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Analysis and Optimi...
Analysis and Optimization of Worst-Case Time Disparity in Cause-Effect Chains
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- Jiang, Xu (författare)
- Northeastern Univ, Shenyang, Peoples R China.
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- Luo, Xiantong (författare)
- Northeastern Univ, Shenyang, Peoples R China.
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- Guan, Nan (författare)
- City Univ Hong Kong, Hong Kong, Peoples R China.
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- Dong, Zheng (författare)
- Wayne State Univ, Detroit, MI USA.
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- Liu, Shaoshan (författare)
- PerceptIn, Santa Clara, CA USA.
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- Wang, Yi (författare)
- Uppsala universitet,Datorteknik,Northeastern Univ, Shenyang, Peoples R China.
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Northeastern Univ, Shenyang, Peoples R China City Univ Hong Kong, Hong Kong, Peoples R China. (creator_code:org_t)
- IEEE, 2023
- 2023
- Engelska.
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Ingår i: 2023 Design, Automation & Test in Europe Conference & Exhibition (DATE). - : IEEE. - 9798350396249 - 9783981926378 ; , s. 1-6
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.2...
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Abstract
Ämnesord
Stäng
- In automotive systems, an important timing requirement is that the time disparity (the maximum difference among the timestamps of all raw data produced by sensors that an output originates from) must be bounded in a certain range, so that information from different sensors can be correctly synchronized and fused. In this paper, we study the problem of analyzing the worst-case time disparity in cause-effect chains. In particular, we present two bounds, where the first one assumes all chains are independent from each other and the second one takes the fork-join structures into consideration to perform more precise analysis. Moreover, we propose a solution to cut down the worst-case time disparity for a task by designing buffers with proper sizes. Experiments are conducted to show the correctness and effectiveness of both our analysis and optimization methods.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Reglerteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Control Engineering (hsv//eng)
Nyckelord
- automotive systems
- cause-effect chain
- sensor
- timestamps
- disparity
Publikations- och innehållstyp
- ref (ämneskategori)
- kon (ämneskategori)
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