Bidirectional Dc–Dc Converters square measure accustomed Transfer the facility Between 2 Dc Sources in Either Direction. These Converters square measure wide utilized in Applications, like Hybrid electrical Vehicle Energy Systems, Uninterrupted Power provide, Fuel-Cell Hybrid Power Systems, electrical phenomenon Hybrid Power Systems, And Battery Charge. Several bifacial Dc–Dc Converters are res...

In this paper, a number of mechanisms are described that can be used in the design of a protocol convertor for authentication and key distribution protocols. First, the scope of the mechanisms is deened: we mark out the class of authentication systems that were considered during the design of the mechanisms. A rst mechanism, based on proxies and a synchronization protocol , allows for a transpa...

We proposed an ultra-broadband reflective metamaterial with controlling the scattering electromagnetic fields based on a polarization convertor. The unit cell of the polarization convertor was composed of a three layers substrate with double metallic split-rings structure and a metal ground plane. The proposed polarization convertor and that with rotation angle of 90 deg had been employed as th...

This paper deals with the optimization of the catalytic convertor for CNG Lean burn Engine based on BS4 compliances. In addition to the present catalytic convertor the work is carried out for the optimization of catalytic convertor and also to meet the BS4 compliance and also to reduced cost for the same. In this project we have prepared the samples with some variation in the substrate with res...

Variable characteristics of turbine for different wind speeds have different operating point. Maximum power thus can’t be assured at all points of operation. But MPPT algorithm pushes the electronic dc-dc convertor to provide higher power output by adjusting duty cycle of buck/boost convertor connected before load. MATLAB simulations have been investigated and results show a higher power output...

A47934, a peptide antibiotic produced by Streptomyces toyocaensis, belongs to the glycopeptide class of compounds which includes ristocetin and vancomycin. Incorporation studies with radioisotope-labeled substrates indicated that tyrosine, p-hydroxyphenylglycine, p-hydroxyphenylglyoxylate, acetate, and sulfate were efficiently incorporated into A47934. This is consistent with the reported biosy...

The photocell is a silicon photodiode integrated onto a chip together with a voltage-tofrequency convertor. This combination makes a light intensity-to-frequency convertor which has a linear dynamic range of six decades. The light intensity can then simply be determined by counting the frequency. The sensitive area is about two millirrietres square and the band of light produced by the cylindri...

A systematic derivation of DC-circuit and small-signal-circuit models and characteristics for pulse-width-modulated buck-derived convertors operating in the continuous conduction mode is presented. Starting from voltageand currenttransfer functions of an idealised switching part of the convertor and using the linearisation technique, pure linear-circuit models of lossless convertors are derived...

This paper presents an interface circuit with power control features for electrostatic vibration energy harvesting. A DC-DC convertor is used to control the output voltage of a diode-based charge pump circuit. Therefore, the maximum and minimum voltage across the variable capacitor of the energy harvester may be adjusted to track the maximum power point of the system. The power conversion funct...