[특허]Actuator controller to controllably supply DC power to a bi-directional electromechanical actuator

[미국특허] Actuator controller to controllably supply DC power to a bi-directional electromechanical actuator 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B60R-016/033 F16D-027/14 F16D-023/12 F16D-028/00 F16D-041/12 F16D-041/14
출원번호	US-0933360 (2015-11-05)
등록번호	US-9822825 (2017-11-21)
발명자 / 주소	Essenmacher, Ryan W.
출원인 / 주소	Means Industries, Inc.
대리인 / 주소	Brooks Kushman P.C.
인용정보	피인용 횟수 : 0 인용 특허 : 30

초록 ▼

An actuator controller to controllably supply DC power to a bi-directional electromechanical actuator is provided. The controller includes a first circuit to receive power and direction command signals from a remote electronic control unit through a vehicle-based bus. Control logic is operative to determine a vehicle system failure and to generate a failsafe position command signal in the event of the failure. A failsafe power circuit controllably stores electrical power and supplies the stored electrical power based on the failsafe position command signal. A power switching and supply circuit supplies DC power of a desired polarity to the electromechanical actuator in response to the power and direction command signals in the absence of the failure and supplies the stored electrical power to the electromechanical actuator in the event of the failure.

대표청구항 ▼

1. An actuator controller to controllably supply DC power to a bi-directional electromechanical actuator, the controller comprising: a first circuit to receive power and direction command signals from a remote electronic control unit through a vehicle-based bus;control logic operative to determine a vehicle system failure and to generate a failsafe position command signal in the event of the failure;a failsafe power circuit to controllably store electrical power and supply the stored electrical power based on the failsafe position command signal; anda power switching and supply circuit to supply DC power of a desired polarity to the electromechanical actuator in response to the power and direction command signals in the absence of the failure and to supply the stored electrical power to the electromechanical actuator in the event of the failure. 2. The controller as claimed in claim 1, wherein the electronic control unit is a transmission electronic control unit. 3. The controller as claimed in claim 1, wherein the failure is unexpected loss of electrical power. 4. The controller as claimed in claim 1, wherein the failure is loss of communication with the remote electronic control unit. 5. The controller as claimed in claim 1, further comprising a second circuit to receive a position feedback signal, the power switching and supply circuit supplying DC power in response to the position feedback signal. 6. The controller as claimed in claim 1, wherein the failsafe power circuit includes a storage capacitor and a boost circuit to receive a battery voltage and to charge the storage capacitor from the battery voltage. 7. The controller as claimed in claim 6, wherein the failsafe power circuit includes an output capacitor and a buck circuit coupled to the storage capacitor to charge the output capacitor which supplies the stored electrical power. 8. An actuator controller to controllably supply DC power to a bi-directional electromechanical actuator, the controller comprising: a microcontroller including a first circuit to receive power and direction command signals from a remote electronic control unit through a vehicle-based bus and control logic operative to determine a vehicle system failure and to generate a failsafe position command signal in the event of the failure;a failsafe power circuit coupled to the microcontroller to controllably store electrical power and supply the stored electrical power based on the failsafe position command signal; anda power switching and supply circuit coupled to the microcontroller to supply DC power of a desired polarity to the electromechanical actuator in response to the power and direction command signals in the absence of the failure and to supply the stored electrical power to the electromechanical actuator in the event of the failure. 9. The controller as claimed in claim 8, wherein the electronic control unit is a transmission electronic control unit. 10. The controller as claimed in claim 8, wherein the failure is unexpected loss of electrical power. 11. The controller as claimed in claim 8, wherein the failure is loss of communication with the remote electronic control unit. 12. The controller as claimed in claim 8, wherein the microcontroller further includes a second circuit to receive a position feedback signal, the power switching and supply circuit supplying DC power in response to the position feedback signal. 13. The controller as claimed in claim 8, wherein the failsafe power circuit includes a storage capacitor and a boost circuit to receive a battery voltage and to charge the storage capacitor from the battery voltage. 14. The controller as claimed in claim 13, wherein the failsafe power circuit includes an output capacitor and a buck circuit coupled to the storage capacitor to charge the output capacitor which supplies the stored electrical power. 15. The controller as claimed in claim 8, further comprising a voltage regulator coupled to the failsafe power circuit to provide a regulated voltage to the microcontroller.

이 특허에 인용된 특허 (30) 인용/피인용 타임라인 분석

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A	생활필수품
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[미국특허] Actuator controller to controllably supply DC power to a bi-directional electromechanical actuator 원문보기