Implementation of lean manufacturing through learning curve modelling for labour forecast
- Authors: Gunawan, Indra
- Date: 2009
- Type: Text , Journal article
- Relation: International Journal of Mechanical & Mechatronics Engineering Vol. 9, no. 10 (2009), p. 46-52
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- Description: In this paper, an implementation of lean manufacturing through learning curve modelling for labour forecast is discussed. First, various learning curve models are presented. Then the models are analyzed in terms of their advantages and limitations. As a case study, the learning curve modelling is presented with the data derived from a production company. With the application of the learning curve, labour need can be more accurately predicted and scheduled on time.
Reliability analysis of gamma interconnection network systems
- Authors: Gunawan, Indra , Lee, Gan
- Date: 2009
- Type: Text , Journal article
- Relation: International Journal of Performability Engineering Vol. 5, no. 5 (2009), p. 485-492
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- Description: Gamma Interconnection Network (GIN) is a type of Multistage Interconnection Network (MIN) that consists of layers of switching elements connected together in a predefined topology providing the connectivity between the set of processors and the set of memory modules. GIN is constructed by 1×3, 3×3 and 3×1 switching elements. In this paper, network reliability of four other different types of Gamma hybrid networks namely Monogamma Interconnection Network (MGIN), Reliable Gamma Interconnection Network (REGIN), Cyclic Gamma Interconnection Network (CGIN) and E×tra Stage Gamma Network (ESGN) are analyzed. The results from the proposed simulation method show that the ESGN, COIN and REGIN e×hibit high network reliability performance. This is subsequently followed by the MGIN, with a marginal network reliability improvement compared to the GIN. It is also shown that the reliability model used for simulation closely appro×imates the e×act network reliability of MGIN, COIN, and REGIN
The Role of industrial engineering in supporting the growth of competitive ICT industry
- Authors: Gunawan, Indra
- Date: 2009
- Type: Text , Journal article
- Relation: Vol. , no. (2009), p.
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- Description: Expert Commentary
Application of design structure matrix in project management
- Authors: Gunawan, Indra , Singh, Darius
- Date: 2008
- Type: Text , Conference paper
- Relation: Proceedings of the 17th International Conference on Management of Technology
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Implementation of design structure matrix to reduce design iterations in engineering development projects
- Authors: Gunawan, Indra
- Date: 2008
- Type: Text , Conference proceedings
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Implementation of the design structure matrix method in engineering development projects
- Authors: Gunawan, Indra
- Date: 2008
- Type: Text , Journal article
- Relation: Journal of Management & Engineering Integration Vol. 1, no. 1 (2008), p. 39-47
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Multistage interconnection networks reliability evaluation based on stratified sampling Monte Carlo method
- Authors: Gunawan, Indra
- Date: 2008
- Type: Text , Journal article
- Relation: International Journal of Modelling and Simulation Vol. 28, no. 2 (2008), p. 209-214
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- Description: Multistage interconnection networks (MINs) have been widely adopted in communication networks especially in telecommunication and multiprocessor environments. This paper aims to evaluate the reliability performance of shuffle exchange network with an additional stage (SEN+), based on Monte Carlo method using computerized simulation. The evaluation is further improvised by deploying stratified sampling into the Monte Carlo method. SEN+ described in this paper is confined to multiprocessor environment based on identical switching elements used in interconnecting multiple processors. It is shown that Monte Carlo method is capable of providing reliability evaluation for SEN+ system.
Performance analysis of a multistage interconnection network system based on a minimum cut set method
- Authors: Gunawan, Indra
- Date: 2008
- Type: Text , Journal article
- Relation: International Journal of Performability Engineering Vol. 4, no. 2 (2008 2008), p. 111-120
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- Description: An interconnection network system consists of layers of switching elements connected together in a predefined topology providing the connectivity between the set of processors and the set of memory modules. Performance analysis of a network system is important as it determines the usability and the efficiency of the network to provide services. A shuffle-exchange network (SEN), a specific type of Multistage Interconnection Network (MIN) that consists of 2x2 switching elements, has been widely considered as a practical interconnection system. This paper presents a network reliability model based on a minimum cut set method for SEN systems. A general equation for large-scale network reliability is derived subsequently to reduce the complexity of the reliability analysis for the interconnection network system. Read more: http://www.ijpe-online.com/p2-performance-analysis-of-a-multistage-interconnection-network-system-based-on-a-minimum-cut-set-method.html#ixzz34m0gTAiy
Redundant paths and reliability bounds in gamma networks
- Authors: Gunawan, Indra
- Date: 2008
- Type: Text , Journal article
- Relation: Applied Mathematical modelling Vol. 32, no. (2008 2008), p. 588-594
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- Description: Multistage Interconnection Networks (MINs) are network systems providing fast and efficient communications at a reasonable cost. A gamma network is a specific class of MINs, which provides redundant paths in the system. In a gamma network, information from source nodes is transmitted through a specific set of routes to destination nodes. Reliability of an MIN is used as a measure of system’s ability to transform information from input to output devices. Due to the complexity of network configuration and availability of redundant paths, reliability bounds to estimate the exact reliability of a gamma network is proposed. A numerical example of an 8 × 8 gamma network is presented to demonstrate the accuracy of the reliability bounds. When the lower bound reliability provides sufficient assurance that the system will be operational at some specified time and closely approximates the exact reliability, then no further effort for obtaining the exact reliability expression is necessary.
ROI engine : return on investment model for the implementation of maintenance best practices
- Authors: Maffre, Julien , Probst, Rob , Gunawan, Indra , Neitzert, Thomas
- Date: 2008
- Type: Text , Conference paper
- Relation: Proceedings of the Society for Maintenance and Reliability Professionals (SMRP) Annual Conference
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