| 摘要 |
PROBLEM TO BE SOLVED: To provide a mechanical system capable of being easily manufactured and installed with a small number of components, and including state monitoring means of guaranteeing effective state monitoring.SOLUTION: A mechanical system includes at least one movable component 2, 3, 4 and lubricant 8. The mechanical system also includes a plurality of at least one kind of microcapsules 9 composed of an outer shell 91. The mechanical system can emit particles 92 with fluctuation of a characteristic physical parameter, and the distribution is specified by means outside the mechanical system 1. |
