Method and apparatus for controlling temperature variations in a computer system
원문보기
IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
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출원번호 |
US-0275861
(2008-11-21)
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등록번호 |
US-8190276
(2012-05-29)
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발명자
/ 주소 |
- Lewis, Andrew J.
- Gross, Kenny C.
- McElfresh, David K.
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출원인 / 주소 |
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대리인 / 주소 |
Park, Vaughan, Fleming & Dowler LLP
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인용정보 |
피인용 횟수 :
6 인용 특허 :
4 |
초록
▼
Some embodiments of the present invention provide a system that controls a temperature variation in a computer system. First, a performance parameter of the computer system is monitored. Next, a future temperature of the computer system is predicted based on the performance parameter. Then, a pitch
Some embodiments of the present invention provide a system that controls a temperature variation in a computer system. First, a performance parameter of the computer system is monitored. Next, a future temperature of the computer system is predicted based on the performance parameter. Then, a pitch of one or more blades in a cooling device in the computer system is adjusted based on the future temperature to control the temperature variation in the computer system.
대표청구항
▼
1. A method for controlling a temperature variation in a computer system, the method comprising: monitoring a performance parameter of the computer system;predicting a future temperature of the computer system based on the performance parameter; andadjusting a pitch of one or more blades in a coolin
1. A method for controlling a temperature variation in a computer system, the method comprising: monitoring a performance parameter of the computer system;predicting a future temperature of the computer system based on the performance parameter; andadjusting a pitch of one or more blades in a cooling device in the computer system based on the future temperature to control the temperature variation in the computer system, wherein adjusting the pitch comprises reversing a flow of air generated by the cooling device by reversing the pitch of the one or more blades. 2. The method of claim 1, wherein a speed of the cooling device is controlled to avoid a resonant frequency of the computer system. 3. The method of claim 2, wherein the speed is constant. 4. The method of claim 1, further including: determining a vibrational frequency response of the computer system. 5. The method of claim 4, wherein a speed of the cooling device is controlled to operate near a minimum in the vibrational frequency response of the computer system. 6. The method of claim 1, wherein monitoring the performance parameter includes systematically monitoring and recording a set of performance parameters of the computer system,wherein the recording process keeps track of the temporal relationships between events in different performance parameters. 7. The method of claim 1, wherein predicting the future temperature of the computer system includes using an autoregressive moving average to predict the future temperature of the computer system. 8. The method of claim 1, wherein predicting the future temperature of the computer system includes predicting the future temperature a predetermined amount of time in the future, wherein the predetermined amount of time is determined based on parameters including a thermal inertia of the computer system. 9. The method of claim 1, wherein the performance parameter includes at least one of: a temperature of the computer system;a current load of the computer system; anda moving history window of a load on the computer system. 10. The method of claim 1, wherein the cooling device includes at least one of: a cooling fan; anda liquid coolant pump. 11. The method of claim 1, wherein reversing the flow of air facilitates dislodging dust in the computer system. 12. A computer-readable storage medium storing instructions that when executed by a computer cause the computer to perform a method for controlling a temperature variation in a computer system, the method comprising: monitoring a performance parameter of the computer system;predicting a future temperature of the computer system based on the performance parameter; andadjusting a pitch of one or more blades in a cooling device in the computer system based on the future temperature to control the temperature variation in the computer system, wherein adjusting the pitch comprises reversing a flow of air generated by the cooling device by reversing the pitch of the one or more blades. 13. The computer-readable storage medium of claim 12, wherein a speed of the cooling device is controlled to avoid a resonant frequency of the computer system. 14. The computer-readable storage medium of claim 13, wherein the speed is constant. 15. The computer-readable storage medium of claim 12, further including: determining a vibrational frequency response of the computer system, wherein a speed of the cooling device is controlled to operate near a minimum in the vibrational frequency response of the computer system. 16. The computer-readable storage medium of claim 12, wherein monitoring the performance parameter includes systematically monitoring and recording a set of performance parameters of the computer system,wherein the recording process keeps track of the temporal relationships between events in different performance parameters. 17. The computer-readable storage medium of claim 12, wherein predicting the future temperature of the computer system includes using an autoregressive moving average to predict the future temperature of the computer system. 18. The computer-readable storage medium of claim 12, wherein predicting the future temperature of the computer system includes predicting the future temperature a predetermined amount of time in the future, wherein the predetermined amount of time is determined based on parameters including a thermal inertia of the computer system. 19. An apparatus that controls a temperature variation in a computer system, the apparatus comprising: a monitoring mechanism configured to monitor a performance parameter of the computer system, wherein monitoring the performance parameter includes systematically monitoring and recording a set of performance parameters of the computer system, and wherein the recording process keeps track of the temporal relationships between events in different performance parameters;a predicting mechanism configured to predict a future temperature of the computer system based on the performance parameter; andan adjusting mechanism configured to adjust a pitch of one or more blades in a cooling device in the computer system based on the future temperature to control the temperature variation in the computer system, wherein, while adjusting the pitch, the adjusting mechanism is configured to reverse a flow of air generated by the cooling device by reversing the pitch of the one or more blades.
이 특허에 인용된 특허 (4)
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Cahill, Frank E., Method and apparatus for adjusting the pitch of a fan blade.
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Law,Randall Allan; Bodell,Kent Graham; Londry,David Ray, Methods and apparatus for replacing cooling systems in operating computers.
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Tustaniwskyj Jerry Ihor ; Babcock James Wittman, Temperature control system for an electronic device in which device temperature is estimated from heater temperature and.
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Evoy David Ross, Thermal management device and method for a computer processor.
이 특허를 인용한 특허 (6)
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Zwinger, Steven F.; Vaidyanathan, Kalyanaraman; Gross, Kenny C., Controlling a cooling fan for a storage array.
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Dalal, Jinal, System and method for determining power consumption.
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Dalal, Jinal, System and method for determining power consumption.
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Dalal, Jinal, System and method for determining power consumption.
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Dalal, Jinal, System and method for determining power consumption.
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Alton, Ronald F.; Chidambaram, Praveen Kumar; Anderson, Jon J.; Medrano, Christopher Lee; Qi, Xin; Ng, David Cheuk Wai, System and method for thermal management in a multi-functional portable computing device.
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