Dynamic activation of pumps of a fluid power system
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B64C-013/42
B64C-013/40
B64C-013/48
B64C-025/22
B64C-025/26
B64C-025/28
F04B-023/04
F04B-049/06
F15B-018/00
F04B-049/20
출원번호
US-0626676
(2015-02-19)
등록번호
US-10040541
(2018-08-07)
발명자
/ 주소
Wilson, Thomas M.
Chin, Edmond C.
Lesyna, Mark W.
Hasenoehrl, Thomas R.
출원인 / 주소
THE BOEING COMPANY
대리인 / 주소
Toler Law Group, PC
인용정보
피인용 횟수 :
0인용 특허 :
1
초록▼
A method includes receiving pump cycle location data associated with a fluid power system. The fluid power system includes a plurality of pumps (including at least a first pump, a second pump, and a third pump). Based on the pump cycle location data having a first value, the method includes activati
A method includes receiving pump cycle location data associated with a fluid power system. The fluid power system includes a plurality of pumps (including at least a first pump, a second pump, and a third pump). Based on the pump cycle location data having a first value, the method includes activating the first pump as a primary pump. Based on the pump cycle having a second value, the method includes activating the second pump as the primary pump. The method also includes activating the third pump as a secondary pump when the fluid power system is in a multiple-pump operating mode.
대표청구항▼
1. A method comprising: receiving pump designation data associated with a fluid power system that includes a plurality of pumps, the plurality of pumps including at least a first pump, a second pump, and a third pump;based on the pump designation data having a first value, activating the first pump
1. A method comprising: receiving pump designation data associated with a fluid power system that includes a plurality of pumps, the plurality of pumps including at least a first pump, a second pump, and a third pump;based on the pump designation data having a first value, activating the first pump as a primary pump;based on the pump designation data having a second value, activating the second pump as the primary pump;activating the third pimp as a secondary pump for each value of the pump designation data, the secondary pump operational when the fluid power system is in a multiple-pump operating mode;receiving a failure indication, wherein the failure indication is associated with a particular pump being in an inoperative state, and wherein the particular pump is determined to be in the inoperative state based on one or more monitored parameters that are indicative of the particular pump being unable to operate when commanded, a failure of the particular pump to operate when commanded, or a combination thereof;when the failure indication is received from the first pump, activating the second pump as an alternate primary pump when the pump designation data has the first value;when the failure indication is received from the second pump, activating the first pump as the alternate primary pump when the pump designation data has the second value;when the failure indication is received from the third pump: activating the second pump as an alternate secondary pump when the pump designation data has the first value; andactivating the first pump as the alternate secondary pump when the pump designation data has the second value; andwhen the failure indication is received from more than one pump, communicating a fault message to indicate that inadequate fluid power is available. 2. The method of claim 1, further comprising: based on the pump designation data having the first value, designating the second pump as a tertiary pump; andbased on the pump designation data having the second value, designating the first pump as the tertiary pump. 3. The method of claim 2, wherein the tertiary pump remains inactive when the fluid power system is in the multiple-pump operating mode. 4. The method of claim 1, wherein the plurality of pumps includes a plurality of pneumatically-driven hydraulic pumps, wherein each pump of the plurality of pumps is configured to operate at a first speed responsive to a first control input associated with the first speed, and wherein each pump of the plurality of pumps is configured to operate at a second speed responsive to a second control input associated with the second speed. 5. The method of claim 1, wherein the first value corresponds to a first day and subsequent odd numbered days, and wherein the second value corresponds to a second day and subsequent even numbered days, the even numbered days immediately following the odd numbered days. 6. The method of claim 1, wherein the second pump is activated as the alternate primary pump when the fluid power system is in a single-pump operating mode. 7. The method of claim 1, wherein the second pump is activated as the alternate primary pump when the fluid power system is in the multiple-pump operating mode. 8. The method of claim 1, wherein the first pump is activated as the alternate primary pump when the fluid power system is in a single-pump operating mode. 9. The method of claim 1, wherein the first pump is activated as the alternate primary pump when the fluid power system is in the multiple-pump operating mode. 10. A vehicle comprising: a fluid power system comprising a plurality of pumps, wherein the plurality of pumps includes at least a first pump, a second pump, and a third pump;a control system communicatively coupled to the fluid power system, wherein the control system includes logic to: receive pump designation data associated with the fluid power system;based on the pump designation data having a first value, activate the first pump as a primary pump;based on the pump designation data having a second value, activate the second pump as the primary pump;activate the third pump as a secondary pump for each value of the pump designation data, the secondary pump operational when the fluid power system is in a multiple-pump operating mode;receive a failure indication, wherein the failure indication is associated with a particular pump being in an inoperative state, and wherein the particular pump is determined to be in the inoperative state based on one or more monitored parameters that are indicative of the particular pump being unable to operate when commanded, a failure of the particular pump to operate when commanded, or a combination thereof;when the failure indication is received from the first pump, activate the second pump as an alternate primary pump when the pump designation data has the first value;when the failure indication is received from the second pump, activate the first pump as the alternate primary pump when the pump designation data has the second value;when the failure indication is received from the third pump:activate the second pump as an alternate secondary pump when the pump designation data has the first value; andactivate the first pump as the alternate secondary pump when the pump designation data has the second value; andwhen the failure indication is received from more than one pump, communicate a fault message to indicate that inadequate fluid power is available. 11. The vehicle of claim 10, wherein the control system further includes logic to: designate the second pump as a tertiary pump when the pump designation data has the first value; anddesignate the first pump as the tertiary pump when the pump designation data has the second value,wherein the tertiary pump remains inactive when the fluid power system is in the multiple-pump operating mode. 12. The vehicle of claim 10, wherein the vehicle includes an aircraft, wherein the plurality of pumps includes a plurality of air-driven hydraulic pumps, wherein a first bleed air source of the aircraft provides air to a single pump of the plurality of air-driven hydraulic pumps when the fluid power system is in a single-pump operating mode, and wherein a second bleed air source of the aircraft provides air to multiple pumps of the plurality of air-driven hydraulic pumps when the fluid power system is in the multiple-pump operating mode. 13. The vehicle of claim 10, wherein the vehicle includes an aircraft, wherein the plurality of pumps are configured to provide hydraulic fluid to aircraft hydraulic systems. 14. The vehicle of claim 10, further comprising: a first sensor associated with the first pump, the first sensor configured to generate first sensor data, the first sensor data including first temperature data associated with the first pump, first pressure data associated with the first pump, or combination thereof;a second sensor associated with the second pump, the second sensor configured to generate second sensor data, the second sensor data including second temperature data associated with the second pump, second pressure data associated with the second pump, or combination thereof; anda third sensor associated with the third pump, the third sensor configured to generate third sensor data, the third sensor data including third temperature data associated with the third pump, third pressure data associated with the third pump, or combination thereof,wherein the control system further includes logic to receive: the first sensor data from the first sensor, the first sensor data includes a first temperature value associated with the first pump and a first pressure value associated with the first pump;the second sensor data from the second sensor, the second sensor data includes a second temperature value associated with the second pump and a second pressure value associated with the second pump; andthe third sensor data from the third sensor, the third sensor data includes a third temperature value associated with the third pump and a third pressure value associated with third pump. 15. A method comprising: receiving information associated with an aircraft at a control system, wherein the control system is communicatively coupled to a fluid power system of the aircraft, and wherein the fluid power system includes at least three pumps;determining, based on the information associated with the aircraft, pump designation data associated with the fluid power system;based on a first value of the pump designation data, designating a first pump of the at least three pumps as a primary pump during operation of the aircraft;based on a second value of the pump designation data, designating a second pump of the at least three pumps as the primary pump during operation of the aircraft;designating a third pump of the at least three pumps as a secondary pump during operation of the aircraft regardless of the pump designation data;receiving a failure indication, wherein the failure indication is associated with a particular pump being in an inoperative state, and wherein the particular pump is determined to be in the inoperative state based on one or more monitored parameters that are indicative of the particular pump being unable to operate when commanded, a failure of the particular pump to operate when commanded, or a combination thereof;when the failure indication is received from the first pump, activating the second pump as an alternate primary pump when the pump designation data has the first value;when the failure indication is received from the second pump, activating the first pump as the alternate primary pump when the pump designation data has the second value;when the failure indication is received from the third pump: activating the second pump as an alternate secondary pump when the pump designation data has the first value; andactivating the first pump as the alternate secondary pump when the pump designation data has the second value; andwhen the failure indication is received from more than one pump, communicating a fault message to indicate that inadequate fluid power is available. 16. The method of claim 15, further comprising: receiving a control input at the control system;when the fluid power system is in a single-pump operating mode, activating the primary pump without activating the secondary pump responsive to the control input; andwhen the fluid power system is in a multiple-pump operating mode, activating the primary pump and the secondary pump responsive to the control input. 17. The method of claim 16, wherein at least one of the at least three pumps is designated as a tertiary pump that remains inactive when the fluid power system is in the multiple-pump operating mode. 18. A control system for a fluid power system, the control system comprising: a first pump controller, a second pump controller, and a third pump controller associated with at least a first pump, a second pump, and a third pump, wherein each pump controller includes logic to: receive pump designation data associated with the fluid power system;based on the pump designation data having a first value, cause the first pump controller to activate the first pump as a primary pump;based on the pump designation data having a second value, cause the second pump controller to activate the second pump as the primary pump;cause the third pump controller to activate the third pump as a secondary pump for each value of the pump designation data, the secondary pump operational when the fluid power system is in a multiple-pump operating mode;receive a failure indication, wherein the failure indication is associated with a particular pump being in an inoperative state, and wherein the particular pump is determined to be in the inoperative state based on one or more monitored parameters that are indicative of the particular pump being unable to operate when commanded, a failure of the particular pump to operate when commanded, or a combination thereof;when the failure indication is received from the first pump, activate the second pump as an alternate primary pump when the pump designation data has the first value;when the failure indication is received from the second pump, activate the first pump as the alternate primary pump when the pump designation data has the second value;when the failure indication is received from the third pump: activate the second pump as an alternate secondary pump when the pump designation data has the first value; andactivate the first pump as the alternate secondary pump when the pump designation data has the second value; andwhen the failure indication is received from more than one pump, communicate a fault message to indicate that inadequate fluid power is available. 19. The control system of claim 18, wherein: the first pump controller is configured to:receive the failure indication associated with the secondary pump when the pump designation data has the second value; andresponsive to the failure indication, activate the first pump as the alternate secondary pump; andthe second pump controller is configured to:receive the failure indication associated with the secondary pump when the pump designation data has the first value; andresponsive to the failure indication, activate the second pump as the alternate secondary pump. 20. The control system of claim 18, further comprising: a first sensor associated with the first pump, the first sensor configured to generate first sensor data, the first sensor data including a first temperature value associated with the first pump;a second sensor associated with the second pump, the second sensor configured to generate second sensor data, the second sensor data including a second temperature value associated with the second pump; anda third sensor associated with the third pump, the third sensor configured to generate third sensor data, the third sensor data including a third temperature value associated with the third pump,wherein each pump controller further includes logic to generate the failure indication based on at least one of: a comparison of the first temperature value and a first temperature threshold, the first temperature value received from the first sensor and the first temperature threshold indicative a first pump failure;a comparison of the second temperature value and a second temperature threshold, the second temperature value received from the second sensor and the second temperature threshold indicative a second pump failure; ora comparison of the third temperature value and a third temperature threshold, the third temperature value received from the third sensor and the third temperature threshold indicative a third pump failure. 21. The control system of claim 18, further comprising: a first sensor associated with the first pump, the first sensor configured to generate first sensor data, the first sensor data including a first pressure value associated with the first pump;a second sensor associated with the second pump, the second sensor configured to generate second sensor data, the second sensor data including a second pressure value associated with the second pump; anda third sensor associated with the third pump, the third sensor configured to generate third sensor data, the third sensor data including a third pressure value associated with the third pump,wherein each pump controller further includes logic to generate the failure indication based on at least one of: a comparison of the first pressure value and a first pressure threshold, the first pressure value received from the first sensor and the first pressure threshold indicative a first pump failure;a comparison of the second pressure value and a second pressure threshold, the second pressure value received from the second sensor and the second pressure threshold indicative a second pump failure; ora comparison of the third pressure value and a third pressure threshold, the third pressure value received from the third sensor and the third pressure threshold indicative a third pump failure.
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이 특허에 인용된 특허 (1)
Archung Ralph (Issaquah WA), Hydraulic power supplies.
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