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Suolin Duan,Yonghong Wu,Zhenghua Ma,Guirong Lu 제어로봇시스템학회 2009 제어로봇시스템학회 국제학술대회 논문집 Vol.2009 No.8
In this paper a discrete closed-loop D-type iterative learning control (ILC) scheme for the electrohydraulic position servo systems with parameter uncertainties is presented. The conditions which guarantee the convergence of the algorithm are given and the convergence is proved. The simulation results demonstrate the effectiveness of the presented D-type ILC algorithm for the discretization electrohydraulic position servo systems with parameter uncertainties.
A Simple and Valuable Method for Detecting Levels of Interface of Oil -Water and Oil Layer
Guirong Lu,Hao Hu,Suolin Duan,Hongyuan Wang 제어로봇시스템학회 2009 제어로봇시스템학회 국제학술대회 논문집 Vol.2009 No.8
A new method for monitoring two levels of interface of oil-water and oil layer is proposed in this paper. The method aims to estimate the two levels of oil and water in single tank. Different from popular way, a sensor with a simple structure from parallel-plate capacitor has been developed. One electrode of the sensor has been divided into two parts from diagonal line by a small crack. According to relationships between the capacitances measured from electrodes and two levels of interface of oil-water and oil layer, formulas for estimating the two levels have been derived and tested. The experimental results indicate that responses of the designed sensor are very satisfactory. Therefore, this is a simple and useful method, and the sensor is also worthy to be product.