IIE Transactions
1573-9724
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Các bài báo tiêu biểu
Negotiating price/delivery date in a stochastic manufacturing environment
Tập 31 - Trang 255-270 - 1999
We study a make-to-order manufacturing system consisting of several processing
centers that are subject to failures and repairs. Our objective is to build a
model that can be used as a tool for negotiating the delivery date and the price
of a certain upcoming order. The model takes into account the congestion level
of the shop floor at the time the order is placed. Based on the workload of the
pro...
Optimal asymmetric tolerance design
Tập 32 - Trang 1127-1137 - 2000
An asymmetric tolerance design occurs when deviation (from the ideal target) of
a quality characteristic in one direction is more harmful than in the opposite
direction. Asymmetric tolerances are common in many manufacturing processes.
Traditionally, the designer of a manufactured component either would choose the
smaller tolerance as the tolerance for both sides of the ideal target, or would
set ...
A methodology for quantifying the effects of product development on cost and time
Tập 31 - Trang 365-378 - 1999
This paper demonstrates a methodology to quantify past product development
efforts in an attempt to better utilize past experiences. The methodology is
centered around conducting an observational study, using regression analysis, to
expose relationships between various aspects of past product development
efforts, including cost and time. The applicability of the methodology is
demonstrated by pres...
Scheduling one and two-processor tasks on two parallel processors
Tập 31 - Trang 445-455 - 1999
In this paper we study a two-processor scheduling problem where some tasks need
to be processed by one processor, while the others have to be processed by both
processors simultaneously. The objective is to minimize the total weighted
completion time. We first examine the complexity of the problem, showing that it
is NP-complete in the strong sense. We then derive optimality properties, and
presen...
On-line scheduling of multi-server batch operations
Tập 33 - Trang 569-586 - 2001
The batching of jobs in a manufacturing system is a very common policy in many
industries. The main reasons for batching are the avoidance of setups and/or
facilitation of material handling. Good examples of batch-wise production
systems are the ovens that are found in the aircraft industry and in the
manufacture of semiconductors. These systems often consist of multiple machines
of different type...
Assessing multivariate process/product yield via discrete point approximation
- 1998
The assessment of multivariate yield is central to the robust design of
products/processes. Currently, yield is evaluated via Monte Carlo simulation.
However, it requires thousands of replications per simulation to achieve an
acceptably precise estimate of yield, this is often tedious and time consuming,
thereby rendering it unattractive as an evaluation tool. We propose a discrete
point approxima...
Allocation of test times in multi-state systems for reliability growth testing
- 2002
This paper generalizes a reliability growth test allocation problem to
series–parallel multi-state systems. An algorithm, which determines the testing
time for each system element in order to maximize the entire system reliability
when total testing resources are limited, is suggested. The algorithm can handle
both repairable and non-repairable multi-state systems. The Crow/AMSAA
reliability growt...
Generalized preemption models for single-machine dynamic scheduling problems
Tập 29 - Trang 359-372 - 1997
In the extensive scheduling literature, job preemption, if allowed, implies that
the processing of a partly completed job is temporarily halted and later resumed
at the same point. However, little attention has been given to problems where
job preemption is allowed under the condition that either some startup time
delay must be incurred or some fraction of work must be repeated if preemption
occur...
The extended kanban control system for production coordination of assembly manufacturing systems
Tập 32 - Trang 999-1012 - 2000
In assembly manufacturing systems there are points in the production process
where several component parts are put together in areas called assembly cells so
as to form more complex parts called subassemblies. In this paper, we present
and compare two variants of the Extended Kanban Control System (EKCS) – a
recently developed pull production control mechanism that combines base stock
and kanban c...