NDLI: A methodology for improving on-time delivery and load leveling starts

Content Provider	IEEE Xplore Digital Library
Author	Liu, C. Thongmee, S. Hepburn, P.
Copyright Year	1995
Description	Author affiliation: TYECIN Syst. Inc., Los Altos, CA, USA (Liu, C.; Thongmee, S.; Hepburn, P.)
Abstract	We will describe the procedure and implementation of an iterative simulation-based production scheduling and planning system. Beginning with the total demand and initial work-in-process (WIP) status, the system can efficiently generate a capacity-feasible, load-leveled start schedule that results in high resource utilization, a minimum number of late orders and reduced labor variability. There are two phases in the system. In phase one, the system utilizes a demand pre-processor to aggregate backlog, safety stock and forecasted demands by priority and by period. These demands, including those that are defined against product families and groups, are then exploded down to the part number level. Utilizing heuristic algorithms, the system next determines start dates relative to capacity constraints, order due dates and order priorities. In phase two, the system again adjusts the start time of each lot so that resources are exploited at higher utilization and the production load is leveled regardless of variability in the demands. We will present simulation-based algorithms specifically designed for each phase of the system. The algorithm for phase one is executed to achieve the best on-time delivery performance by using the estimated cycle times from the previous iteration sequences. We also discuss an alternative for terminating the successive iterations based on the rate of improvement in overall lateness. Phase two takes the lot start times from the first phase and adjusts them in order to compensate for capacity constraints as demand for future periods is added.
Starting Page	95
Ending Page	100
File Size	723409
Page Count	6
File Format	PDF
ISBN	0780327136
ISSN	10788743
DOI	10.1109/ASMC.1995.484348
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1995-11-13
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Production planning Job shop scheduling Marketing management Marketing and sales Production systems Resource management Demand forecasting Research and development management Electronics industry Senior members
Content Type	Text
Resource Type	Article
Subject	Industrial and Manufacturing Engineering Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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