Implement and boom height control system and method
First Claim
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1. A method of controlling the position of a working component relative to a work surface, comprising:
- storing field terrain elevation data for the work surface;
receiving a selection of a desired height of the working component above the work surface;
receiving inertial movement data from multiple inertial measurement units (IMU) located on different sections of the working component as part of sensor data identifying different x, y, and z positions for the different sections of the working component with respect to the work surface;
comparing the sensor data with the field terrain elevation data; and
adjusting heights of the different sections of the working component relative to the work surface based on the desired height of the working component above the work surface and the comparison of the inertial movement data with the field terrain elevation data.
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Abstract
A global navigation satellite system (GNSS) based control system is provided for positioning a working component relative to a work surface. Inertial measurement unit (IMU) sensors, such as accelerometers and gyroscopes, are mounted on the working component and provide positioning signals to a control compute engine. A method of positioning a working component relative to a work surface using GNSS-based positioning signals is also disclosed.
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Citations
16 Claims
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1. A method of controlling the position of a working component relative to a work surface, comprising:
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storing field terrain elevation data for the work surface; receiving a selection of a desired height of the working component above the work surface; receiving inertial movement data from multiple inertial measurement units (IMU) located on different sections of the working component as part of sensor data identifying different x, y, and z positions for the different sections of the working component with respect to the work surface; comparing the sensor data with the field terrain elevation data; and adjusting heights of the different sections of the working component relative to the work surface based on the desired height of the working component above the work surface and the comparison of the inertial movement data with the field terrain elevation data. - View Dependent Claims (5, 6, 7, 8)
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2. A method of controlling the position of a working component relative to a work surface, comprising:
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storing field terrain elevation data for the work surface; receiving a selection of a desired height of the working component above the work surface; receiving sensor data identifying a position of the working component with respect to the work surface; comparing the sensor data with the field terrain elevation data; adjusting a height of the working component relative to the work surface based on the desired height of the working component above the work surface and the comparison of the sensor data with the field terrain elevation data; receiving inertial movement data as at least part of the sensor data, wherein different portions of the inertial movement data are associated with different sections of the working component; comparing the inertial movement data for the different sections of the working component with the field terrain elevation data; and adjusting the height of the working component relative to the work surface based the comparison of the inertial movement data associated with the different sections of the working component with the field terrain elevation data. - View Dependent Claims (3, 4)
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9. A height control system for a work implement, comprising:
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a processing system to; load elevation data for a work surface; identify a desired height of the work implement above the work surface; receive sensor data from different inertial measurement units located on different sections of the work implement identifying different positions of the work implement with respect to the work surface; compare the sensor data with the elevation data; and adjust heights of the different sections of work implement based on the comparison of the sensor data with the elevation data to maintain the desired height of the work implement above the work surface. - View Dependent Claims (13, 14, 15, 16)
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10. A height control system for a work implement, comprising:
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a processing system to; load elevation data for a work surface; identify a desired height of the work implement above the work surface; receive sensor data identifying a position of the work implement with respect to the work surface; compare the sensor data with the elevation data; adjust a height of the work implement based on the comparison of the sensor data with the elevation data to maintain the desired height of the work implement above the work surface; receive inertial movement data as at least part of the sensor data, wherein different portions of the inertial movement data are associated with different sections of the work implement; compare the inertial movement data for the different sections of the work implement with the elevation data; and adjust the height for the work implement above the work surface based the comparison of the inertial movement data for the different sections of the work implement with the elevation data. - View Dependent Claims (11, 12)
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Specification