سابقه و هدف: امروزه با گسترش فعالیت واحدهای صنعتی، غلظت آلاینده­ ها در هوا افزایش یافته انسان­ از طریق تنفس، بلعیدن جذب پوستی معرض آن­ها قرار می­ گیرند. میان تمام آلاینده ­ها، فلزات سنگین به دلیل ماهیت سمی خود بسیار مورد توجه متخصصان زیست ­محیطی گرفته ­اند. بالای محیط ­زیست، می ­تواند خطر اثرات نامطلوب بر سلامتی انسان را دهد. شهرک صنعتی ناجی زنجان ریخته ­گری مس آلیاژهای آن، ­عنوان یکی منابع انت...

Quality function deployment (QFD) is a customer-driven quality management and product development system for achieving higher customer satisfaction. The QFD process involves various inputs in the form of linguistic data, e.g., human perception, judgment, and evaluation on importance or relationship strength. Such data are usually ambiguous and uncertain. An aim of this paper is to examine the i...

Quality function deployment (QFD) is a widely-used methodology for developing a design quality aimed at satisfying the customer and translating the customer’s demand into design targets. As QFD methodology is based on the voices of customers, it requires a group of individuals, or decision makers (DMs), to express their preferences. However, there can be a bottleneck since DMs may not have a pe...

An investigation is described into the application of quality function deployment (QFD) and case based reasoning (CBR) to software quality assessment. It is believed that the integration of CBR and QFD may be an effective means of supporting the development of quality software. The main aim in the research is to develop a CBR oriented software quality advisor to support the attainment of qualit...

In the rapid technological innovation and changes era, the key to the survival company is the continuous improvement of its process. In this paper, we introduce Software Process Improvement (SPI) and Quality Function Deployment (QFD); and for combining also the staged model and the continuous model in CMMI, the Software Process Improvement framework with CMMI has two parts: 1) Software Process ...

Six Sigma is a popular management strategy for the shop floor. Can it be applied to software? Software development is knowledge acquisition – it is different from industrial engineering. This paper explains the mathematical foundations for statistical thinking when lack of data samples prevents the use of proper statistics. The approach is based on Deming’s process chains and Akao’s Quality Fun...