Service process design flexibility and customer waiting time

2003 ◽  
Vol 23 (8) ◽  
pp. 901-917 ◽  
Author(s):  
Chwen Sheu ◽  
Roger McHaney ◽  
Sunil Babbar
Author(s):  
Matthew D. Bauer ◽  
Zahed Siddique ◽  
David W. Rosen

Abstract Design for the life cycle practices enable the improvement of a product’s recycling, disassembly, and service characteristics, to name a few. In this paper, an approach to virtual prototyping is presented that supports product Design For Assembly, Disassembly, and Service (DFADS). The VP-DFADS system enables a designer to construct a product model, to interactively simulate an assembly, disassembly, or service process for that product, and to formulate and solve a simultaneous product/process design problem. Specific research objectives underlying this project include a reduction in VP model construction times, an improvement in information with which designers make DFADS decisions, and the development of a design synthesis method for DFADS. Although automated reasoning and synthesis technologies are outlined, the emphasis in this paper is on the integration of these technologies into the VP-DFADS system and on the usage of the system in supporting DFADS decisions. An application of the VP-DFADS system to automotive center console design illustrates the potential usefulness of the VP-DFADS approach.


Author(s):  
Steven W. Rayburn ◽  
Sidney T. Anderson ◽  
Kendra Fowler

1997 ◽  
Vol 34 (03) ◽  
pp. 795-799 ◽  
Author(s):  
Hiroshi Toyoizumi

This paper presents a new proof of Sengupta's invariant relationship between virtual waiting time and attained sojourn time and its application to estimating the virtual waiting time distribution by counting the number of arrivals and departures of a G/G/1 FIFO queue. Since this relationship does not require any parametric assumptions, our method is non-parametric. This method is expected to have applications, such as call processing in communication switching systems, particularly when the arrival or service process is unknown.


1997 ◽  
Vol 34 (3) ◽  
pp. 795-799 ◽  
Author(s):  
Hiroshi Toyoizumi

This paper presents a new proof of Sengupta's invariant relationship between virtual waiting time and attained sojourn time and its application to estimating the virtual waiting time distribution by counting the number of arrivals and departures of a G/G/1 FIFO queue. Since this relationship does not require any parametric assumptions, our method is non-parametric. This method is expected to have applications, such as call processing in communication switching systems, particularly when the arrival or service process is unknown.


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