Design of High Performance Low Leakage FPGA Slices using Control Logic

Abstract Field Programmable Gate Arrays (FPGAs) are significant in digital designs, Scientific Computing, Digital Signal Processing and Tele-communications. To use re-configurable technology in the portable applications, the devices that consume significantly less power and programmable are essential. In FPGAs, leakage power has become a major component as the technology evolves to deep sub-micron. An effective […]

Design of Sliding Mode Controller for Field Controlled DC Motor Under Parameter Uncertainties

Abstract Designing the speed controller for a field controlled DC motor with uncertain parameters is a challenging task. Sliding Mode Control technique is widely used robust controller design methodology that takes care of uncertain parameters. Here, in this paper, first order sliding Mode controller is designed to regulate the speed of a DC motor using […]

Control of Coupled Tank Liquid Level System Using Sliding Mode Control

Abstract Designing a controller for coupled tank liquid level system under tracking conditions is a challenging task.  First order sliding mode controller is designed and implemented for liquid level coupled tank system under distinct tracking signals. The proposed controller was designed by using tracking error approach.  The designed non-linear controller is capable of tracking the […]

Design of 32 Bit Data path Unit of ARM7 Microprocessor using Sub threshold Current Mode Logic

Abstract In the present days, Very Large Scale Integration (VLSI) is focused upon designing energy efficient electronic devices. These are nothing but the embedded gadgets whose core is a processor. Advanced RISC Machine (ARM) is one of the families of computer processors which have an reduced instruction set architecture. Current Mode Logic (CML) is one […]

Five level inverter with SVPWM Control Technique

Abstract This paper provides the proposed single phase five level inverter with Dc link Switches based on SVPWM technique. This paper focuses on improving harmonic performance of the multilevel inverter and quality of output voltage waveform compared to conventional two-level inverter. It uses two carrier wave and three reference waves which are generated fromSVPWM technique. […]

PID Controller Design for Non-Minimum Phase Time-Delay Systems Using Optimization Methods

Abstract Non-minimum phase systems are difficult to control with conventional methods because of their inherent characteristics of undershoot. The complexity in control of such systems increases when time delay is added. These systems will exhibit undershoot in time-response and oscillations in the high frequency region in magnitude frequency response. This paper focuses on design of […]

Study of Reduced System Models for Power System Monitoring

Abstract With increase in loads and generation the complexity and interconnection of power system are increasing. It necessitates more computational time to study the system behaviour for large power systems. During the emergency conditions like faults the computational time must be less. The network reduction techniques are useful in analysing large interconnected systems with less […]

Optimal Frequency Control of a Microgrid

Abstract The paper provides an introduction to the complex problem of controlling a Microgrid. After defining the various terms used throughout the paper, a specific problem involving the control of a linear system with a constant load is stated. Both classical methods like PI control and optimal control method of quadratic performance index were attempted […]

Dynamic Stability Enhancement in a Multimachine Power System using SVC along with a Controller

Abstract This paper presents a mathematical analysis namely linearization technique for small signal stability enhancement in multi machine power system using a FACTS device SVC. Using eigen values and participation matrix the small signal dynamic behavior of the multimachine power system is investigated. Secondly with a FACTS device SVC the same system enhanced dynamic behavior […]