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Adrian-Ioan Lita

Adrian-Ioan Lita
AXIPlus · Engineering

PhD Student

About

39
Publications
33,428
Reads
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59
Citations
Additional affiliations
January 2014 - present
Polytechnic University of Bucharest
Position
  • Professor (Assistant)
Description
  • Teaching the following disciplines: - Computer Programming (I) - Data Structures and Algorithms - Object-Oriented Programming - Programming Optimisation Algorithms - Analysis and Processing of Images (with applications in medical field)

Publications

Publications (39)
Conference Paper
Full-text available
In this paper is presented an improved design for an automation module which is dedicated for applications in irrigation systems used in precision agriculture. The architecture of the automation module relies on Arduino Uno development board containing the microcontroller ATmega328P which performs the majority of the control tasks required in the o...
Conference Paper
Full-text available
An increasingly common requirement is related to image analysis and automatic extraction of events “in situ” - on the place where image is acquired - without the need to send the image remotely for analysis. There are integrated systems in the video cameras that allow the analysis of images especially in applications for perimeter monitoring and th...
Conference Paper
Full-text available
The paper presents a solution for monitoring soil moisture parameters and trunk diameter and automatic analysis of their evolution for apple crops. Based on the evolution of the values of these two parameters a determination of the health conditions of the crop is made and then can be elaborated efficient irrigation and fertilization schemes. Ident...
Conference Paper
Full-text available
The paper proposes an intelligent method for real-time monitoring of the evolution of pests in an agricultural crop. The system consists of a pheromone trap, a camera that periodically fetches frames with trap and a data transceiver module where the frame is encapsulated with the date and station id. The data arrives at a server where they are retr...
Conference Paper
Full-text available
In this paper is presented the implementation of a versatile magnetometer which is designed for applications in the field of electrical energy measurement, especially for smart meters used in advanced metering infrastructure. The magnetometer is the key element in a smart meter, performing contactless current sensing for precise power consumption c...
Conference Paper
Full-text available
The aim of this paper is to present the results regarding the simulation and implementation of a digital modem that is intended to be integrated in multipoint data acquisition and control systems which are used for intensive fruit farming applications. For increased efficiency the proposed design is based on the well-known quadrature phase shift ke...
Conference Paper
Full-text available
Given the evolution of electronics technology and electronics equipment, their price has fallen, thus making them affordable for the use in new branches: industry, security, agriculture. In this paper we propose a complete integrated analysis system that can learn – through deep learning algorithm – several templates for one parameter (spatial temp...
Conference Paper
Full-text available
The use of quantum computation, according to theory, can bring substantial improvements to future computing systems. The problem is the still experimental and hardly accessible technology of their implementation. The article presents an original solution for implementing a quantum computing structure emulator. Unlike other types of emulators of thi...
Conference Paper
Full-text available
This paper presents a non-invasive and completely autonomous solution for monitoring the current consumption of an industrial complex. The solution is based on the use of self- harvesting current sensors and wireless data transmission to a local radio network, a gateway from local radio network to LoRa (low power - wide range) as well as to a serve...
Conference Paper
Full-text available
In this paper is presented the design and the prototype implementation of a pneumatic door automation system intended to be used for access control in smart homes. The structure of the developed application is realized around the PIC 16F877A microcontroller which operates together with a pneumatic actuator based on a double acting cylinder controll...
Conference Paper
Full-text available
In this paper are presented the results regarding the implementation of a reliable encoder that is intended to be used in automotive applications for accurately transferring digital signals from different types of sensors, control elements and other peripheral components to a central processing unit. The designed module is capable to operate with v...
Conference Paper
Full-text available
This paper presents an enhanced conditioning and transmission unit aimed for interfacing resistive bridge sensors with remote data acquisition and control systems. The proposed module uses a simple but reliable communication technique based on a combination between frequency and pulse width modulations. This design, based on two transmission method...
Conference Paper
Full-text available
This paper presents a versatile implementation of a reconfigurable module for acquisition and synthesis of modulated signals that are specific to the modern communication equipments. The hardware structure of the system is elaborated mainly around the TDA 8702 high speed video digital-to-analog converter and ADC 0820 analog-to-digital converter, bo...
Conference Paper
Full-text available
In this paper is presented a new approach for implementing a versatile temperature control and monitoring system for thermal enclosures based on Peltier thermoelectric elements. The system is intended to be used for temperature testing of equipped or unequipped electronic printed circuit boards (PCB). These types of tests regarding thermal aging an...
Chapter
Space agencies all over the world are interested today in very small satellites because of their advantages compared to heavier satellites. This chapter starts with the general characteristics, Earth orbits, eclipses and current missions of very small satellites. It continues with a brief summary of the component parts of the electrical power syste...
Chapter
The need for high power density has been the trend of the power conversion industry for many years. The key to obtain a high power density is to increase system’s efficiency. In the case of space applications, there is the same need for high power density but with the very important note that the reliability of the system must not be compromised. I...
Conference Paper
Full-text available
This paper presents an acquisition system for sound recording, typical spectral component identification and extraction of particular instruments from a soundtrack, based on each instrument's spectral components. This system is also capable of sound reproduction (playback) and its main feature consists of minimizing the delay between the recorded s...
Conference Paper
Full-text available
In this paper are presented the results regarding the implementation of a communication interface dedicated for conditioning and remote transmission of measurement signals acquired from sound and vibration sensors. The interface contains two parts, an analog section, responsible with long distance signal transmission and a digital section that real...
Conference Paper
Full-text available
This paper presents an application for remote control of a mobile robot with XBEE wireless communication. The control of the mobile robot is realized by a PC within a software interface or by using a user mobile remote control. The application is implemented in LabVIEW and can be used for robot control and robot movement tracking.
Conference Paper
Full-text available
In this paper are presented the results regarding the design and the implementation of a efficient delta encoder that is intended to be used for conditioning of signals from analogue sensors. In addition is proposed a dedicate circuit architecture for transmission of digitally encoded signals from sensors to remote measurement systems using a very...
Conference Paper
Full-text available
This paper presents an application for generating of all the signals in case of digital televisions corresponding to standard colour bar patterns, from primary RGB signals to YCbCr colour space digital signals. It was implemented in LabVIEW and can represents D1 and D2 format for DTV signals on 8 and 10 bits resolution. The application can be used...
Conference Paper
Full-text available
In this paper are presented the results regarding the implementation and testing of a novel type of remote control based on the data transmission facilities offered by the GSM network infrastructure and the processing power achieved by new generation of microcontrollers. The system is intended to be used in the development of complex distributed co...
Conference Paper
Full-text available
In this article is presented the implementation of a new type of reconfigurable signal generator and simulator used for testing digital transmission circuits that requires complex modulated waveforms. In our experiments we choose as an example the quadrature amplitude modulation or quadrature phase shift keying (QAM/QPSK) signals. The proposed solu...
Conference Paper
Full-text available
This article presents a "smart sound sensor" solution. More specifically it is a system on a chip capable of extracting sound patterns from an input signal captured by a microphone, patterns that correspond to certain musical instruments. The aim is to identify sounds like: voices, ambient sounds or musical sounds. Such applications generally invol...
Conference Paper
Full-text available
This paper presents an application used in educational laboratory for multiple waveform measurement and display, for analysing of the operation of electronically circuits. It was implemented as virtual instrument in LabVIEW and uses a data acquisition card for electrical signals acquisition. The application can be used in educational laboratory for...
Conference Paper
Full-text available
This paper presents a solution to diagnosis printed circuit boards in terms of wiring crossing, based on real-time image analysis. The image is captured using an ordinary video camera (web cam) that is placed above the board while a light source is placed under. The image is processed locally in the FPGA, and bright spots which indicate board cross...
Conference Paper
Full-text available
This paper presents a system of “image sensor” for recognition and counting of shapes present in an image. Result information is provided as identified object, position relative to the lower left corner of the image and the number of objects detected in a certain type of image. In other words, the system functions as a sensor, the image is the entr...
Conference Paper
Full-text available
The Internet of Things era is making hardware projects more accessible than ever to hobby and beginner users. As may of them work on their projects from home, there is a growing need for accessible tools, or even tools that they can build themselves for later use in other hardware projects. The main purpose of this paper is to present an open sourc...
Conference Paper
Full-text available
This article presents a solution for tracking a mobile system using an artificial neural network. The mobile system collects data from the environment using an ultrasonic transmitter and receiver then data is processing using a binary artificial neural network. Some templates have been pre-loaded into the system to avoid blockages or additional rou...
Conference Paper
Full-text available
The color is one of the most important factors for an image description is a comparative study of color spaces RGB, HSV, XYZ, l1l2l3, color image processing and analysis using main methods of transformation and exploitation of color type visual information from images, sets, color space appropriate for the purposes of information retrieval as accur...
Article
Full-text available
This paper will present a converter design targeted to push the performance in respect of efficiency and power density for a 50W Wireless Charger for portable devices. The innovation will come from the topology, magnetic structure and the control method.
Conference Paper
Full-text available
In this paper the authors propose a solution in which an intelligent algorithm - genetic algorithm in our case - is used to generate commands for a robot in real time, so that the robot can determine the optimal moves considering several aspects: route tracking and low power consumption. Genetic algorithms are intelligent solutions for multi-criter...
Conference Paper
Full-text available
The system presented in this paper consists of an image acquisition module from a video camera, an image processing module, which performs conversion to monochrome format, and a neural network that takes the acquired images and performs the extraction of patterns from them. The system proposed by the authors is used for recognizing the orientation...
Article
Full-text available
The paper describes an electronic multiprocessor system that assures functionality of a miniature UAV capable of 3D flying. The apparatus consists of six independently controlled brushless DC motors, each having a propeller attached to it. Since the brushless motor requires complex algorithms in order to achieve maximum torque, efficiency and respo...
Article
Full-text available
This article describes how a three-phase brushless motor can be fully controlled using a microcontroller. The method of control described in the article is scalar control, and the application does not use external sensors (sensorless). A majority function is used to filter the back-EMF voltage output in order to fully determine the motor zero-cross...

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Projects (2)