Short answer
Design teams should adopt a framework that explicitly models the translation from functional requirements to design parameters, ensuring that tolerance decisions are transparent, traceable, and justifiable.
- Field
- Modelling
- Source
- Procedia CIRP (2016)
- Method
- Framework development and validation
- Evidence
- Moderate effect
A structured framework for translating functional requirements into design parameters with clear tolerance justifications improves decision-making and reduces ambiguity in complex product development. This modelling research insight is drawn from a 2016 study published in Procedia CIRP. Using Framework development and validation, researchers explored how this design variable affects real-world outcomes. The key design takeaway: Design teams should adopt a framework that explicitly models the translation from functional requirements to design parameters, ensuring that tolerance decisions are transparent, traceable, and justifiable.
Functional Requirement Translation Framework Enhances Tolerance Transparency
A structured framework for translating functional requirements into design parameters with clear tolerance justifications improves decision-making and reduces ambiguity in complex product development.
Procedia CIRP · 2016
Key Findings
- 01The justification for design parameter tolerances is often not transparent, especially in complex products.
- 02A framework analyzing the translation between design parameters and functions can increase clarity, transparency, and traceability of tolerances.
- 03Non-optimal tolerances can lead to missed opportunities for cost improvement and reduced functional performance consistency.
Application
Design takeaway
Design teams should adopt a framework that explicitly models the translation from functional requirements to design parameters, ensuring that tolerance decisions are transparent, traceable, and justifiable.
How to apply
When defining tolerances for critical design parameters, create a model that maps the functional requirement to the parameter and quantifies the impact of parameter variation on the function's performance. Document this relationship clearly.
Project actions
- 01When defining tolerances for your design, clearly explain why you chose that specific tolerance based on how it affects the product's function.
- 02Use diagrams or models to show the relationship between your design choices and the required performance.
Method & Evidence
Variables
Strengths & Limitations
Strengths
- +Addresses a common problem in complex product development.
- +Proposes a structured approach to tolerance justification.
Limitations
The complexity of modelling the translation between functions and parameters can be challenging for simpler design projects. The framework's application might require specialized software or advanced analytical skills.
Reliability & validity
The reliability and validity would depend on the rigor of the modelling and the empirical testing of the framework's impact on decision-making transparency and tolerance accuracy in real-world design projects.
Think critically
How might the 'translation' between functional requirements and design parameters differ for aesthetic versus purely functional components of a product?
Design Principles
"Tolerance justification must be explicitly linked to functional performance and design parameter sensitivity."
In multi-disciplinary design projects, the rationale behind design parameter tolerances can become opaque, hindering objective trade-off analysis and efficient computer-aided tolerancing. This framework provides a transparent and traceable method for establishing tolerances, leading to potential cost savings and improved product performance consistency.
What This Means for Your Design
This research suggests a way to make sure that the 'acceptable wiggle room' (tolerances) for different parts of a design are clearly understood and justified, especially when many people are working on a complex product. It helps avoid confusion and leads to better, more consistent products.
How to use in your project
- 1.Reference this research when discussing the justification of your chosen design parameter tolerances and how you ensured functional robustness.
Add to My Project
Quick Cite
Paragraph starter
The selection of design parameter tolerances is critical for ensuring functional performance and manufacturing efficiency. This research highlights the importance of a transparent and traceable framework for justifying these tolerances, particularly in complex design scenarios. By explicitly modelling the translation between functional requirements and design parameters, designers can gain a clearer understanding of performance sensitivities, leading to more informed decision-making and potentially reducing costs associated with non-optimal tolerances.
Source
Procedia CIRP
The Translation between Functional Requirements and Design Parameters for Robust Design
journal · 2016
View sourceQuestions About This Research
- What does the research say about functional requirement translation framework enhances tolerance transparency?
- Design teams should adopt a framework that explicitly models the translation from functional requirements to design parameters, ensuring that tolerance decisions are transparent, traceable, and justifiable. Evidence: Procedia CIRP (2016).
- Why does "Functional Requirement Translation Framework Enhances Tolerance Transparency" matter for design?
- In multi-disciplinary design projects, the rationale behind design parameter tolerances can become opaque, hindering objective trade-off analysis and efficient computer-aided tolerancing. This framework provides a transparent and traceable method for establishing tolerances, leading to potential cost savings and improved product performance consistency.
- How can designers apply this research?
- Design teams should adopt a framework that explicitly models the translation from functional requirements to design parameters, ensuring that tolerance decisions are transparent, traceable, and justifiable.
- What were the main findings?
- The justification for design parameter tolerances is often not transparent, especially in complex products.. A framework analyzing the translation between design parameters and functions can increase clarity, transparency, and traceability of tolerances.. Non-optimal tolerances can lead to missed opportunities for cost improvement and reduced functional performance consistency.
- What research method was used?
- Framework development and validation.
- How strong is the evidence?
- Evidence strength is rated Moderate effect, based on a 2016 journal from Procedia CIRP.
- What should I do differently in my next project?
- When defining tolerances for critical design parameters, create a model that maps the functional requirement to the parameter and quantifies the impact of parameter variation on the function's performance. Document this relationship clearly.
- What are the limitations?
- The effectiveness of the framework may depend on the complexity of the product and the specific modelling tools used. The study does not detail the computational aspects of the framework.