Browsing Ph.D. Theses by Issue Date

Sort by: Order: Results:

  • Stochastic adaptive receding horizon controllers 
    Yaz, Engin. (Thesis (Ph.D)- Bogazici University. Institute for Graduate Studies in Science and Engineering, 1982., 1982.)
    In this thesis, the deterministic, stochastic and stochastic adaptive coritrolpossibilities based on the method of receding horizon is examiried. The receding horizon method assumes a fixed horizon length for feedback law ...
  • Modern spectrum estimation 
    Aktar, Mustafa. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1983., 1983.)
  • Sensitivity theory application to the numerical solutions of the general optimal control problem 
    Eksin, İbrahim. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1983., 1983.)
    This study proposes various efficient numerical methods for the general optimal control problem. The basic feature of the methods developed here is that they somehow exploit the ideas and the concepts of the sensitivity ...
  • Novel results on frequency estimation and statistical characterization of three spectral estimation techniques 
    Anarın, Emin. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1985., 1985.)
    The problem of detecting a sinusoidal signal in white noise and estimati on of its parameters is essentially a problem in signal processing such as radar, sonar, biomedical, etc. In this dissertation, various modern spectrum ...
  • Multiprocessor optimizations: |interconnection and task assignment 
    Erdim, Füsun. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1985., 1985.)
    Effective spreading of the use of muLtiprocessors, -or distributed processing in general-, and achieving the potential advantages of this new design option require various hardware and software-related probLems to be solved. ...
  • Study of evaporated amorphous silicon films by frequency dependent conductivity and phase shift analysis of modulated photocurrent methods 
    Çil, Celal Zaim. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1989., 1989.)
    A.c. and d.c. conductivity measurements have been performed on amorphous silicon films produced by electron gun evaporation. The a.c. measurements have been performed at frequencies between 100 Hz and 2 MHz, and at ...
  • Design of multidimensional perfectreconstruction filter banks with compression applications 
    Celasun, Işıl. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1996., 1996.)
    The acoustics, vibration, tacho voltage (tacho is a part of the universal motor used to get a feedback from the motor to control the speed), feeding voltage and the supply current signals reflect the health of the motor. ...
  • Development of a high level synthesis tool specialized on fir-based multirate systems 
    Yurdakul, Arda. (Thesis (Ph.D.)- Bogazici University. Institute for Graduate Studies in Science and Engineering, 1999., 1999.)
    Digital Signal Processing (DSP) is the most studied area in design automation, because it is one of the most well-established branches of electrical engineering for several years. In the last few years, it is stimulated ...
  • Multilayer perceptron neural network in analog VLSI-A system level study 
    Öğrenci, Arif Selçuk. (Thesis (Ph.D.)- Bogazici University. Institute for Graduate Studies in Science and Engineering, 1999., 1999.)
    Analog neural networks exhibit a potential for proper/suitable hardware implementation of artificial neural networks. Their advantages such as small size, low power and high speed, however, are seriously questioned/confronted ...
  • Variable structure systems theory based training strategies for computationally intelligent systems 
    Efe, Mehmet Önder. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2000., 2000.)
    Noise rejection, handling the plant-model mismatches and alleviation of structured or unstructured uncertainties constitute prime challenges that are frequently encountered in the practice of systems and control engineering. ...
  • Reconfiguring sliding-mode controller for underwater vehicles 
    Demirci, Ufuk. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2004., 2004.)
    The challenging control problem of underwater vehicles is addressed in this study under excessive sea wave disturbances at shallow submerged operation. The systems are becoming more and more complex with the effect of rapid ...
  • Optimal nonlinear controller design for flexible robot manipulators 
    Doğan, Mustafa. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2006., 2006.)
    Developing nonlinear adaptive and robust controllers for a two-link flexible robot arm is the main objective of this research. Two different modelling techniques are used to overcome model accuracy problems and these two ...
  • Solutions to restrictions of the current conveyor based circuits 
    Yüce, Erkan. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2006., 2006.)
    Current conveyor (CC) is one of the most widely used versatile active components. It potentially provides higher accuracy, wider bandwidth, greater linearity and larger dynamic range. The advantages of the CCs have brought ...
  • Finite element method with weighted extended b-splines for electromagnetics 
    Apaydın, Gökhan. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2007., 2007.)
    This thesis presents fundamental overview of electromagnetics and finite element method (FEM) with weighted extended basis splines (web-splines), which is a new developed finite element method for electromagnetic problems. ...
  • Sequential Bayesian modeling of non-stationary non-Gaussian processes 
    Gençağa, Orhan Deniz. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2007., 2007.)
    This thesis brings a unifying approach for modeling non-stationary non-Gaussian signals which are widely encountered in many multidisciplinary research fields. In the literature, different approaches have been used to model ...
  • Electronic tunability in analog filters 
    Metin, Bilgin. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2007., 2007.)
    In the beginning years of the analog design, discrete components were being used in the analog design procedures. After manufacturing, trimmer capacitors and potentiometers were used for electronic tunability to compensate ...
  • Adaptive control of nonlinear systems using multiple identification models 
    Cezayirli, Ahmet. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2007., 2007.)
    Adaptive control of nonlinear systems is considered in this study. Available methods in this field are reviewed first. Focusing on the minimum-phase, input-output linearizable and linearly parameterized nonlinear systems, ...
  • Cross-lingual voice conversion 
    Türk, Oytun. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2007., 2007.)
    Cross-lingual voice conversion refers to the automatic transformation of a source speaker’s voice to a target speaker’s voice in a language that the target speaker can not speak. It involves a set of statistical analysis, ...
  • Density-based shape descriptors and similarity learning for 3D object retrieval 
    Akgül, Ceyhun Burak. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)
    Next generation search engines will enable query formulations, other than text, relying on visual information encoded in terms of images and shapes. Content-based retrieval research aims at developing search engines that ...
  • Advanced transceiver design for continuous phase modulation 
    Özgül, Barış. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)
    This dissertation proposes advanced transceiver designs applying turbo and space-time (ST) concepts to continuous phase modulation (CPM), which is preferred in numerous power- and band-limited communication systems for its ...

Search Digital Archive


Browse

My Account