ADMA 3.0
USER MANUAL
Document Revision 2.01 | 2021 Page 45/137
8.4.1 GNSS mode for standstill detection
As soon as a RTK2 solution is available, the standstill is determined by observing position updates. If
the RTK2 information is not available or is omitted, the standstill is determined by the two configurable
parameters max rate and max velocity.
8.4.2 Max. rate for standstill detection
The measured ADMA rates allow a good detection of vehicle standstill, since the measured rates of
the vehicle are smaller in standstill compared to those in dynamic operation. However, the thresholds
have to be checked and adapted, depending on the type of vehicle. This can be done by an automatic
determination via web interface (function “Auto determine Max. rate”) or with a data recording and
analyzing the rate signals in standstill.
Typical threshold values for standstill detection in passenger cars are:
Max. rate at standstill [0,1*deg/s]
ADMA-ECO/ECO+
ADMA-Speed
ADMA-Slim
8.4.3 Max. velocity for standstill detection
If the ADMA is operated in a non-solo mode (Ext. Velocity or RTK) an additional check against the
(inertial) velocity is performed for standstill detection. In that case both criteria (rate and velocity)
need to be validated for the ADMA to indicate standstill detection.
Typical threshold values for standstill detection in passenger cars are:
Max. velocity at standstill [0,01*m/s]
ADMA-ECO/ECO+
ADMA-Speed
ADMA-Slim
8.4.4 Automatic determination of the max rate threshold
The threshold values for maximum rate at standstill can be determined automatically using the Auto
Setup function. The threshold value of the maximum velocity at standstill must be defined by the
user.
Make sure that during the Auto Setup period:
• The vehicle is at standstill .
• The vehicle engine is running.
• The vehicle is not exposed to vibrations.
• The ADMA has valid GNSS conditions.
• For automatic gearboxes, we recommend mode D or S.
Note: This command will cause a stop of the ADMA measurement mode!
To Next Page