INCORPORATING THE CONCEPTS OF QUALITY FUNCTION DEPLOYMENT FOR IDENTIFYING NEEDS OF POWERED PROSTHETIC KNEE
Keywords:
Quality function deployment, Customer needs, Engineering characteristics, Powered prosthetic kneeAbstract
This paper proposes a Quality Function Deployment (QFD) based framework to identify the needs of stakeholders and define the engineering characteristics of a powered prosthetic knee. QFD is extensively used as an effective design method for investigating customer needs and translating them into specific design characteristics to generate products/services to meet the needs. Results demonstrate that the proposed framework provides a better understanding of user needs and engineering characteristics in the House of Quality (HOQ), the primary tool of QFD. It is also found that QFD is a useful design tool for designing powered prosthetic knee because QFD can identify correlations between needs (performance, feature, and appearance) and engineering characteristics (Mechanics, Actuator, Sensors, Recognition, Control, Mass, Dimension, Operating Time, and Capability).
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