1. A system for controlling a drilling system configured for drilling a borehole in an earth formation, comprising:
the drilling system, wherein the drilling system comprises a drill-string coupled with a bottomhole assembly, and the bottomhole assembly comprises a drill bit;
an interaction element rotatably coupled with the drilling system, wherein:
the interaction comprises a gauge pad assembly disposed circumferentially around the drilling system;
the gauge pad assembly defines an interaction silhouette having a first area, and the drill bit defines a cutting silhouette having a second area, such that at least one of a size or location of the first area is different from a size or location of the second area;
the gauge pad assembly is held geostationary in the borehole during operation of the drilling system; and
the gauge pad assembly is disposed proximal to the drill bit at a distance of about 3 meters or less; and
a controller configured to rotate the interaction element around the drilling system to change the interaction silhouette.
2. The system of claim 1, wherein the interaction element is disposed proximal to the drill bit at a distance within a range from about 0.5 meters to about 2.5 meters.
3. The system of claim 1, wherein the interaction element is disposed proximal to the drill bit at a distance within a range from about 1.0 meter to about 2.0 meters.
4. The system of claim 1, wherein the interaction element is disposed proximal to the drill bit at a distance within a range from about 0.1 meters to about 1.0 meters.
5. The system of claim 1, wherein the interaction element is disposed proximal to the drill bit at a distance within a range from about 0.05 meters to about 0.5 meters.
6. The system of claim 1, wherein the interaction element is disposed proximal to the drill bit at a distance within a range from about 0.7 meters to about 1.3 meters.
7. The system of claim 1, wherein the interaction element is disposed proximal to the drill bit at a distance within a range from about 0.9 meters to about 1.1 meters.
8. The system of claim 1, wherein the interaction element is disposed proximal to the drill bit at a distance of less than about 2.0 meters.
9. The system of claim 1, wherein the interaction element is disposed proximal to the drill bit at a distance of less than about 1.0 meter.
10. The system of claim 1, wherein the interaction element is disposed proximal to the drill bit at a distance of less than about 0.5 meters.
11. The system of claim 1, wherein the interaction element is nonuniformly circumferentially compliant.
12. The system of claim 1, wherein the interaction silhouette has a circular shape and a central point, and wherein the central point is laterally offset from a central axis of the bottomhole assembly.
13. The system of claim 1, wherein the interaction silhouette has an elliptical shape.
14. The system of claim 1, wherein the interaction silhouette has a noncircular shape.
15. The system of claim 1, wherein the interaction element is adjustable between a first configuration that presents a first interaction silhouette and a second configuration that presents a second interaction silhouette.
16. The system of claim 1, wherein the gauge pad assembly comprises a cylinder.
17. The system of claim 1, wherein the interaction element comprises a cam mechanism that adjusts the interaction element from a first configuration presenting a first interaction silhouette to a second configuration presenting a second interaction silhouette.
18. A method of controlling a trajectory of a drilling system in a borehole in an earth formation, comprising:
positioning the drilling system in the borehole, the drilling system comprising a drill-string coupled with a bottomhole assembly, and the bottomhole assembly comprising a drill bit;
controlling intermittent contact occurring between the drilling system and a surface of the borehole with an interaction element that is rotatably coupled with the drilling system;
using the controlled intermittent contact between the drilling system and the surface of the borehole to control the trajectory of the drilling system in the borehole, wherein:
the interaction element comprises a gauge pad assembly that is disposed circumferentially around the drilling system and configured to intermittently contact a surface of the borehole during drilling;
the gauge pad assembly defines an interaction silhouette having a first area, and the drill bit defines a cutting silhouette having a second area, such that at least one of a size and a location of the first area is different from a size or location of the second area;
the gauge pad assembly is held geostationary in the borehole during operation of the drilling system; and
the gauge pad assembly is disposed proximal to the drill bit at a distance of about 3 meters or less; and
rotating the interaction element around the drilling system to change the interaction silhouette.
19. The method of claim 18, wherein the interaction element is disposed proximal to the drill bit at a distance within a range from about 0.9 meters to about 1.1 meters.
20. The method of claim 18, wherein the interaction element is disposed proximal to the drill bit at a distance of less than about 2.0 meters.
21. The method of claim 18, wherein the interaction element is disposed proximal to the drill bit at a distance of less than about 1.0 meter.
22. The method of claim 18, wherein the interaction element is disposed proximal to the drill bit at a distance of less than about 0.5 meter.
23. The method of claim 18, wherein the step of controlling intermittent contact occurring between the drilling system and a surface of the borehole with the interaction element comprises using the interaction element to inhibit stochastic motion of the drilling system in one or more lateral directions.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A stencil printing machine including a plurality of drum units, comprising:
an original scanning unit reading in image data of an original as original image data, the original including a black letter and an image with a specific density range; and
a controller including: a unit for reading out image data of the black letter and image data of the image with the specific density range from the original image data as black letter extraction data and specific density range extraction data, respectively; and a unit for removing noise from the specific density range extraction data, the controller controlling the stencil printing machine to divide an image of the black letter and the image with the specific density range into separate stencils using the specific density range extraction data with noise removed and the black letter extraction data.
2. The stencil printing machine according to claim 1, wherein
the unit for removing noise comprises:
a unit for expanding black pixels in the black letter extraction data by a predetermined width of pixels; and
a unit for subtracting the black letter extraction data after an expansion process from the specific density range extraction data.
3. A method of controlling a stencil printing machine including a plurality of drum units, comprising the steps of:
reading in image data of an original as original image data, the original including a black letter and an image with a specific density range;
reading out image data of the black letter and image data with a specific density range from the original image data as black letter extraction data and specific density range extraction data, respectively;
removing noise from the specific density range extraction data; and
controlling the stencil printing machine to divide an image of the black letter and the image with the specific density range into separate stencils using the specific density range extraction data with noise removed and the black letter extraction data.