Quality control of an industrial unit production using qualitative methods

نویسنده

  • GEORGIA GARANI
چکیده

In this work is presented the application of qualitative models and statistical methods in quality control of production procedures of various components of an automatic industrial press machine. The methodology of creating a descriptive model of a manufacturing process is presented using qualitative methods of description and a qualitative modeling and simulation application (QMTOOL). The simulation of the model allows the redefinition of the initial machine part specifications and model structure and aims to achieve the most efficient functionality of the production procedures. The final analysis of the simulation results is accomplished using statistical and mathematical methods and applications for the evaluation of the final machine components as well as the production procedures. The important role of the qualitative modeling methodologies and the reliability of the statistical functions used are documented with practical case studies carried out in a machines constructions company. Key-Words: Qualitative, modelling, statistical, production

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Qualitative methods in control of industrial production units

The research in this paper deals with the application of qualitative models and statistical methods in quality control of production procedures of various components of industrial press machines. The qualitative simulation of discrete-event machine systems is often based upon the use of qualitative simulation and discrete-event methods techniques too. In order to describe and analyze machine sy...

متن کامل

Effluent quality of ammonia unit in Razi petrochemical complex

Establishment of great industrial centers and ports along the Khur-Musa Estuary in Mahshahr Port (Khuzestan, Iran) have been discharged a high volume of industrial and non-industrial pollutants to this estuary. The most important pollutants in Khur-Musa include industrial wastes and effluents including ammonia and urea units. This research aimed to survey the qualitative parameters of effluent ...

متن کامل

Integration of the Decisions Associated with Maintenance Management and Process Control for a Series Production System

This paper studies a series production system through the integration of the decisions associated with Maintenance Management (MM) and Statistical Process Control (SPC). Hence, the primary question of the paper can be stated as follows: In a series production system, how can the decisions of MM and SPC be coordinated? To this end, an integrated mathematical model of MM and SPC is developed. Usi...

متن کامل

An economic-statistical model for production and maintenance planning under adaptive non-central chi-square control chart

Most of the inventory control models assume that quality defect never happens, which means production process is perfect. However, in real manufacturing processes, the production process starts its operation in the in-control state; but after a period of time, shifts to the out-of-control state because of occurrence of some disturbances. In this paper, in order to approach the model to real man...

متن کامل

Occupational monitoring and health risks assessment of respiratory exposure to dust in an industrial unit of production Khak-e-Chini

Introduction: The respiratory system, as one of the most important organs of the human body, is affected by adverse health effects and consequences of particulate matter. this study was performed to purpose determine the occupational exposure of workers to crystalline silica of inhalable dust and determine its health risks. Method: In this analytical cross-sectional study, sampling was perform...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

عنوان ژورنال:

دوره   شماره 

صفحات  -

تاریخ انتشار 2006