期刊
IEEE TRANSACTIONS ON INDUSTRIAL INFORMATICS
卷 14, 期 12, 页码 5447-5462出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TII.2018.2854762
关键词
Automotive cyber-physical systems (ACPS); energy aware; functional safety; response-time constraint; reliability enhancement
类别
资金
- National Key RAMP
- D Program of China [2017YFB0202901, 2017YFB0202905]
- National Natural Science Foundation of China [61702172, 61672217]
- Natural Science Foundation of Hunan Province [2018JJ3076]
- CCF-Venustech Open Research Fund [CCF-VenustechRP2017012]
- Open Research Project of the State Key Laboratory of Synthetical Automation for Process Industries (SAPI), Northeastern University, China [PAL-N201803]
- Open Research Project of the State Key Laboratory of Industrial Control Technology, Zhejiang University, China [ICT1800399]
- Fundamental Research Funds for the Central Universities
Automotive cyber-physical systems are energy-aware and safety-critical systems where energy consumption should be controlled from a perspective of design constraints and reliability should be enhanced toward functional safety goal assurance. In this paper, we solve the problem of reliability enhancement of an automotive function (i.e., functionality or application) under energy and response-time constraints based on the dynamic voltage and frequency scaling technique. The problem is solved by a two-stage solution, namely, response-time reduction under energy constraint and reliability enhancement under energy and response-time constraints. The first stage is solved by proposing average energy preallocation, and the second stage is solved by proposing a reliability-enhancement technique based on the first stage. Examples and experiments show that the proposed solution can not only assure energy and response time constraints, but also enhances reliability as much as 16.66% compared with its counterpart.
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