains how to use RTX corrections via the internet, referencing Section 6.1 setup for NTRIP client.

7.3. RTK using external NTRIP Client SW

Describes using external NTRIP client software for RTK setup with the LVX.

8. Technical Support

Applanix LVX Specifications

General IconGeneral
Impedance50 Ω
Connector TypeTNC
Operating Temperature-40 °C to +85 °C
Ingress ProtectionIP67
Frequency BandsL1/L2/L5 GPS, GLONASS, BeiDou, Galileo, QZSS, SBAS
Noise Figure2.0 dB
VSWR1.5:1