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International Journal on Smart Sensing and Intelligent Systems

Professor Subhas Chandra Mukhopadhyay

Exeley Inc. (New York)

Subject: Computational Science & Engineering , Engineering, Electrical & Electronic

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eISSN: 1178-5608

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FEATURED ARTICLES

Touch fingerprint sensor based on sensor cell isolation technique with pseudo direct signaling
HYBRID DATA APPROACH FOR SELECTING EFFECTIVE TEST CASES DURING THE REGRESSION TESTING
PERFORMANCE AND ANALYSIS OF AUTOMATIC LICENSE PLATE LOCALIZATION AND RECOGNITION FROM VIDEO SEQUENCES

VOLUME 2 , ISSUE 3 (September 2009) - List of articles

ONE-SHOT THREE-DIMENSIONAL SURFACE PROFILOMETRY USING DMD-BASED TWO-FREQUENCY MOIRÉ AND FOURIER TRANSFORM TECHNIQUE

L. C. Chen/ C. H. Cho/ X. L. Nguyen

This article presents an optical measurement method for acquiring rapidly accurate geometric 3-D surface morphology of objects. To achieve high-speed profilometry and avoid disturbance due to in-field vibration, one-shot Fourier transform profilometry (FTP) using twowavelength digital moiré pattern was developed to detect the morphology of the measured object at a speed of up to 60 frames or more per second. Single-fringe interferogram sufficient for FTP can be rapidly captured within a theoreti(..)

DOI: 10.21307/ijssis-2017-355

PREDICTION OF THERMAL CONDITION OF CAGE-ROTOR INDUCTION MOTORS UNDER NON-STANDARD SUPPLY SYSTEMS

S.C. Mukhopadhyay/ S.C. Mukhopadhyay

A hybrid thermal model for accurate estimation of thermal condition of cage-rotor induction motors under non-standard supply systems has been presented. The developed thermal model is a combination of lumped and distributed thermal parameters which are available from motor dimensions and other physical constants. The thermal condition of the motor under non-standard supply systems such as unbalanced power supply, distorted power supply can be estimated and the necessary derating of the motor can(..)

DOI: 10.21307/ijssis-2017-356

FLOW REGIME IDENTIFICATION IN PNEUMATIC CONVEYOR USING ELECTRODYNAMIC TRANSDUCER AND FUZZY LOGIC METHOD

M. F. Rahmat/ N. S. Kamaruddin/ M. D. Isa/ M. F. Rahmat/ N. S. Kamaruddin/ M. D. Isa

Electrodynamic sensor, which can also be called as tribo-electric sensor, senses the electrostatic charge carried by the particle. The tomography system using electrodynamic sensor is called as tribo-electric tomography system. Source of the signal induced on the electrodynamic sensor is brought by the object to be measured and no excitation circuit is necessary. Measuring concentration distribution of the solid particles is essential because it contains useful information about potential proble(..)

DOI: 10.21307/ijssis-2017-357

SIMULTANEOUS PERIODIC OUTPUT FEEDBACK CONTROL FOR PIEZOELECTRIC ACTUATED STRUCTURES USING INTERVAL METHODS

S. Neduncheliyan/ M. Umapathy/ D. Ezhilarasi

In this paper, the problem of modeling, output feedback control design and the experimental implementation for the vibration control of smart cantilever beam with parameter uncertainties represented in interval form is addressed. The interval model of the system is obtained by introducing variation in the parameter of the identified model. However, Uncertainties are assumed in the model, identified through on line recursive least square parameter estimation. The control and identification proces(..)

DOI: 10.21307/ijssis-2017-358

Thermal Effects in Design of Integrated CMOS MEMS High Resolution Pressure Sensor

C. RoyChaudhuri/ S K Datta/ H. Saha

Thermal effects in integrated piezoresistive MEMS pressure sensor may be a problem of concern in design for applications requiring high precision measurements and in continuously monitoring array of sensor network. It not only results in the shift of the offset voltage of the pressure sensor but also affects the performance of the adjacent CMOS circuit leading to erroneous values. To address this problem, the thermal effects of the integrated sensor chip along with its packaging arising out of t(..)

DOI: 10.21307/ijssis-2017-359

TOWARDS A NEW GAS SENSOR MICROSYSTEM USING ELECTROACTIVE POLYMERS THIN FILMS

Allal LARBI/ Bachir DJEDOU/ Layachi BENNACER/ Mounir BOUSBIA-SALAH

This paper describes the development of a new gas sensor device using some electroactive polymers in thin layers. The poly(fluoro-aluminium phthalocyanine) powder, (AlPcF)n, has been synthesized, then deposited by vacuum evaporation on alumina or silicon substrates in the form of thin films with control of the deposition rate. (AlPcF)n thin layers are doped by NO2 or O2 diluted at various concentrations in N2 and their conductivity variations are studied as a function of time, temperature and do(..)

DOI: 10.21307/ijssis-2017-360

UNCERTAINTY ANALYSIS OF MICRO DIFFERENTIAL PRESSURE SENSOR USING INTERVAL ANALYSIS

M. Shanmugavalli/ G. Uma/ M. Umapathy

A methodology for robust design analysis of micromechanical systems using interval methods is presented by considering piezo resistive micro differential pressure sensor with uncertainty in its parameters. The proposed method guides the design of micro sensor to achieve a robust and reliable design in a most efficient way. The uncertainty analysis is carried out numerically using Coventorware and analytically using Intlab.

DOI: 10.21307/ijssis-2017-361

UNCERTAINTY ANALYSIS OF STRAIN GAGE CIRCUITS: INTERVAL METHOD AND INTERVAL ALGORITHM

B. Vasuki/ M. Umapathy/ A. R. Senthilkumarr

This paper presents uncertainty analysis of a strain gage based instrumentation systems. This has been carried out by interval method and classical methods and is verified by the mean value algorithm based on interval arithmetic. The quarter, half and full bridge configuration of strain gage based circuits are considered to illustrate the analysis.

DOI: 10.21307/ijssis-2017-362

POLYMER OPTICAL FIBRE FOR IN SITU MONITORING OF GAMMA RADIATION PROCESSES

S. O’Keeffe/ E. Lewis

Poly Methyl MethAcrylate (PMMA) based plastic optical fibres offer a low cost radiation monitoring solution with a wide dose range, capable of providing real-time, online information. The sensitivity of the fibre to ionising radiation is shown to be dependant on wavelength, with the sensitivity increasing with decreasing wavelength, and so by carefully selecting the monitoring wavelength, the desired sensitivity and dose range can be achieved. The fibres exhibit high sensitivity, up to 0.6dBm- 1(..)

DOI: 10.21307/ijssis-2017-363

Enhanced LPG response characteristics of SnO2 thin film based sensors loaded with Pt clusters

Divya Haridas/ Arijit Chowdhuri/ K. Sreenivas/ Vinay Gupta

RF sputtered SnO2 thin films (90 nm thick) loaded with clusters of nanoscale (8 nm) metal catalysts (Pt, Ag, Ni, Pb, Al, Pd) are investigated for LPG detection. SnO2 film loaded with Pt catalyst clusters exhibits enhanced response (~ 7.5×102) to 200 ppm of LPG at a relatively low operating temperature (185oC) with a fast response time of 100s. Variation of thickness of Pt clusters in the nanoscale range (2 to 20 nm) is seen to significantly influence the sensor response characteristics. Enhanced(..)

DOI: 10.21307/ijssis-2017-364

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