A5015236311- Advanced DC-DC Converters
- Photovoltaic System Optimization Techniques
- Sensor Technology and Measurement Systems
- Analog and Mixed-Signal Circuit Design
- Electrical and Bioimpedance Tomography
- Advanced Battery Technologies Research
- Non-Destructive Testing Techniques
- Innovative Energy Harvesting Technologies
- Silicon Carbide Semiconductor Technologies
- Microgrid Control and Optimization
- Advanced Sensor and Energy Harvesting Materials
- Aerosol Filtration and Electrostatic Precipitation
- Advanced Electrical Measurement Techniques
- Magnetic Field Sensors Techniques
- Earthquake Detection and Analysis
- RFID technology advancements
- Geophysical and Geoelectrical Methods
- Mineral Processing and Grinding
- Electromagnetic Compatibility and Noise Suppression
- High voltage insulation and dielectric phenomena
- solar cell performance optimization
- Power Line Communications and Noise
- Transport Systems and Technology
- Lightning and Electromagnetic Phenomena
- Low-power high-performance VLSI design
Aristotle University of Thessaloniki
2019-2024
Technical University of Crete
2022
The design process of an integrated bandpass filter targeted for the noise filtering stage synchronous demodulation unit electric field mill sensor interface is presented. purpose this study integration techniques to avoid challenging and, in some cases, impossible passive element and incorporate final entirely sensing system with superior performance optimized silicon-to-cost ratio. Four different CMOS implementations 0.18 μm XFAB, using OTA (Operational Transconductance Amplifier)-based...
This paper focuses on the design of a low-voltage power converter for an on-chip PV cell-level inverter. Various topologies are discussed DC/DC stage, whereas ZVS quasi-resonant boost and synchronous considered most appropriate this application. Both aforementioned modeled evaluated in terms efficiency, by aid PSpice simulations. Due to requirements limitations available 0.18 μm CMOS process technology, is finally chosen as solution. As DC/AC H-bridge inverter configuration selected, simple,...
In this paper a proposed soft start-up mechanism for limiting the input inrush current is presented. The basic idea behind involves skipping of clock pulses Charge Pump, which used to drive gate MOSFET switch in path converter. limitation scheme utilizes mainly active devices making it attractive on-chip integration. Simulation results HV CMOS 180nm technology exhibit maximum magnitude less than 500mA over process-voltage-temperature corners.
This paper presents the analysis and design procedure of a low voltage, reconfigurable, on-chip DC/DC - DC/AC power conversion system for PV applications. The whole work is carried out in context novel smart development, which based on integrated cell inverters. Various converter topologies are investigated order most appropriate stages to be selected. synchronous boost H-bridge inverter preferred solution, terms complexity, efficiency cost. specifications given, along with theoretical...
The development of a Smart Photovoltaic (PV) cell is presented in this paper, which comprises an on-chip PV cell-level power processing system with advanced capabilities, such as individual Maximum Power Point Tracking (MPPT) and energy management, flexible interconnection both AC and/or DC grids/loads monitoring the cell. design manufacturing process integrated circuit (IC) for management detail. Finally, experimental results on fabricated IC are presented, indicating its functionality performance.
Distributed power generators and converters are widely incorporated in modern microgrid smart grid structures, which require data links among the source load sites for monitoring control. This paper proposes a novel line communication (PLC) system design fabricated an integrated circuit using XFAB XH018 0.18μm CMOS technology to enable linking capabilities such decentralized units. The proposed on-chip PLC can be used cascaded H-bridge connected on common DC or AC bus without requiring...
An overview of the electric field mill sensor specifications in applications related to measurement atmospheric was conducted. The different design approaches interface are presented and analyzed, while sensitivity-related parameters a discussed. non-complex analog that can be employed for both fair foul weather conditions, such as thunderstorms, is implemented using discrete components experimental validation optimized an integrated version terms noise power consumption. Advanced...
A self-powered piezoelectric sensor interface employing part of the signal that is not intended for measurement to sustain its autonomous operation was designed using XH018 (180 nm) technology. The aim proposed circuit, besides energy self-sufficiency sensor, provide an eliminates effect harvesting process on output which contains context data. This achieved by isolating desirable sensing from so former affected or distorted latter. Moreover, circuit manages self-start operation, no...
Two 3V folded-cascode operational amplifiers with low noise and power consumption were presented. The op-amps are suitable as preamplifiers for an electric field mill sensor interface. two differ in their input stages, the first one having a pmos differential pair second being implemented rail-to-rail configuration. A optimization was performed configurations focused on low-frequency domain applications, where flicker is main source of noise. Advanced simulations final circuits compared 0.18...
In this paper an improved current sensing technique suitable for DC-DC Boost converter is proposed. Its principle of operation based on exploiting the DC resistance (R <inf xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">DCR</inf> ) input inductor L to detect by voltage drop across it. A highly linear differential G xmlns:xlink="http://www.w3.org/1999/xlink">m</inf> -transconductor and a V-I along with integrator are utilized further process produce...
The measurement of electric field for applications where atmospheric/meteorological phenomena are examined, as well in industry applications, provides a great amount information regarding lightning incidents and safety margins. In this paper, the mill sensor - prominent employed measurements was studied, an interface circuit designed successfully tested. More specifically, two-stage amplification which comprised charge amplifier to voltage conversion inverting further fine tuning. A low...
In this paper, the challenges of designing a boost converter in standard CMOS technology are discussed. Based on theoretical calculations, which take into consideration characteristics used, efficient solutions proposed to overcome current-stress limitations as well power dissipation issues. Following these guidelines, test DC-DC converter, designed and fabricated 0.18um process is presented, along with experimental results.
An ultra-low power, piezoelectric sensor interface circuit for Weigh-In-Motion applications is presented. It optimized energy-autonomous vehicle-weight measuring systems in road monitoring and can be combined with any type size of device. Whenever the output voltage used exceeds a predefined threshold level, activated, area integral detected pulse. A low-power microcontroller unit calculation use obtained weight measurements. The was implemented combination discrete analog circuits...