Sharif Digital Repository

CDM-based design and performance evaluation of a robust AQM method for dynamic TCP/AQM networks

Author

Bigdeli, N.

Pub. Year

2009

Subjects

Active queue management. / Coefficient diagram method. / Model reference adaptive control. / Recursive parameter estimation. / Closed loop control systems. / Closed loop systems. / Computer networks. / Continuum damage mechanics. / Control theory. / Gradient methods. / MATLAB. / Model structures. / Parameter estimation. / Poles. / Poles and zeros. / Queueing networks. / Recursive functions. / System stability. / Telecommunication networks. / Time domain analysis. / Time varying networks. / And performance evaluations. / Characteristic polynomials. / Closed loops. / Control of networks. / Model reference adaptive controls. / Network variations. / Output feedbacks. / Pole placement methods. / Pole placements. / Stability and robustnesses. / System parameters. / Time domains. / Varying parameters. / Adaptive control systems.

Time-series analysis of TCP/RED computer networks, an empirical study

Author

Bigdeli, N.

Pub. Year

2009

Subjects

Chaotic systems. / Computer networks. / Dynamics. / Harmonic analysis. / Random processes. / Time series. / Chaotic dynamics. / Complex behaviors. / Congestion control systems. / Deterministic chaos. / Empirical studies. / Non-linear time series analysis. / Nonlinear stochastic dynamics. / Parameter variations. / Periodic oscillations. / Stochastic natures. / TCP/RED. / Time series analysis.

Predictive functional control for active queue management in congested TCP/IP networks

Author

Bigdeli, N.

Pub. Year

2009

Subjects

Active queue management. / Model predictive control. / TCP/AQM networks. / AC generator motors. / Computer networks. / Disturbance rejection. / Functions. / Jitter. / Metropolitan area networks. / Network management. / Predictive control systems. / Queueing networks. / Queueing theory. / Robustness (control systems) / Transmission control protocol. / Computational loads. / Controller parameters. / Explicit congestion notifications. / External disturbances. / Fast responses. / FLOW models. / Handling systems. / Linearized fluids. / Link utilizations. / Loop transfer functions. / Low delays. / Packet marking probabilities. / Predictive functional control. / Resource utilizations. / Simulation results. / Small signals. / TCP networks. / TCP/IP networks. / Control theory.

ARM-PFC an optimized AQM congestion controller in TCP/IP networks

Author

Bigdeli, N.

Pub. Year

2007

Subjects

Computer networks. / Internet protocols. / Markov processes. / Numerical methods. / Predictive control systems. / Computer system. / Congestion. / Simulation. / Active queue management. / Armarkov model. / Congestion control. / Predictive functional control.

AQM controller design for networks supporting TCP vegas: A control theoretical approach

Author

Bigdeli, N.

Publisher

ISA - Instrumentation, Systems, and Automation Society,

Pub. Year

2008

Subjects

Congestion control (communication) / Differential equations. / Internet. / Linearization. / Active queue management. / Coefficient diagram methods. / Network modeling. / TCP Vegas. / Network protocols. / Algorithm. / Artificial neural network. / Statistical model. / Statistics. / Algorithms. / Models, Statistical. / Neural Networks (Computer) / Quality Control.

Performance analysis of CDM as an AQM congestion controller in dynamic networks

Author

Bigdeli, N.

Publisher

IEEE Computer Society,

Pub. Year

2005

Subjects

Closed loop systems. / Computer simulation. / Congestion control (communication) / Robustness (control systems) / Telecommunication traffic. / Transmission control protocol. / Coefficient Diagram Method (CDM) / Indirect pole placement. / Traffic variations. / Computer networks.

Simplified modeling and generalized predictive position control of an ultrasonic motor

Author

Bigdeli, N.

Publisher

ISA - Instrumentation, Systems, and Automation Society,

Pub. Year

2005

Subjects

Actuators. / Dynamics. / Mathematical models. / Piezoelectric devices. / Signal interference. / Torque. / Vibration measurement. / GPC. / Quadratic GPC. / Ultrasonic motors. / USM modeling. / Position control.

Position control of an ultrasonic motor using generalized predictive control

Author

Bigdeli, N.

Pub. Year

2004

Subjects

Position control. / Predictive control. / Torque control. / Pi control. / Proportional control. / Neural networks. / Control nonlinearities. / Predictive models. / Instruments. / Stability.

Modelling of an ultrasonic motor based on hammerstein model structure

Author

Bigdeli, N.

Pub. Year

2004

Subjects

Stators. / Torque. / Frequency. / Voltage. / Ultrasonic variables measurement. / Force measurement. / Vibration measurement. / Instruments. / Mathematical model. / Equivalent circuits.

A probabilistic neural network classifier-based method for transformer winding fault identification through its transfer function measurement

Author

Bigdeli, M.

Pub. Year

2013

Subjects

Fault type. / Measurement. / Probabilistic neural network. / Transfer function. / Transformer. / Vector fitting. / Axial displacements. / Fault type identification. / Fault types. / Probabilistic neural networks. / Transfer function analysis. / Transfer function measurements. / Measurements. / Neural networks. / Transformer windings. / Vectors. / Transfer functions.

Comparison of transfer functions using estimated rational functions to detect winding mechanical faults in transformers

Author

Bigdeli, M.

Pub. Year

2012

Subjects

Axial displacement. / Rational function. / Transfer function. / Transformer. / Axial displacements. / Evaluation Method. / Fault conditions. / High potential. / Mechanical faults. / New indices. / Fault detection. / Rational functions. / Transfer functions. / Transformer windings. / Winding.

Transformer winding faults classification based on transfer function analysis by support vector machine

Author

Bigdeli, M.

Pub. Year

2012

Subjects

Axial displacements. / Disc space. / Fault classification. / Fault conditions. / Model transformers. / Radial deformation. / SVM classifiers. / Training and testing. / Transfer function analysis. / Winding faults. / Transfer functions. / Transformer windings. / Support vector machines.

A new method for detection and evaluation of winding mechanical faults in transformer through transfer function measurements

Author

Bigdeli, M.

Pub. Year

2011

Subjects

Fault Diagnosis. / Measurement. / Transfer Function. / Transformer. / Vector Fitting.

Bidding strategy in pay-as-bid markets based on supplier-market interaction analysis

Author

Bigdeli, N.

Pub. Year

2010

Subjects

Pay-as-bid. / Artificial Neural Network. / Generating companies. / Generating unit. / Iran electricity market. / Market interactions. / Optimal bidding. / Pay as bid. / Pay-as-bid market. / Strategic bidding. / Systematic analysis. / Commerce. / Electric industry. / Electric load forecasting. / Electric generators.

Calculating leakage inductances of pancake windings in dry-type traction transformers

Author

Azizian, D.

Pub. Year

2011

Subjects

Cast-resin dry-type transformer. / Design procedure. / Electromagnetic modeling. / Experimental data. / Leakage inductance. / Pancake winding. / Split winding. / Traction transformer. / Finite element method. / Inductance. / Information technology. / Telecommunication. / Traction (friction) / Transformer windings. / Winding.

Transformer winding diagnosis using comparison of transfer function coefficients

Author

Bigdeli, M.

Pub. Year

2011

Subjects

Transformer Winding. / Axial displacements. / Circuit parameter. / Function coefficients. / Model parameters. / New indices. / New model. / Nodal analysis. / Radial deformation. / Transfer Function Coefficients. / Deformation. / Information technology. / Telecommunication. / Transformer windings. / Winding. / Transfer functions.

Theoretical and experimental investigation of transformer winding fault detection using comparison of transfer function coefficients

Author

Bigdeli, M.

Pub. Year

2012

Subjects

Axial displacement. / Radial deformation. / Transfer function coefficients. / Transformer winding.