Assessment

Contents

Functional Analysis and Allocation 

Introduction 

Over View of Process: 

Purpose of FA&A 

Inputs of FA&A 

Outputs of FA&A 

Staging of FA&A 

Supporting Process of FA&A 

Approaches/methods for functional analysis 

The FAR Approach: 

Functional Break Down structure: 

Use case Model Survey: 

Functional architecture Description: 

Approaches/methods for functional allocation 

Conclusion 

Reference

Introduction 

The aim of the system engineering activity is the transformation of functional, performance and interface requirements which are identified in the requirement analysis phase into the description of system functions that are used to guide the design synthesis activities that helps the to understand what system exactly do, how well it must perform and what are the constraints which helps in limit the design flexibility.  The arrangement of functions in the logical sequence, decomposing higher level of functions into lower level and allocation of performance and resources from higher to lower. The functional analysis and allocation tool help in designing of functional flow blocks diagrams and the analysis of different time lines. It includes the functional architecture of the product in terms of functions and performance parameters. Functional Analysis and Allocation helps in the facilitation of traceability of different requirements into the solution format and the outcomes are design synthesis. Toa achieve the system objective; discrete actions are needed. The actions must be clearly stated and are extracted from the objectives and requirements.   These actions are ultimately performed with the combination of software or hardware equipment to accomplish the task.  Functional analysis and allocation is a process of translation top down process into the detailed functional and performance design criteria, the analysis helps in drawing the conclusion regarding the functional architecture with the allocated system requirements.

Over View of Process

The aim of the functional analysis is to divide the complex programs into the comparatively smaller parts, each small part is treated as a separate entity and designed individually. The task are divided on the basis of time lines, project is divided in to the smaller sequential parts which ultimately helpful in the completion of project. the ending of every smaller phase add new capabilities in the system. 

The change is viewed as the determined choices of thinking of the best definition of the technique to try to design something that will function admirably in the business that is confronting changes and hence those developing changes will in the end require a type of brilliant strategies. The change can happen anyplace inside the association or generally speaking in the business. Along these lines we realize that the change the board has the ability to have the option to legitimize the significance of the change that happens. By this it is realized that the change that is conveyed to the association can be of two sorts.

The first being the proactive change and the other one being the responsive change. The proactive change is the change that is brought by the administration in the association and it arranged the whole work to ensure that they can prepare their group all to address the future difficulties. Notwithstanding, responsive changes that happen are on the whole common difficulties that occur and are a result of the adjustment in the general market.

Change the executives is an organized way to deal with progressing people, groups and associations structure a present state to an ideal future state. The primary purpose for the change the board that must be incited and that must be managed in regards to the change that is occurring is guarantee that everybody who is a piece of the change supervisory group will in general profit by the change that has been executed inside the market. This will imply that the fundamental goal of the change the executives will be to ensure that the general change that has been accomplished on the whole by the group is boosting the advantages for all the group dependable to affect the progressions inside the association. Anyway this will then again decrease the odds of the disappointment of the association because of the powerlessness to meet the change that was required. 

The business is built on the blocks of stakeholders Suppliers and Customers. The business needs something from the stakeholder in the form of investment need for the growth of the business, the stake holders can be a Govt., can be a supplier, Employee or anyone who is performing any task for the growth of the business. To get the investment in the company, one should be accountable for their social responsibility towards the general public and ethics involved in the growth of the business. In the past few years there is a rapid change in the public prospective regarding the organization, they evaluate on the basis of social responsibilities as well, whatever the organization is working on it, whether it’s on large scale or comparatively smaller scale. Today stake holders are continuously putting pressure on organization in different ways, to enhance their business. There are both factors in any organization, risk and opportunity, the higher management of the organization address the issues of crucial components of the organization as well as address the needs of the stake holders which may be the cause in organization prosperity. Stakeholder present both risk and opportunity to the organization. How the management of the company respond to the stakeholder is crucial component. There are different organizations lies in the world, some organizations are less responsible towards their stake holders and narrow their scope as well as while on the other hand there are various stake holders that caters their need and take them as a serious entity towards their business prosperity. When the scope of the business is broad, the management is allowing more opportunities as well as more risk in the organization, the risk associated with the stake holders which are working in house can be come over via some salaries or dividends or bonus, but in this manner management has to give very keen attention towards their stakeholders, their activities and expose them as well towards the risk. The management in this manner will welcome the critics from in house stake holders and respect their opinions towards the business process efficiency, to make new strategies and revise the previous on the basis of it. There are different ways to address the stake holders, some organization appoint various managers on the stake holders and the hierarchy goes up till the directors, this way increase the efficiency and performance of the employees, companies and organization will overcome the risk and threat from this manner in an effective manner.

The technical projects are divided into the different phases of design, production, testing and delivery. The mile stone has been set for every phase of the project, before moving to the next phase, the last phase of the project has been evaluated. The task in the sequence has been identified by the function. Every phase has its own input and outputs, that helps them in connecting with the next sequential phase of the project. 

Purpose of FA&A:

The aim of the functional analysis and allocation is to cater the project, it helps to overcome the gap between the system requirements and constraints. It enables to fill the gap between the high level set of requirements and business process constraints. It is one of the most integral part for both the designers and requirement engineer to fill the business process gap and be on the same page for the requirements of the project. 

Inputs of FA&A:

The input are the parameters on which the sequence of actions has been started working, the inputs are the data entry, the output of any functions, which can be used as input in this function.

Outputs of FA&A:

The output is the result which is produced after some computation and working by the functions, it helps to evaluate whether the oriented results are up to mark or not. it helps in the identification of different loop holes in the project. 

Staging of FA&A:

Staging of FA&A is one of the most important task in the project, the staging will help to secure the connection and make sure that the project will be live, if in case of any issue the project has been reverted back to the back version, for example in case of website development, if there will be any issue, due to any new update, the project has been immediately reverted back to the previous version and staging will helps to save the work. Staging will usually be applied on the servers where the requirements are completed. Staging is based on different sequential steps. 

Supporting Process of FA&A:

The supporting process of FA&A helps in the allocation of different resources and analysis required for the completion of the project. the process varies from project to project, the input and output of the task helps in the identification of any further supporting process helpful in this regard. 

Approaches/methods for functional analysis 

There are different approaches which are helpful in the analysis of the FA&A process, some of them are as follows:

  • THE FAR APPROACH

  • Functional Break Down Structure

  • Use Case Model Survey 

  • Functional Architecture Description

The FAR Approach:

FAR model helps to produce the output of the use case model as a result of functional activity and allocation process. The use case models is on the base of different surveys for all defined use cases of the project. the detailed specification about the use case is discussed with the help of different actors and input, it takes system result as output. The FAR approach helps in the production of FBS process which is considered as important approach for the Functional Breakdown structure. 

Functional Break Down structure:

Functional Break down structure helps in the production of high level over view of the system functionalities, which was usually missed in the traditional use case designing. The FBS includes the all major functions and groups which system will provide. 

Use case Model Survey:

The purpose of the use case model survey is to provide the detailed description of all use cases, it enables the survey model of the sue case which helps the user in the identification what exactly the process will continue and what are the results. 

Functional architecture Description:

It is the collection of all steps and use cases which are helpful in the realization of different steps. The functional description will help the user to communicate the requirements in the formal language and the procedure will help in providing the understanding what actually is needed and how the process will continue. 

Approaches/methods for functional allocation 

The requirements of the top-level functions are allocated to all lower level functions, traceability is the on going process of recording the requirements which becomes the formulation of system elements and sub system elements. The requirements should be traced in the form of parent-child relation. It allows the system engineers to accomplish the different requirements related to any of the system level. It shoes the go/ no go criteria, and provides the sufficient details for the design of the system. It has the following steps:

1. Requirement Analysis 

2. System analysis and Control 

3. Functional Analysis Allocation 

4. Design Synthesis.

The major method in the Requirement allocation process (RAS) is known as two fold method. It is used to maintain the traceability in between the system requirements and use cases, it helps in allocating the system requirements, for the modeling of use case, usually it refers to the quality attribute and sub-systems. The traditional use cases are not enough to plot the non-functional requirements, so it is necessary for the non-functional requirements it should be plotted in the allocation process. 

In complex projects, the requirement analysis tool is one of the most important tool which helps in the gathering of the requirements.  Requirement allocation is not a one-time task, it is weighted at the early stages of the project. as the project progress, on the basis of feedback and adjustments to the assigned requirements. 

Conclusion 

Functional Analysis and Allocation is one of the important process which use to map the requirements of the project and provide the best solution among the available options. It helps to demonstrate the different activities which are related to functional requirement analysis and allocation, use case diagram and description plays an important role in the Functional analysis and Allocation, it provides the list of ways for the communication of data and resolve the project by the use of divide and conquer approach. 

References

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Blanchard, B. S. (n.d.). System Engineering and Analysis . PRENTICE HALL INTERNATIONAL SERIES IN INDUSTRIAL AND SYSTEM ENGINEERING.

Carte, T. A. (n.d.). Integrating ERD and UML Concepts When Teaching Data Modeling. Journal of Information Systems Education.

Eriksson1, M. (n.d.). Performing Functional Analysis/Allocation and Requirements Flowdown Using Use Case Realizations – An Empirical Evaluation . Proceedings of the 16th Intern. Symposium of the International Council on Systems Engineering (INCOSE'06), Orlando, FL, USA, Jul 2006.

Kalman, G. C. (n.d.). Application of functional analysis to models of efficient allocation of economic resources. Springer Link.

Martin Fowler, C. K. (n.d.). UML Distilled: A Brief Guide to the Standard Object Modeling Language. Amazon.

Wang, M. (n.d.). USING UML FOR OBJECT-RELATIONAL DATABASE SYSTEMS DEVELOPMENT: A FRAMEWORK . 

Winborn, D. M. (n.d.). RESPONSE EFFICIENCY DURING FUNCTIONAL COMMUNICATION TRAINING: EFFECTS OF EFFORT ON RESPONSE ALLOCATION. Wiley Online Library.

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