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Optimal control of traffic signals using quantum annealing

Published: 24 August 2020 Publication History

Abstract

Quadratic unconstrained binary optimization (QUBO) is the mathematical formalism for phrasing and solving a class of optimization problems that are combinatorial in nature. Due to their natural equivalence with the two-dimensional Ising model for ferromagnetism in statistical mechanics, problems from the QUBO class can be solved on quantum annealing hardware. In this paper, we report a QUBO formatting of the problem of optimal control of time-dependent traffic signals on an artificial grid-structured road network so as to ease the flow of traffic, and the use of D-Wave Systems’ quantum annealer to solve it. Since current-generation D-Wave annealers have a limited number of qubits and limited inter-qubit connectivity, we adopt a hybrid (classical/quantum) approach to this problem. As traffic flow is a continuous and evolving phenomenon, we address this time-dependent problem by adopting a workflow to generate and solve multiple problem instances periodically.

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Cited By

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  • (2024)A Systematic Mapping Study on Quantum and Quantum-inspired Algorithms in Operations ResearchACM Computing Surveys10.1145/370087457:3(1-35)Online publication date: 11-Nov-2024
  • (2024)Applying a Quantum Annealer to the Traffic Assignment ProblemProceedings of the Genetic and Evolutionary Computation Conference10.1145/3638529.3654131(814-822)Online publication date: 14-Jul-2024
  • (2023)Quantum Combinatorial Optimization in the NISQ Era: A Systematic Mapping StudyACM Computing Surveys10.1145/362066856:3(1-36)Online publication date: 5-Oct-2023
  • Show More Cited By

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Information & Contributors

Information

Published In

cover image Quantum Information Processing
Quantum Information Processing  Volume 19, Issue 9
Sep 2020
1112 pages

Publisher

Kluwer Academic Publishers

United States

Publication History

Published: 24 August 2020
Accepted: 12 August 2020
Received: 26 March 2020

Author Tags

  1. Quantum computation
  2. Adiabatic quantum computation
  3. Quantum annealing
  4. D-Wave
  5. Traffic optimization
  6. QUBO

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  • Research-article

Funding Sources

  • Major Innovation Fund, Government of Alberta, Canada

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Cited By

View all
  • (2024)A Systematic Mapping Study on Quantum and Quantum-inspired Algorithms in Operations ResearchACM Computing Surveys10.1145/370087457:3(1-35)Online publication date: 11-Nov-2024
  • (2024)Applying a Quantum Annealer to the Traffic Assignment ProblemProceedings of the Genetic and Evolutionary Computation Conference10.1145/3638529.3654131(814-822)Online publication date: 14-Jul-2024
  • (2023)Quantum Combinatorial Optimization in the NISQ Era: A Systematic Mapping StudyACM Computing Surveys10.1145/362066856:3(1-36)Online publication date: 5-Oct-2023
  • (2021)Focusing on the hybrid quantum computing - Tabu search algorithmProceedings of the Genetic and Evolutionary Computation Conference Companion10.1145/3449726.3463123(1476-1482)Online publication date: 7-Jul-2021
  • (2021)Mapping a logical representation of TSP to quantum annealingQuantum Information Processing10.1007/s11128-021-03321-820:12Online publication date: 1-Dec-2021

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