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A method for detecting on line a fault and his nature in a rolling mill process controlled by SPC (Statistical Process Control) is presented. The method uses the integration of multivariate SPC, traditional APC (Automatic Process Control) and a System Identification technique based on the shape factor of the system's step response. The normal behaviour of the automation system is controlled on line...
The present main problems are that volume list of oil tank are not exact commonly and volume of oil tank can't be probed visually. Aiming at domestic gas stations' status, the gas station automation management system is established based on neural networks. This paper puts forward the method of using linear interpolation algorithm to calculate the volume of oil tank at real time. It has improved the...
The features of remote communication system based on DeviceNet fieldbus are discussed. The remote monitoring and fault diagnosis system for main drive system of rolling mill based on DeviceNet fieldbus is proposed. The real time communication between the site data and remote application program is achieved by OPC interface.
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