2. Requirements Definition

TL;DR

Understanding the importance of requirements in engineering design and the challenges associated with their management and verification.

Transcript

The following content is provided under a Creative Commons license. Your support will help MIT OpenCourseWare continue to offer high quality educational resources for free. To make a donation or to view additional materials from hundreds of MIT courses, visit MIT OpenCourseWare at ocw.mit.edu. PROFESSOR: You have to make some design decisions. And ... Read More

Key Insights

• 🦮 Requirements guide the engineering design process and ensure that stakeholder expectations are met.
• 👋 Good requirements are clear, consistent, feasible, flexible, and verifiable.
• 🎨 Margins are incorporated into requirements to account for uncertainties and potential growth in design.
• ❓ Requirements should comply with relevant standards and regulations.
• 🎨 Verification and validation of requirements are critical to ensure that the design meets the intended purpose.

Questions & Answers

Q: What is the purpose of writing requirements in the engineering design process?

Requirements provide guidance, establish goals, and ensure compliance with stakeholder expectations in the design process.

Q: Why can't all the requirements be written upfront?

Lower-level requirements depend on design decisions, and those decisions are made as the design process progresses.

Q: How can feasibility be determined when writing requirements?

Feasibility is determined by assessing whether a requirement can be achieved within the limits of available technology, resources, and project constraints.

Q: Are there different types of requirements that should be considered in the engineering design process?

Yes, there are functional, performance, constraints, interface, environmental, and other requirements that should be addressed.

Q: How can the aesthetics of a design be defined in requirements?

Aesthetics can be a challenging aspect to define in requirements, but specific criteria, such as recognition or uniqueness, can be used to measure and evaluate aesthetics.

Summary & Key Takeaways

• Requirements are essential in the engineering design process as they provide direction, guide design decisions, and ensure compliance with stakeholder expectations.

• There are various types of requirements, including functional, performance, constraints, interface, environmental, and other requirements.

• Writing good requirements involves ensuring clarity, consistency, feasibility, flexibility, and verifiability.