Similar to vehicles there are specific railway applications where inertial measurement technology is used. Our clients usually integrate our GPS-aided inertial system ADMA into their complete system to determine also other parameters, e.g. position of catenary wire.
Typical quantities to be measured are such as speed, tilt, velocity and position (trajectory) with an output rate up to 1000 Hz.
For the support of navigation with GNSS / GLONASS-shadowing, e.g. driving through tunnel, an odometer signal can be used. We also offer an offline processing software which performs a forward-backward calculation of Kalman filter in order to achieve the optimal result of position.
- Cant measurement
- Measurement of rail wearout
Our premium-star: ADMA-G PRO+
Complies with all international test standards EURO NCAP & NHTSA
Fiber-optic gyro system with three fiber-optic rotation rate sensors and three servo acceleration sensors class 1mg
Provides high-precision data even in the case of strong GNSS interferences
Validation of simulation models, ADAS Evaluation e.g. ACC, FCW, AEB (VRU, Car2Car), LSS (LDW, LKA) Chassis tuning
ADMA-Speed: Speed and Braking Distance Sensor
Meets requirements of international test standards EURO NCAP and NHTSA
GNSS speed sensor optimized for brake tests
ADMA-Speed eliminates the known disadvantages of GNSS speed sensors
ADMA-Speed can be expanded to a full-fledged GNSS-aided inertial system
Validation of driver assistance systems e.g. ACC, FCW, AEB (VRU, Car2Car), LSS (LDW, LKA) Chassis adjustment
Options, Add-ons and accessories
DGNSS-Korrekturdaten für hochpräzise Positionierung von einem RTK-Netzwerk-Provider oder von der GPS-Basistation
DGNSS Correction Data for High-Precision Positioning from RTK Network Provider or GPS Base Station
With the NTRIP-DGNSS-Box 5, an ADMA equipped with RTK capabilities can obtain positional correction data through the Network RTK (like SAPOS and ASCOS, SmartNet, …), without the need for a nearby Base Station. By receiving correction messages through the RTK network, this solution provides significant benefits when conducting tests over long distances, varying elevations, or areas with topographical obstacles that may obstruct communication with the Base Station.
Scope of delivery
Option RTK2: High-precision position measurement using correction data
RTK stands for Real-Time Kinematic and is a technique based on carrier-based distance measurement that can RTK stands for Real-Time Kinematic and is a technique based on carrier-based distance measurement that can determine positions with high precision.
The method is much more accurate than code-based location. The basic concept is to eliminate the various error sources of raw GNSS positioning by using a local base station whose exact position is known. For this purpose, correction data of a virtual base station of different correction data services can be requested, or a local base station with its own GNSS receiver is used.Product-Page
Option Multi-GNSS: Use of multiple satellite systems such as GPS, GLONASS, Galileo, Beidou
Today’s GNSS-Receivers have the option of accessing multiple satellite systems such as GPS, GLONASS, Galileo and Beidou.
By using these systems in addition to GPS the Receiver is able to track more Satellites which results in the following advantages:
Reduced signal acquisition time.
Improved position and timing accuracy.
Reduction of problems caused by obstacles such as buildings and leaves
Improved spatial distribution of visible satellites, resulting in improved position accuracy.
Add-On BRAKING: Real-time calculation of brake performance data according to international regulations
The Add-On ”Braking” is the sophisticated solution for brake performance measurement.
Enabling brake pedal triggered as well as velocity threshold triggered measurement, all relevant parameters, including mean deceleration, brake distance and trigger speed are provided. Both full brake and fading test are supported.
BRAKING option is available for all ADMA models
For ADMA-Speed it is included, even in the basic version
Post-Processing Software ADMA-PP
Merges ADMA inertial data, GNSS data and external additional information
Much higher position accuracy in general and eliminates jumps in position during partial or total GNSS shading (e.g. on emergence from a tunnel)
RTK correction data can be fed in without interruption
Additional features: Moving Base Add-On / Delta multi Add-On
Improved flexibility and accuracy by combining the forward / backward navigation solution
Save time: Retroactively change the ADMA configuration and fewer initialization steps
Track analysis, Road mapping, GIS data acquisition, Precise altitude profiling, Power train optimization, Consumption optimization, Verification of simulation models, Underground and tunnel survey
Option GNSS-Raw Data: Raw data output via Ethernet for post-processing
The GNSS-Raw Data option, like all of our feature enhancements, can be easily activated later without changing the hardware.
With the option you get access to the recorded GNSS raw data via the Ethernet interface and can significantly increase the GNSS accuracy in post-processing applications e.g. with our Post-Processing Software ADMA-PP.
Data logging is user-friendly with the free GeneSys Ethernet Logger software.
The GNSS Raw Data option is available for all ADMA models
Note: Separate WLAN router and Ethernet cable are required