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77
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Introduction
Santhosh Kv currently works at the Department of Instrumentation and Control, Manipal University. Santhosh does research in Automotive Systems Engineering, Control Systems Engineering and Instrumentation Engineering. Their current project is 'Sensor fusion'.
Publications
Publications (77)
This paper aims at designing a differential pressure sensor. The objective of the work is to design and fabricate the electrodes of a capacitive pressure sensor, so as to measure absolute and differential pressure accurately with improved sensitivity. In place of conventional parallel plate diaphragm, S-type electrodes are proposed in the present w...
The present civilization highly depends on industrial products and hence there is an increased demand for the same. Therefore, each industry is trying to increase its production output without hindering the quality. Maintenance of plant health is essential to improve the production rate without any loss. Industrial processes require monitoring of e...
To cater to the ever-increasing needs of customers, industries have to give more importance toward maintenance of health of industrial process equipments through better monitoring system. Thus, fault detection and diagnosis techniques have a vital role in maintaining industrial process health. Stiction is one of the commonly occurring control valve...
This paper presents the design of an instrument for measuring the liquid level. The objective of this proposed work is to measure the level of liquid accurately even with variations in liquid concentration. The designed instrument should also be able to compute the concentration of additives in the liquid. For this purpose, a multisensor model comp...
Investigation of the effect of sensor fault in liquid process loop and designing a suitable fault isolation technique using the Kalman filter is proposed in this work. The objective of the work is to design an observer to estimate the process parameters, so as to compare with sensor functionality and thus identify and isolate faults in sensor. Base...
The proposed paper discusses about a sensing technique for measurement of the liquid level. The objective of the proposed technique is it should be able to measure the liquid level even with impurities added to it. Usually, a measurement technique is designed and calibrated to particular conditions. In case of the liquid level measurement, the cons...
Design of a calibration circuit for linear variable differential transformer (LVDT) used in the measurement of thickness. The objective of the proposed work is to design a calibration technique, which is adaptive to variation in the range of measurement. Sensitivity in measurement is one of the important parameters, which is always expected to be h...
This paper describes a design of adaptive liquid level control system using the concept of Multi Sensor Data Fusion (MSDF). Purpose of the work is to design a controller for accurately controlling the level of liquid in a process tank with liquid temperature changes. The proposed objective is obtained by i) implementing a MSDF framework using Pau's...
The paper presents the design and validation of an online intelligent displacement measurement technique with Linear Variable Differential Transformer (LVDT) using Artificial Neural Network (ANN). The objectives of the proposed work are to design a calibration technique using an optimised neural network model such that it a) produces an output whic...
This paper presents a technique for enhancing the linear range of thermistor. Objective of the proposed work is to (a) make the output of thermistor linear over full scale, by overcoming the saturation effect existing in available sensors, (b) design a multi sensor data fusion (MSDF) framework using thermocouple as another temperature sensor with t...
Online validation of multi sensor data fusion based liquid level measurement technique using capacitance level sensor and ultrasonic level sensor is implemented in this work. The objectives of the proposed work is to calibrate level measurement system by fusing the outputs of fuzzy sets of Capacitive Level Sensor (CLS) and Ultrasonic Level Sensor (...
This paper presents a multi-sensor data fusion model for measurement of temperature. The proposed paper puts forward an objective to develop a temperature measuring instrument (a) having improved performance characteristics like sensitivity and linearity (b) that produces accurate measurement even though a sensor is faulty. The technique is designe...
Objective: In this paper, a technique is proposed for measurement of viscosity using the principle of dispersion of incident light with variation of liquid viscosity. The objective of the proposed technique is to design a non contact technique to analyze the characteristics of dispersed image using image processing for the light incident on liquid...
This paper presents a technique for analysis of fault in pneumatic control valve. The objective of the paper is to develop a non-contact process for detection of faults in control valve if any, using a camera. The proposed design is designed to identify the faults in valve. Once the fault is identified, the next step is to isolate the fault by indi...
This paper presents an automated technique for detection of quantitative irregularity in a pencil box. Objective of the proposed work is to design a system for checking the number of pencils in a sealed packet. Dielectric property of pencil is made used to compute the change in capacitance for variation in number of pencils in the pencil box. This...
This paper presents a technique for analyzing the amount of additives added to the liquid, whose level is to be controlled. The objective of the proposed work is to design a technique which will (i) measure level of liquid independent of solution, (ii) analyze the quantity of additives present in the solution and (iii) design a multi sensor framewo...
This paper presents a technique of liquid temperature measurement using estimators. The objective of the proposed work is to design an estimator for measuring the liquid temperature in a process tank by analyzing the behavior of available capacitive level sensor (CLS). Input output characteristics of the capacitive level sensor is analyzed for vari...
This paper aims at designing an oxygen level monitoring technique in an oxygen cylinder. The amount of oxygen present inside an oxygen cylinder is a very vital information when such cylinder is in use as life saving measure to a critical patient. In this paper, it is proposed to measure oxygen level using pressure and temperature sensors. Condition...
Occurrence of fire is an unpredictable activity needing very high attention. Early response for fire may lead to less damage of life and property. In this paper a work is proposed for evacuating the people to a safe point once fire accident occurs. The objective of the proposed work is to process the data acquired from smoke and temperature sensor...
Packaging plays a vital role in protection of materials, along with providing information about the product. But many a
times it is difficult to identify the quality of product inside the packet. Proposed work discusses a technique to identify
the quality of such packed products. Objectives of the proposed work are to count number of crayon in each...
Design of an adaptive calibration technique using an optimized artificial neural network for liquid-level measurement is discussed in this paper. The objective of the present work is to design and validate an adaptive calibration technique so as (1) to extend the linearity range of measurement to 100% of full-scale input range and (2) to make the m...
This paper aims to design an adaptive flow measurement technique using the turbine flow meter. The objectives of this work are (i) to make the system linear over the full scale, (ii) to extend the linear range of flow measurement, (iii) to make the proposed flow measurement technique adaptive of variations in (a) Number of turbine blades (b) densit...
This paper presents a calibration technique for a Resistance Temperature Detector (RTD) used in measurement of temperature. Soft calibration circuit is designed using an optimized Artificial Neural Network (ANN), optimization of ANN is to choose a particular neural network scheme, algorithm, transfer function, and number of hidden layers. The objec...
This paper proposes a technique for measurement of liquid flow using venturi and ultrasonic flow meter(UFM) to have following objectives a) to design a multi-sensor data fusion (MSDF) architecture for using both the sensors, b) improve sensitivity and linearity of venturi and ultrasonic flow meter, and c) detect and diagnosis of faults in sensor if...
Design of an intelligent flow measurement technique using venturi flow meter is reported in this paper. The objectives of the present work are: (1) to extend the linearity range of measurement to 100 % of full scale input range, (2) to make the measurement technique adaptive to variations in discharge coefficient, diameter ratio of venturi nozzle a...
Design of an adaptive controller for controlling liquid level in a tank is proposed in this paper. The objective of the proposed paper is to design a PID controller to control the level of liquid. A multi-sensor data fusion architecture based controller is proposed which tunes value of proportional gain constant (KP), integral constant (KI), and di...
This paper aims at non contact measurement of liquid density using ultrasonic transducers. The approach is based on the travel time of ultrasonic wave through medium from transmitter to receiver. Lab VIEW platform is used to calculate the travel time of ultrasonic wave between the transmitters to receiver. N1 Elvis is used for real time implementat...
Packaging plays a vital role in protection of materials, along with providing information about the product. But many a times it is difficult to identify the quality of product inside the packet. Proposed work discusses a technique to identify the quality of such packed products. Objectives of the proposed work are to count number of crayon in each...
In this paper, a design technique for computing the observability for a nonlinear system using the concept of change in coordinates and a singular time rescaling is proposed. The objective of the proposed work is to present a characterization of observability and design an observer for switched nonlinear system with state jumps. A necessary and suf...
Modernization in civilization is making way for demand of school gears day by day. To balance consumption it is very essential to increase production. Its often found that incorporation of automotive technologies in plants would enhance production. In view of these prevailing conditions, proposed work presents an automated technique for (i) detecti...
Design of an adaptive soft calibration circuit with support vector machine (SVM) for flow measurement using orifice flowmeter is reported in this paper. The objectives of the present work are the following: (i) to extend linearity range of measurement to 100 % of full-scale input range and (ii) to make measurement technique adaptive to variations i...
Glaucoma is a group of ocular diseases resulting serious visual consequences. The common traits are high eye pressure, damage to the Optic Nerve Head and gradual vision loss. It affects peripheral vision and leads to permanent blindness if not detected in early stages. Various medical imaging techniques are used to diagnose glaucoma by ophthalmolog...
This paper proposes an adaptive calibration technique for temperature measurement using Resistance Temperature Detector (RTD) sensor based on Support Vector Machine (SVM). In practise, RTD has nonlinear response characteristics, and its output varies with variation in RTD. Support vector machine approach is used to design an adaptive calibration te...
In this work an attempt is made for designing a prototype in aid for color blind people in detecting color and edges of a given image which are of similar colors. Color blind people are restricted and even excluded from some professional jobs because of their deficiency to distinguish between colors. Motivation behind this work is to try and reduce...
This paper aims at designing an calibration technique for temperature
measurement using support vector machine. The objectives of the present work
are: (i) to extend the linearity range of measurement to 100 % of input range, and
(ii) to make measurement technique adaptive to variations in physical parameters
of thermistor like reference resistance...
This paper proposes an automated method for segregating and counting the different colored pencils by non-contact method. The proposed work is carried out in LabVIEW platform based on the image processing techniques. This work consists of two parts, firstly classification of pencils and secondly counting the number of pencils. The proposed work is...
Design of an adaptive calibration technique for displacement measurement using Linear Variable Differential Transformer (LVDT) is proposed in this paper. The objectives of this proposed work are (i) to extend linearity range of LVDT
to full scale of input range, (ii) to make system capable of measuring displacement
accurately with variations in dim...
Support Vector Machine (SVM) based intelligent pressure measurement technique operating in harsh environments is proposed in this paper. The technique that automatically calibrates, linearizes and compensates for the nonlinear response characteristics and complex nonlinear dependency of the sensor characteristics on elasticity modulus, thickness, d...
An adaptive soft calibration circuit using the technique
of Support Vector Machine (SVM) is reported in this paper for
temperature measurement using thermocouple. The objectives of
the present work are: (i) to extend linearity range of
measurement to 100% of full scale input range, (ii) to make
measurement technique adaptive to variations in temper...
In this paper, we propose the technique to automatically calculate the number of pencils in a packet using thresholding and edge detection techniques of image processing. By this technique, the background of the pencils is detected by detecting the change in background color. To show the effectiveness of this technique the results are compared with...
Design and validation of a temperature measurement technique using fusion of temperature sensor like resistance temperature detector (RTD), and thermistor is proposed in this work. The objective of proposed work is to design a technique using fuzzy logic algorithms to fuse two different sensors having dissimilar characteristics. A fuzzy logic syste...
An intelligent flow measurement technique by venturi flow meter using an optimized Artificial Neural Network (ANN) is presented. The objectives of the present work are (i) to extend the linearity range of measurement to 100 % of the full scale, (ii) to make the measurement technique adaptive of variation in (a) venturi diameter ratio, (b) discharge...
Design of an adaptive calibration technique using Least Square Support Vector Method (LS-SVM) for liquid level measurement using Capacitance Level Sensor (CLS) is reported in this paper. The objectives of the present work are (i) to extend the linearity range of measurement to 100% of the full scale, (ii) to make the measurement technique adaptive...
In this paper, we propose a technique to measure the Elasticity Modulus of the textile material using flex LVDT. Elasticity modulus is measured indirectly by measuring stiffness of the material first. The material whose stiffness is to be measured is subjected to a known force and the deflection caused in the material due to applied load is measure...
In this paper, we propose a technique for measurement of Elasticity Modulus of textile using image processing techniques implemented on LabVIEW platform, here the elasticity modulus is measured by measuring the stiffness. The material whose stiffness is to be measured is subjected to a known force, and the deformation caused by application of load...
Design of a two dimensional automated solar tracking system is discussed in this paper. The objectives of the proposed work are to design an automated tracking technique using Light Dependent Resistance (LDR), and solar panel power output to position the solar panel to absorb maximum energy. For positioning the solar panel two stepper motors are us...
Design of an intelligent level measurement technique by Capacitance Level Sensor (CLS) using an Optimized Artificial
Neural Network (OANN) is discussed in this paper. The objectives of the present work are (i) to extend the linearity
range of measurement to 100% of the full scale, (ii) to make the measurement technique adaptive of variation in
perm...
Design of an adaptive calibration circuit for temperature measurement using RTD with an optimized Artificial Neural Network (ANN) is reported in this paper. The objectives of the present work are: (i) to extend the linearity range of measurement to 100% of full scale input range, (ii) to make the measurement technique adaptive to variations in refe...
This paper presents a quantitative measurement technique of “anulom vilom” type pranayam by detecting a color patch in the video. A system is developed which can capture the video with the help of a camera during pranayam and analyzes the video to display the quantitative results of pranayam as message and graph. The message display the frequency o...
In this paper, we propose a scheme to measure the Elasticity Modulus of textile using image processing techniques, here the elasticity modulus is measured indirectly by measuring stiffness of the material. The material whose stiffness is to be measured is subjected to a known force, and the deformation caused in the material due to applied load is...
Design of an adaptive calibration circuit for flow measurement technique using Venturi flow meter is reported in this paper. The objectives of the present work are: (i) to extend the linearity range of measurement to 100% of full scale input range, (ii) to make the measurement technique adaptive to variations in discharge coefficient, diameter rati...
Design of an intelligent flow measurement technique using ultrasonic flow meter is reported in this paper. The objective of the work are; (i) to extend the linearity range of measurement to 100% of the input range, (ii) to make the measurement system adaptive to variations in pipe diameter, liquid density, and liquid temperature, and (iii) to achie...
This paper aims to design of a smart displacement measuring technique using Linear Variable Differential Transformer (LVDT). The objectives of this work are to (i) extend the linearity range of LVDT, (ii) eliminate the dependence of physical parameters of LVDT, (iii) eliminate the affect of input frequency and (iv) eliminate the effect of working t...
This paper aims at designing an intelligent temperature measurement technique using J type thermocouple with an optimized neural network model. The objectives of this work are to (i) extend the linearity range of measurement to 100 % of the full scale, (ii) make the measurement system adaptive of variation in temperature coefficients and (iii) to a...
This paper aims at designing an intelligent level measurement technique by Capacitance Level Sensor (CLS) using an optimal Artificial Neural Network (ANN). The objectives of the present work are to (i) extend the linearity range of measurement to 100% of the full scale, (ii) make the measurement technique adaptive of variation in (a) permittivity o...
This paper aims to design an intelligent non contact type flow measurement scheme using Ultrasonic Flow Meter UFM). The objectives of the present work are (a) to extend the linearity range of the proposed flow measurement scheme using UFM, (b) to make the proposed flow measurement scheme adaptive w.r.t variation in (i) pipe diameter, (ii) liquid de...
This paper aims at implementation of a quantitative measure of Kapal Bhati pranayam using piezoelectric sensors. A cluster of piezoelectric sensors is used to measure the contraction and expansion of belly while performing Kapal Bhati pranayam. This data is captured using NI Elvis and processed using LabVIEW software. The data is processed to displ...
This paper aims at designing an intelligent
temperature measuring technique by Resistance Temperature
Detector (RTD) using optimal Artificial Neural Network (ANN).
The objectives of the present work is (i) to extend the linearity
range of RTD and (ii) to provide intelligence in the measuring
technique so as to measure the temperature under variatio...
This paper aims at designing an automated system to monitor the bottle filling process in a beverage industry. The
objectives of this work are to (i) check whether the reused bottle is clean or not before beverage is filled, (ii) check whether the
bottle is completely filled with beverage and (iii) check whether the bottle is properly labelled. The...
This paper aims to design an intelligent flow
measuring instrument. The objectives of this work are (i) to
extend the linearity range of venturi and (a) to eliminate the
dependency of venturi to pipe diameters ratio, (b) the
dependency of liquid density, and (c) the effect of liquid
temperature on the output. The output of venturi is differential
p...
This paper aims at designing an oxygen level monitoring technique in an oxygen cylinder. The amount of oxygen present inside the oxygen cylinder is very vital information when such cylinder is in use for supply of oxygen to a critical patient. The amount of oxygen present inside the cylinder is measured by the pressure at the outlet nozzle. The pre...
This paper aims to design an intelligent flow
measurement technique. The objectives of this work are (i) to
make the overall system linear, (ii) to extend the linear range of
flow measurement using orifice, (iii) to make the proposed
intelligent flow measurement technique adaptive of variations
in (a) pipe to orifice ratio (b) density of liquid and...
This paper aims to design of a smart temperature measuring instrument. The objectives of this work are to eliminate the
effect of (i) the nonlinearity in the Thermistor, (ii) the interference of temperature coefficient ( ), (iii) the resistance at reference
temperature (R ). Since the output of thermistor is resistance we make use of a voltage divi...
In this paper, we propose a scheme to increase the linearity range of the capacitance level sensor (CLS) and make independent of the permittivity of the liquid used. The capacitance from the CLS is first converted to frequency by a timer circuit and then frequency is converted to voltage by a frequency to voltage converter. The relation is nonlinea...
-Now days it’s very important to increase the efficiency
of Internal Combustion (IC) engines. Due to many factors such as
fuel economy, fuel crisis and ultimately to increase the output. This
paper proposes an effective cooling system in IC engine. During the
process of combustion a large portion of heat is transferred to various
engine compon...