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System Engineering is a multidisciplinary engineering decision making process involved in designing and using systems and products throughout their life cycle.
A system consists of a set of Sub-systems and components (or elements) that work together to perform one or more functions .
The components of a system generally have the following properties:
Basic Characteristics of System Engineering approach are:
The objective of System engineering is to ensure that the Product is designed , built, and operated so that it accomplishes its purpose of satisfying customers in the most cost-effective way possible by considering performance, safety, costs, schedule, and risks.
System Engineering Implementation is an iterative process which involves simultaneous considerations of inputs and output from professionals from many disciplines.
Simultaneous (or concurrent) Engineering requires constant communication between team members from all the disciplines to ensure that requirements for all the Product Attributes and trade-offs between the attributes are considered.
As whole picture the Simultaneous Engineering Process encompass the iterative loop of input & output information exchange among:
The hierarchical Principles of system engineering are summarized with the so called “V” Model which generally define the hierarchical breakdown
which brings to transform Customer Requirements (must/wants) into Customer Experience & Feedbacks having as final goal the Customer Satisfaction
A System Engineering Development Process (or Product Development Process) is a high-Level Plan for managing the system engineering effort to produce a final operational Product (or System) from its initial requirements.
The System Engineering Development Process defines how the engineering portion of the program will be executed and controlled; it describes how the efforts of the system designers , test engineers and all other engineering and technical disciplines will be integrated , monitored and controlled during the complete life cycle of the products.
In summary the system engineering Development Process describes what each team (or department) needs to do and when to achieve the product program objectives; thus, it addresses the traceability of stakeholder requirements and provide a plan to ensure that the right product (or system) will be developed during the entire program.
System Engineering is the global technical approach that is the foundation for the development of new products
In general, the approach to system engineering must include the followings steps at least
Basic flows for system engineering are the followings:
Keys sub-processes of System Engineering are the followings :