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In this project, the primary aim is to produce optimum parameters for electric power generation via renewable sea wave energy for the Turkish sea coastlines. The modular system is composed of wave actuation mechanism, hydraulic system and generator. This system is used to model and compute the optimal parameters but also monitor the Turkish coastline characteristics. A hydrodynamic model based optimum...
The purpose of this paper is to investigate the dynamic behavior of a fluid conveying pipe and to propose suitable control strategies in order to eliminate or suppress its vibration. The system under consideration consists of a uniform, straight, vertical cantilever pipe which conveys incompressible fluid. Governing equation of motion for free transverse vibration is derived by using Newtonian approach...
A nonlinear control algorithm is given for a class of quadrotors operating in small angles. The control of 6-DOF moving platform using only four actuators results in an under-actuated control system. In order to transform the dynamics in affine form, an additional constraint is applied on the actuation mechanism that reduces the independent control signals even further. In this paper, the system is...
This paper reports a network based computer simulation and control platform for an unmanned aerial vehicle (UAV). The complete platform has been built by a complex software integration in NIST/ECMA model having user interfaces on distributed platforms, open-source and educational vertical tools accessing public domain maps, satellite images and tool libraries. Entire platform is setup to use UDP for...
This paper proposes a novel multi-sensor approach for Partial Discharge (PD) detection of Power System Apparatus. Three sensors were used to detect partial discharge namely, Radio frequency (RF) antenna, High Frequency Current Transformer (HFCT), and Acoustic Emission (AE) sensor. A cost-effective trigger circuit was implemented to overcome the expensive requirements of the acquisition of RF and CT...
This paper discusses the details of designing and building a monitoring system that can be used to evaluate the status of power system apparatus remotely. The monitoring system was built and tested to monitor both the partial discharge inside a transformer model and the leakage current on an outdoor insulator's surface. The monitoring system is designed to measure different parameters and hence to...
For a class of underactuated systems, a switching Lyapunov functions based nonlinear controller is given. Underactuated configuration space is split in to two subsets. Two simplified controllers with local guaranteed performances are derived. A direct controller is designed on actuated configuration space while another feedback controller is utilized indirectly to act on the unactuated configuration...
The need of an efficient mathematical model that characterizes the Aircraft system dynamics is essential for implementing an autopilot system, control algorithms, and other applications. The challenge of system identification is to predict the parameters of the system and construct a model that can estimate the system behavior under both normal inputs and disturbance. One of the main problems in system...
In this paper, the relationship between the dimension of the address space and the intrinsic ("fractal") dimension of the data set is investigated. An estimate of a lower bound for the number of features needed in a similarity search is given and it is shown that this bound is a function of the intrinsic dimension of the data set. Our result indicates the "deflation" of the dimensionality...
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