This paper deals with a dynamical analysis of a supercapacitor based multilevel inverter. In Fact, applications for multi-level inverters based on supercapacitors include uninterruptible power supplies (UPS), grid-tied renewable energy systems, ...

It is necessary to guarantee the order of write requests being written into the storage device for the filesystem consistency. fsync() guarantees the consistency of the filesystem by the flush-based synchronization technique. There have been the various ...

An energy-harvesting system requires an energy-storing device to store the energy retrieved from the surrounding environment. Rechargeable batteries are commonly used to store this energy; however, because of the limited number of charge/discharge ...

In this work, the design of a hybrid DC power system for pulse load applications is considered. In micro grid power systems, pulse loads are particularly problematic since the load short-time power demands are very high and the total system inertia is ...

Sensor mission assignment involves matching the sensing resources of a wireless sensor network (WSN) to appropriate tasks (missions), which may come to the network dynamically. Although solutions for WSNs with battery-operated nodes have been proposed ...

This working paper introduces a multi-source energy harvesting powered acoustic emissions (AE) monitoring system for the applications of rotating machine fault detections. This wireless sensor prototype records the AE signal at approximately 200KHz ...

Energy harvesting is a promising technique to overcome the limitation imposed by the finite energy capacity of batteries in conventional battery-powered embedded systems. In particular, the question of how one can achieve full energy autonomy (i.e., ...

In this paper, we propose a novel framework for energy and workload management in multi-core embedded systems with solar energy harvesting and a periodic hard real-time task set as the workload. Compared to prior work, our energy management framework ...

High-precisely and quickly measuring supercapaci-tor capacitance is necessary to improve the performance and quality of super capacitors, to decrease capacitance deviation and to enhance reliability and life expectancy of groups of supercapacitor. Based ...

EscaCap is an energy harvester that uses a boost-up charge pump to perform maximum power-transfer tracking (MPTT) while charging a reservoir supercapacitor array (RSA) with a reconfigurable topology. Unlike buck-down type harvesters, the voltage-...

Singular fractional linear systems and electrical circuitsA new class of singular fractional linear systems and electrical circuits is introduced. Using the Caputo definition of the fractional derivative, the Weierstrass regular pencil decomposition and ...

It is important to maintain high efficiency when charging electrical energy storage elements so as to achieve holistic optimization from an energy generation source (e.g., a solar cell array) to an energy storage element (e.g., a supercapacitor bank). ...

The purpose of this paper is to carry out a comprehensive study of supercapacitor in the application of power electronics. According to the practical demand and feasibility of power electronics, the modelling, voltage management and topology of ...

The paper treats an experimental study of supercapacitors for power electronics applications. When designing a supercapacitor-based power system, the terminal behavior of supercapacitor and voltage balancing strategy are two important factors to be ...

For most wireless sensor networks, one common and major bottleneck is the limited battery lifetime. The frequent maintenance efforts associated with battery replacement significantly increase the system operational and logistics cost. Unnoticed power ...

The article deals with PSIM simulation results of the regenerative energy storage process with supercapacitors installed on the renewed Tatra T3A tramcars. Bidirectional supercapacitor’s current controller is connected to the filter capacitor of the ...

This paper describes a supercapacitor-operated, solar-powered wireless sensor node called Everlast. Unlike traditional wireless sensors that store energy in batteries, Everlast's use of supercapacitors enables the system to operate for an estimated ...

In this study, performances of hybrid supercapacitor with electrodes of RuO₂/carbon were investigated. Two preparation methods adopted were the RuO₂ deposition after activation of the carbon nano-fibers and activation of RuO₂/carbon composite nano-...

This paper describes a supercapacitor-operated, solar-powered wireless sensor node called Everlast. Unlike traditional wireless sensors that store energy in batteries, Everlast's use of supercapacitors enables the system to operate for an estimated ...