Theoretical and Empirical Investigation of Stochastic Degradation in Machinery Components: A Thermodynamic Approach

该项目有两个中心目标：(1)利用熵(热力学无序)作为退化的基本衡量标准，开发退化动力学的热力学特征，以及(2)开发在功能上与熵有关的状态变量的测量方法。研究任务包括：应用热力学原理来表征部件的退化和寿命，表征部件的初始寿命，建立研究随机降解动力学的数学框架，以及开发与熵相关的状态变量的测量方法。通过对机械部件退化的理论和实验研究，该项目希望促进对退化动力学的科学理解，从而改进工程维护实践。这项研究可以为维护科学奠定坚实的基础，这可能会对许多制造业产生潜在影响，例如半导体和航空航天行业。

This project has two central objectives: (1) Development of a thermodynamic characterization of degradation dynamics employing entropy (thermodynamic disorder) as the fundamental measure of degradation, and (2) Development of methods of measurement of state variables that are functionally related to entropy. The research tasks include: application of thermodynamic principles to characterize component degradation and lifetime, characterization of initial component lifetime, development of a mathematical framework for study of stochastic degradation dynamics, and development of methods for measurement of entropy related state variables. Through a theoretical and experimental investigation of degradation in machinery components, the project hopes to advance a scientific understanding of degradation dynamics, leading to improved engineering maintenance practice. This research could build a strong foundation for maintenance science that can potentially impact many manufacturing industries such as the semiconductor and aerospace industries.