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Optimal task aborting policy and component activation delay in consecutive multi-attempt missions

Author

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  • Levitin, Gregory
  • Xing, Liudong
  • Dai, Yuanshun

Abstract

Recent reliability literature has extended the investigation of mission abort policies for single-attempt missions to multi-attempt missions, where the mission task may be attempted multiple times and each attempt may be performed by a single component or by multiple components simultaneously. To exploit the low operation cost achieved by the single component case and the high mission success probability (MSP) achieved by the multi-component case, this paper proposes a new model of multiple attempts performed consecutively with a prespecified activation delay by different components. Each attempt engages an operation phase and a return/rescue phase following the completion or abortion of the operation phase. During the two phases, components are exposed to random environments with different shock processes. A numerical algorithm is proposed to evaluate mission metrics including the MSP, expected number of lost components and expected mission losses (EML). An optimization problem is formulated and solved, which determines the activation delay as well as the attempt abort policy (composed of the number of shocks experienced and an operation time threshold triggering the abortion) to minimize the EML. The proposed model and influences of several model parameters are demonstrated by a case study of unmanned aerial vehicles performing a reconnaissance mission.

Suggested Citation

  • Levitin, Gregory & Xing, Liudong & Dai, Yuanshun, 2023. "Optimal task aborting policy and component activation delay in consecutive multi-attempt missions," Reliability Engineering and System Safety, Elsevier, vol. 238(C).
  • Handle: RePEc:eee:reensy:v:238:y:2023:i:c:s0951832023003964
    DOI: 10.1016/j.ress.2023.109482
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    Citations

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    Cited by:

    1. Meng, Sa & Xing, Liudong & Levitin, Gregory, 2024. "Activation delay and aborting policy minimizing expected losses in consecutive attempts having cumulative effect on mission success," Reliability Engineering and System Safety, Elsevier, vol. 247(C).
    2. Cheng, Guoqing & Shen, Jiayi & Wang, Fang & Li, Ling & Yang, Nan, 2024. "Optimal mission abort policy for a multi-component system with failure interaction," Reliability Engineering and System Safety, Elsevier, vol. 242(C).
    3. Levitin, Gregory & Xing, Liudong & Dai, Yuanshun, 2024. "Multi-attempt missions with multiple rescue options," Reliability Engineering and System Safety, Elsevier, vol. 248(C).
    4. Levitin, Gregory & Xing, Liudong & Dai, Yuanshun, 2024. "A new self-adaptive mission aborting policy for systems operating in uncertain random shock environment," Reliability Engineering and System Safety, Elsevier, vol. 248(C).
    5. Meng, Sa & Xing, Liudong & Levitin, Gregory, 2024. "Optimizing component activation and operation aborting in missions with consecutive attempts and common abort command," Reliability Engineering and System Safety, Elsevier, vol. 243(C).
    6. Levitin, Gregory & Xing, Liudong & Dai, Yuanshun, 2024. "Optimal task aborting and sequencing in time constrained multi-task multi-attempt missions," Reliability Engineering and System Safety, Elsevier, vol. 241(C).

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