Development Of Analysis And Control System For Process Quality Based On ARM Platform

Manufacturing plays an important role in our country's economy, and it has an enormous contribution to GDP, absorption of surplus labor, export and earns income. With the expiring of the protection for industries when entering the WTO and the expedition of the globalization, manufacturing industry will be confronted with more and more competitions and opportunities. Nowadays, quality control level of many manufacturing factories is low below the need. The crucial factors which influence the efficiency and benefits of the mass productions, such as specialization division, scientific management of the production, standardization and automatization, are need to be improved. In the face of these facts, more and more experts and enterprisers realized that modernization of enterprise management is the key point of the Chinese manufacturing industry to keep pace with the advanced enterprise; Quality control according to the international quality control standards and methods must be taken if the Chinese enterprise want to be a member of the global industry chain. In modern quality engineering, the widely used quality control method is based on the symbolic logic and statistics. While for manufacturing factories, production quality control mainly points to realize the control of the machining process, which is called process quality control or SPC (Statistic Process Control). SPC technology is the guarantee of the quality aim of the enterprise. Process quality control method of non-online and manual measure is the main method that most home manufacturing factories take, it remains to be low digital level, obsolete way of quality data procession and low efficiency, and it can not reach the demand of the quality engineering. In addition, with the development of the computer technology, real-time data collection, calculation and analysis of mass data that SPC needs can be made by the means of computers and software. SPC becomes to be an absolutely necessarily tool of the quality control of the enterprise. Online and integrated SPC technology based on computer network is both the future of the quality control of the enterprise and the important topic of enterprise informatization. The research is of great benefit to the development of home manufacturing industry. Based on aforementioned analysis, with the situation of SPC theory is not applied widely, this paper concerns to SPC theory and its implementary flow and method. Aimed to tide of enterprise informatization and the practical situation of the traditional obsolete quality measuring method, using the advanced computer technology and network technology, the structures, constitute and functions of the SPC management system based on computer network is introduced and a maneuverable SPC network system is proposed in order to improve quality control level of the enterprise. The structure model of the network system is analyzed in detail, and a practical use in the factory is provided. The pivotal technology of the SPC cell and data collection, which is integrated by production quality digitalization and analysis, is researched and developed. The application of the SPC cell based on ARM hardware platform is introduced according to the introduction of the embedded system technology.