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Dec 14, 2021
Robustness Analysis of Budget-Constrained Route Flow Observability Problem
Authors: Jian Yuan [email protected], Lin Li [email protected], and Wanjing Ma [email protected]Author Affiliations
Publication: CICTP 2021
ABSTRACT
During the last few decades, substantial interests have been devoted to determining the optimal number and location of sensors for route flow observability. However, the robustness of the observability system has received minimal attention. This paper develops a technique for obtaining the lower bound of route flow observability under a specific sensor budget, i.e., the formulation of a budget-constrained minimum route observability problem. The proposed method is illustrated through the Nguyen-Dupuis network. Comparative analysis with the conventional optimal sensor location model is implemented. The results show that even when the sensor budget is the same, the observability level can fluctuate greatly. It implies that the route observation system is not robust if the flow pattern is changed. In the future, the factors that affect robustness can be further studied.
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Published online: Dec 14, 2021
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1Key Laboratory of Road and Traffic Engineering, Ministry of Education, Tongji Univ., Shanghai, P.R. China. Email: [email protected]
2Tsinghua Univ., Shanghai International Automobile City Group Co., Ltd. Email: [email protected]
3Key Laboratory of Road and Traffic Engineering, Ministry of Education, Tongji Univ., Shanghai, P.R. China. Email: [email protected]
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