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Quantitative Techniques
Published in Ron Basu, The Green Six Sigma Handbook, 2023
One specific approach of QFD, called the McCabe approach, proceeds by developing four related matrices in sequence: Product Planning MatrixProduct Design MatrixProcess Planning MatrixProduction Planning Matrix QFD is used to build in quality in the early stage of a new product development and helps to avoid downstream production and product delivery problems. A top-level view of QFD is shown in Figure 14.4.
Quality in the Design Process
Published in Keith L. Richards, The Engineering Design Primer, 2020
The purpose of QFD is not to replace an organisation's existing design process but rather to support and improve an organisation's design process. The QFD methodology is a systemic, proven means of embedding the voice of the customer into both the design and the production process. QFD is a method of ensuring that customer requirements are accurately translated into relevant technical specifications from product definition to product design, process development and implementation. The fact is that every business, organisation and industry has customers. Meeting the customer's needs is critical to success. Implementing the QFD methodology can enable you to drive the voice of your customers throughout your processes to increase your ability to satisfy or even excite your customers.
Overview
Published in Sherif D. El Wakil, Processes and Design for Manufacturing, 2019
In fact, all of the abovementioned activities fall under an important area of industrial engineering, entitled quality function deployment or QFD, which is beyond the scope of this book. That method was developed in the shipyards of Kyoto, Japan, by Yoji Akao to help transform the voice of the customer into engineering characteristics for a product. Yoji Akao described QFD as a “method to transform qualitative user demands into quantitative parameters, to deploy the functions forming quality, and to deploy methods for achieving the design quality into subsystems and component parts, and ultimately to specific elements of the manufacturing process.” The house of quality, a part of QFD, identifies customer desires, the importance of those desires, and engineering characteristics that may be relevant to those desires. It takes the form of a matrix with consumer desires on one dimension and correlated nonfunctional requirements on the other dimension, while the cells of that matrix are assigned to the weights of the stakeholders. Each column is summed at the bottom of the matrix, thus allowing the systems’ characteristics to be weighed according to the stakeholders’ desires. Again, such effort is going to be the responsibility of the product design team member specialized in industrial engineering.
Applying The DQI-based Kano model and QFD to develop design strategies for visitor centers in national parks
Published in Architectural Engineering and Design Management, 2023
QFD is defined as a method for developing a design aimed at satisfying the customer. It can be used throughout the production phase and is an efficient and structured strategy tool that can deal with customer requirements in a timely and systematic way to achieve design goals (Dikmen et al., 2005). It was first used by Mitsubishi Heavy Industries in 1971 at the suggestion of Yoji Akao (Pardee & Saxton, 1998). From 1975 to 1995, product developers used this tool in combination with other tools during their design work, which produced good results and brought many business opportunities for product designers (Terninko, 1997). This method has been widely used in product development and quality management and has achieved remarkable results (Chan & Wu, 2002). Detailed methods and procedures are described in the study of Eldin & Hikle (2003).
Developing a quality function deployment model for the Ethiopian leather industry: Requirements and solutions under linguistic variables
Published in Journal of Industrial and Production Engineering, 2023
Sisay Addis Filketu, Yeneneh Tamirat Negash
QFD is a problem-solving technique to identify requirements, prioritize solutions, and plan quality improvement efforts. Li et al. 9 pointed out that QFD refers to the process of determining what will satisfy customers and converting those wants into the desired design specifications. QFD assesses what would satisfy customers and where to focus quality efforts. The objective is to gain a thorough comprehension of customers’ desires and to identify alternative solutions. QFD enables businesses to boost consumer satisfaction and market share, reduce costs, and improve product and service quality during design and development. 11,highlighted that QFD is used to design and improve products and services and is an effective way to translate QIR into product planning. QFD systems provide a communication platform to gather opinions from decision makers and customers to transform intangible QIR into measurable QIS and accommodate the dependencies between them [7,22,26]. Prior studies have been carried out to identify QIR, ensuring their success as a way to develop a theory of quality management and satisfy rapidly changing customer needs [7,27]. However, it is challenging to understand what customers exactly want, and organizations face resource constraints to simultaneously address all aspects of QIR [17,25]. The capability and speed with which QIR are understood and high-quality products are developed dominate the competitiveness paradigm.
Improving patients’ satisfaction in a mobile hospital using Lean Six Sigma – a design-thinking intervention
Published in Production Planning & Control, 2020
Vijaya Sunder M, Sanjay Mahalingam, Sai Nikhil Krishna M
Due to the lack of a defined process, QFD was used to design the process. Quality function deployment is a streamlined approach to explore the customer ‘whats’ and to align the design specifications onto ‘how’ to meet the customers’ wants. It is a customer-driven approach that promotes customer centric designs in order to resolve organizational problems (Yang et al. 2018). Multiple brainstorming sessions were conducted with customers to identify the ‘whats’. These are the specific requirements that customers perceive to contribute to lower TATs. Furthermore, another series of brainstorming activity was performed with doctors and management of the hospital, to discover the ‘hows’ of the TAT problem. Quality function deployment helps to cross the customer ‘whats’ and system-specific ‘hows’ to create a house of quality matrix. The customers’ requirements (whats) and the technical requirements (hows) are crossed in the matrix with a specific weighted relationship score, which is determined by the customers’ brainstorming group. Furthermore, technical requirements are looked upon to identify correlations with a defined legend. Figure 4 shows the QFD output. The customers’ priority scores obtained through this activity were then ranked in descending order to identify the high scoring features that the design should incorporate. Among all the technical features, the high scoring features were ‘proper registration system’, ‘proper co-ordination system’ and ‘standardized process’.