1. A method for designing tufting-machine-produced material comprising:
receiving a desired aesthetic appearance;
receiving a user selection corresponding to a tufting machine configuration comprising a tufting machine and tufting machine setup variables; and
simulating a simulated tufted appearance of the desired aesthetic appearance as if it were tufted using the tufting machine configuration.
2. The method of claim 1, wherein the user selection is of an existing tufted parent product already associated with a tufting machine configuration.
3. A method for designing tufting-machine-produced material comprising:
receiving an electronic image of a desired aesthetic appearance;
simulating a first simulated appearance for a first set of tufting variables corresponding to a first tufting machine configuration; and
simulating a second simulated appearance for a second set of tufting variables corresponding to a second tufting machine configuration.
4. A method for designing tufting-machine-produced material comprising:
receiving an electronic image of a desired aesthetic appearance, wherein the image comprises a resolution and a number of colors;
simulating a first simulated appearance for a first set of tufting variables using a first modified electronic image formed by modifying the electronic image of the desired aesthetic appearance by (a) adjusting the number of colors, (b) adjusting the resolution, and (c) selecting a first pile height pattern; and
simulating a second simulated appearance for a second set of tufting variables using a second modified electronic image formed by modifying the electronic image of the desired aesthetic appearance by (a) adjusting the number of colors, (b) adjusting the resolution, and
(c) selecting a second pile height pattern.
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 starting and generating system for use with an aircraft engine, said starting and generating system comprising:
a startergenerator configured to start the aircraft engine in a start mode and to generate AC power in a generate mode, said startergenerator comprising an exciter and a rotational shaft; and
an inverterconvertercontroller (ICC) coupled to said startergenerator, said ICC configured to provide AC power at a first frequency to said startergenerator in the start mode and to control said exciter during the generate mode such that the generate mode AC power has a second frequency, wherein the first frequency is based on a shaft speed of said shaft and wherein the second frequency is substantially constant and less than the first frequency.
2. A starting and generating system in accordance with claim 1, wherein said startergenerator further comprises:
a main machine comprising a main stator and a main rotor; and
a permanent magnet generator (PMG) comprising a PMG stator and a PMG rotor.
3. A starting and generating system in accordance with claim 2, wherein said ICC comprises a main IGBT bridge coupled to said main stator, said main machine configured to generate AC power at the second frequency during the generate mode.
4. A starting and generating system in accordance with claim 3, wherein said ICC comprises an exciter bridge coupled to said exciter stator, said exciter bridge configured to control said exciter such that said exciter operates as a braking mode induction machine.
5. A starting and generating system in accordance with claim 4, wherein said exciter bridge comprises one of an IGBT bridge, a MOSFET bridge, and an SiC MOSFET bridge.
6. A starting and generating system in accordance with claim 4, wherein said exciter bridge is configured to generate a variable AC exciter supply voltage.
7. A starting and generating system in accordance with claim 1, wherein said exciter comprises an exciter stator and an exciter rotor, said exciter stator comprising an AC winding, and wherein said ICC comprises an exciter bridge configured to provide the AC power at the first frequency to said winding.
8. A starting and generating system for use with an aircraft engine, said starting and generating system comprising:
a startergenerator configured to start the aircraft engine in a start mode and to generate AC power in a generate mode, said startergenerator comprising an exciter and a rotational shaft;
an inverterconvertercontroller (ICC) coupled to said startergenerator, said ICC configured to provide AC power at a first frequency to said startergenerator in the start mode and to control said exciter during the generate mode such that the generate mode AC power has a second frequency, said ICC comprising a control board configured to control said ICC by determining the first frequency based on a shaft speed of said shaft and wherein the second frequency is substantially constant and less than the first frequency.
9. A starting and generating system in accordance with claim 8, wherein said startergenerator further comprises:
a main machine comprising a main stator and a main rotor; and
a permanent magnet generator (PMG) comprising a PMG stator and a PMG rotor.
10. A starting and generating system in accordance with claim 9, wherein said ICC further comprises a main IGBT bridge coupled to said main stator, said main machine configured to generate AC power at the second frequency during the generate mode.
11. A starting and generating system in accordance with claim 10, wherein said ICC comprises an exciter bridge coupled to said exciter stator, said exciter bridge configured to control said exciter such that said exciter operates as a braking mode induction machine.
12. A starting and generating system in accordance with claim 11, wherein said exciter bridge comprises one of an IGBT bridge, a MOSFET bridge, and an SiC MOSFET bridge.
13. A starting and generating system in accordance with claim 11, wherein said exciter bridge is configured to generate a variable AC exciter supply voltage.
14. A starting and generating system in accordance with claim 8, wherein said exciter comprise an exciter stator comprising an AC winding, and wherein said ICC comprises an exciter bridge configured to provide the AC power at the first frequency to said winding.
15. A method of controlling a starting and generating system for use with an aircraft engine, the starting and generating system including a startergenerator and an inverterconvertercontroller (ICC), the startergenerator including a rotational shaft, said method comprising:
providing, by the ICC, AC power at a first frequency to the startergenerator during a start mode, wherein the first frequency is a variable frequency based on a shaft speed of the shaft;
starting the aircraft engine using the startergenerator; and
using the ICC, controlling the startergenerator during a generate mode to generate AC power at a second frequency and wherein the second frequency is substantially constant and less than the first frequency.
16. A method in accordance with claim 15, wherein the startergenerator includes an exciter having at least one AC winding and the ICC includes an exciter bridge, and wherein providing AC power at a first frequency to the starter generator during a start mode comprises:
determining the shaft speed;
determining the first frequency based on the shaft speed; and
providing AC power to the at least one AC winding at the first frequency.
17. A method in accordance with claim 16, wherein providing AC power to the at least one AC winding comprises generating a variable AC exciter supply voltage using the exciter bridge.
18. A method in accordance with claim 15, further comprising generating AC power during the generate mode at the second frequency using the main machine.