When a new system is developed, it is necessary to select the optimal scheme through system analysis, and how to evaluate the effectiveness of the system is a key link. In order to create conditions for the practical application of system effectiveness evaluation, the effectiveness evaluation method of support capability of a certain type of equipment is proposed. The theories of subjective and objective weighting method, entropy weight method and cloud model are used to comprehensively evaluate the support effectiveness of a certain type of equipment. The evaluation model of support effectiveness of a certain type of equipment is constructed, the basic steps of support effectiveness evaluation are discussed. The evaluation results subordinate cloud of equipment support effectiveness has been obtained. This method successfully evaluates the support effectiveness of a certain type of equipment, the evaluation result is intuitive, and solves the problem of inaccurate support effectiveness evaluation. The example results show that this method is objective, accurate and operable, which can serve the decision-making of equipment support and establish the foundation of improvement research of a certain type of equipment safeguard effectiveness.
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