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La thrombose veineuse cérébrale « TVC » représente une variété rare d’accident vasculaire cérébral « AVC ». Ses mécanismes sont multifactoriels et ses étiologies plurielles. Le péripartum constitue une situation thrombogène favorisante bien reconnue auquel peut s’associer certaines habitudes culturelles majorant.Rapporter une série de thrombose veineuse cérébrale, impliquant une restriction hydrique...
Biomedical signal lately have been a hot topic for researchers, as many journals and books related to it have been publish. In this paper, the control strategy to help quadriplegic patient using Brain Computer Interface (BCI) on basis of Electroencephalography (EEG) signal was used. BCI is a technology that obtain user's thought to control a machine or device. This technology has enabled people with...
Gantry Crane System is widely used for material transportation. In this system, uncontrolled oscillation always be found during the moving process. This problem may extend the carrying time and cause safety problem. In this paper, it presents a method for controlling a Gantry Crane System based on Proportional-Integral-Derivative (PID) controller strategy. A combination of the Priority Fitness Scheme...
This paper studies the application of sliding mode control (SMC) using the nonlinear sliding surface for yaw rate tracking of active front steering (AFS) control. The nonlinear vehicle model is described to simulate the vehicle plant while the linear uncertain vehicle model with uncertainty of cornering stiffness is established for controller design and analysis. The design of nonlinear sliding surface,...
The main objective of this paper is to perform a robust controller design using discrete-time sliding mode control (DSMC). In the control scheme, two-degree-of-freedom (2-DOF) control strategy turns the DSMC, which generally utilized state feedback into output feedback controller. The designed control scheme is considered with feedback and feedforward combination by implementing the zero phase error...
This paper presents a combination of the Priority Fitness Scheme (PFS) and optimization techniques to find the optimal performances of the Gantry Crane System. Control algorithm that based on the PFS will be designed and used as fitness function in PSO and BPSO. PFS are prioritized based on Steady State Error (SSE), Overshoot (OS) and Settling Time (Ts) according to the requirements. The system model...
Electro-hydraulic actuator (EHA) system has become one of the most prominent actuator in the past decades. Therefore, it is crucial to attain structural insight into the characteristics of the particular system. This paper presents system identification of EHA system using non-recursive or offline technique where the mathematical model is determined first by considering fixed supply pressure and load...
This paper presents a novel application of Recurrent HONN to forecast the future index of temperature time series data. The prediction capability of Recurrent HONN, namely the Recurrent Pi-Sigma Neural Network was tested on a five-year temperature data taken from Batu Pahat, Malaysia. The performance of the network is benchmarked against the performance of Multilayer Perceptron, and the standard Pi-Sigma...
This paper presents a H-infinity synthesis with pole clustering based on LMI region schemes to control the speed of a DC motor. The dynamic system composed of converter/motor is considered in this investigation and derived in the state-space and transfer function forms. The performance of the control schemes is examined in terms of time response specifications of angular velocity, duty cycle input...
A simple technique to determine the distance of the lightning strikes using single-station detection is described. The technique is based on ratio of the magnetics field to the electric field generated by the lightning stroke. A wire antenna was used to measure the electric field signals while magnetics loop antenna was used to measure the electromagnetics signal on the thunderstorm days. The LabVIEW...
This paper presents investigations into the development of H∞ controller with pole clustering based on LMI techniques to control the payload positioning of INTECO 3D crane system with very minimal swing. The linear model of INTECO 3D crane system is obtained using the system identification process. Using LMI approach, the regional pole placement known as LMI region combined with design objective in...
This paper presents a multirate output feedback based on discrete time sliding mode to control motion servo system. The method used the output information that is sampled at a faster rate than the control input to design controller. It has been shown that proper selection of the reaching law parameter can reduce the chattering problem. Simulation demonstrate that the controller is highly robust to...
This project focuses on the development of straight line movement for a four-wheeled mobile robot. In this project, a DC gear motor is chosen as motion control for two driving wheels and the direction of robot will be controlled by servo motor to two steering wheels. PIC is selected as the brain board controller due to react and respond to the data received from Digital Compass Module to identify...
This paper presents a robust control technique to improve tracking performance of an electro-hydraulic actuator system in the existence of uncertainties and unknown disturbances. These variables affect the robustness and tracking performance of the system. Sliding mode control is an effective approach for controlling systems with uncertainties and unmeasurable disturbances. A new control law with...
This paper presents the position tracking performance of an electro-hydraulic hydraulic actuator (EHA) system by using a discrete sliding mode control (DSMC). A point-to-point trajectory is used in the experimental works to evaluate the performance of the DSMC which is design in two-degree-of-freedom (2-DOF) control structure. The design consists of DSMC and a feed forward controller. The control...
Electro-hydraulic actuator (EHA) system inherently suffers from uncertainties, nonlinearities and time-varying in its model parameters which makes the modeling and controller designs are more complicated. The main objective of this paper is to perform a robust control design using discrete-time sliding mode control (DSMC) with perfect tracking control strategy. The proposed controller consists of...
This paper presents discrete sliding mode control (DSMC) for nonlinear model of an inverted pendulum system. The reaching law method is used during the DSMC design. The uncertainties are structured in that system by considering the existence of an error during the pendulum angle measurement. The designed controller is compared with Linear Quadratic Regulator (LQR) controller to observe the capability...
The electrostatic sensor was used in process industry because of low cost and robust designed. Three types of electrode available in particular application such as pin shape, quarter ring shape and ring shape. The paper was focused on the investigation of the pin shape structure and the characteristic of the circular shape by using different size of structure. Non-instrusive method with circular electrode...
This paper presents the system identification process done on an industrial Electro-Hydraulic Actuator (EHA) system. The model obtained through system identification by aid of System Identification Toolbox of MATLAB and System Identification Toolkit of LabVIEW. Attraction of system identification is ability to obtain system's model with sets of input and output data; without need of prior knowledge...
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