We consider the problem of inferring the structure and dynamics of an unknown network driven by unknown noise inputs. For linear, time-invariant systems of minimal order, with hidden states and one noise source per measured state, we characterise under what conditions this problem is wellposed and present two main results. First, for networks with stable interactions between measured states and...

The Brushless DC (BLDC) motor is a simple robust machine which has found application over a wide power and speed of ranges in different shapes and geometry. This paper briefly reviews the fundamentals behind the motor and also the different types of BLDC motors with different geometries and then presents a new configuration for BLDC motor/generator, which does not use a permanent magnet in the ...

Abstract In this paper we explain how we are improving the source component of a source-filter vocal synthesis system. Our strategy for this improvement involves the replacement of the pulse generator by a phase vocoder module whose coefficients are derived from the analysis of speech signals. Firstly, we introduce the context of our research and then indicate the problem; finally, we present o...

A CMOS class D phase locked loop based PWM generator is presented in this paper. The implementation is done in a 90nm CMOS process using CADENCE tool. The architecture in this project eliminates the requirements for a high-quality carrier generator and a high-speed voltage comparator that are often required in PWM implementations. Voltage comparison is replaced by Phase comparison and precise r...

This paper presents an analytical modeling method of optimal control variables to maximize output power for switched reluctance generators (SRGs) in single pulse mode operation. This method extends the basic theory of the Stiebler model and utilizes the flux linkage function to express the inductance model of SRG. In this paper, the optimal phase current shape of SRG for maximum output power is...

In this paper, a Costas loop based method has been presented for digital receivers. The other most commonly used existing method is PLL but it suffer from the drawback of phase ambiguity. The proposed Costas loop overcomes this drawback of phase ambiguity. The proposed Costas loop has been designed and simulated using Simulink and System Generator Blocksets. The results show that the proposed d...

A simple mathematical model is proposed to compute the steady-state performance of six-phase self-excited induction generators. A mathematical model is formed directly from the equivalent circuit of six-phase selfexcited induction generator by nodal admittance method. The proposed model completely eliminates the tedious work involved in the existing models. Genetic algorithm is applied to solve...