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题名:
feedback thermal control for real-time systems
作者: Fu Yong ; Kottenstette Nicholas ; Chen Yingming ; Lu Chenyang ; Koutsoukos Xenofon D. ; Wang Hongan
会议文集: Real-Time Technology and Applications - Proceedings
会议名称: 16th IEEE Real-Time and Embedded Technology and Applications Symposium, RTAS 2010
会议日期: April 12,
出版日期: 2010
会议地点: Stockholm, Sweden
关键词: Algorithms ; Embedded systems ; Failure analysis ; Nanotechnology ; Structures (built objects) ; Temperature control
出版地: United States
收录类别: EI
ISSN: 10801812
ISBN: 9780770000000
部门归属: (1) Dept. of CSE, Washington University, St. Louis, MO, United States; (2) Dept. of EECS, Vanderbilt University, Nashville, TN, United States; (3) Institute of Software, Chinese Academy of Sciences, China
英文摘要: Thermal control is crucial to real-time systems as excessive processor temperature can cause system failure or unacceptable performance degradation due to hardware throttling. Real-time systems face significant challenges in thermal management as they must avoid processor overheating while still delivering desired real-time performance. Furthermore, many real-time systems must handle a broad range of uncertainties in system and environmental conditions. To address these challenges, this paper presents Thermal Control under Utilization Bound (TCUB), a novel thermal control algorithm specifically designed for real-time systems. TCUB employs a nested feedback loop that dynamically controls both processor temperature and CPU utilization through task rate adaptation. Rigorously modeled and designed based on control theory, TCUB can maintain both desired processor temperature and CPU utilization, thereby avoiding processor overheating and maintaining desired soft real-time performance. A salient feature of TCUB lies on its capability to handle a broad range of uncertainties in terms of processor power consumption, task execution times, ambient temperature, and unexpected thermal faults. The robustness of TCUB makes it particularly suitable for real-time embedded systems that must operate in highly unpredictable environments. The advantages of TCUB are demonstrated through extensive simulations under a broad range of system and environmental uncertainties. © 2010 IEEE.
内容类型: 会议论文
URI标识: http://ir.iscas.ac.cn/handle/311060/8764
Appears in Collections:人机交互技术与智能信息处理实验室_会议论文

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Recommended Citation:
Fu Yong,Kottenstette Nicholas,Chen Yingming,et al. feedback thermal control for real-time systems[C]. 见:16th IEEE Real-Time and Embedded Technology and Applications Symposium, RTAS 2010. Stockholm, Sweden. April 12,.
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