: Reducing the frequency and impact of failures to improve efficiency.

Practical Reliability Engineering , primarily authored by Patrick D. T. O'Connor and Andre V. Kleyner , is a foundational text in the field of reliability science. It defines reliability as the that an item will perform its intended function without failure for a specified period under defined operating conditions. Core Principles and Goals

: Ensuring systems function as intended throughout their lifecycle.

: Balancing the costs of high reliability against the expenses of warranty repairs and failures. Key Methodologies Practical Reliability Engineering, 6th Edition - Wiley

: Identifying vulnerabilities early through tools like Failure Mode and Effects Analysis (FMEA).