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Filtering by: Creator Rice, R. E. Remove constraint Creator: Rice, R. E. Degree Field Electrical and Computer Engineering Remove constraint Degree Field: Electrical and Computer Engineering Peer Reviewed No Remove constraint Peer Reviewed: No

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  • Functional expansions in bilinear system analysis

    Creator:
    Karanam, Veerabhadra Rao
    Abstract:
    Bilinear systems, encountered in many important applications of engineering, biological and socio-economic systems, represent the logical step in complexity between the linear systems which are inadequate in the modeling of various dynamic processes and the difficult realm of nonlinear systems. This dissertation studies two functional expansions in bilinear system analysis-...
    Resource Type:
    Dissertation
    Full Text:
    equation to find x2, and so on. Solving (2.8) for xi, x 1 (t) = eAt x 0 + e A(t ) B u (-r) dr 0 Then

  • Modeling and experimental verification of electric and magnetic fields generated by undersea power transmission cables

    Creator:
    York, Charles E.
    Abstract:
    As interest grows in developing devices to harvest energy from ocean waves, tidal currents, and offshore wind, concerns over possible environmental effects from such devices also grow. One such concern is over the induced electric fields and the generated magnetic fields from generators and their associated submarine power cables in...
    Resource Type:
    Masters Thesis
    Full Text:
    field within a material which is within the electric displacement field is shown by [12] ~D = �0�r ~E

  • Sliding Mode Control of Oscillating Water Column Wave Energy Converters

    Creator:
    Brown, Danielle R.
    Abstract:
    This thesis concerns the development of a direct torque control strategy using a sliding mode control approach to optimize the power output of an oscillating water column (OWC) wave energy converter (WEC). The OWC WEC is a device that has a submerged vertical tail tube open at both ends, which...
    Resource Type:
    Masters Thesis
    Full Text:
    Time (s) 0 2 4 6 8 10 12 G e n e ra to r P o w e r (k W ) Buoy 1 Generator Power of

  • Adaptive digital transceiver for rayleigh fading channels

    Creator:
    Hughes, Jeffery R.
    Abstract:
    This thesis presents an adaptive modulation scheme using a Walsh-code modulator. The Walsh-code modulator consists of a dynamic demultiplexer and predetermined sets of orthogonal Walsh-Hadamard codes. The demultiplexer can demultiplex the input bit stream into a maximum of thirty-two sub-streams. The Walsh- Hadamard codes are used to spread the spectrum...
    Resource Type:
    Masters Thesis
    Full Text:
    AN ABSTRACT OF THE THESIS OF Jeffery R. Hughes for the

  • The doubly-excited generator and its utilization in a variable-speed generating system

    Creator:
    Agha-Mirsalim, Mojtaba
    Abstract:
    The doubly-excited machine can be used as a variablespeed generator or as a variable-speed-drive motor. In this thesis the focus is on the aspects associated with generating electric power (real and reactive) from erratic energy resources such as water or wind. In such cases, the power input to the prime...
    Resource Type:
    Dissertation
    Full Text:
    : A. Vs= Vs ei0 (4.1.1) B. Er= Er ejS , (4.1.2) r r jg C. V = V e , (4.1.3) 40 where (6) is the

  • A tunable duty-cycle-controlled switched-R-MOSFET-C CMOS filter for low-voltage and high-linearity applications

    Creator:
    Xiao, Ying
    Abstract:
    A novel switched-R-MOSFET-C input branch is proposed for low-voltage and high-linearity applications. The tunability is achieved by varying the clock duty cycle using an automatic tuning circuit. This tuning method does not involve a change in gate voltage, and is therefore particularly suitable for low-voltage applications. The advantages of the...
    Resource Type:
    Masters Thesis
    Full Text:
    back to the time domain, we get, R -~ [ f ] Vout(t) = - a~ e Ri u(t) ® Vin (t) (Eq. 2.16) The

  • Detection and diagnosis of parameters change in linear system using time-frequency transformation

    Creator:
    Park, Dae-hyun
    Abstract:
    A systematic optimization of the Cohen class time-frequency transformation for detecting the parameters change is developed. The local moments approach to change detection is proposed and a general formula for the local moments is derived. The optimal kernel functions of the time-frequency transformation are determined based on the combined criteria...
    Resource Type:
    Dissertation
    Full Text:
    modeled as h(a,t) tr e-xrti-icort + e4.,..t+itornt + tCn e . r m n (4-11) For simplicity, we focus on

  • Conditionally Gaussian processes in stochastic control theory

    Creator:
    Kolodziej, Wojciech Jan
    Abstract:
    An application of the theory of conditionally Gaussian random processes to filtering and stochastic control problems is presented here. The results due to Liptser and Shiryayev are proved to hold in the multidimensional case under somewhat relaxed conditions, when compared to the original ones. Such a generalization is required from...
    Resource Type:
    Dissertation
    Full Text:
    equation (2. 1) the above will restrict the additive controls to the class which satisfies E( r II ut 114

  • Parameter and volterra-kernel estimation of bilinear systems

    Creator:
    Baheti, Radhakisan Sohanlal
    Abstract:
    It has been established that bilinear models occur frequently in nature and offer some important advantages from the standpoint. of controllability, optimization and modeling. The estimation of bilinear systeim models from the Measurements of input-output data are discussed. In the first approach a parametric model of a discrete-time linear system...
    Resource Type:
    Dissertation
    Full Text:
    C BL( ) m n (2) BL(x111).-1 2 Bi x ui E Bi )(R 1=-1 FIG. 1,1 BILINEAR STATE DIAGRAM 10

  • Bilinear control processes with application to immunology

    Creator:
    Hsu, Chin-Shung
    Abstract:
    As a significant class of nonlinear systems, bilinear systems (BLS) are extensively developed in the past years. In addition to their advantages over linear systems which are often not adequate to represent accurately many control processes, the BLS are particularly appealing in modeling biological systems in which parametric controls are...
    Resource Type:
    Dissertation
    Full Text:
    y M y(t)=DeAt Ei+ ft iT r 1 T. -1 i 1=1 llk k2'*" k //0 0 TT j=1 e-ATiB eATiu (T.)d T]X k. kJ