Shewhart Control Chart Technique Taguchi Line Quality Control Applications, And Comprehensive

Firstly, the paper introduces the history of the quality management development, and dissertates the process method in quality management, then educes the process quality control and its two important kinds of statistical quality control methods, which are Shewhart's control charts and Taguchi's on-line quality control.Secondly, the paper recommends the basic principles, analysis methods and employ steps of Shewhart's control charts.Thirdly, the paper expatiates the basic ideology and analysis methods, and separately expounds the economic design methods and ideology of Taguchi's on-line control from the viewpoints of quatity characteristic feedback control, working procedure feedback control and working prodedure diagnosis and adjustment.And then on the basis of the above discussion, it parallelly analyses the two different methods detailedly, and exoatiates on their advantages and disadvantages from the aspects of their ideology, theory methods and application.Lastly, it initially discusses their comprehensive application, and by applying the quality ideology and the quality loss evaluating methods of Taguchi's on-line quality control to Shewhart's control charts, gets the conclusion of Taguchi's on-line quality control evaluating that better reflects the actual loss and better matches the quality definition of ISO9000 in its 2000 edition.