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Requirements for the Elevator System

Explore the critical functional and operational requirements needed to design an elevator system. Understand how to specify system scope by identifying key features such as car states, floor controls, safety limits, and real-time indicators. This lesson prepares you to define clear, labeled requirements essential for a robust, user-friendly elevator design, forming a foundation for diagramming and coding solutions.

We'll cover the following...

In this lesson, we outline the functional and operational requirements for the elevator system. Identifying and understanding requirements is essential to defining the system’s scope and ensuring a robust, user-friendly design.

We’ll use the notational convention to identify each requirement with a unique label “Rn”, where “R” is short for requirement and “n” is a natural number.

Requirement collection

For the elevator design problem, the requirements are defined below:

  • R1: The elevator car system shall ...