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| 題名: | Comparisons and sensitivity study for investigation of factors of work sampling models |
| 作者: | She, M. H.;Hsu, B. M.;Lou, Kuo-ren |
| 貢獻者: | 淡江大學經營決策學系 |
| 關鍵詞: | work sampling;alternating Poisson process;delayed randomization model;fixed-random mixture model;Erlang model |
| 日期: | 2004-06-21 |
| 上傳時間: | 2009-11-30 13:38:25 (UTC+8) |
| 出版者: | 臺北縣淡水鎮 : 淡江大學 |
| 摘要: | Work sampling utilizing the sampling techniques to understand the characteristics of
a process rather than the entire process has been widely used in the industrial settings to
set standards, in pharmacies to describe work patterns, and in the medical education to
describe house staff training. Three procedures for work sampling, the delayed
randomization, fixed-random mixture sampling, and the Erlang sampling models of an
alternating Poisson process, have been proposed for gaining some of the efficiency
advantage of fixed sampling while retaining some degree of randomization. These three
different procedures have different parameters that can be altered to reduce the variance,
improve information. In this paper, comparisons of three sampling methods are
discussed. Moreover, one never knows the nature of the process being sampled.
Sometimes, the processes are too complex to allow realistic models to be evaluated by
mathematical methods and these models must be studied by means of simulation. A
designed sensitivity study of the robustness of the Erlang sampling model is conducted by
simulation and the effects of process factors that cause the deviations from the
assumptions of the APP process are investigated. |
| 關聯: | 2004年兩岸管理科學暨經營決策學術研討會論文集, pp.53-67 |
| 顯示於類別: | [管理科學學系暨研究所] 會議論文
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