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In order to develop the ejector refrigeration systems (ERS) driven by waste heat of automobile, it is necessary to systematically investigate the potential waste heat recovery from automobile. In this paper, a performance analysis by the theoretical approach to evaluate and predict the heat recovery process is conducted. And a heat pipe heat exchanger (HPHE) based recovery experimental platform is...Show More
In the background of clothing products online shopping, data of 276 service failure experienced consumers had been collected through online survey. The aim of this study was to investigate the influence mechanism of service recovery strategies (compensation, recovery speed, apology and recovery initiation) on recovery satisfaction (RS) and behavior intentions (BI) (Word-of-Mouth (WOM) and Repurcha...Show More
Service failure and recovery have caught researchers' attention in recent years. However, one important question is still left unanswered: if SRP (service recovery paradox) really does occur. Does it exist or not? Is it industry-specific? A scenario-based experiment was conducted in two service industries, banking and restaurant, to resolve those questions. Results revealed that the likelihood of ...Show More
In this paper we not only discuss how to implement the recovery effect with TMI but also give various examples to show that without considering the recovery effect, the design margin of a system can be either under- or over-estimated. To validate our modeling methodology, the simulation results are benchmarked with measurement data.Show More
This investigation aims at developing a compact model for the embedded diode in Super-Junction MOSFETs applicable for more than 500V bias conditions. It is demonstrated that the reverse-recovery effect is different from the conventional stand-alone pin diode. The reason is the extension of the depletion at the additional p/n junction in the Super-Junction MOSFET under reverse bias applications. Th...Show More
The access to large-scale new energy power generation has caused huge changes in the energy pattern of the power system, and it has also put forward new requirements for system recovery after large-scale power outages. As a type of generator with a sufficiently large proportion, the volatility and randomness of the output of new energy unit have a greater impact on the recovering system. In this p...Show More
In many industries various manufacturing processes require large quantities of energy in thermal form, much of which is exhausted to the atmosphere through chimney in the form of hot flue gasses. The energy losses as waste heat provides largest opportunity for recovering this heat energy which leads to the industrial energy consumption and to contribute in the energy harvesting activity.Energy har...Show More
Net end-of-life aging prediction under realistic use conditions is the key objective for any product aging model. In this paper, a net degradation model is introduced and effects such as recovery, subsequent degradation, frequency, duty cycle, and recovery bias are evaluated. The high-kappa recovery behavior observed is consistent with SiO2 gate stacks, which allows the use of SiO2 models to predi...Show More
With the continuous development of smart grid, communication security become increasingly important. In order to cope with the impact of large-scale natural disasters or malicious attacks on grid communication and ensure the continuous and stable operation of the smart grid, this paper proposes a large-scale failures recovery method for power communication networks based on fault link weight value...Show More
In view of the vulnerability of dependent networks and in order to avoid the huge impact of cascading failures on life, this paper adopts four dependent network recovery algorithms: random recovery (RR), preferential recovery based on local centrality (PRL), preferential recovery based on degree centrality (PRD), and preferential recovery based on connectivity link (PRCL). Using scale-free network...Show More
Modeling the recovery of interdependent critical infrastructure is a key component of quantifying and optimizing societal resilience to disruptive events. However, simulating the recovery of large-scale interdependent systems under random disruptive events is computationally expensive. Therefore, we propose the application of Deep Operator Networks (DeepONets) in this paper to accelerate the recov...Show More
As smart phones usually have large high-resolution screens, many fancy functions, multiple communication modes and interfaces, and powerful processing capabilities, their power consumption is unsurprisingly much higher than traditional voice-centric phones. Unfortunately, the growth of battery capacity is far below the needs of smart phones and new applications, hence it is of great importance and...Show More
In this study, a distinct recovery behavior in Hot Carrier Degradation (HCD), facilitated by Gate Induced Drain Leakage (GIDL), is observed in multi-fin nFinFET devices fabricated on 300 mm wafers using 16/14 nm technology. This recovery behavior is found to depend on the gate voltage (V $_{\mathbf {\text {g}}}$ ) and drain voltage (V $_{\mathbf {\text {d}}}$ ) while keeping the gate-drain voltage...Show More
We have previously studied fatigue and its recovery phenomenon on 64 kbits hafnium-based one-transistor and one-capacitor (1T1C) ferroelectric random-access memory (FeRAM) with PVD-TiN (30 nm)/ALD- Hf0.5Zr0.5O2 (8 nm)/CVD-TiN (50 nm) capacitors. In this study, we characterized a single large capacitor fabricated using the same process as the 1T1C FeRAM to clearly understand the recovery mechanism ...Show More
This paper proposes a fast link recovery mechanism for high-concurrency services based on conflict avoidance in the fifth-generation fixed network(F5G). Results show that the mechanism improves the recovery rate and reduces delay in high-concurrency scenes.Show More
We explored different ways in which a multi-robot system might recover after one robot experiences a failure. We compared four recovery conditions: Update (a robot fixes its error and continues the task), Re-embody (a robot transfers its intelligence to a different body), Call (the failed robot summons a second robot to take its place), and Sense (a second robot detects the failure and proactively...Show More
The spark gap switch is the key element in any pulsed power system, which directly determines the pulse repetitive frequency of the system. The dielectric recovery data of the spark gap play a basic role, but they have not yet been adequately studied for repetitive pulse charge conditions. This paper describes some of the factors that affect the recovery of spark gap switch for pulse-charged opera...Show More
A technology computer-aided design (TCAD) simulation framework of gas desorption induced by self-heating in carbon nanotube (CNT) field effect transistor (FET) gas sensors is presented. Its key feature is the use of temperature profiles extracted from electrothermal simulations to determine the change of the effective gas-induced doping concentration during the gas desorption phase. The approach a...Show More
This paper discusses the characterization of GaN transistors or MMICs under pulsed high-power stress and their recovery behaviour. A fully calibrated measurement setup is introduced where both forward and reflected waves are measured at input and output. In particular, also the effect of trapping due to the RF pulse on for example the insertion phase or input impedance can be measured. Measurement...Show More
A systematic method of providing software system fault recovery with maximal fault coverage subject to resource constraints of overall recovery cost and additional fault rate is presented. This method is based on a model for software systems which provides a measure of the fault coverage properties of the system in the presence of computer hardware faults. Techniques for system parameter measureme...Show More
The lateral diffusion coefficients of the lipid cell membrane molecules of HeLa cells were measured by fluorescence recovery after photobleaching (FRAP) with the irradiation of 0.10 and 0.29 THz continuous waves (~200 mW/cm2). The sample temperature during the THz irradiation was precisely determined by an ultrathin thermocouple. With the THz irradiation, the diffusion of lipid molecules was nonth...Show More
System of systems (SoS), like transportation systems and combat systems, is integrated by a set of independently operating systems that interact with each other to provide an end-to-end capability, which cannot be achieved by individual systems. Resilience is the ability of an SoS to recover to a desired performance level after disruptive events. Even though many measures have been proposed to eva...Show More
As semiconductor chips are widely adopted in mission- or safety-critical application domains, and as the scale of these chips increases dramatically with heterogeneous integration, there is a growing interest in extending the silicon lifetime. This is especially true in scenarios like automotive, data center or medical devices. Even in consumer electronics like cell phones, the cost of the design ...Show More
Oil recovery rates using classical techniques mainly based on injecting water are limited and do not exceed 30%, hence the need to explore alternatives. The present study is a short review concerning the different steps to consider from the laboratory to the real site scales of an enhanced oil recovery using supercritical carbon dioxide. In fact the introduction of this non conventional technique ...Show More
Performance degradation of super-straight type amorphous silicon germanium alloy (a-SiGe) solar cells due to proton irradiation are investigated using an in-situ current-voltage (I-V) measurement system. The results show that a-Si solar cells have higher radiation resistance than a-SiGe solar cells. Also, the room temperature annealing effects immediately after irradiation are investigated. It is ...Show More