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Solution: Envision Requirements

Requirements engineering insure that product design meet users expectation and product's specification along the product's cycle life, with no ambiguity, while tracking the necessary evolutions

Requirements management with E.U. norms NF X50-150-151

Management of requirements and their evolutions during a product, system or service life cycle, makes it possible to deliver solutions in conformity with the user expectations, within the time limits and removes many problems: Fuzzy or ambiguous requirements, not exploitable schedule of conditions, lake of visibility, uncontrolled changes, unknown project status and impact analysis impossible to carry out. Requirements analysis and management strongly contribute to increase product quality.

Various ways of using requirements management within Envision

  • Autonomous with Envision Requirements: for stand alone requirements management
     
  • With Envision Systems Engineering Integrated in the system engineering process (includes Envision Analyst)
     
  • With Envision Analyst Integrated in a general functional analysis tool
     
  • With Envision UML Integrated with an object oriented UML design tool (CASE)
     
  • With Envision SART-SD Integrated with an analysis and design tool for real time applications (CASE)

Requirements engineering process

Envision Requirements TM will enable you to create your own requirements management process, tailored to your needs.

You graphically build your requirements management process starting from the meta model. It can includes: Phases - Stakes - Folders -  Requirements status and documents expertise status. Of course you can add your own.!

  • Record and track the evolutions of each requirement

  • Check the impact of the modifications on the derived and linked requirements

  • Automatically inform by e-mail all personnel concerned by the changes

Envision ensures traceability with all the elements contained in the repository.

see requirements details

See also a complementary solution Envision SADT-Idef0

Information and prices

Consulting and services

  • Functional analysis sessions management (on site)
  • Specification document design and production
  • Technology transfer
  • Integration of existing data

Solution key points

  • Visual requirements management and follow-up offer a great facility for use and re-use - Training is 1/2 day

  • Flexible and fully customizable, it takes into count company history and trades, which facilitates its deployment in an environment of practices and of existing tools

  • The  centralized data base guaranteed an available, reliable and up-to-date project's information

  • Historic of changes and versioning manage the necessary evolutionarily of projects

  • Traceability helps to understand changes impact and reduces risks and conflicts

  • Powerful, it manages thousands of linked requirements with ergonomic facilities, fast navigation, versatile analysis and search tools

  • Work group sharing information in real time (Work group) improves team communication and help integration of the newcomers

  • The automatic generation of reports to the company formats brings dramatic time saving and increases users added value

  • The re-use of information develops and capitalizes the analysis effort.

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Structure of a requirement

The implemented "meta model" technology  makes it possible to create your own requirement template in order to fit a specific need. All informative, functional and visual attributes are customizable.

A requirement is defined by (E.U. standard AF X50-150-151):

  • User's defined data entry fields (N° - Label - Formulation - Status…)
  • One or more criteria, each one defined by a performance
  • Each performance is evaluated by one or more awaited levels
  • Each awaited level contains a definition and a flexibility, e.g.: F0 - Mandatory, F1 - Negotiable…

Requirement characterization
Genesis

Edit or simply import your requirements coming from various sources:  functional analysis document - manual - Word - Excel…

Characterization

The characterization consists in defining the performance of one or more criteria and for each one of them, to specify one or more awaited levels. A flexibility is associated to each awaited level: F0 - mandatory, F1 - negotiable etc. E.U. standard NF X50-150

Deriving requirement

Naturally derive the design requirements starting from the functional analysis document. Envision requirements automatically maintains the original links

Dependency link

Specify the dependency links between requirements (dependent requirements) in order to later trace the impact of a modification on the fulfillment of other related requirements.

Open issues follow-up

You create “open issues” at the time of difficulties, in the definition or in the implementation of a requirement.

An open issue is characterized with the following basic attributes:
  • Author
  • Followed by
  • Dates: opening - target - closing
  • Tasks

  • Status of the open issue:

    • Abandoned
    • On the way to be solved
    • Not solved
    • Solved

Experience feedbacks management

Management of project's experience feedbacks means capitalization and valorization of the critical information in your engineering process. It is the history of the company's knowledge  and is an essential element for the search for quality improvement.

Envision Requirements allows the recording and the research of experience feedbacks comment in the project's data base for requirements, criteria and levels, with the following domain fields:

  • Technical
  • Specification
  • Project
  • Others...

A specific inter projects feedbacks data base allows consolidation of all experience feedbacks through all projects. Research is done by key words and filters and the results are displayed in tables “à la Excel”.

CASE France copyright - 05/01/2016