Measurement system and method for operating a working machine

Abstract

The present invention relates to a measurement system ( 14 ), particularly a tilt measurement system or an angular velocity measurement system, for outputting output sensor data wherein the output sensor data indicate, with respect to a gravitational force vector, an inclination (tilting angle) or respectively an angular velocity of the device, particularly a working machine ( 1 ), which it is fixedly attached to, comprising: a sensor unit ( 22 ), particularly an inertia measurement unit or a gyroscope, including one or more sensor elements for detecting force and/or angular velocity and being configured to continuously provide raw sensor data samples for each of the sensor elements. a filter parameter selection unit ( 24 ) configured to select one or multiple filter parameters sets each including one or more filter parameters for the filtering, wherein the filter parameters sets are selected by at least one predetermined rule applied on the raw sensor data samples, a filter unit ( 23 ) configured to filter data to provide the output sensor data depending on the selected one of a plurality of filter parameter sets, wherein the data depends on or corresponds to the raw sensor data samples obtained by the sensor elements; characterized by a geopositioning system ( 25 ) configured to provide a geographical position of the measurement system ( 14 ), wherein the filter parameter selection unit ( 24 ) is further configured to select the one or multiple filter parameter sets depending on the geographical position of the measurement system.

1 . A measurement system ( 14 ), particularly a tilt measurement system or an angular velocity measurement system, for outputting output sensor data wherein the output sensor data indicate, with respect to a gravitational force vector, an inclination (tilting angle) or respectively an angular velocity of the device, particularly a working machine ( 1 ), which it is fixedly attached to, comprising:
 a sensor unit ( 22 ), particularly an inertia measurement unit or a gyroscope, including one or more sensor elements for detecting force and/or angular velocity and being configured to continuously provide raw sensor data samples for each of the sensor elements.   a filter parameter selection unit ( 24 ) configured to select one or multiple filter parameters sets each including one or more filter parameters for filtering, wherein the filter parameters sets are selected by at least one predetermined rule applied on the raw sensor data samples,   a filter unit ( 23 ) configured to filter data to provide the output sensor data depending on the selected one of a plurality of filter parameter sets, wherein the data depends on or corresponds to the raw sensor data samples obtained by the sensor elements;   characterized by   a geopositioning system ( 25 ) configured to provide a geographical position of the measurement system ( 14 ) as geoposition data,   wherein the filter parameter selection unit ( 24 ) is further configured to select the one or multiple filter parameter sets depending on the geographical position of the measurement system ( 14 ) or the geoposition data.   
     
     
         2 . The measurement system ( 14 ) according to  claim 1 , wherein a geopositioning system is configured to provide the geographical position. 
     
     
         3 . The measurement system ( 14 ) according to  claim 1 , wherein a communication device ( 26 ) is provided to retrieve from an external database environmental/ground condition data depending on the geographical position. 
     
     
         4 . The measurement system ( 14 ) according to  claim 1 , wherein the environmental/ground condition data of the geographic position include one or more properties of the environmental/ground including at least one of roughness, unevenness, stoniness, softness, dryness, and flexibility. 
     
     
         5 . The measurement system ( 14 ) according to  claim 1 , wherein a velocity of the device can be considered in the filter parameter selection unit ( 25 ) so that the filter parameter set is selected also depending on the velocity of the device ( 1 ). 
     
     
         6 . Method for operating a measurement system ( 14 ), particularly a tilt measurement system or an angular velocity measurement system, for outputting output sensor data wherein the output sensor data indicate, with respect to a gravitational force vector, an inclination (tilting angle) or respectively an angular velocity of the device, particularly of a working machine ( 1 ), which it is fixedly attached to, comprising the steps of:
 detecting force and/or angular velocity and continuously provide raw sensor data samples for each of the sensor elements;   selecting one or multiple filter parameters sets each including one or more filter parameters for filtering, wherein the filter parameters sets are selected by at least one predetermined rule applied on the raw sensor data samples,   filtering data to provide the output sensor data depending on the selected one of a plurality of filter parameter sets, wherein the filtered data depends on or corresponds to the raw sensor data samples obtained by the sensor elements;   characterized by
 providing a geographical position of the measurement system ( 14 ) as geoposition data, and 
 selecting the one or multiple filter parameter sets depending on the geographical position of the measurement system ( 14 ) or the geoposition data. 
   
     
     
         7 . A working machine ( 1 ) comprises the measurement system ( 14 ) according to  claim 1  and a geopositioning system ( 25 ) which is configured to provide the geographical position of the working machine ( 1 ) or the measurement system ( 14 ). 
     
     
         8 . Method for operating a working machine ( 1 ) comprising:
 proving output sensor data by a measurement system ( 14 ) according to  claim 1 ;   operating the working machine ( 1 ) depending on the output sensor data indicating an inclination of the ground the working machine ( 1 ) is travelling or moving.