Research On The Optimal Design Problem Of Equipment Support Network

The prominent importance of equipment support in the high-tech war puts forward the higher requirement for the response velocity and support capability of the support system. The equipment support network is the basis to provide support service. All kinds of resources are deployed on the facilities in the network such as military bases and warehouses to constitute a support system according to rules and requirements. The design of the support network is an important aspect to construct an enquipments support system, and the decision has direct and crucial effect on the service ability, the quality of support, and the cost of the support system.Taking account of the particularity of equipment support problem, this thesis researches the optimal design problem of equipment support network based on the investigation results of supply chain and logistics, decision science and mathematics programming. It aims to find some methods to optimal design the support network in consideration of different decision opportunities, decision objects and different support operation types. The following are the major contributions of this dissertation:Firstly, the multi-attribute integrated support network design method is proposed, which considers the multi-stockholders characteristic of the problem. According to the method, the equipment support departments extract some attributes such as safety conditions, traffic conditions, deployment conditions, energy-obtaining ability, climate and geologic conditions to construct the indices. And the practicable sites can be found from the candidates by a multicriteria decision progress with the indices. Then the network optimal design mathematical programming models would be presented to locate the facilities, establish the service relationships and allocate resources. In the models the requirements for the support services of different supported units and the support ability of the support department are considered. This method takes the advantages of the multi-attribute decision method and of the planning method to reinforce each other.Secondly, the multi-quality-of-coverage facility location model for the strategic support facilities is presented, and its solution approach is provided. The multi sources and multi time limits characteristics of strategic support are analyzed according to the strategic support facilities'function and construction opportunity. Then the definition of'covering'is extended based on the maximal covering location problem, and a multiple quantity-of-coverage facility location model is proposed to maximize the support effect of limited number of strategic support facilities to the potential conflict areas. In the model the multiple sources need of a demand point and the different time requirements to the sources when the services are from many facilities are typically considered. A heuristic based on Estimation of Distribution Algorithms is developed to solve the problem. Moreover, an illustrative example is given to explicate on the model, and the influences of the parameters to the algorithm's quality and efficiency are given based on experiments.Thirdly, the combat logistics network optimal design model and its solution framework are investigated. The characteristics of the depots'location problem are analyzed with the background of ammunition supply problem in a compaign with the given mission and the combat project. A multi-commodity two-stage capacitated facility location-transportation model is proposed to maximize the support of the resources arrived timely to the combat. In the model the capacity limitation of the facilities, the transportation capability at the facilities, the support time requirements for different resources at different need points, and the multi-modal network flows have been taken into account. Then a solution approach based on Tabu Search algorithm is given, and the results demonstrate the validity of the model.Fourthly, the optimal design problem of cavalryman armaments repair network with 2-level repair facilities of repair depots and the repair base under the defence combat pattern is considered. The characteristics of the problem are discussed. According to whether the servers are limited or not, whether the server distribution plan could be adjusted or not, and whether the service relationships between combat units and repair facilities have been assigned in advance or not, it's devided into 6 sub-problems. Then the integrated optimization models are proposed to find locations for the repair depots, to find the best service relationships between combat units and the depots, and to decide the number of servers and base stock levels which should be allocated at the repair facilities for different decision conditions, so that the total expected cost to construct and operate the support system is minimized and the probabilities that damaged armaments could be repaired by the facilities without waiting are above some specified levels. At the same time the heuristics for the models are proposed. The experimental results verify the models and algorithms.Finally, remarks are made for all researches and some plans for future work are presented.