this paper presents a new approach which is based on quality control in order to optimize supplier selection. using inspections, removing the defected materials and considering penalties for low quality materials are the main factors which we have considered in modeling. in this model costs are divided to three parts: 1- costs of purchasing 2- costs of inspection policy 3- costs of quality and ...

The present paper proposes a concept of Reliability Based Optimization (RBO) for quality assurance. In general the RBO approach is viewed as a minimization of the expected total cost of the structure including initial costs and costs due to failure, weight minimization with respect to reliability constraints, etc. The aim of the reliability based optimization is to find the best compromise betw...

In this paper a new approach for quality measurement and improvement using map matching and map fusion is introduced. In the first part we describe a matching model based on “Buffer growing”. The matching, which is the basis for the quality inspection and the map fusion, is performed manually with a tool developed with VBA and ArcGIS. The quality inspection can be subdivided into a global and a...

Attribute sampling is a powerful quality inspection tool. The Lot Acceptance Sampling Plans (LASPs) for sampling by attributes represent a valuable method of quality inspection. Significant LASPs such as the c=0, Dodge-Romig, Philips as well as ANSI/ASQC Z1.4 which replaced MIL-STD 105E have comprehensive procedures and statistical base. A single LASP can be implemented efficiently if inspectio...

This paper evaluates the feasibility of outsourcing testing and inspection activities in construction work, based on a survey of interested parties and an evaluation using the Analytic Hierarchy Process (AHP) with experts on quality control. For the AHP, five criteria were adopted and a number of pair-wise comparisons were performed in two stages. Finally, the weighting coefficient to approve t...

In this paper we will analyse the software inspections related published data of different successful companies. We will compare the impact of software inspections on software quality with other software quality assurance techniques like software tests etc. Our analysis will show that software inspections play the most important role in software quality assurance. We will also briefly discuss w...

As the use of software grows in today’s society, software quality is becoming an increasingly important issue, and the need for activities to control and improve it is increasing dramatically. Software inspection has been extensively used for over thirty years to ensure the quality of software, by finding and repairing defects in software products. However, the yet narrow scope of research has ...

Visual inspection of material’s surface quality is an important quality determining step in industries dealing with surfaces as the prime feature of their product, for instance, plywood, metal, tiles, glass ware and many more. Primarily surfaces are inspected for smoothness and roughness quality. However, defects may arise in form of cracks, spots, holes, presence of excess material, flatness a...

In a given organization, if managers want to verify/improve the success and the return of investments of the organization Web site, they should assess the site quality during its entire life-cycle. Unfortunately, the trustworthiness of Web Quality Inspection Tools, which can be used to this aim, is not discussed in literature. The paper faces this problem proposing a thorough evaluation of trus...

Most visual quality inspections in discrete manufacturing are composed of length, surface, angle or intensity measurements. Those are implemented as end-user configurable inspection tools that should not require an image processing expert to set up. Currently available software solutions providing such capability use a flowchart based programming environment, but do not fully address an inspect...