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  • In Jour Smart Sensing And Intelligent Systems

 

Research Article | 13-December-2017

Microcontroller based Power Efficient Signal Conditioning Unit for Detection of a Single Gas using MEMS based Sensor

A low power MEMS based sensor along with the embedded power efficient signal conditioning unit (Microcontroller based), which can be used with any suitable sensor-network to detect and quantify variations in a particular gas concentration, has been reported in this paper. The power consumption of the MEMS gas sensor is ~ 70mW to 100mW depending upon its operating temperature (150-250°C) and that of entire signal conditioning unit (consisting of low noise amplifier, switch, microcontroller and

P. Bhattacharyya, D. Verma, D. Banerjee

International Journal on Smart Sensing and Intelligent Systems, Volume 3 , ISSUE 4, 771–782

Article | 05-June-2013

A reliable signal conditioning circuit to acquire human biopotentials

a whole [2]. In this work, the development of two identical signal conditioning circuits that facilitate the acquisition of the human biopotentials simultaneously from both the hands has been presented. The objective of developing these circuits is to enhance the signal levels of both the measured biopotentials uniformly and faithfully, without distortion. This is expected to enable a more reliable and detailed analysis of the acquired signals in future.

Aditi Bhattacharya, Dibyendu Basu, Bhaswati Goswami, Ratna Ghosh

International Journal on Smart Sensing and Intelligent Systems, Volume 6 , ISSUE 3, 1116–1132

Research paper | 01-September-2011

IMPLEMENTATION OF A SIMPLE WIRELESS SENSOR NODE FOR THE DETECTION OF GASEOUS SUBSTANCES LEAKAGE

The paper presents the steps involved in implementing a customizable wireless sensor node for the detection of gaseous substances leakage in both internal and external environments. The node consists of various modules namely, sensors, signal conditioning, computational unit, wireless communication and power supply. The measurand to be measured are carbon dioxide, oxygen, relative humidity and temperature. A computational analysis is performed using a nano-watt PIC18LF4620 microcontroller and

S. Edward Jero, A. Balaji Ganesh, T.K. Radhakrishnan

International Journal on Smart Sensing and Intelligent Systems, Volume 4 , ISSUE 3, 482–495

Research Article | 12-December-2017

A LOW COST PORTABLE TEMPERATURE-MOISTURE SENSING UNIT WITH ARTIFICIAL NEURAL NETWORK BASED SIGNAL CONDITIONING FOR SMART IRRIGATION APPLICATIONS

Aman Tyagi, Arrabothu Apoorv Reddy, Jasmeet Singh, Shubhajit Roy Chowdhury

International Journal on Smart Sensing and Intelligent Systems, Volume 4 , ISSUE 1, 94–111

Article | 01-September-2014

DEVELOPMENT AND IMPLEMENTATION OF A SENSOR NETWORK TO MONITOR FERMENTATION PROCESS PARAMETER IN TEA PROCESSING

point for estimating average condition. Sensor node at each monitoring point is connected via RS 485 network which works with a protocol developed for this purpose. Each sensor node consists of sensors, signal conditioning, controller and RS485 transceiver. All these nodes are calibrated and the voltage level of RS 485 system is converted to RS 232 voltage level to make compatible with the COM port of the PC. Data acquisition software is developed with the help of NI Lab VIEW.

Debashis Saikia, P.K. Boruah, Utpal Sarma

International Journal on Smart Sensing and Intelligent Systems, Volume 7 , ISSUE 3, 1254–1270

Research paper | 13-December-2017

High Performance Macroporous Silicon Chemical Sensor With Improved Phase Detection Electronics

. However, from the impedance measurement it has been observed that the sensor capacitance with such stable contacts has an ultra low-Q value and to exploit such sensor for portable field use systems, an embedded signal conditioning unit has been realized to display the measured capacitance value after offset compensation and reduction of parasitic effects.

C. RoyChaudhuri, S. Gangopadhyay, R. DevDas, S.K. Datta, H. Saha

International Journal on Smart Sensing and Intelligent Systems, Volume 1 , ISSUE 3, 638–658

Research Article | 15-February-2020

A New Scheme for Determination of Respiration Rate in Human Being using MEMS Based Capacitive Pressure Sensor: Simulation Study

In this paper, a MEMS based capacitive nasal sensor system for measuring Respiration Rate (RR) of human being is developed. At first two identical diaphragm based MEMS capacitive nasal sensors are designed and virtually fabricated. A proposed schematic of the system consists of signal conditioning circuitry alongwith the sensors is described here. In order to measure the respiration rate the sensors are mounted below Right Nostril (RN) and Left Nostril (LN), in such a way that the nasal airflow

Madhurima Chattopadhyay, Deborshi Chakraborty

International Journal on Smart Sensing and Intelligent Systems, Volume 7 , ISSUE 5, 1–5

Research Article | 13-December-2017

Nanocrystalline ZnO based MEMS Gas Sensors with CMOS ASIC for Mining Applications

In this paper a nanocrystalline (nc) zinc oxide based hybrid gas sensor with signal conditioning ASIC has been reported for sensing and transmitting the information about methane concentration from the underground coalmine environment. A low power, low temperature nc zinc oxide MEMS based gas sensor has been designed, fabricated and tested for the purpose with a power consumption of ~70mW and sensitivity of 76.6 % at 1.0% methane concentration at a sensor operating temperature of 1500C. For

N.P Futane, P. Bhattacharyya, S. Barma, C. Roychaudhuri, H. Saha

International Journal on Smart Sensing and Intelligent Systems, Volume 1 , ISSUE 2, 430–442

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