1. A power transmission system for wirelessly supplying power to a load comprising:
a transmitter inductor;
a first switch coupled between a voltage source and the transmitter inductor and controlled to generate a varying current through the transmitter inductor;
a receiver inductor magnetically coupled to the transmitter inductor;
a voltage regulator receiving power from the receiver inductor to generate a regulator output voltage;
a load coupled to an output of the voltage regulator, wherein power in the transmitter inductor is wirelessly coupled to the receiver inductor for being converted to a regulated voltage by the regulator for driving the load;
a peak voltage detector coupled to detect a peak voltage on the transmitter inductor, wherein a peak voltage on the transmitter inductor is affected by an ability of the voltage regulator to achieve regulation for driving the load; and
a controller for controlling a peak current through the transmitter inductor, the controller being controlled to modulate the peak current through the transmitter inductor so as to modulate a peak current through the receiver inductor, wherein the peak voltage on the transmitter inductor increases during a time when the voltage regulator is able to achieve regulation,
wherein the controller is configured to terminate modulating the peak current through the transmitter inductor, based on a change in the peak voltage, so that the voltage regulator is able to achieve regulation.
2. The system of claim 1 wherein the controller is controlled to modulate the peak current through the transmitter inductor by modulating the voltage generated by the voltage source.
3. The system of claim 1 wherein the controller is controlled to modulate the peak current through the transmitter inductor by modulating a pulse width of driving pulses applied to the first switch.
4. The system of claim 1 wherein the receiver inductor is housed along with the load in a device for recharging a battery in the device.
5. A power transmission method for wirelessly supplying power to a load comprising:
providing a transmitter inductor;
controlling a first switch, coupled between a voltage source and the transmitter inductor, to generate a varying current through the transmitter inductor;
providing a receiver inductor magnetically coupled to the transmitter inductor;
receiving power from the receiver inductor by a voltage regulator to generate a regulator output voltage;
providing a load coupled to an output of the voltage regulator, wherein power in the transmitter inductor is wirelessly coupled to the receiver inductor for being converted to a regulated voltage by the regulator for driving the load;
detecting a peak voltage on the transmitter inductor, wherein a peak voltage on the transmitter inductor is affected by an ability of the voltage regulator, receiving power from the receiver inductor, to achieve regulation for driving the load;
controlling a peak current through the transmitter inductor, the controller being controlled to modulate the peak current through the transmitter inductor so as to modulate a peak current through the receiver inductor, wherein the peak voltage on the transmitter inductor increases during a time when the voltage regulator is able to achieve regulation; and
terminating modulating the peak current through the transmitter inductor, based on a change in the peak voltage, so that the voltage regulator is able to achieve regulation.
6. The method of claim 5 wherein the controller is controlled to modulate the peak current through the transmitter inductor by modulating the voltage generated by the voltage source.
7. The method of claim 5 wherein the controller is controlled to modulate the peak current through the transmitter inductor by modulating a pulse width of driving pulses applied to the first switch.
8. The method of claim 5 wherein the receiver inductor is housed along with the load in a device for recharging a battery in the device.
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 system for controlling flare in a roll-forming process, comprising:
a component position detector configured to detect a component;
a comparator configured to compare a flare tolerance value and a flare measurement value of the component, wherein the component includes a plurality of zones, and wherein the flare measurement value corresponds to one of the plurality of zones;
a storage interface configured to retrieve a roller position value from a memory based on the comparison; and
a flange roller adjuster communicatively coupled to the storage interface and the component position detector and configured to obtain the roller position value from the storage interface and change a position of a roller based on the roller position value to condition the component.
2. A system as defined in claim 1, wherein the flange roller adjuster is configured to change the position of the roller in response to the component position detector detecting the component.
3. A system as defined in claim 1, wherein the flange roller adjuster is configured to change the position of the roller to condition the one of the plurality of zones.
4. A system as defined in claim 1, further comprising a sensor interface communicatively coupled to the comparator and configured to communicate the flare measurement value to the comparator.
5. A system as defined in claim 4, wherein the sensor interface is configured to be communicatively coupled to at least one of a linear voltage displacement transducer, an optical sensor, a laser sensor, a proximity sensor, or an ultrasonic sensor.
6. A system as defined in claim 1, wherein the roller position value is determined based on the comparison of the flare tolerance value and the flare measurement value.
7. A system as defined in claim 1, wherein the flange roller adjuster is configured to be communicatively coupled to a position adjustment system and a linear encoder.
8. A system as defined in claim 1, wherein to flange roller adjuster is configured to change to position of to roller by tilting or pivoting to roller.
9. An apparatus comprising:
a roller to condition a material;
a first sensor to generate a first measurement value of a first condition of a zone of the material;
a roller adjuster to adjust a position of the roller based on the first measurement value to condition the material, wherein the material is a purlin having at least one flange structure, and wherein the first measurement value indicates at least one of an overforming or an underforming of the flange structure; and
a second sensor to generate a second measurement value of a second condition of the zone of the material after the roller conditions the material based on the first measurement value.
10. An apparatus as defined in claim 9, wherein the first measurement value indicates an amount of flare in the material.
11. An apparatus as defined in claim 9, further comprising a storage interface to retrieve a roller position value from a data structure, wherein the roller adjuster is configured to adjust the position of the roller based on the roller position value.
12. An apparatus as defined in claim 11, further comprising a roller position value modifier configured to generate a second roller position value based on the second measurement value, wherein the storage interface is configured to update the roller position value in a data structure based on the second roller position value.
13. An apparatus as defined in claim 9, wherein the roller adjuster is configured to adjust a position of the roller based on a comparison of the first measurement value and a threshold value.
14. An apparatus as defined in claim 9, wherein to roller adjuster is to adjust to position of to roller by tilting or pivoting to roller.
15. A machine accessible medium having instructions stored thereon that, when executed, cause a machine to:
obtain a flare measurement value associated with a purlin, wherein the flare measurement value corresponds to an amount of flare in a flange structure of the purlin;
determine a roller position value based on the flare measurement value;
store the roller position value in a data structure for subsequent retrieval; and
receive material identification information and provide the roller position value based on the material identification information.
16. A machine accessible medium as defined in claim 15, wherein the flare corresponds to at least one of an overforming or an underforming of the flange structure.
17. A machine accessible medium as defined in claim 15 having instructions stored thereon that, when executed, cause the machine to provide the roller position value to adjust a roller to condition another flange structure.
18. A machine accessible medium as defined in claim 15 having instructions stored thereon that, when executed, cause the machine to obtain a second flare measurement value, generate a second roller position value based on the second flare measurement value, and update the roller position value in the data structure based on the second roller position value.
19. A machine accessible medium as defined in claim 15 having instructions stored thereon that, when executed, cause the machine to store the roller position value in the data structure in association with a purlin profile.
20. A machine accessible medium as defined in claim 15, wherein the material identification information references a profile associated with the roller position value in the data structure.