Intelligent Gauge Control System Using ARM and Fuzzy PI Controller

Abstract

Abstract:The longitudinal strip thickness error is an important problem in the hydraulic cold rolling industries, and the random disturbances may increase this error. To decrease this error, we proposed a new ARM9-based gauge control system, which is better than traditional automatic gauge control (AGC) system. This ARM9-based control system was comprised of an ARM9, three sensors, a fuzzy PI controller and other devices. The traditional AGC system was uncertain to deal with this error because the parameters were adjusted by human operators. This new ARM9-based control system had better chip such as ARM9 and used fuzzy controller to transform the uncertain information about this error into some certain data. Moreover, this new ARM9-based control system can be smaller and easier to carry. The experimental results were made with the Matlab tool, and the data show that this new ARM9-based gauge control system performs better than the traditional AGC system and is more robust than the traditional one against the distances.

Intelligent Gauge Control System Using ARM and Fuzzy PI Controller

“…For a classic PI control system in the hydraulic rolling industry, the cylinder position loop of the AGC system plays an important role in improving the quality of sheet strips [11]. Corresponding to the AGC system, the cylinder position loop mentioned ahead is an automatic position control system, which is named APC.…”

“…Based on the APC, the device for measuring the gauge is set at the output position, in order to measure the gauge for the output part of the strip. But due to the inertia and the delay, the traditional gauge control caused the longitudinal strip thickness error, which decreased the effectiveness of this control process [11].…”

Fuzzy Tuning PID Control of Strip Rolling Mill Hydraulic APC System

“…As the complexity of the control object, the precise mathematical model of the control system cannot be established, and there are disturbances caused by internal parameters and external load and some other uncertainties, these factors increase the designing difficulty of control system [2-4]. Because of the existing of some difficulties such as parameters tuning, traditional PID control have been increasingly unable to meet the control requirements [5][6].…”

Sliding Mode Control of Strip Rolling Mill Hydraulic AGC System

“…These factors increase the designing difficulty of control system [4][5][6]. Because of the existing of some difficulties such as parameters tuning, traditional PID control have been increasingly unable to meet the control requirements [7][8].…”