Traditional Culture Encyclopedia - Traditional culture - What are the characteristics of the development and change of reliability discipline?

What are the characteristics of the development and change of reliability discipline?

Concept change: from attaching importance to the performance of weapons and equipment while ignoring reliability, to establishing the concept that reliability is as important as performance, cost and progress.

Changes in management system: from decentralized management and departmental responsibility to centralized and unified leadership.

The expansion of research content: from the reliability research of electronic equipment to the reliability research of non-electronic equipment such as mechanical equipment and photoelectric equipment; From hardware reliability research to software reliability research.

The change of calculation method: from macro-statistical estimation to micro-analytical calculation.

The change of calculation means: from manual qualitative calculation to computer-aided analysis.

Changes of reliability test: from statistical test to reliability engineering test.

The change of reliability index: from single index to multi-index; From intrinsic value to use value