GPS and Inertial Navigation Systems (INS and IMU) | Dewesoft

High accuracy GPS and inertial navigation systems (inertial measurement unit) with real-time kinematics (RTK) support for most precise positioning tests.

GPS and IMU Devices

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GPS/GNSS/INS Receivers
Inertial Navigation Systems (INS and IMU)

High accuracy 100Hz GPS and GNSS receivers and Inertial Navigation Systems (IMU - inertial measurement units) with Real-time Kinematics (RTK) correction for the most precise position-based test and measurement applications.

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GPS and Inertial navigation systems from Dewesoft

GPS and GLONASS

RTK

Inertial platforms

Acceleration

Velocity

Vibrations

Magnetometer

Gyroscope

Orientation

Pressure

Digital

USB 2.0

CAN bus

Time source

MIL-STD-810G

IP67

-40°C to +85°C

Shock rating 75G

Highlights

GPS INTERFACES: Dewesoft offers various robust navigational GPS receivers for precise location tracking, acceleration, and speed measurement.
INERTIAL MEASUREMENT UNITS: Dewesoft also offers very rugged IMU units which in addition to GPS receivers have roll/pitch/heading channels with dead reckoning and offer an IP67 degree of protection.
RTK 2 CM ACCURACY: With optional RTK upgrade an all GPS and IMU units we are able to improve positioning accuracy down to 2 cm.
USB, CAN, RS232: GPS instruments offer various data connection interfaces from USB, CAN and RS232.
GYRO: In addition to positioning sensors we also offer DS-GYRO gyroscope for measuring pitch, roll and heading direction.
EASY TO USE: All navigational interfaces offer plug and play functionality, are easy to set up and use.
SOFTWARE INCLUDED WITH FREE LIFETIME UPGRADES: Easy to use, yet very robust in functionality, award-winning Dewesoft X data acquisition software is included. The software comes with lifetime free upgrades and no hidden costs, bringing you intuitive configuration, smart sensors, advanced storage, and analysis capabilities.

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Reliable Navigation GNSS Position Tracking

Our GPS and IMU navigational interfaces are compatible with various satellite navigation systems to ensure the best signal coverage and most precise and robust position tracking:

GPS L1 and L2
GLONASS L1 and L2
GALILEO E1
COMPASS L1
BeiDou B1 and B2

See technical specifications for full specification list and details about which device works with which satellite navigation system.

Reliable Navigation GNSS Position Tracking

Inertial Measurement Units - IMU

Dewesoft offer highly accurate Inertial Measurement Units and Inertial navigation systems which provide rugged and reliable GPS aided inertial navigation system including AHRS that provides accurate position, velocity, acceleration and orientation under most demanding conditions.

DS-IMU inertial instruments are rugged devices which offer an IP67 degree of protection and are MIL-STD-810G rated. DS-IMU1 and DS-IMU2 are a combination of multiple sensors like gyroscope, accelerometer, magnetometer, pressure sensor and a high-speed GNSS receiver. Coupled with sophisticated algorithms they deliver very accurate and reliable navigation and orientation. IMU offers up to 500 Hz output data rate.

Real-time Kinematics - RTK

All Dewesoft GPS and IMU navigational devices can be upgraded with Real-time Kinematic GNSS technology (RTK). RTK improves positioning accuracy with the combination of GNSS receiver and additional base station down to 2 cm.

Any Dewesoft 100 Hz GPS and IMU device can be upgraded with RTK. Dewesoft provides all hardware accessories needed for the upgrade - base station, antennas and 3G and RF modems for data transmission between car and base station.

Map Visual Control

Our Dewesoft X DAQ software offers advanced GPS visual control with a real-time mapping solution. The map visual display offers a built-in interactive GPS mapping via Open Street Map. Several layers of map tiles are available:

Out of the box Satellite and OpenStreetMap layers hosted on Dewesoft’s tile server
Support for custom tile/wms layers as well as georeferenced images
No manual alignment required!
2D, 3D and Terrain display modes with standard, 1st or 3d person camera options
Online or offline
Images can be pre-downloaded for offline usage
Support of multiple layers with individually configurable opacity levels
Channel-based trace coloring with multiple color schemes
Ability to display multiple GPS signals on one widget
3D model widget for yaw, pitch and roll monitoring

Mapping widget works no matter the GPS/IMU hardware used. It works with our GPS and IMU instruments as well as 3rd party supported IMU/INS hardware like OxTS, Genesys, or if you get navigational data trough CAN or other supported interfaces.

Polygon 3D Position Visualisation

Dewesoft X DAQ software features add-on called Polygon. Polygon allows for easy definition of test polygons for all kind of vehicle dynamics and other moving vehicle involved tests. It supports multiple vehicles to be synchronized together as well as other moving or fixed objects.

Advanced 3D visualization with easily adaptable view angle provides a cruical visual representation of tested vehicled and objects. Built-in math provides free definable outputs like distances, angles, gate crosses and more... All the positioning data can be combined with synchronized analog data, CAN bus data, video, XCP/CCP, FlexRay, Kistler KiRoad and many more.

GPS and Inertial Navigation Applications

We provide a total solution for advanced position based test and measurement applications. Dewesoft X software received multiple innovation rewards, including software innovation of the year by Automotive Testing Technology International magazine. Applications like:

Vehicle Dynamics
Brake Testing
Acceleration test
Lane change
Circle drive
Chassis development
Validation
ADAS
Pass-by Noise
FUSI
RTK positioning

and others are supported directly with the support for the validation and testing standards, mathematical calculations, online visualization, and reporting tools.

GPS and Inertial Navigation Applications

Synchronization With Analog/Digital Data

The synchronization is the most important aspect of every test and measurement application. Without the right correlation of data, it's impossible to get correct results.

Parameters from navigational devices like position, velocity, acceleration, altitude, pitch, roll, heading are completely synchronized down to microseconds to the data from other sources like CAN bus, analog (vibrations, deformations, flow), counter/encoder (RPM, angles), video, XCP/CCP, KislerKiroad, and others.

The GPS and IMU devices provide exact time information that allows different devices to be perfectly synchronized even if they are on the other side of the globe. This is great for test scenarios with multiple vehicles. Dewesoft NET technology allows getting all data to a master vehicle fully synchronized.

Synchronization With Analog/Digital Data

GPS Display

Bright, small, rugged LED display accessory is available for the drivers that can be used inside the vehicle. The display can be directly connected to any of our GPS devices and will display:

speed,
heading,
altitude,
time and
number of satellites in reach.

Other GPS/IMU Resources

Check additional Dewesoft resources on the GPS and Intertial Navigation topic:

Online PRO Training -> GPS Measurement and Recording - GNSS
Dewesoft X Online Manual -> Map Visual Control
Dewesoft X Online Manual -> GPS Module
Dewesoft X Online Manual -> O xTs IMU/INS Device

Data Acquisition Software Included for Free

All Dewesoft data acquisition systems are bundled with award-winning DewesoftX data acquisition software. DewesoftX is the world's most advanced and easy-to-use data acquisition and signal processing software. Its flexibility and endless functionality for signal processing will help you solve all your test and measurement needs. Our DAQ software gives you many advantages over other DAQ systems. Functionalities like plug-and-play, hardware auto-detection, smart TEDS sensors, advanced storing, real-time displays, and a never-ending math library will elevate your measurement and analysis capabilities to a whole new level.

And the best part? DewesoftX DAQ software offers lifetime FREE software updates and technical support to all users. Software is evolving all the time. New major releases are released every 3 months constantly adding new features, optimization, and other improvements. No hidden upgrade costs.

Data Acquisition Software Included for Free

Plug and Play

Connecting the DAQ system and sensors could not be faster or easier. DewesoftX software will automatically detect the connected DAQ systems and TEDS-equipped sensors and will configure the entire channel configuration for you. Features like:

hardware auto-detection,
smart sensors,
sensor database,
advanced TEDS sensor support,
automatic unit conversion,
real-time signal preview,
store setup files

will make you ready for measurement in seconds. Spend less time configuring your DAQ systems and be more productive. Time is money!

Measure and Store

Powerful storing capabilities with more than 500 MB/s sustained stream rates mean you can always store data at full speed and never again worry about losing data that could compromise your tests. DewesoftX software features:

real-time data acquisition,
synchronized acquisition of analog, counter, video, GPS, CAN bus, and many other sources,
advanced triggering and alarms,
single or multi-file storage,
remote and distributed network storing,
automated test sequences.

Even if you store gigabytes of data, our innovative data file format will ensure you can load and analyze your data as fast as in a blink of an eye.

Analyse and Publish

From NVH to Power Analysis and much more. Forget about using several and complex software solutions just to record, store, analyze, and visualize your data. DewesoftX offers all-in-one advanced data visualization, analysis, and reporting tools:

online and offline mathematics,
flexible real-time visual displays,
synchronized video support,
PDF reporting tools,
data export to many standard file formats,
unlimited FREE licenses to view and analyze stored data files.

DewesoftX is designed with the mindset of a test engineer and offers a complete testing solution in a single software package that is a joy to use.

Learn more about DewesoftX

FAQ

What is GPS and GNSS positioning?

GNSS (Global Navigation Satellite System) is a space-based system of satellites that provide the location information (longitude, latitude, altitude) and time information in all weather conditions, anywhere on or near the Earth to devices called GNSS receivers. GPS is the world’s most used GNSS system made by the United States.

What is the Inertial Navigation System (INS)?

INS (Inertial Navigation System) measures and integrates orientation, position, velocities, and accelerations of a moving object. INS integrates the device’s measured data, where a GNSS is used as a correction to the integration error of the INS orientation calculation.

What is the difference between IMU and INS?

Inertial measurement unit (IMU) is a device that measures accelerations and angular velocities. Some IMUs can also measure an external magnetic field with a magnetometer.

In an Inertial Navigation System (INS), IMU measurement data are used to calculate a unit’s orientation and relative changes in its velocity and position.

For navigation, they have to be properly initialized with absolute position and velocity. As velocity and position measurements are based on IMU measurement integration without corrections the INS solution drifts over time depending on IMU performance. Usually, GNSS measurements are used for correction in GNSS aided INS.

Which sensors do IMU devices use?

IMU (Inertial Measurement Unit) device is an INS device, which has a built-in three-axial accelerometer and gyroscope. An additional magnetometer can be added to provide the right heading on the Earth.

Which positioning systems does Dewesoft support?

Dewesoft supports GPS and GLONASS positioning GNSS systems, which are currently the only systems with operational satellites all around the globe. Topcon receivers, DS-IMU1 and DS-IMU2 support also Galileo and BaiDou GNSS systems.

What is Real-time Kinematics or RTK?

RTK (Real-time Kinematics) is a positioning technique that enhances the accuracy of GNSS positioning systems up to 1 cm. It uses an additional GNSS receiver (base station) located on Earth that calculates the correction of satellite signals from the space and sends correction information to other GNSS receivers (rovers) on Earth.

How precise are GNSS and IMU devices?

By default GNSS devices have from 3 to 1.2 m standalone accuracy, 3 to 0.3 m with SBAS correction, 0.2 to 0.1 m with Omnistar correction (only available with for DS-IMU2 device) and up to 0.01 m with RTK correction system.

How accurate is the GNSS?

GNSS systems and devices have accuracy from 3 to 1.2 m in the standalone version. Higher accuracy can be achieved by different correction methods such as SBAS, Omnistar, and RTK (Real-Time Kinematics). RTK correction provides accuracy up to 1 cm.

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GPS/GNSS/INS Receivers
Inertial Navigation Systems (INS and IMU)

Highlights

Reliable Navigation GNSS Position Tracking

Inertial Measurement Units - IMU

Real-time Kinematics - RTK

Map Visual Control

Polygon 3D Position Visualisation

GPS and Inertial Navigation Applications

Synchronization With Analog/Digital Data

GPS Display

Other GPS/IMU Resources