1. A system for controlling slip of a ground-engaging traction device of a work machine, comprising:
an actual slip calculator operable to transmit an actual slip signal corresponding to an actual slip experienced by the work machine;
a ground condition selector operable to transmit a ground condition signal corresponding to a selected ground condition;
a desired slip calculator operable to transmit a desired slip signal based on the ground condition signal; and
a slip controller coupled with the actual slip calculator and the desired slip calculator, the slip controller operable to transmit a slip control signal based on the actual slip signal and the desired slip signal, wherein the slip control signal controls the actual slip experienced by the work machine to achieve the desired slip.
2. The system of claim 1, wherein the desired slip calculator includes data that define a relationship between slip and ground condition for a particular work machine configuration.
3. The system of claim 1, further including a tractive efficiency selector operable to transmit a tractive efficiency signal corresponding to a selected tractive efficiency, and wherein the desired slip calculator is further operable to transmit the desired slip signal based on the tractive efficiency signal.
4. The system of claim 3, wherein the desired slip calculator includes data that define a relationship between slip and tractive efficiency for a particular work machine configuration.
5. The system of claim 1, wherein the slip control signal includes a slip-controlled torque signal operable to control a torque of a propulsion system of the work machine.
6. The system of claim 5, further including a torque manager operable to transmit a propulsion system torque signal based on the slip-controlled torque signal, the propulsion system torque signal operable to control a torque of the propulsion system.
7. A system for controlling slip of a ground-engaging traction device of a work machine, comprising:
an actual slip calculator operable to transmit an actual slip signal corresponding to an actual slip experienced by the work machine;
a tractive efficiency selector operable to transmit a tractive efficiency signal corresponding to a selected tractive efficiency;
a desired slip calculator operable to transmit a desired slip signal based on the tractive efficiency signal; and
a slip controller coupled with the actual slip calculator and the desired slip calculator, the slip controller operable to transmit a slip control signal based on the actual slip signal and the desired slip signal, wherein the slip control signal controls the actual slip experienced by the work machine to achieve the desired slip.
8. The system of claim 7, wherein the desired slip calculator includes data that define a relationship between slip and tractive efficiency for a particular work machine configuration.
9. The system of claim 7, wherein the slip control signal includes a slip-controlled torque signal to control a torque of a propulsion system of the work machine.
10. The system of claim 9, further including a torque manager operable to transmit a propulsion system torque signal based on the slip-controlled torque signal, the propulsion system torque signal controlling a torque of the propulsion system.
11. A method for controlling slip of a ground-engaging traction device of a work machine, comprising:
determining an actual slip experienced by the work machine;
receiving a ground condition signal corresponding to a selected ground condition;
determining a desired slip based on the ground condition signal; and
controlling the actual slip experienced by the work machine to achieve the desired slip.
12. The method of claim 11, wherein determining a desired slip includes defining a relationship between slip and ground condition for a particular work machine configuration.
13. The method claim 11, further including receiving a tractive efficiency signal corresponding to a selected tractive efficiency, and wherein determining a desired slip further includes determining the desired slip based on the tractive efficiency signal.
14. The method of claim 13, wherein determining a desired slip based on the tractive efficiency signal includes defining a relationship between slip and tractive efficiency for a particular work machine configuration.
15. The method of claim 11, wherein controlling an actual slip experienced by the work machine includes controlling a torque of a propulsion system of the work machine.
16. A method for controlling slip of a ground-engaging traction device of a work machine, comprising:
determining an actual slip experienced by the work machine;
receiving a tractive efficiency signal corresponding to a selected tractive efficiency;
determining a desired slip based on the tractive efficiency signal; and
controlling the actual slip experienced by the work machine to achieve the desired slip.
17. The method of claim 16, wherein determining a desired slip includes defining a relationship between slip and tractive efficiency for a particular work machine configuration.
18. The method of claim 16, wherein controlling an actual slip experienced by the work machine includes controlling a torque of a propulsion system of the work machine.
19. A work machine, comprising:
a propulsion system;
an actual slip calculator operable to transmit an actual slip signal corresponding to an actual slip experienced by the work machine;
a ground condition selector operable to transmit a ground condition signal corresponding to a selected ground condition;
a desired slip calculator operable to transmit a desired slip signal based on the ground condition signal; and
a slip controller coupled with the actual slip calculator and the desired slip calculator, the slip controller operable to transmit a slip control signal based on the actual slip signal and the desired slip signal, wherein a power output of the propulsion system is varied based on the slip control signal to control the actual slip experienced by the work machine to achieve the desired slip.
20. The work machine of claim 19, wherein the desired slip calculator includes data that define a relationship between slip and ground condition for a particular work machine configuration.
21. The work machine of claim 19, further including a tractive efficiency selector operable to transmit a tractive efficiency signal corresponding to a selected tractive efficiency, and wherein the desired slip calculator is further operable to transmit the desired slip signal based on the tractive efficiency signal.
22. The work machine of claim 21, wherein the desired slip calculator includes data that define a relationship between slip and tractive efficiency for a particular work machine configuration.
23. The work machine of claim 19, wherein the slip control signal includes a slip-controlled torque signal to control a torque of the propulsion system.
24. The work machine of claim 23, further including a torque manager operable to transmit a propulsion system torque signal based on the slip-controlled torque signal, the propulsion system torque signal controlling a torque of the propulsion system.
25. A work machine, comprising:
a propulsion system;
an actual slip calculator operable to transmit an actual slip signal corresponding to an actual slip experienced by the work machine;
a tractive efficiency selector operable to transmit a tractive efficiency signal corresponding to a tractive efficiency selected by an operator of the work machine;
a desired slip calculator operable to transmit a desired slip signal based on the tractive efficiency signal; and
a slip controller coupled with the actual slip calculator and the desired slip calculator, the slip controller operable to transmit a slip control signal based on the actual slip signal and the desired slip signal, wherein a power output of the propulsion system is varied based on the slip control signal to control the actual slip experienced by the work machine to achieve the desired slip.
26. The work machine of claim 25, wherein the desired slip calculator includes data that define a relationship between slip and tractive efficiency for a particular work machine configuration.
27. The work machine of claim 25, wherein the slip control signal includes a slip-controlled torque signal to control a torque of a propulsion system of the work machine.
28. The work machine of claim 27, further including a torque manager operable to transmit a propulsion system torque signal based on the slip-controlled torque signal, the propulsion system torque signal controlling a torque of the propulsion system.
29. A work machine, comprising:
an electric drive propulsion system;
an actual slip calculator operable to transmit an actual slip signal corresponding to an actual slip experienced by the work machine;
a desired slip calculator operable to transmit a desired slip signal based on at least one operational input parameter; and
a slip controller coupled with the actual slip calculator and the desired slip calculator, the slip controller operable to transmit a slip control signal based on the actual slip signal and the desired slip signal, wherein a torque output of the electric drive propulsion system is varied based on the slip control signal to control the actual slip experienced by the work machine to achieve the desired slip.
30. The work machine of claim 29, wherein the operational input parameter includes at least one of a ground condition signal corresponding to a selected ground condition and a tractive efficiency signal corresponding to a selected tractive efficiency.
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. An image processing method comprising the steps of:
sending color patch data to an output device to control the output device to record color patches, wherein when the output device can record color patches on a recording paper sheet of a size not less than twice a recording paper sheet size that a colorimetry device can measure, the output device records two color patch groups each having the recording paper sheet size that the colorimetry device can measure;
controlling the colorimetry device to read the two color patch groups; and
generating a profile of the output device on the basis of colorimetric results of the two color patch groups,
wherein read start positions of the two color patch groups are symmetrically arranged about a given point.
2. The method according to claim 1, further comprising the step of instructing, when the colorimetry device reads the two color patch groups and a read process of the first color patch group is complete, a user to rotate through 180\xb0 the recording paper sheet on which the two color patch groups are recorded.
3. A control method of an image processing apparatus which generates a plurality of conversion tables, which are used to convert an image between a color space depending on an output device and a color space independent of a device, on the basis of a read result of an output image of the output device, comprising the step of instructing to rotate the output image through 180\xb0 while reading the output image.
4. The method according to claim 3, wherein two color patch groups which are arranged in opposite directions are printed on the output image.
5. The method according to claim 4, wherein the output image has A3 size, and the two color patch groups are respectively printed as A4-size images.
6. The method according to claim 3, wherein the instruction for rotating the output image through 180\xb0 is issued after one of the two color patch groups is read and before a read process of the other color patch group starts.
7. An image processing apparatus for reading an output image of an output device to generate a plurality of conversion tables which are used to convert an image between a color space depending on the output device and a color space independent of a device, comprising:
a colorimetric unit, arranged to measure color patches;
a carrier, arranged to move said colorimetric unit to a position above the color patches arranged on the output image; and
a controller, arranged to control operations of said colorimetric unit and said carrier,
wherein said controller instructs to rotate the output image through 180\xb0 while reading the output image.
8. The apparatus according to claim 7, wherein two color patch groups which are arranged in opposite directions are printed on the output image.
9. The apparatus according to claim 8, wherein the output image has A3 size, and the two color patch groups are respectively printed as A4-size images.
10. The apparatus according to claim 7, wherein said controller instructs to rotate the output image through 180\xb0 after one of the two color patch groups is read and before a read process of the other color patch group starts.
11. A computer program product comprising a computer readable medium storing a computer program code, for an image processing method, comprising process procedure code for:
sending color patch data to an output device to control the output device to record color patches, wherein when the output device can record color patches on a recording paper sheet of a size not less than twice a recording paper sheet size that a colorimetry device can measure, the output device records two color patch groups each having the recording paper sheet size that the colorimetry device can measure;
controlling the colorimetry device to read the two color patch groups; and
generating a profile of the output device on the basis of colorimetric results of the two color patch groups,
wherein read start positions of the two color patch groups are symmetrically arranged about a given point.
12. A computer program product comprising a computer readable medium storing a computer program code, for a control method of an image processing apparatus for generating a plurality of conversion tables which are used to convert an image between a color space depending on an output device and a color space independent of a device on the basis of a read result of an output image of the output device, comprising process procedure code for instructing to rotate the output image through 180\xb0 while reading the output image.