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中文摘要：
将一种新的方法一投影寻踪方法引入火电机组状态评估，以规避目前对火电厂运行综合评估过程中凭借经验公式的操作复杂、客观性较差的缺点。在机组综合性能评价指标合理选取的基础上，提出以投影寻踪原理为基础的机组状态评估模型，通过投影寻踪主成分分析和投影寻踪聚类分析完成对评判对象的单一指标评估和综合性能评估。以600Mw机组为主要研究对象，以2008年全国火电大机组竞赛数据为基础，实例计算表明，该模型精确有效。评价结果对于进行机组状态对比和开展机组竞赛具有较好的指导意义。
英文摘要：
A new projection pursuit method was introduced to the comprehensive assessment of power plants, for the purpose of avoiding complex calculations and poor objectivity caused by empirical formula used now. A comprehensive assessment model, based on projection pursuit method and unit condition evaluating index extraction, was proposed. The single index assessment and the comprehensive assessment of different units were accomplished by projection pursuit principal components analysis and the projection pursuit cluster model. According to 600 MW units＇ competition competition data in 2008, it is shown by the instance that this method is effective and accurate. The result could be used to compare conditions and to carry out competitions among units.
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