Random emergency material shortage propagation and transverse multistage resupply system design method
A random emergency and supply system technology, applied in design optimization/simulation, resources, calculation, etc., can solve the problems of lack, coordination and guarantee disorder, unspecific and practical material requirements, etc., to achieve the effect of improving timeliness
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Embodiment 1
[0046] Embodiments of the present invention provide random emergency material shortage propagation and horizontal multi-stage re-supply system design methods, including the following specific steps:
[0047] S1. Introducing SIS model design, introducing a viral transmission mechanism for complex networks for analysis * # *, using material shortages to represent viruses, the node in the network will be in three states: First, easy to outstairs (s), There is no shortage of stock, but it is possible to be infected; the second is the shortage (i), has been out of stock, which has the ability to propagate the material shortage to the S node and make it out of stock; After a period of repair and supplement, the node returns to the network to the S node, and has the supplies, the node status conversion mechanism can be described in the formula (1): S (i), I ( j) The node i is in the S state and the node J, respectively;
[0048] S2. Building a shortage of material shortage Si-SIRS model,...
Embodiment 2
[0077] The present embodiment and the first embodiment are in that the system design is preparative before, it can be found in the domestic and foreign viral propagation proliferation law and control methods and emergency transverse supply research progress, combined with its use to solve the landscape of emergency materials. The theoretical and methods used, the content of the system design preparation, the system design can reference the complex network virus propagation mechanism, and the three models of Si, SiS, SIR in the results of the viral propagation model. Features, and derived it into a material shortage propagation Si-SIRS model, thereby analyzing the dissemination of material shortages in emergency logistics networks, establishing the contact between materials shortage network and emergency rescue network, system design, considering the random demand. Sexual, for maintenance spare parts to introduce lateral supply mechanisms, design emergency landscape supply models, ...
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