A STUDY ABOUT THE KEY ELEMENTS OF TQS IN MANUFACTURED ITEMS.

Technical quality system TQS is a system takes arranged technical tasks as technical features in order to improve quality of manufactured items in their design and operating. It refers to an integrated technical features related to 4 key elements such as availability, maintainability, recognition, and reliability. These key elements contain 4 groups of technical features connected to each element. They are vital features because they can result vital issues of design of manufactured items and high quality operating. They can give higher control and more efficient level. There are 33 technical features and 11 engineering equations in order to achieve quality pacifications of manufactured items by firms; each element holds several technical features with 1 to 5 engineering equations that can measure the values of the key element and detailed technical features. As a new topic, the study of the key elements is regarded as a new approach for determining the values of mean time to repair or restoration, repair rate, recognition rate, and reliability value by related engineering equations. As a new tactic, the study procedures have come via studying 4 key elements, determining technical features and the calculation of engineering equations, and classifying technical features to each one of elements.