System and method for presenting topographical data for an earthmoving operation

• US 9,176,235 B2
• Filed: 04/11/2008
• Issued: 11/03/2015
• Est. Priority Date: 04/11/2008
• Status: Active Grant

• Current Assignee: Caterpillar Trimble Control Technologies LLC
• Original Assignee: Caterpillar Trimble Control Technologies LLC
• Inventors: Nichols, Mark Edward
• Primary Examiner(s): HARRISON, CHANTE E
• Application Number:
  US12/101,523
• Publication Number:
  US 20090256860A1
• Time in Patent Office: 2,762 Days
• Field of Search: 345/419, 345/629, 345/632, 701/50, 702/150
• US Class Current: 1/1
• CPC Class Codes: G01S 19/40 Correcting position, velocity or attitude
• CPC Class Codes: G06T 19/00 Manipulating 3D models or images for computer graphics

Abstract

System and method for presenting a visual image of a work site for an earthmoving machine. In one embodiment, target design data for the work site may be received. A spatial location and orientation for an earthmoving machine operating in relation to the work site may also be received. A visual image of at least a portion of the work site may be received from an imaging device mounted to the earthmoving machine. A visual image of the portion of the work site may be displayed with a subset of the design data overlaying the visual image, wherein the subset of the design data relates to the portion of the work site.

Claims

1. A method for presenting a visual image of a work site for an earthmoving operation, the method comprising the acts of:

receiving target design data for the work site;

receiving a spatial location and orientation for an earthmoving machine operating in relation to the work site;

receiving a visual image of at least a portion of the work site from an imaging device mounted to the earthmoving machine; and

displaying the visual image of the portion of the work site with a target design profile overlaying the visual image, the target design profile based on a subset of the design data overlaying the visual image, wherein the subset of the design data includes a target design surface for the portion of the work site with data indicating a desired elevation and grade of the worksite for display.

2. The method of claim 1, wherein the target design surface corresponds to at least one of position data, elevation data, grade data, cut/fill data and a spatial reference mark for the work site.

3. The method of claim 1, wherein the spatial location data comprises at least one of global navigation satellite system (GNSS) data, global positioning system (GPS) data and geo-spatial positioning data in general.

4. The method of claim 1, wherein displaying the visual image further comprises updating the subset of the target design data based on at least one of a change in position and a change in orientation of the earthmoving machine.

5. The method of claim 1, wherein displaying the visual image further comprises updating the subset of the target design data based on a change in a topographical characteristic of the work site.

6. The method of claim 1, wherein displaying the visual image further comprises displaying the subset of the design data as at least one of color shading and tinting the visual image.

7. The method of claim 1, further comprising adjusting the display of the visual image of the work site based, at least in part, on a received user input.

8. The method of claim 7, wherein adjusting the display of the visual image comprises at least one of increasing, decreasing, horizontally positioning and vertically positioning a viewing angle of the portion of the work site.

9. The method of claim 1, further comprising adjusting the display of the subset of the design data based, at least in part, on transverse, longitudinal and vertical rotation.

10. An operator interface for presenting a visual image of a work site for an earthmoving machine, the interface comprising:

a display;

at least one input configured to receive

target design data for the work site,

a spatial location and orientation for an earthmoving machine operating in relation to the work site, and

a visual image of at least a portion of the work site from an imaging device mounted to the earthmoving machine; and

a processor coupled to the at least one input and the display, the processor configured to;

output data received by the at least one input to the display such that a visual image of the portion of the work site is displayed with a target design profile overlaying the visual image, and

the target design profile based on a subset of the design data is displayed overlaying the visual image, wherein the subset of the design data includes a target design surface for the portion of the work site with data indicating a desired elevation and grade of the worksite for display.

11. The operator interface of claim 10, wherein the target design surface corresponds to at least one of position data, elevation data, grade data, cut/fill data and a spatial reference mark for the work site.

12. The operator interface of claim 10, wherein the spatial location data comprises at least one of global navigation satellite system (GNSS) data, global positioning system (GPS) data, ground based radio positioning data and geo-spatial positioning data in general.

13. The operator interface of claim 10, wherein the processor is further configured to update the subset of the target design data based on at least one of a change in position and a change in orientation of the earthmoving machine.

14. The operator interface of claim 10, wherein the processor is further configured to update the subset of the target design data based on a change in a topographical characteristic of the work site.

15. The operator interface of claim 10, wherein displaying the visual image further comprises displaying the subset of the target design data as at least one of color shading and tinting the visual image.

16. The operator interface of claim 10, processor is further configured to adjust the display of the visual image of the work site based, at least in part, on a received user input.

17. The operator interface of claim 16, wherein adjusting the display of the visual image comprises at least one of increasing, decreasing, horizontally positioning and vertically positioning a viewing angle of the portion of the work site.

18. The operator interface of claim 10, wherein the processor is further configured to adjust the display of the subset of the design data based, at least in part, on transverse, longitudinal and vertical rotation of the earthmoving machine.