- Multilevel Inverters and Converters
- Advanced DC-DC Converters
- Sensorless Control of Electric Motors
- Electric Motor Design and Analysis
- Advanced Battery Technologies Research
- Electric and Hybrid Vehicle Technologies
- Silicon Carbide Semiconductor Technologies
- Microgrid Control and Optimization
- Electromagnetic Compatibility and Noise Suppression
- Electric Vehicles and Infrastructure
- Advanced Malware Detection Techniques
- Induction Heating and Inverter Technology
- Photovoltaic System Optimization Techniques
- Advancements in Battery Materials
- Energy Harvesting in Wireless Networks
- Real-time simulation and control systems
- Supercapacitor Materials and Fabrication
- Electromagnetic Compatibility and Measurements
- Wireless Power Transfer Systems
- Magnetic Properties and Applications
- Iterative Learning Control Systems
- Magnetic Bearings and Levitation Dynamics
- Fuel Cells and Related Materials
- Model Reduction and Neural Networks
- Network Security and Intrusion Detection
Università degli studi di Cassino e del Lazio Meridionale
2015-2024
University of Naples Federico II
2002
A fully integrated board for resolver-to-digital conversion is proposed in this paper. It based on a combined analog/digital circuit, which allows one to track the shaft angle of standard resolver digital form. Furthermore, also provides feeding signal resolver-rotor circuit. All tuning and configuration settings, allow adapt different kind resolvers system, can be easily implemented directly board. The final assembly compact low-cost converter. entire design implementation are described In...
The performance of Voltage Source Inverter (VSI) is affected by power semiconductor nonlinearities, dead time, and control delay. compensation these nonlinear effects necessary to meet requirements in terms current quality high efficiency, especially for grid-connected conversion systems. In this paper, the nonlinearities are widely analyzed a new technique steady-state current-controlled VSI proposed. It based on step-by-step voltage basis error evaluated within each interval. As result,...
A Multi-Source Electric Vehicle Charging Station (MS-EVCS) is a local entity that combines the grid energy with Distributed Energy Resources (DERs) aim of reducing impact due to electric vehicles (EVs) charging events. The integration stationary and in-vehicle Storage Systems (ESSs) in MS-EVCSs has gained increasing interest thanks possibility storing at off-peak hours be made available peak-hours. However, ESS technology vehicle-to-grid (V2G) concept show several issues cost, battery life...
Cyber security is one of the most crucial aspects Internet Things (IoT). Among possible threats, great interest today paid toward capturing information caused by external attacks on both client and server sides. Whatever IoT application, involved nodes are exposed to cyberattacks mainly through vulnerability either sensor themselves (if they have capabilities for networking operativity) or gateways, which devices able create link between local network, wide area networks. Due low-cost...
A novel high-efficiency space vector modulation (SVM) strategy is proposed in this paper. It based on the simultaneous and combined use of two strategies. The former consists commutating only one switch each inverter leg within period. In way, there no need to impose dead time. latter performs a step-by-step change frequency order reduce distortion output voltage. system has been implemented carried out programmable logic device (PLD) digital board. For validation, an experiment set up...
A predictive algorithm is presented in this paper, which allows the compensation of dead-time effects a voltage-source inverter feeding an induction motor, with space-vector pulsewidth modulation. It based on modification reference space vector voltage according to step-by-step analytical prediction stator phase currents. In way, dead time can be taken into account and compensated. The validity feasibility proposed are confirmed by simulation proved experimental implementation.
A digital modulation technique for cascaded inverters, which allows achieving high performance with low power losses, is proposed in this paper. It consists a variable slope-fixed band current hysteresis control applied to voltage source inverter structure, fed by single dc source. The can be used supply ac motors, as well generic loads. considerable reduction of the switching losses achieved, without increasing total harmonic distortion on load side. This result has been validated means...
The adoption of the smart and sustainable charging infrastructures for electric vehicles (EVs) represents a key-point to accelerate electro-mobility uptake. This paper presents an optimal power flow management micro-grid that minimizes cost reduces impact on grid EVs requests. goal is achieved by means integration control renewable energy, stationary energy storage system, V2G into infrastructure. In particular, solves stochastic multilayer optimization problem based definition different...
A predictive algorithm is presented in the paper, which allows compensation of dead time effects a voltage source inverter feeding an induction motor, with space vector PWM. It based on modification reference according to step-by-step analytical prediction stator phase currents. In this way can be taken into account and compensated. The validity feasibility proposed are confirmed by simulation proved experimental implementation.
Recent developments in the field of supercapacitors make very promising use these equipments a large range applications. In particular, it is useful to introduce all drive applications, which an energy recovery possible. this paper, predictive control supercapacitor storage system proposed and tested automatic warehouse. Experimental results show increased performances systems thanks capability.
This paper presents a fuel cell (FC)–supercapacitor traction drive and its power control. The proposed solution allows increasing efficiency performances of an FC-based powertrain by means dual cascaded voltage source inverter supercapacitor bank. An optimal control algorithm avoiding the fast transition FC output under whatever operating condition. It is based on five operation modes, which are selected as function actual request. way, both peaks slopes controlled during vehicle...
This paper deals with the optimal sizing and power flow control for grid-connected multi-source converter system EV charging infrastructure integrated energy storage system. The of conversion is based on cost-benefit analysis which takes into account several factors to define e-mobility scenario different topologies units. proposed solution allows minimizing impact processes electric grid as well their cost by means suitable use a renewable source an
The passive balancing (PB) circuits are still the most common solution for voltage equalization of series-connected battery cells due to higher reliability, lower cost and control simplicity compared active (AB) ones. PB usually designed considering a desired time constraints on size power dissipation resistors. However, performance strongly depend technology as well imbalance condition between charged cell least one pack. Therefore, additional parameters need be considered optimizing design...
H∞ optimisation synthesis is a very important and powerful tool for designing robust controllers. The authors consider the position control of DC drive using H∞-control theory. It applied to design controller drive. In particular, problem finding an 'optimal' considered. validity procedure robustness proposed are verified by means computer simulation experimental analysis.
In last years the multilevel converter topologies have gained much attention both in field of scientific research and one high power applications. This paper proposes a comparative analysis between classical structure Neutral Point Clamped (NPC) emerging Active NPC converter. particular, numerical losses distribution among devices for some known carrier based PWM techniques are reported case ANPC topology. Furthermore, experimental results concerning design implementation Three-Phase...
Today, cyber security is a very critical issue to be addressed at several levels for minimizing the effects and consequences of attacks. In last decade many coun-termeasures intrusion detection systems (IDSs) have been developed facing this important issue, keep always high level security, all (both hardware software features) should continuously updated.
This paper deals with the design and implementation of a passive modular battery management system (BMS) for high power packs, designed motorsport applications. The structure BMS is composed board balancing cells control based on Texas Instruments <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">®</sup> BQ76PL455-Q1 device. proposed to meet restricted specifications motor racing application like E-Kart. In detail, an optimized algorithm proposed,...
This paper deals with a new adaptive balancing control algorithm for passive and distributed Battery Management System (BMS) automotive applications. A calibrated first-order model the battery cells thermal of BMS slaves unit have been considered in development proposed control. It performs process by managing temperature slave unit. Taking into account constraints system, dynamically selects number to be balanced each module optimal units order minimize equalization time. deep numerical...
This paper deals with a compensation technique for non-linear behaviour of single phase modular multi-level power converter, feeding electric vehicle fast charging station split integrated energy storage system. The proposed method calculates the voltage on basis error between reference and real currents. It allows highly improving harmonic content grid current in steady-state conditions within period fundamental.
Abstract A novel modulation technique for optimizing the performances of voltage source inverter feeding induction motor drives is presented. It based on a variable frequency technique, changing step-by-step switching power modules in order to achieve reduction both losses and output distortion. In addition, this combined with “single switch commutation” one, which allows reduce blank time imposition during switches commutations. The proposed strategy has been implemented by means digital...
Nowadays, the series-parallel (SP) and parallel-series (PS) configurations represent main architectures considered for designing a battery pack. In both architectures, cell-to-cell parameters' variations due to manufacturing tolerances, thermal gradients, cell degradation can strongly impact overall performance of packs. However, effect parameter variation on pack changes depending architecture number cells. This manuscript aims at providing method assessment potential different aging...
In this paper, the full implementation on a combined analog-digital board of resolver-to-digital conversion is proposed. It represents low cost solution for measuring position by means standard resolvers. Some experimental results are presented and comparison with performances achieved an incremental encoder performed.
A general approach to torque and flux control of an induction motor fed by a voltage-source inverter is described in this paper. It independent whether rotor or stator controlled. Based on this, algorithm can be set up which allows the generation switching patterns as function reference values, both electromagnetic controlled flux. Experimental comparisons with traditional direct field-oriented techniques confirm possibility achieving very high dynamic performance proposed strategy.
In this paper a novel and high efficiency conversion system based on Supercapacitor Recover System (SRS) Power Factor Correction circuit (PFC) is proposed tested. It allows to greatly improve the performances of motion systems for residential application, such as elevators, both in terms energy power demand, allowing compliance with recents international standards quality.