Asian Journal of Convergence in Technology
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SMART DRIP IRRIGATION USING CLOUD TECHNOLOGY AND MOBILE APP
Get PDFIn India agriculture is the main occupation of the people. Our people completely depended on the agricultural harvesting. In dry areas or in case of inadequate rainfall, irrigation becomes difficult. so, todays our farmers are using drip irrigation to save water. In drip irrigation the farmers must switch on the drip based on timings manually on his assumption of plants moisture level. In this paper we are proposing a smart drip irrigation which is based on Controller. We are using moisture sensor to sense the moisture level of the plants. We will collect the moisture reading from sensor to “ThingSpeak” cloud, where we are calculate the average value of sensors and we will compare to the threshold value of moisture. If the value is greater than threshold value the notification will be sent to the mobile app denoting farmer to switch on the pump of that line. If farmers switch on the pump the pump will be opened in the farm by which water will flow to plants. The moisture level reduces
A Survey of two different Approaches for Named Entity Recognition.
No full textNamed Entity Recognition[NER] refers to a data extraction task that is responsible for finding, storing and sorting textual content into pre-defined categories such as the name of a person, organizations, locations, expression of time, quantities, monetary values, and percentages. Named Entity Recognition can be implemented using two different approaches such as Rule Based Approach and Statistical Based Approach. This Project does a comparative study of these two approaches on various types of inputs on the named entities like name of person, organization, and location and analyzes the outcome on the basis of parameters such as Recall, Precision, and F-Measure and determines whether the Rule Based Approach or the Statistical Based Approach should be implemented for better performance and efficiency in Named Entity Recognition
Parallel Operation of Inverters With Droop Control of Voltage and Frequency
Get PDFIn distributed generation numerous small generating stations are connected to micro grid by using interfacing inverter. While connecting a various inverters in micro grid, load sharing amongst them in very important factor. This paper presents a novel approach for interfacing parallel inverter, the technique used in this paper is based on P-F/Q-V droop control. This technique is very helpful when micro grid is operating in island mode. The droop control is designed in a such a way that it helps in maintaining the voltage and frequency stability. In this paper method of droop control is implemented and characteristics of proportional load sharing are obtained from each connected inverter. The two inverters operation is shown in this paper. The two inverter scheme with droop control is implemented in MATLAB and results obtained shows significant sharing of load while maintaining the constant voltage and frequency
E-Health Care and Patient Monitoring System Using Body Area Network
Get PDFA better healthcare system should give better healthcare services to users anywhere in an affordable and comfortably manner. The new patient centered approach is completely different from the old traditional way. In the old way the doctors perform the main role. Patient always needs to visit the doctor for necessary diagnosis and advice. This approach has two problems, first the doctors compulsory should present at place of the patient for 24 hours and second, in the hospital. The patient remains admitted with wired connected biomedical instruments to bedside, for long period of time. The patient friendly approach has received to solve these two problems. To overcome this problem, the patients should be aware of symptoms, disease, diagnosis and precaution. This proposed system reduces the regular visits to doctors, until the patient is critical. This system provides readily available patient monitoring system and disease prediction
FINGER PRINT BASED BIOMETRIC AUTHENTICATION SYSTEM FOR ATM SYSTEM
No full textIn this modern world, technologies are rapidly transforming. The technology provides simplicity and comfort yet in addition brings a major worry for security. So to increase the security to the present ATM framework, biometric and GSM technology can be used. In this paper, we proposed a system in which banker will collect customer’s fingerprint and mobile number while opening accounts and at that point just client will have the capacity to get to ATM machine. The essential advance of this framework is to check as of now filtered unique mark with enrolled fingerprints. If these fingerprints are matched, then an OTP will send to the customer’s mobile using GSM technology. This system needs fingerprint scanner, card reader and raspberry pi is used to interface all components
A Novel Modified P-Q Theory to Control PV-UPQC under Power Quality Issues in Distribution System
Get PDFThis paper deals with the design and performance analysis of a three-phase single stage solar photovoltaic integrated unified power quality conditioner (PV-UPQC). The PV-UPQC consists of a shunt and series connected voltage compensators connected back to back with common DC-link. The shunt compensator performs the dual function of extracting power from PV array apart from compensating for load current harmonics. The system incorporates clean energy generation along with power quality improvement thus increasing functionality of the system. The fundamental frequency positive sequence (FFPS) components of voltages at the point of common coupling (PCC) are extracted using generalized cascaded delay signal cancellation (GCDSC) technique which are then used in p-q theory based control to estimate reference signals for the PV-UPQC. The series compensator compensates for the grid side power quality problems such as grid voltage sags/swells. The compensator injects voltage in-phase/out of phase with point of common coupling (PCC) voltage during sag and swell conditions respectively. The proposed system combines both the benefits of clean energy generation along with improving power quality. The steady state and dynamic performance of the system are evaluated by simulating in Matlab/Simulink under various loading conditions like nonlinear load, Induction motor, sudden changes in loads connected and faults
Automization of Rationing System
Get PDFIn this system the proposed concept is to replace the manual work in public distribution system. India’s PDS is the largest retail system in the world. Ration distribution is one of controversial issues that involves corruption and illegal smuggling of goods. All these things happen because all the work at ration shop involves manual intervention. The illegal activities like, wrong entry in register about amount of product in the shop, selling the products in other shop with high rates, adding impurities to the grains. People don’t have the idea about how much grain is allotted to them for this munch. [3]In this paper we are automizing the distribution system at the ration shop as well as we are maintaining the database at one main control station and updating the database so that the shopkeeper do not cheat the poor people. RFID tag is used for authentication and the automatic distribution is done with microcontroller. [1]For updation GSM is used. [4]Along with updation GSM is used to alert the customer about the arrival if goods The word automation means doing the particular task automatically in a sequence with faster operation rate and more precisely or accurately. This requires use of microcontroller along with communication network and some relevant software programming. The concept is to automate the PDS, A Government Of India initiative process in which a fixed amount of in the shop and to inform that Govt. has allotted this much quantity for the
A novel approach to design Smart Home Architecture in Energy Efficient way based on IOT-A Survey
Get PDFInternet of things represents a new milestone in computing in which devices are connected to the Internet and use internet to communicate with each other. The connection between “Things” of internet needs huge amount of data transfer and analysis for successful results and justify their role by reducing human effort. The amount of information used in IOT plays an important role in the quality of system. Huge amount of information leads to better results but requires a lot of energy and less amount of information does not allow system to be up to the mark .There has to be a tradeoff between the amount of information and energy consumption along with no compromise in area covered. In this paper, we survey solutions for the very well known and understood problem of energy management in Internet of Things. First we provide briefing about the various techniques used for componential energy efficiency. Then we propose our architecture for energy efficiency encapsulating the whole system. Then we dive deeper into the architecture covering important features of the same
A Nine bit Mach Zehnder Interferometer based Comb Shaped Optical True Time Delay Line for Antenna Beam forming
No full textA nine bit comb shaped delay line consisting of Mach Zhender Interferometer (MZI) and MMI coupler is realized on Silicon platform at 1550nm.The device spans 35μm and offers a variable delay from 5fs to 40fs.Simulated Insertion loss of the device is -25dB. FDTD method is used for the analysis. The delayed signal is fed to the antenna array and the variation in the radiation pattern is observed
A DISCRIMINATING FACTORS TO MEASURE PROPAGATION OF CASCADING FAILURES IN THE POWER SYSTEM
No full textThe most challenging problem for the design and implementation of a defense system is performance in accuracy and speed in a real time environment. For instance, the relay can differentiate between actual faults and load encroachment and be blocked. To calculate the overloads occurring due to the outages and measure propagation of cascading failures across a transmission network a sensitivity factors based generation shift factors (GSF) and line outage distribution factors (LODF) can be used. It is proposes a new methodology DFCA to distinguish line overloads from actual faults and to measure the “Discriminating” factors the sensitivity based power flow analysis can be used for distance relays. The main purpose of this proposed algorithm is to improve disturbance monitoring and system event analysis for discrimination between load encroachment and real system faults. The cascaded events can be measured in a sample-6 bus power system interconnected network and work has been carried out in MATLAB- environment