Artificial neural networks (ANNs) is made up of many elements with connections between them which influence each other according to the algorithms that the designer employs. Each element is able to influence its outpu...
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Artificial neural networks (ANNs) is made up of many elements with connections between them which influence each other according to the algorithms that the designer employs. Each element is able to influence its output according to an embedded function whose value is derived from a training phase. Most developments employing ANN rely upon data stored in matrix arrays. It was therefore possible to use matlab that is extremely good at developing matrix data sets to develop ANN structures that could be transformed into formats that could be employed directly on available hardware.
The proceedings contains three papers from the 1998 ieecolloquium entitled `Industrial Automation and control: Applications in the Automotive Industry'. Topics discussed include: road prediction for intelligent v...
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The proceedings contains three papers from the 1998 ieecolloquium entitled `Industrial Automation and control: Applications in the Automotive Industry'. Topics discussed include: road prediction for intelligent vehicles using video;advanced collision warning systems;and fuzzy modeling techniquesapplied to an air/fuel ratio control system.
This paper compares the results of four robust multivariable design techniquesapplied to the depth control of a nonlinear Remotely Operated Vehicle (ROV) subjected to parameter perturbations. Three nonlinear control ...
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This paper compares the results of four robust multivariable design techniquesapplied to the depth control of a nonlinear Remotely Operated Vehicle (ROV) subjected to parameter perturbations. Three nonlinear controltechniques, namely, input-output(i/o) linearization control, input-output linearization control with sliding mode control and input-output linearization control with adaptive fuzzy control are studied. The fourth technique is the H∞ loop shaping design procedure using multiobjective optimization for the simultaneous design of robust stability and performance.
This paper presents a review of matlab/Simulink-based techniques used in the development of fault models of signalling railway systems. The data used to develop the models was derived, both in normal and fault modes, ...
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This paper presents a review of matlab/Simulink-based techniques used in the development of fault models of signalling railway systems. The data used to develop the models was derived, both in normal and fault modes, from operational railway monitoring equipment using four data signals to characterize the electrical and mechanical behaviour of a points mechanism. The main objective of this work was to regenerate three of the data signals from a single monitored signal, thus reducing the number of sensors required to identify and predict a system failure. matlab/Simulink based static curve fitting and dynamic system identification techniques were applied to regenerate the data, and in each case the robustness and accuracy of the fault model are discussed. Finally, the signal regeneration is demonstrated using a Simulink model combining dynamic and linear models.
This paper describes briefly three software packages which can be used in matlab for solving various control problems by a user with no programming knowledge; they are: the Model Reduction KIT, the Nonlinear Kit, and ...
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This paper describes briefly three software packages which can be used in matlab for solving various control problems by a user with no programming knowledge; they are: the Model Reduction KIT, the Nonlinear Kit, and the control Kit. Specific examples are given showing uses of the software.
This paper presents the implementation of matlab/SIMULINK models, on a dSPACE digital signal processing board, for the analysis of plant behavior and hardware-in-the-loop simulation of a double actuator electrohydraul...
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This paper presents the implementation of matlab/SIMULINK models, on a dSPACE digital signal processing board, for the analysis of plant behavior and hardware-in-the-loop simulation of a double actuator electrohydraulic system for structural testing.
Together with matlab and SIMULlNK, the genetic algorithm (GA) Toolbox described presents a familiar and unified environment for the control engineer to experiment with and apply GAs to tasks in control systems enginee...
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Together with matlab and SIMULlNK, the genetic algorithm (GA) Toolbox described presents a familiar and unified environment for the control engineer to experiment with and apply GAs to tasks in control systems engineering. Whilst the GA Toolbox was developed with the emphasis on control engineering applications, it should prove equally as useful in the general field of GAs, particularly given the range of domain-specific toolboxes available for the matlab package.
The MODCONS Toolbox provides flexible and robust tools for multi-objective control system design within matlab, particularly for the mixed-optimisation approach. The package allows users of different levels of sophist...
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The MODCONS Toolbox provides flexible and robust tools for multi-objective control system design within matlab, particularly for the mixed-optimisation approach. The package allows users of different levels of sophistication access to such techniques; the code generating capabilities are particularly useful for less sophisticated users.
The cold oxidation techniques for pollution controlusing dielectric barrier discharges (DBD) are discussed. The DBD comprise two electrodes, one of which is covered by a dielectric. When voltage is applied across the...
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The cold oxidation techniques for pollution controlusing dielectric barrier discharges (DBD) are discussed. The DBD comprise two electrodes, one of which is covered by a dielectric. When voltage is applied across these electrodes, electrons gain enough energy from the electric field to ionize molecules in the air and produce an avalanche or micro-discharge. It is the current in these micro-discharges that causes the oxidation of any hydrocarbon pollutants. By using a quartz tube/aluminum plate consisting of 2×14 rows of quartz tube electrodes, it is seen that although the overall abatement of pollutant decreases with increased loading at a constant specific energy, the efficiency of the plasma process increases.
At idle the engine throttle is closed and the airflow into the engine is typically controlled by the opening of a simple electromechanical valve actuated by the engine's electronic engine management system. This p...
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At idle the engine throttle is closed and the airflow into the engine is typically controlled by the opening of a simple electromechanical valve actuated by the engine's electronic engine management system. This provides the principal means to control engine speed. It is commonly supplemented by control of the spark advance to modulate engine torque production. This is an input which acts quickly but is limited in authority. The matlab/SIMULINK engine model and its role in control law development are described.
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