Mihaela Hnatiuc

ORCID: 0000-0002-0410-0530
Publications
Citations
Views
---
Saved
---
About
Contact & Profiles
Research Areas
  • Smart Agriculture and AI
  • Underwater Vehicles and Communication Systems
  • Marine Biology and Environmental Chemistry
  • Horticultural and Viticultural Research
  • IoT-based Smart Home Systems
  • Plasma Applications and Diagnostics
  • Context-Aware Activity Recognition Systems
  • Electrical Fault Detection and Protection
  • Metal and Thin Film Mechanics
  • Water Quality Monitoring Technologies
  • Advanced Battery Technologies Research
  • Risk and Safety Analysis
  • Sensor Technology and Measurement Systems
  • IoT and Edge/Fog Computing
  • Hand Gesture Recognition Systems
  • Food Supply Chain Traceability
  • Robotics and Automated Systems
  • Advanced Chemical Sensor Technologies
  • Combustion and Detonation Processes
  • Plasma Diagnostics and Applications
  • Surface Modification and Superhydrophobicity
  • Maritime Navigation and Safety
  • Spectroscopy and Chemometric Analyses
  • Robotics and Sensor-Based Localization
  • Plant Pathogens and Fungal Diseases

Constanta Maritime University
2016-2025

Mircea cel Batran Naval Academy
2014-2018

Gheorghe Asachi Technical University of Iași
2004-2014

In this research, we proposed a novel 14-layered deep convolutional neural network (14-DCNN) to detect plant leaf diseases using images. A new dataset was created various open datasets. Data augmentation techniques were used balance the individual class sizes of dataset. Three image used: basic manipulation (BIM), generative adversarial (DCGAN) and style transfer (NST). The consists 147,500 images 58 different healthy diseased classes one no-leaf class. DCNN model trained in multi-graphics...

10.3390/app12146982 article EN cc-by Applied Sciences 2022-07-10

The evolution of multipurpose sensors over the last decades has been investigated with aim developing innovative devices applications in several fields technology, including food industry. integration such packaging technology paved way for intelligent packaging. These integrated systems are capable providing reliable information about quality packed products during their storage period. To accomplish this goal, packs use a variety suited monitoring and safety by recording parameters like...

10.3390/sym11030374 article EN Symmetry 2019-03-13

The Internet of Things (IoT) has gained significance in agriculture, using remote sensing and machine learning to help farmers make high-precision management decisions. This technology can be applied viticulture, making it possible monitor disease occurrence prevent them automatically. study aims achieve an intelligent grapevine detection method, IoT sensor network that collects environmental plant-related data. focus this is the identification main parameters which provide early information...

10.3390/bioengineering10091021 article EN cc-by Bioengineering 2023-08-29

This study aimed to develop an autonomous design system for recognizing the subject by gait posture. Gait posture is a type of non-verbal communication characteristic each person, and can be considered signature used in identification. diagnosis. The helps aging or disabled subjects identify incorrect recover gait. gives information identification using leg movements step distance as parameters. In current study, inertial measurement units (IMUs) located mobile phone were provide about...

10.3390/electronics10070852 article EN Electronics 2021-04-02

In this paper, we propose an obstacle avoidance system that uses a fuzzy logic control algorithm, for mobile robots use inexpensive IR sensors in order to guide the robot through unknown environment. The is programmed Python, utilizes one total and self-contained. There are many systems made past which used navigate territory. However, those devices either required wireless connection between base station, or said expensive itself around, such as ultrasonic sensors, multiple parallel achieve...

10.1117/12.2643502 article EN 2023-03-02

Abstract The electric discharge generated between the electrodes of a classic spark plug could not assure fast and total combustion air – hydrocarbon mixture. To be able to improve quality process through ignition system improvement it is necessary have complete diagnostic produced by plug, from physical chemical point view. This work presents comparative study reduced field vibrational temperature for in at atmospheric pressure, as functions pulses widths applied power supply. was...

10.1002/ctpp.201300059 article EN Contributions to Plasma Physics 2014-03-24

Calibration is the process of obtaining most accurate sensor data. The MQ gases sensors are produced to measure different types gas at same time but datasheet formula for calibration poor. To solve this problem, one thing do know what it measured substance and identify formula. article presents a method calibrating using LabView. acquisition system consists in network, which transmit data an board computer. identification equation used calibrate sensors. methods linear regression samples compare.

10.1109/siitme.2018.8599253 article EN 2018-10-01

Along the pregnancy, fetal heart rate (FHR) can be monitored noninvasively using Doppler ultrasound. Unfortunately, this technique is inaccurate and provides a relatively low positive predictive value. Performing electrocardiogram (FECG) waveform analysis it obtained useful information about physiological state of fetus. FECG extracted from abdominal (aECG) recordings by means multiple electrodes placed on abdomen mother. The main research goal present paper to extract fECG signals...

10.1109/ehb.2015.7391357 article EN 2022 E-Health and Bioengineering Conference (EHB) 2015-11-01

The different algorithm of data classification and clustering to identify the subject on room is introduced. aim provide a learning approach for pattern presence sensors data. focus system its application find best method identification location using specific category simulated. main features include: automatic rule generation, ranges adaptability capability. Simulation values concerning cluster methods results are presented. successfully detected in X Y axes body temperature. Its response...

10.1109/atequal.2010.11 article EN 2010-07-01

A double element 900 bent monopole antenna system with mushroom-like electromagnetic band-gap (EBG) structures introduced between elements has been studied in this paper using a Finite Element Method (FEM) order to demonstrate the concept of EBG mutual decoupling. The were designed have band gap centered around bandstop frequency 2.45 GHz. coupling coefficient s21 was simulated over range frequencies for some specific designs and electric field distribution on XY plane optimal design also...

10.1109/ehb.2015.7391559 article EN 2022 E-Health and Bioengineering Conference (EHB) 2015-11-01

Corrosion in marine environment is an actual problem, being a complex dynamic process influenced mainly by physical, chemical, microbiological and mechanical parameters. Around 70% of the maintenance costs ship are associated with corrosion protection. Times for related to this phenomenon greater than 80% total repair. Reducing cost would be significant saving, effective treatment can reduce times ships repairing. Biofouling main cause its reduction different methods could applied,...

10.1117/12.2070233 article EN Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE 2015-02-20

10.1117/12.2070236 article EN Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE 2015-02-21

In this paper we propose an ROV system (remotely operated vehicle) equipped with sensors and camera to monitor the marine life offer impact estimation for placement of oilrigs in Black Sea reservoir. The robot is a low resolution analogue real time image used by pilot HD video recording ecosystem; (IMU pressure sensor) are also helping maneuver unit. All electronic components mounted on specially designed frame using AutoCAD made 3D printer. They will be placed watertight enclosure that can...

10.1109/siitme.2016.7777249 article EN 2016-10-01

The new technology using IoT (Internet of Think) is very used in smart farm. studies for developing intelligent farm are underway all countries. In Romania the sensors on field to supervised plants. This paper present a study about disease identification vine network. placed two regions Murfatlar which have altitude differences. parameter collected compared and corelated. data sent Azure cloud LORA protocol communication. processing TensorFlow, open source software.

10.1109/siitme53254.2021.9663649 article EN 2021-10-27

Since the spark produced by classic plug does not always ensure a complete and efficient combustion, various other types of plugs have been proposed for internal combustion engines (ICE). Among these different technical solutions found to be effective: pulsed LASER ignition, [1], system with multi ignition points, [2], electrical Corona or GlidArc discharges, [3], [4], — electrodes plug, developed Bosch, [5], pulse jet combustor etc. We propose an double spark, achieved placing between high...

10.1109/optim.2014.6851006 preprint EN 2014-05-01

The intelligent sensors used to detect the subjectpsilas behavior are classified on priority levels, superior and inferior. levels might work in parallel or not. Which level is decided by system function of that event. communication modes between presented this paper. parallel/distributed structure introduced because sensor parallel. Testing an embedded system, for a node Microsystems detailed final part

10.1109/at-equal.2009.27 article EN 2009-07-01

The opportunity for the future engineers direct hands-on work in projects and liberty of trying their solutions to apply personal ideas with a large variety electronic components, it will lead progress everyday life generations. In this paper we present remote controlled ROV (Remotely Operated Vehicle) based on Arduino Mega 2560 microcontroller which acquired sensors data controls direction acceleration. For localization is used Global Positioning System (GPS) module an Inertial Measurement...

10.1109/siitme.2017.8259920 article EN 2017-10-01

The different assessments provide information on the best methods to approach an artifact. presence and extent of potential threats archaeology must also be determined. In this paper we present underwater robot, built in laboratory, able identify artifact get it surface. It is remotely operated vehicle (ROV) which can controlled from shore, a boat or control station communication possible through Ethernet cable with maximum length 100 m. robot equipped IP camera sends real time images that...

10.1117/12.2243037 article EN Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE 2016-12-14

The population alarm systems do not represent a new concept. Since hundreds of years ago the man used either smoke signals generated from certain upper locations, visible long distance, getting through acoustic placed on high buildings, until now when mass-media channels extended possibilities by television and radio. However, one those mentioned above requested individual to be located at alarming moment in area action alarm. Otherwise, message has no efficiency. This limitation is...

10.1117/12.2243013 article EN Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE 2016-12-14

In the last 30 years, new electrical devices capable of detecting electric arc have been introduced. 90s Arc Fault Circuit Interrupters were used in USA but lately such are widely Europe. At moment, almost all equipment manufacturers make their own version devices, called Detection Devices. These identify fault signature undesired arc, produced different configurations respect to circuit charge, and disconnect from power supply according specific demands. This means studying symmetry current...

10.1109/epe56121.2022.9959773 article EN 2022 International Conference and Exposition on Electrical And Power Engineering (EPE) 2022-10-20

Nowadays, smart farming technology is evolving very rapidly. Plant disease monitoring and controlling methods for agriculture are studied in many research laboratories worldwide. In this paper a novel IoT (Internet of Thing) system architecture based on intelligent sensors environment parameters presented. The connected two nodes which send data through radio waves using LoRa. A gateway to the Fog receives then sends it Cloud. characteristics multi-connectivity detailed paper. aim prevent...

10.1109/icint55083.2022.00015 article EN 2022-05-01

This paper presents a system for identifying the travel route using mobile phones. The uses acceleration and tilt sensors from two phones to help navigate on familiar path. purpose of is correct course subject while traveling. In order provide better monitoring elderly or patients, can be used in spaces that lack satellite signal helps people with disabilities such as blind scuba divers. simple use are universally available. distance, azimuth data analysis. Data collected by processed MATLAB...

10.1109/sped.2019.8906550 article EN 2019-10-01

The electronics designing process exceeded the simple level of developing projects based on empirical approaches, when for every single change tremendous cost in time and money was spent most cases. Moving design from real to virtual world changed engineering perspective what can be done less time. As previous discussed [9], [12], signal integrity power analysis become more recommended current electronic designs developed around world. Combining high frequency component density designs,...

10.1109/siitme.2014.6967005 article EN 2014-10-01

10.7763/ijmo.2017.v7.587 article EN International Journal of Modeling and Optimization 2017-06-28
Coming Soon ...