Multiobjective Model for Emergency Resources Allocation.
Emergency resources allocation is essential to the emergency rescue effectiveness, and it has become a research focus for emergency rescue. This paper proposes a multiresource dynamic allocation model of emergency rescues and corresponding solving method. The object of the proposed model is to maximize the overall emergency rescue effectiveness of allocated resources and minimize the allocating costs of resources. The model considers the dynamic nature that the casualties of trapped victims change over time. At last, a numerical example is presented to test the model and its algorithm. [ABSTRACT FROM AUTHOR]/nCopyright of Mathematical Problems in Engineering is the property of Hindawi Limited and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
The proposed dynamic emergency rescues allocation model is a typical multi-objective programming model. Similar to above-mentioned optimization location model, the requirements of both objectives should be considered in an integrative way. The model is solved by the ideal point method (IPM) in order to achieve a non-inferior solution with the result of each sub-objective close to the optimum value. Please see the steps and the detailed formula in article.
Computer modelling
Variety, scale, cost (purchasing, inventory, and opportunity loss), importance of resources
Multiresource dynamic allocation model for emergency rescues is a multigoal optimization model with two goals, maximizing rescue effectiveness and minimizing allocating cost.Maximum of rescue effectiveness. The purpose of rescue resource allocation is to deal with emergencies, so the maximum of rescue effectiveness is the first goal and the maximum of the importance of all the resources could reflect this goal. On the other hand, according to the dynamic change of the threat of the disasters, the rescue period could be divided into several time intervals, and the model seeks the maximum of rescue resource effectiveness during the whole projection period. The so-called “maximum of rescue resource effectiveness” here concerns not only the effectiveness of the resource allocation, but also the maximum of the whole rescue project with the consideration of the whole rescue demands.
The multi-emergency rescue dynamic allocation model that is proposed herewith considers the dynamic nature that the casualties of trapped victims change over time. The model for the allocation of rescue resources maximizes the overall emergency rescue effectiveness of rescue proposal of the allocated and the unallocated resources at each stage during the planning period, and allows for the cost of allocation resources. Considering the purchasing cost, inventory cost, and opportunity loss cost during the cost objectives construction, the proposed method combines ideal point method and unit cost utility method to solve the allocation model by utilizing the LINGO software. Numerical examples to test the model and its algorithm are given in detail in the paper.
To formulate a multistage resources allocation optimization model that is more dynamic based on the temporal and spatial variation features of the emergency demand.Maximizing rescue effectiveness Minimizing allocating cost.
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