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The Compact Muon Solenoid (CMS) detector is one of the two general-purpose detectors at the CERN LHC. LHC will provide exceptional high instantaneous and integrated luminosity after second long shutdown. The forward region |η| ≥ 1:5 of CMS detector will face extremely high particle rates in tens of kHz/cm2 and hence it will affect the momentum resolution, efficiency and longevity of the muon detectors...
This paper gives insight for the improvement of power transfer capability by analyzing and comparing several FACTS devices such as Static Var Compensator (SVC), Static Synchronous Compensator (STATCOM) and Unified Power Flow Controller (UPFC) in long transmission line. These devices have been used in different locations such as sending end, middle and receiving end of transmission line. The suitable...
Molybdenum disulfide (MoS2), a member of the transition metal dichalcogenide (TMD) family, is a 2D semiconductor with a direct bandgap of ∼1.8 eV for single layers. Its bandgap allows for high Ion/Ioff metal-oxide semiconducting field-effect transistors (FETs). Exfoliated monolayer MoS2 FETs exhibit current saturation with on-state current densities of 300 µA/µm, as well as transconductances exceeding...
Distributed generation (DG) can be integrated into distribution systems to meet the increasing load demand. This paper discusses the sizing and sitting issue of single DG placement in radial distribution systems using distflow technique. The main objective of the work is to minimize the active and reactive power loss and enhance voltage profile of overall system. The effectiveness of the proposed...
To improve the response time of the system operator, a robust monitoring system is recommended. Design of such system is done so as to impart additional intelligence to the conventional monitoring system by creating logical analytics, using abnormality / limit violation of important parameters such as frequency, flow gate limits etc. or using combination of two or more such parameters. Further, the...
In this paper numerical solution of exact magnetic field for planar and cylindrical beam driven backward wave oscillator is carried out at π point. Our results show that for beam parameters Vb=5.32×108 cm s−1, relativistic factor γ=1.16, and beam voltage = 80kv, nearly 7kG magnetic field is required to focus both electron beam at π point. We obtain the comparable enhancement in the growth rate of...
The main motive in venturing into Cepstral Analysis of speech is to understand the minute subtle details of Cepstral Analysis mechanism. Another unique aspect that we were interested in performing vocal tract and source information separation by Cepstral Analysis and hence understanding liftering concept in cepstral Analysis. In basic spectrum analysis the range of frequency specific to a particular...
Text line segmentation plays a vital role in the overall performance of a document recognition system. In the literature, similar segmentation works for offline handwritten Bangla documents are rarely found. On the other hand, certain peculiarities of handwritten Bangla script such as widespread occurrences of ascenders and descenders or some of its characters appearing only as an ascender or descender...
The comparison of control strategies of two different topologies of five level diode clamped multilevel inverter (DCMLI), fed by a photovoltaic (PV) module is presented in this paper. The inverters are supplying various dynamic loads. Different types of single phase induction motors have been used as dynamic loads. The control strategies implemented are Phase disposition (PD), Phase opposition disposition...
This paper focuses upon an approach to generate the electrical energy from wind by mounting specially designed wind turbines on the roof of moving rail locomotives (trains). In this work, three blade wind turbine system constructed using aerofoil is proposed. In proposed model, wind turbine is arranged in bus bar arrangement. The power developed by the implementation of aforementioned design is used...
The focus of this paper is the exploration of the technologies related to generation of digital signals which can be used for voltage control applications. Three distinct methods have been described. The first one concerns with coding Pulse Width Modulation (PWM) and Sinusoidal PWM (SPWM) signals in Verilog and obtaining the output on a Field Programmable Gate Array (FPGA). The second technique relates...
Performance evaluation of two different topologies of five level diode clamped multilevel inverter (DCMLI), supplying static loads and dynamic loads is presented in this paper. For the classical DCMLI the control strategies implemented are Phase disposition (PD), Phase opposition disposition (POD), Alternate phase opposition disposition (APOD) and unsymmetrical sine pulse width modulation. Another...
This paper concerns with the control of intensity and direction of light for the purpose of saving electrical energy. This work presents a strategy by virtue of which a user can vary position of light and amount of light with the help of a cell phone. The main issue with current lighting schemes is that they do not have a provision for saving energy. Moreover, these schemes do not focus light on the...
For the High-Luminosity LHC (HL-LHC) phase the CMS GEM Collaboration is planning to install new large-size (990×220–455mm2) triple-GEM detectors, equipped with a new readout system, in the forward region of the muon system (1.5< |η| <2.2) of the CMS detector. Combining triggering and tracking functionalities the new triple-foil Gas Electron Multiplier (GEM) chambers will improve both the performance...
Gas Electron Multiplier (GEM) technology is being considered for the forward muon upgrade of the CMS experiment in Phase 2 of the CERN LHC. Its first implementation is planned for the GE1/1 system in the 1.5 <| η |< 2.2 region of the muon endcap mainly to control muon level-1 trigger rates after the second long LHC shutdown. A GE1/1 triple-GEM detector is read out by 3,072 radial strips with...
It has been demonstrated that laser-wakefield acceleration (LWFA) can generate several electron beam parameters rivaling those generated by conventional RF-cavity accelerators. Tunable and monoenergetic electron beams have also been produced with LWFA. Currently, active research is being directed towards finding methods to generate e-beams that have independently controllable parameters, as is standard...
A sensor less wind speed estimation scheme for variable-speed wind turbine generators has been analysed in this paper. Neural network principles are applied for sensor less wind speed estimation. Model of one pitch controlled horizontal axis wind turbine along with DOIG based generation system has been used for this study. The aerodynamic characteristics of the wind turbine are approximated by a radial...
By employing a pair of partially overlapped supersonic gas jets, we made a separation of injection and acceleration stages of laser wakefield acceleration and produced stable, quasi-monoenergetic (10–30% FWHM) and tunable (50–300 MeV) electron beams.
We present calculations and results for frequency doubling on DiPOLE, a 7J 10 Hz Yb:YAG DPSSL, using DKDP, YCOB and LBO. The LBO crystal achieved the highest conversion efficiency of 65%.
A bright, narrow band MeV γ-ray source based on Thomson scattering using a laser-driven electron accelerator has been developed. We discuss the application of this source for selective activation in regions of high particle (neutron or gamma) production, with minimal absorption in intervening materials.
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