1.3 SEB323 Systems Concepts #3 24-Jul-09

1.3 SEB323 Systems Concepts #3 24-Jul-09 - SEB323 SEB323:...

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SEB323 SEB323: Managing Industrial Organisations Systems Concepts: Lecture #3 Friday 24 July 2 nd Trimester 2009 Simon Cavenett School of Engineering Faculty of Science and Technology Deakin University Third and final lecture in the first topic. Don’t forget that Assignment 1 (on this topic) is due in just over 1 week’s time (online test).
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SEB323 The Systems Approach: Analysis and Synthesis Analysis > Break down the (complex) system into easier-to-analyse subsystems and their couplings > Perform analysis on the subsystems Synthesis > Integrate the knowledge of the subsystems and their interdependencies gained through analysis > Holistically determine the characteristics and behaviour of the system Summarizing how we commonly use the systems approach to understand complex systems. The first stage is to develop a model of the system so that we can analyze the component subsystems, their interactions with each other, and the interactions with the environment. The second stage is to synthesize an understanding and knowledge of the entire system by integrating the collective knowledge of the individual subsystems and their interactions with each other.
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SEB323 Sectoral Overview Diagrams > For easier analysis, we usually model a complex system as a collection of coupled subsystems > These subsystems are sometimes called sectors s Previously we have used the terms “areas”, “elements”, “parts” s All these terms mean the same thing which is subsystems > Most likely to encounter these in economic analysis work You are most likely to encounter sectoral overview diagrams in analysis and studies of economic issues. The key difference between a “standard” systems model and a sectoral overview diagram is that there is usually more information provided in a sectoral diagram about the interactions between subsystems (or sectors). Often the type of information and/or resources and direction of the flow is indicated between sectors on a sectoral overview diagram.
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SEB323 Sectoral Overview Diagrams > Sectoral Overview diagrams typically show sectors that are analysed as systems individually s i.e., to analyse each sector it must itself be decomposed into its own component subsystems In the diagram above, the emphasis is on the interactions between the sectors, in other words sectoral overview diagrams typically are used to show the interactions between a set of complex systems (the sectors).
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SEB323 Sectoral Overview Diagrams Example > This model shows the major interactions between socio-economic sectors that are relevant to sustainable development s http://www.landcareresearch.co.nz/research/research_details.asp?Research_Content_ID=140 This example indicates the principle better that the emphasis on these diagrams is typically on the interactions between the sectors. In this diagram the types of information and/or resources are identified and importantly the direction of flow as well.
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SEB323 Causal Loop Diagrams > Shows all the feedback loops within a system
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1.3 SEB323 Systems Concepts #3 24-Jul-09 - SEB323 SEB323:...

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