As for the internal combustion engine state evaluation characteristic index system without a relative objectivity criterion, this paper uses the data mining technique to solve the problem.

• 摘要针对内燃机用于状态评估的特征参数指标体系缺乏相对客观的标准，研究以数据挖掘技术为基础的内燃机状态评估指标体系构建。