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Case studies in Advanced Planning Systems for Tactical Planning in Process Industries
Linköping University, Department of Management and Engineering, Production Economics . Linköping University, The Institute of Technology.
2010 (English)Licentiate thesis, comprehensive summary (Other academic)
Abstract [en]

This thesis focuses on the use of Advanced Planning System (APSs) in the tactical planning process. In addition, there is a special focus towards process industries. The overall aim is to find out if and how APSs can support the tactical planning processes and add value to the company. A discussion on APSs as such is also presented, as the general definition of APS is unclear.

The study is based on three case studies, first a longitudinal case study at a single company, second a in-depth case study at the same company and last a multiple case study at four Scandinavian companies. The case descriptions provide answers to the overall purpose of the thesis, but they also contribute to the general knowledge concerning APSs, as they describe industrial use of these systems.

The study reveals several improvements that companies have achieved by implementing APSs and it conclude that APSs can support the tactical planning process. The improvements are seen either as results of process changes needed to implement the APS or the APS itself. Among the improvements, centralizing, automatizing and streamlining of the tactical planning processes are three of the most prominent. But several other improvements are also found, for example improvements concerning the customer service level and inventory levels.

Although several successful implementations, it is not uncommon that implementations projects fail, which is why companies need to be careful when deciding to invest in an APS. Factors found to be linked to success concerning APS implementations are discussed, with the APS’s fit to the company’s processes and existing systems along with promotional activities, either by a project champion or the top management, are found to be important.

Place, publisher, year, edition, pages
Linköping: Linköping University Electronic Press , 2010. , 38 p.
Series
Linköping Studies in Science and Technology. Thesis, ISSN 0280-7971 ; 1460
Keyword [en]
APS
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-62822ISBN: 978-91-7393-259-2 (print)OAI: oai:DiVA.org:liu-62822DiVA: diva2:374695
Presentation
2010-12-22, ACAS, House A,, Campus Valla, Linköping University, Linköping, 12:52 (English)
Opponent
Supervisors
Projects
ISCAPSPIC-LI
Available from: 2010-12-14 Created: 2010-12-06 Last updated: 2010-12-14Bibliographically approved
List of papers
1. APS for Tactical Planning in a Steel Processing Company
Open this publication in new window or tab >>APS for Tactical Planning in a Steel Processing Company
2011 (English)In: Industrial management + data systems, ISSN 0263-5577, E-ISSN 1758-5783, Vol. 111, no 3-4, 608-628 p.Article in journal (Refereed) Published
Abstract [en]

Purpose: The main purpose is to describe and analyse the impact that  the implementation of an advanced planning system (APS) has on the tactical planning level at a steel processing company. This is done in terms of analysing changes in the tactical planning processes, effects on company performance, and how APS is used in a practical planning context.

Design/methodology/approach: This research is based on a longitudinal case study in the process industry. The case company, a highend steel producer, has been studied during several years using a combination of data sources: literature reviews, interviews, archival records, attending meetings, workshops and seminars, etc.

Findings: This case study points to the fact that implementing an APS and reorganizing the planning department and the planning processes are mutually dependent. The positive effects at the tactical planning level (in terms of service levels, fast and reliable order promises, more accurate forecasts) could not have been realized without the APS. On the other hand, APS could not have been effectively utilized without the organizational change.

Research limitations/implication: The results presented in this paper are based on a single-case study, but in the context of our literature review and other case studies the findings are still valid and an important step towards better understanding of the practical use of APS.

Practical implications: The process descriptions, lessons learnt and issues encountered in case studies like this should be helpful to practitioners on their way to implement APS, and companies seeking new ways to improve their planning can use this research to investigate the use of an advanced planning system.

Originality/value: Studies on the practical use of standard APS software are still scarce. As such this paper provides enhanced knowledge and understanding on the use of APS in an industry setting.

Place, publisher, year, edition, pages
Emerald Group Publishing Limited, 2011
Keyword
Planning Systems, Demand Planning, Demand Fulfilment, Master Planning, Implementation, Case study
National Category
Engineering and Technology
Identifiers
urn:nbn:se:liu:diva-63281 (URN)10.1108/02635571111133579 (DOI)000291136900015 ()
Available from: 2010-12-14 Created: 2010-12-14 Last updated: 2017-12-11Bibliographically approved
2. Capable-To-Promise for Segmented Customers in a CapacityConstrained Manufacturing Environment
Open this publication in new window or tab >>Capable-To-Promise for Segmented Customers in a CapacityConstrained Manufacturing Environment
(English)Manuscript (preprint) (Other academic)
Abstract [en]

Companies operating in environments where demand supersedes production capacity often use some kind of customer segmentation to choose between orders. This calls for the need of methods for creating the best possible allocation of the capacity to different segments or customers, in order to maximize the company´s profit. In their need to fulfil this request, several companies have chosen to utilise the decision support offered by several advanced planning systems vendors, which aims at creating a more profitable utilisation of the resources with regard to the customer segments. The purpose of this study is to analyse the capable-to-promise functionality in a demand fulfilment process concerning segmented customers. A literature study is conducted and a process industry company, with finish to order production, is described and analysed. The company has experienced good results from using an APS’s demand fulfilment functionality. The main findings are the verifications of some theoretically expected benefits, such as customer service level and product mix composition.

Keyword
Advanced planning systems, available to promise, demand fulfilment, customer segmentation, process industry, case study
National Category
Engineering and Technology
Identifiers
urn:nbn:se:liu:diva-63282 (URN)
Available from: 2010-12-14 Created: 2010-12-14 Last updated: 2010-12-14Bibliographically approved
3. Assessing factors affecting results of APS implementations
Open this publication in new window or tab >>Assessing factors affecting results of APS implementations
(English)Manuscript (preprint) (Other academic)
Abstract [en]

Purpose: The purpose of this paper is to study if ERP success factors are applicable in APS implementations.

Methodology: A multiple case study including four companies that have implemented an APS concerning their tactical planning process is conducted. Critical Success Factors derived from the ERP literature and described effects from APS implementations are studied at the companies. The cases are compared concerning their fulfilment of the critical success factors with respect to the effects they have experienced.

Findings: Findings show that several critical success factors concerning ERP most likely are applicable in APS implementations. Also, the findings verify some of the previous described effects from APS implementations.

Practical implications: The findings show some factors to pay attention to when going through APS implementation projects. They also show some of the effects that can be expected if succeeding with the APS implementation. Both these implications are of use to managers that consider implementing an APS.

Originality/value: Studies considering success factors in APS implementations are lacking in the published literature. Testing ERP success factors application on APS implementations has not been done before. The findings of this paper fill some of that gap.

Keyword
Advanced planning systems, critical success factors, multiple case study
National Category
Engineering and Technology
Identifiers
urn:nbn:se:liu:diva-63283 (URN)
Available from: 2010-12-14 Created: 2010-12-14 Last updated: 2010-12-14

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