A Study of Performance Measurements of TOC - TDD and IDD

• Main Authors: Tsung Wen Wang ( Grand Wang ), 王聰文
• Other Authors: R.K. Li
• Format: Others
• Language: zh-TW
• Published: 2003
• Online Access: http://ndltd.ncl.edu.tw/handle/41952382902686233026

碩士 === 國立交通大學 === 高階主管管理學程碩士班 === 91 === A study of performance measurements of TOC-TDD and IDD Student：Tsung Wen Wang Advisor：Dr. R. K. Li Master Program of Management for Executives National Chiao Tung University ABSTRACT The intention of this thesis is to discuss whether the existing varied performance measurements can lead all the members of company stride forward together to the objective of the company as a whole, or, on the contrary mislead the parts drop into the local optimum or even to proceed in the opposite direction？ The most important thing of the performance measurement is in order to induce the parts (subsystem) to do what is good for the system as a whole, therefore, measurements are not just numbers, and furthermore measurements are the vehicle to influence a behavior. For the sake of getting this purpose, Dr. Goldratt bring forward two breakthrough concepts in performance measurements- TDD(Throughput Dollar-Days) and IDD(Inventory Dollar-Days),by way of the mutual comparison as well as validation in-company major performance measurements of studied case with these two simple KPI, they root out that some golden rules which have been esteemed for a long time might result in local optimum even lead to damage the goal of whole company. Nevertheless, while they cut -in from the point of view of TDD and IDD, actually they can find that all kind of objectives will reach the same goal by different routes and hang together toward what is good for the company as a whole, it is really touch everybody with new and fresh field of vision. Through the comparison and validation of current performance measurements of studied case-factory with TDD&IDD, I found that these two KPI are not only capable of edge out their current performance measurements but also can lead the whole employee to do what is good for the company as a whole, I also try to cut-in from the other aspect of measurements to challenge the applicability of these two KPIs, but there is not any weak point can be attacked actually. Folksay that the more complicated the problem, the simpler the solution must be, these two KPI- TDD and IDD are look like very simple but they are approved not only capable of connecting varied performance measurements in harmony, moreover, they are in a position to induce the parts to do what is good for the system as a whole spontaneously, It is really impressed everyone! At the end of this research，it also bring forward how to extend the concepts of TDD and IDD to the application of other fields， as well as how to introduce TDD and IDD smoothly to subsystem.