Predicting End-of-Life Costs in Early Design Concepts Reduces Lifecycle Expenses

Why It Matters

Understanding and quantifying potential end-of-life (EOL) costs early in the design process enables informed decisions regarding material selection, component design, and end-of-life strategies like recycling, refurbishment, or remanufacturing. This proactive approach can lead to more economically viable and environmentally responsible product development.

Key Finding

By predicting end-of-life costs early in the design process, manufacturers can make better decisions about how to handle product disposal, potentially saving money and improving sustainability.

Key Findings

• A significant portion of product lifecycle costs can be attributed to end-of-life processes.
• A predictive model can effectively estimate EOL costs at the conceptual design stage.
• Early consideration of EOL costs facilitates design choices that favour recycling, refurbishment, or remanufacturing.

Research Evidence

Aim: How can end-of-life costs for defence electronic systems be predicted at the conceptual design stage to inform decisions about remanufacturing, refurbishment, or recycling?

Method: Case Study with Cost Modelling

Procedure: The research investigated end-of-life disposal costs incurred by Original Equipment Manufacturers (OEMs) in defence electronic systems. A novel predictive cost model was developed and proposed as a roadmap to estimate these costs during the conceptual design phase. A selected defence electronic system was used as a case study to validate the proposed method.

Context: Defence electronics manufacturing

Design Principle

Design for Disassembly and Recovery: Anticipate and account for the costs and processes associated with product end-of-life during the initial design concept.

How to Apply

When developing new products, create a preliminary cost estimate for potential recycling, refurbishment, or disposal based on anticipated materials and complexity, using this as a factor in design decisions.

Limitations

The proposed model was validated on a single defence electronic system, and its generalizability to other product types or industries may require further investigation.

Student Guide (IB Design Technology)

Simple Explanation: Think about how your product will be thrown away or reused *before* you even start designing it. This can save money and help the environment.

Why This Matters: Understanding end-of-life costs helps you design products that are not only functional and aesthetically pleasing but also economically and environmentally responsible throughout their entire lifespan.

Critical Thinking: To what extent can EOL cost prediction models be made universally applicable across diverse product categories and industries, given the variability in materials, manufacturing processes, and regional disposal regulations?

IA-Ready Paragraph: This research highlights the critical need to integrate end-of-life cost prediction into the early conceptual design phase. By proactively assessing potential disposal, recycling, or remanufacturing expenses, designers can make more informed decisions that lead to products with reduced lifecycle costs and improved sustainability, as demonstrated by the proposed roadmap for defence electronic systems.

Project Tips

• Consider the materials you are using and their ease of recycling or disposal.
• Research potential costs associated with dismantling and processing products at their end-of-life.

How to Use in IA

• Use this research to justify the importance of considering end-of-life costs in your design process and to inform your own cost analysis.

Examiner Tips

• Demonstrate an understanding of the full product lifecycle, including end-of-life considerations, in your design rationale.

Independent Variable: Design concept stage, inclusion of EOL cost prediction

Dependent Variable: End-of-life costs, design choices (recycling, refurbishment, remanufacture)

Controlled Variables: Product type (defence electronic systems), OEM perspective

Strengths

• Addresses a critical but often overlooked aspect of product lifecycle.
• Provides a practical roadmap for cost prediction.

Critical Questions

• How can the accuracy of EOL cost predictions be improved over time?
• What are the ethical considerations for OEMs when designing for EOL?

Extended Essay Application

• An Extended Essay could investigate the application of EOL cost prediction models to a specific consumer product, analyzing its lifecycle costs and proposing design modifications for improved sustainability and economic viability.

Source

Towards cleaner production: a roadmap for predicting product end-of-life costs at early design concept · Journal of Cleaner Production · 2014 · 10.1016/j.jclepro.2014.10.033