RACELOGIC VIPSR01 User Manual

VBOX Indoor Positioning System User Guide

01 - VBOX IPS Introduction
02 - VBOX IPS Hardware Installation
03 - VBOX IPS Rover Connection to VBOX 3i
04 - VBOX IPS Site Configuration
05 - VBOX IPS Using with a VBOX 3i/Standalone
06 - VBOX IPS Troubleshooting
07 - VBOX IPS Technical Properties
VBOX IPS - Technical Specification
VBOX IPS - Upgrading Firmware
VBOX IPS - Regulatory Information
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01 - VBOX IPS Introduction

Overview

VBOX Indoor Positioning System uses a network of fixed beacons in set locations that communicate with a receiver mounted on the roof of a vehicle using Ultra Wideband (UWB), to measure position and speed where you cannot use GNSS signals. A minimum of eight beacons are required and a site survey must be carried out as part of the installation, to ensure the optimum accuracy. Doing so means the exact location of each beacon is known which can then be shared with the rover enabling it to calculate its location to centimetre level accuracy.
The rover features an integrated VBOX IMU04 (Inertial Measurement Unit) for precise pitch, roll and yaw angular data. It also connects directly to an IMU04 enabled VBOX 3i, enabling additional parameters from the vehicle’s CAN bus to be logged. Offering seamless integration between indoor and outdoor environments, the system can be used for high dynamic applications and the rover will automatically connect to the nearest beacons in range.

Features

• Can be used indoors and outdoors, switching seamlessly between environments.
• Centimetre level accuracy in areas off limits to GPS based systems.
• Small, rugged and low powered.
• Only one rover is required, featuring an integrated VBOX IMU with Kalman filter to reduce noise and errors in the data.
• Connects directly to a VBOX 3i data logger using only one cable for simple configuration.
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• A minimum of 8 and maximum of 250 beacons can be installed in each location allowing continuous coverage of tracks up to 3.5 km long.
• Simple one time configuration either by Bluetooth or serial cable (RS232).
• 100 Hz update and low latency for high dynamic applications.
• The rover automatically connects to the nearest beacons for optimum accuracy.
• Each beacon is numbered for simple installation.
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Connectors

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02 - VBOX IPS Hardware Installation

Beacon (VIPS-B-V1) Installation

When first considering a VIPS installation or demonstration, it is important to understand the shape and size of the test area and thus the minimum number of beacons that will be required.
The VBOX IPS will need at least 6 beacons in view at any one time to compute a solution. For a simple installation, Racelogic recommend placing the beacons in a ‘Square’ formation with spacing between the beacons of around 25–30 m, as below.
If operating in an outdoor/indoor mode, then the rover will not switch to use the VBOX IPS until 6 beacons are in view. This means that it is only the first 6 beacons that will need to be placed closer together to ensure that 6 beacons are in view before the vehicle enters the test area. The remaining beacons can be placed with a greater separation so long as
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the vehicle is always within a 60 m radius of at least 6 beacons.
For greater accuracy, it is recommended that the beacons are placed between 3 – 5 m above ground (i.e. above the roof of the test vehicle) and that each beacon varies in height by at least 300 mm to the nearest beacons, alternating in a high-low pattern.
When mounting the VIPS beacons, there are a couple of considerations that need to be made. It is important when mounting the beacons that they are not mounted within at least 200 mm (or greater if possible) of an object, other than the surface the beacon is mounted to, that could cause reflections (e.g. a wall or metal structure) and that the beacons are mounted in the correct orientation in relation to the expected orientation of the Rover when in use.
The beacons require a 9 – 36 V power source that is connected to the 2 way Lemo connector. The other Lemo
connector on the beacon is for Firmware upgrades and should be covered with the supplied splashproof plug to ensure
waterproofness.
The VIPS beacons have 4 magnets on the base allowing for easy installation onto any ferrous surface, however Racelogic can supply metallic plates that can attach to a tripod for quick installations.

Suitable Beacon Orientations

Side by side
Side by side with small height
difference
Side by side with large height
difference, tops towards each
other
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Side by side with large height
difference
Tops together
Tops to base
Base to base
Side to base
Side by side with large height
difference, tops away from each
other
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Rover (VIPS-R-V2) Installation

The VIPS Rover looks similar to the Beacon, however the rover contains an internal IMU and so care should be taken to ensure that the Rover is mounted on a section of the roof that has the least vibration. This is usually towards the rear of the vehicle, just in front of the rear windshield. The rover should also be mounted in a way such that it has a clear view to the beacons and away from any objects that may block that view (Roof bars, radio antennas etc).
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03 - VBOX IPS Rover Connection to VBOX 3i

The Rover unit can connect to a standard VBOX 3i and switches seamlessly between GPS and the indoor positioning system, allowing you to use your original hardware for both outdoor and indoor testing. As the VIPS is designed to be used with IMU integration enabled, the same IMU Initialisation Process should be performed as normal.
For indoor only use, it is important that the VBOX 3i does not have a GPS antenna connected. If the VBOX receives a satellite signal, even a poor one, the timing will change from the internal clock to GPS time, causing the VIPS system to fail. the VBOX 3i will function the same as when using GPS in terms of CAN In / Out, data logging (analogue, etc.) and VBOX Test Suite use.
When indoor/outdoor operation is selected, the VBOX IPS system will wait for GPS lock and IMU synchronisation before attempting to initialise the VIPS positioning.
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Using Internal IMU

Connection between the Rover and VBOX 3i is via the supplied RLCAB153 cable.
• Insert the 7 way Lemo connector in to the right hand connector on the Rover.
• Connect the 25 way connector to the A IN port on the VBOX 3i.
• Connect the 5 way Lemo connector to the SER port on the VBOX 3i.
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Using External IMU

Connection between the Rover and VBOX 3i is via the supplied RLCAB153 cable.
• Insert the 7 way Lemo connector in to the right hand connector on the Rover.
• Connect the 25 way connector to the A IN port on the VBOX 3i.
• Connect the 5 way Lemo connector to the SER port on the VBOX 3i.
• Insert the 6 way Lemo connector in to the left hand connector on the Rover.
• Insert the other end of the cable in to the CAN / KF port on the IMU04.
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04 - VBOX IPS Site Configuration

For the VBOX IPS to work correctly, the rover needs to know the expected site configuration. This configuration informs the rover of the expected Beacon IDs it will be using and their locations. This information needs to be manually entered by the user using the VIPS Site Configuration Software.

Getting Started

On opening, the user is presented with the option to load a previously saved site configuration (.JSON file) or create a new configuration. On this screen, you can also choose to save the current settings.
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