1. An air suspension system for a passenger vehicle comprising:
at least four corner assemblies, two of the corner assemblies in a front end and two of the corner assemblies in a rear end;
an air supply unit including an ECU, a reservoir, a compressor, and a valve block fluidly connected to the four corner assemblies, wherein the air supply unit is capable of independently adjusting the four corner assemblies; and
wherein the air suspension system is operable to place the four corner assemblies in an unloading mode corresponding to the front corner assemblies in a raised position and the rear corner assemblies in a lowered position, and wherein the air suspension system is operable to place the four corner assemblies in a trailer unloading mode with the front corner assemblies in a lowered position and the rear corner assemblies in a raised position; and
wherein the air pressure can be adjusted to maintain a position of the vehicle as weight is removed in one of said modes.
2. The air suspension system of claim 1, wherein the electronic control unit is controllably connected to valves within fluid lines of the air suspension system to control air supply to control the air supply between the reservoir for the air suspension system and the corner assemblies.
3. The air suspension system of claim 2, the compressor is fluidly connected to the reservoir to maintain a desired fluid pressure within the air suspension system, and wherein operation of the compressor is controlled by the electronic control unit.
4. The air suspension system of claim 1, wherein the air suspension system is one of a closed system and an open system.
5. The air suspension system of claim 1, wherein the raised position corresponds to the furthest point the corresponding suspension corner may be raised and wherein the lowered position corresponds to the lowest position the corresponding suspension corner may be lowered.
6. The air suspension system of claim 1, wherein the unloading mode can be selected by one of a selector in the vehicle and a button on a key fob.
7. The air suspension system of claim 1, wherein the trailer unloading mode has a lower angle between the ground and the rear of the trailer than a normal operating mode, such that the trailer unloading mode can be used to load an object on the vehicle.
8. A suspension system as described in claim 1 wherein when said vehicle accelerates above a certain speed in the forward direction the suspension system is lowered by first lowering the front corner assemblies and then the rear corner assemblies and when the vehicle decelerates below a predefined threshold the rear corner assemblies are first raised and the front assemblies are then raised.
9. A method of adjusting an air suspension system for a vehicle comprising:
detecting with an electronic control unit for the air suspension system that one of an unloading mode and trailer unloading mode has been selected;
controlling air supply within the air suspension system to move two front corner assemblies upward for an unloading mode and downward for a trailer unloading mode and moving two rear corner assemblies downward for an unloading mode and upward for a trailer unloading mode; and
adjusting the air pressure in the corner assemblies to maintain a position of the vehicle as weight is removed in one of said modes.
10. A method of adjusting an air suspension system for a vehicle described in claim 9 further comprising:
lowering the vehicle when the vehicle accelerates forward above a predefined speed by first lowering the front corner assemblies and then lowering the rear corner assemblies and raising the vehicle when the vehicle decelerates below a certain threshold by first raising the rear corner assemblies and then raising the front corner assemblies.
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 method for combing a video signal, the method comprising:
assigning a weight to a 3D comb mesh value; and
blending combing according to the assigned weight of the 3D comb mesh value.
2. The method according to claim 1, further comprising accumulating the weighted 3D comb mesh value to generate accumulated mesh value.
3. The method according to claim 2, further comprising reducing the accumulated mesh value to a saturation value, if the accumulated mesh value exceeds the saturation value.
4. The method according to claim 2, further comprising resetting the accumulated mesh value to zero, if the 3D comb mesh value is smaller than a first threshold value.
5. The method according to claim 2, further comprising generating a multiplier according to the accumulated mesh value.
6. The method according to claim 5, further comprising blending the multiplier, if the accumulated mesh value is between a second threshold value and a third threshold value.
7. The method according to claim 6, further comprising varying blending over a determined range between the second threshold value and the third threshold value.
8. The method according to claim 6, further comprising setting the multiplier to zero, if the accumulated mesh value is at most equal to the second threshold value.
9. The method according to claim 6, further comprising setting the multiplier to one, if the accumulated mesh value is at least equal to the third threshold value.
10. The method according to claim 6, further comprising blending combing according to the blended multiplier and the 3D comb mesh value.
11. The method according to claim 5, further comprising disabling 3D combing, if the multiplier is zero.
12. The method according to claim 5, further comprising 3D combing according to the 3D comb mesh value, if the multiplier is one.
13. A machine-readable storage having stored thereon, a computer program having at least one code section for combing a video signal, the at least one code section being executable by a machine for causing the machine to perform steps comprising:
assigning a weight to a 3D comb mesh value; and
blending combing according to the assigned weight of the 3D comb mesh value.
14. The machine-readable storage according to claim 13, further comprising code for accumulating the weighted 3D comb mesh value to generate accumulated mesh value.
15. The machine-readable storage according to claim 14, further comprising code for reducing the accumulated mesh value to a saturation value, if the accumulated mesh value exceeds the saturation value.
16. The machine-readable storage according to claim 14, further comprising code for resetting the accumulated mesh value to zero, if the 3D comb mesh value is smaller than a first threshold value.
17. The machine-readable storage according to claim 14, further comprising code for generating a multiplier according to the accumulated mesh value.
18. The machine-readable storage according to claim 17, further comprising code for blending the multiplier, if the accumulated mesh value is between a second threshold value and a third threshold value.
19. The machine-readable storage according to claim 18, further comprising code for varying blending over a determined range between the second threshold value and the third threshold value.
20. The machine-readable storage according to claim 18, further comprising code for setting the multiplier to zero, if the accumulated mesh value is at most equal to the second threshold value.
21. The machine-readable storage according to claim 18, further comprising code for setting the multiplier to one, if the accumulated mesh value is at least equal to the third threshold value.
22. The machine-readable storage according to claim 18, further comprising code for blending combing according to the blended multiplier and the 3D comb mesh value.
23. The machine-readable storage according to claim 17, further comprising code for disabling 3D combing, if the multiplier is zero.
24. The machine-readable storage according to claim 17, further comprising code for 3D combing according to the 3D comb mesh value, if the multiplier is one.
25. A system for combing a video signal, the system comprising:
at least one processor that assigns a weight to a 3D comb mesh value; and
the at least one processor blends combing according to the assigned weight of the 3D comb mesh value.
26. The system according to claim 25, further comprising first circuitry that accumulates the weighted 3D comb mesh value to generate accumulated mesh value.
27. The system according to claim 26, further comprising second circuitry that reduces the accumulated mesh value to a saturation value, if the accumulated mesh value exceeds the saturation value.
28. The system according to claim 26, further comprising reset circuitry that resets the accumulated mesh value to zero, if the 3D comb mesh value is smaller than a first threshold value.
29. The system according to claim 26, further comprising a third circuitry that generates a multiplier according to the accumulated mesh value.
30. The system according to claim 29, wherein the third circuitry blends the multiplier, if the accumulated mesh value is between a second threshold value and a third threshold value.
31. The system according to claim 30, wherein the third circuitry varies blending over a determined range between the second threshold value and the third threshold value.
32. The system according to claim 30, wherein the third circuitry sets the multiplier to zero, if the accumulated mesh value is at most equal to the second threshold value.
33. The system according to claim 30, wherein the third circuitry sets the multiplier to one, if the accumulated mesh value is at least equal to the third threshold value.
34. The system according to claim 30, wherein the at least one processor blends combing according to the blended multiplier and the 3D comb mesh value.
35. The system according to claim 29, wherein the at least one processor disables 3D combing, if the multiplier is zero.
36. The system according to claim 29, wherein the at least one processor 3D combs according to the 3D comb mesh value, if the multiplier is one.
37. The system according to claim 29, wherein the third circuitry comprises an estimation circuitry.
38. The system according to claim 27, wherein the second circuitry comprises a saturation circuitry.
39. The system according to claim 26, wherein the first circuitry comprises an adder.