IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0428768
(2012-03-23)
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등록번호 |
US-8614555
(2013-12-24)
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발명자
/ 주소 |
- Sheahan, Jr., James J.
- Omohundro, Thomas W.
- Peck, Jr., James L.
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
0 인용 특허 :
16 |
초록
▼
An actuator control system includes a controller and a buck-boost circuit. The controller is configured to direct power from a power source to an actuator. The actuator is coupled to a control device to apply a force related to operation of a vehicle. The buck-boost circuit is configured to direct e
An actuator control system includes a controller and a buck-boost circuit. The controller is configured to direct power from a power source to an actuator. The actuator is coupled to a control device to apply a force related to operation of a vehicle. The buck-boost circuit is configured to direct excess power generated by the actuator to an energy storage device when an actuator power level satisfies an anticipated power level.
대표청구항
▼
1. A system comprising: an actuator control system comprising: a controller configured to direct power from a power source to a particular actuator, wherein the particular actuator is coupled to a control device to apply a force related to operation of a vehicle, wherein the controller includes a ne
1. A system comprising: an actuator control system comprising: a controller configured to direct power from a power source to a particular actuator, wherein the particular actuator is coupled to a control device to apply a force related to operation of a vehicle, wherein the controller includes a network of transistor nodes; anda buck-boost circuit configured to direct excess power generated by the particular actuator to an energy storage device when an actuator power level of the particular actuator is greater than an anticipated power level, wherein the buck-boost circuit includes an inductor coupled in series with a diode and includes a switching device that is coupled to a relative ground, wherein energy is accumulated at the energy storage device when the switching device is in a first mode, and energy is drawn from the energy storage device when the switching device is in a second mode, and wherein the buck-boost circuit is coupled to an output of the network of transistor nodes. 2. The system of claim 1, wherein the diode is coupled to a positive terminal of the energy storage device. 3. The system of claim 1, wherein each transistor node of the network of transistor nodes includes an integrated gate bipolar transistor (IGBT) and a reverse current diode. 4. The system of claim 1, wherein the vehicle includes one of an aircraft, a ground vehicle, and a water craft. 5. The system of claim 1, further comprising: a first filter coupled to the controller and configured to receive the power from the power source via a bus;a blocking diode positioned between the controller and the first filter;a converter having an input coupled to the energy storage device; anda second filter coupled to an output of the converter. 6. The system of claim 1, wherein the switching device includes a transistor. 7. The system of claim 6, wherein an output of the buck-boost circuit is based on a duty cycle of the transistor switching between the first mode and the second mode. 8. The system of claim 1, further comprising a blocking diode positioned between the controller and a bus, wherein the blocking diode is configured to prohibit the excess power generated by the particular actuator from being supplied to the bus via the controller. 9. A method comprising: directing, at a controller of an actuator control system of a particular actuator, power from a power source to the particular actuator, wherein the particular actuator is coupled to a control device to apply a force related to operation of a vehicle, wherein the controller includes a network of transistor nodes; anddirecting, at the actuator control system, excess power generated by the particular actuator to an energy storage device via a buck-boost circuit when an actuator power level of the particular actuator is greater than an anticipated power level, wherein the buck-boost circuit includes an inductor coupled in series with a diode and includes a switching device that is coupled to a relative ground, wherein energy is accumulated at the energy storage device when the switching device is in a first mode, and energy is drawn from the energy storage device when the switching device is in a second mode, and wherein the buck-boost circuit is coupled to an output of the network of transistor nodes. 10. The method of claim 9, further comprising drawing supplemental power from the energy storage device to a bus via the buck-boost circuit. 11. The method of claim 9, further comprising: receiving the power from the power source via a bus; andmonitoring the actuator power level. 12. The method of claim 9, wherein the particular actuator uses the power to manipulate the control device to direct the operation of the vehicle and wherein the particular actuator includes at least one of a motor, a pneumatic cylinder, a hydraulic cylinder, and a shape memory alloy linkage. 13. The method of claim 9, wherein the power source includes at least one of a generator, a battery, and a fuel cell. 14. The method of claim 9, wherein the energy storage device includes at least one of a chemical storage device, an electrochemical storage device, a lithium ion battery, an electric double-layer capacitor, and a flywheel. 15. A system comprising: an actuator control system comprising: means for directing power from a power source to a particular actuator, wherein the particular actuator is coupled to a control device to apply a force related to operation of a vehicle, wherein the means for directing includes means for generating a communication pulse that is applied to the particular actuator; anda buck-boost circuit configured to direct excess power generated by the particular actuator to an energy storage device when an actuator power level of the particular actuator is greater than an anticipated power level, wherein the excess power is directed to the energy storage device during an interval between two consecutive communication pulses generated by the means for generating, and wherein the buck-boost circuit is coupled to an output of the means for directing. 16. The system of claim 15, wherein the means for directing includes one of a microprocessor and a network of transistor nodes. 17. The system of claim 15, wherein the control device includes at least one of a motor, a fan, an aileron, a flap, a rudder, a slat, a stabilator, a flaperon, a steering linkage, a shock absorber, and a sail.
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