This paper proposes a discrete-time predictive controller with constraints for variable speed horizontal wind turbines. The control strategy, implemented using discrete-time model predictive control (MPC) is optimized...
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This paper proposes a discrete-time predictive controller with constraints for variable speed horizontal wind turbines. The control strategy, implemented using discrete-time model predictive control (MPC) is optimized using a certain set of constrains applied to the control signal u(k). MPC provides an integrated solution for controlling systems with interacting variables, complex dynamics and constraints. The paper will show that with a small modification in the control signal, the degree of performance deterioration can be reduced if the constraints are incorporated in the implementation, leading to the idea of constrained control.
This paper presents differences between an SQL database management system - Oracle Database and No SQL document oriented database management system - Mongo DB. Comparison criteria includes theoretical differences, fea...
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Metadata integration and use represents an open problem due to the rapid expansion of data resources in a nonstandard compliant environment. The increasing need to access and retrieve relevant data based on semantic s...
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For the attractor determination, we propose in this paper a new approach based on the definition of a comparison system by special description of the linearized model of the process around an operating state which cor...
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Since 2005 assessment in many core engineering courses at Silesian University of Technology, Gliwice, Poland, is performed in the electronic manner. Every year the method is modified, based on teachers' experience...
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This paper describes a methodology to identify all the parameters of a quadrotor system including the structure parameters and rotor assembly parameters. A CAD model is developed using SOLIDWORKS to calculate the mass...
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ISBN:
(纸本)9781467353199
This paper describes a methodology to identify all the parameters of a quadrotor system including the structure parameters and rotor assembly parameters. A CAD model is developed using SOLIDWORKS to calculate the mass moment of inertia and all the missing geometrical parameters. A three simple test rigs are built and used to identify the relationship between the motor input Pulse Width Modulation (PWM) signal and the angular velocity, the thrust force, and drag moment of the rotors. A simple algorithm is implemented to an inertial measurement unit (IMU) for estimating the attitude and altitude of the quadrotor. Experimental set up is built to verify and test the accuracy of these proposed techniques. A controller is designed based on the feedback linearization method such that the quadrotor attitude can be stabilized. Finally, the experimental results show the effectiveness of the proposed techniques and the controller design.
In this paper we present a new constraint-based design of visual predictive architectures. An analytical study over the properties of a local model based predictor and its open loop behavior is detailed. Constraint-ba...
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A test bed is developed for facilitating real time experiments with mobile robots. The setup consists of a wheeled mobile robot that moves on a platform, a computer that controls the robot and an overhead camera that ...
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Usually when modeling a real process the effects of nonlinearities must be taken into account. A road traffic sector is one such process. Considering it from a macroscopic point of view, the sector is modeled both as ...
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Image colorization is a semi-automatic process of adding colors to monochrome images and videos. Using existing methods, required human assistance can be limited to annotating the image with color scribbles or selecti...
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