Generating transferable adversarial examples is a challenging issue in example attacks. Existing works on generation mainly focus models with similar architectures and trained the same data domain. However, practice, information such as model architecture type training domain unlikely to be revealed deployed models. In this work, we introduce Universal Cross-domain Generator (UCG), pioneering framework for that first simultaneously address both cross-domain cross-architecture challenges The...

In dc high-temperature superconducting fault-current-limiter (HTSFCL) operation, epoxy resin used as the current lead insulation withstands voltage. case of lightning stroke or line fault, HTSFCL needs to withstand additional pulse voltage, which is several times greater than that and polarity may be different from It intensifies electric field distortion, induces partial discharge, causes failure. To improve properties lead, epoxy/aluminum nitride (AlN) nanocomposites with filler content...

Deep neural network (DNN) models have been widely used in many tasks due to their superior performance. However, DNN are usually vulnerable adversarial example attacks, which limits applications safety-critic scenarios. How effectively detect examples enhance the robustness of has attracted much attention recent years. Most detection methods require modifying or retraining model, is impractical and reduces classification accuracy normal examples. In this paper, we propose an approach that...

The paper gives an algorithm to simulate the crater topography from a single Charge Couple Device image.Refer Oren-Nayar reflectance model, several parameters of lunar and constraint conditions have been added this new algorithm, also small craters enhanced in frequency domain.Comparing with Tsai's Shape shading other SFS simulation results shown more details topography.

With the development of space technology, topographic study celestial bodies becomes increasingly important.In order to better carry out geomorphologic analysis and landing site selection bodies, terrain classification particularly critical.This paper provides an improved algorithm proved its in identifying lunar mare area highland CCD images with four features used k-means clustering.We chose two typical areas: 'H010' 'SI' areas research.And result is analyzed from different block size...

Due to the rapid development of science and technology, automatic terrain recognition is becom- ing more important. Mare highland are two main lunar units. Quick accurate identifi- cation for mare important basis various researches. This paper provides an improved algorithm, that is, gushing immersion algorithm based on DEM CCD image, which can better determine highland. Two typical areas terrain, SI Crisium had been chosen do research. The testing results shown effectively recognize overall...

Adversarial example attacks are deemed to be a serious threat deep neural network (DNN) models. Generating adversarial examples in white-box settings has been well-studied, however, it remains challenging generate transferable that successfully attack black-box This work proposes Foolmix, novel method for generating attacks. The design of Foolmix is inspired by our observation with high transferability usually carry multi-class features the latent space DNN Thus, we propose dual-blending...

Aiming at the fatigue failure of IGBT module package, evolution process weak link- bond wire and solder layer is studied. For failure, cracks The variation law in analyzed by resistance as characterization parameter crack evolution. growth voids effects on junction temperature stress are analyzed, two void modes given. Taking thermal evolution, analyzed. results show that has little effect initial stage crack, grows to a certain extent, equivalent will expand rapidly, causing fail; under...

Circuit breaker is the most important control and protection equipment in power system, one of high-voltage circuit which has large number, big maintenance volume high cost. Blindness periodic system easy to introduce new fault risks, reduce device reliability. To ensure safe operation electrical equipment, it necessary run diagnosis for voltage breaker. In this paper, first assignment design hardware failure monitoring module. The structure with dual-MCU built up DSP dual-CPU used as...

At present, static synchronous compensator (STATCOM) has the problem of switching harmonics generated by device, this paper proposes a better method that cascade multilevel inverter as master topology STATCOM combines SPWM (CPS-PWM) modulation, and describe working principle control methods. This can effectively eliminate high low harmonics, obtain output voltage waveform. Finally, through MATLAB simulation, it found reduce power consumption; also doubly improve equivalent carrier frequency,...

Since capacities of microgrid in large-scale enterprises are small, as well power electronic interfaces used between micro sources and microgrid, operation is more easily affected by harmonics. An electroplate factory has been chosen the research object this paper to analyze main harmonics which includes non-linear loads penetration from distribution system. A model constructed with PSCAD, frequency scanning method estimate possibility parallel resonance factory.

The characteristic parameters of the series valve SCR (Silicon Controlled Rectifier) will deviate inevitably with growing working time. fault components must be determined in shortest time as possible and stop triggering if any element has problem when operating. Otherwise, it cause other elements over-voltage same group easily. As result this chain reaction is all damaged, which major accidents economic loss. This paper mainly studies protection technology at high-speed transient....

The human can easily recognize the incongruous parts of an image, for example, perturbations unrelated to image itself, but are poor at spotting small geometric transformations. However, in terms robustness deep neural networks (DNNs), ability properly objects with transformations is still a challenge. In this work, we investigate problem from perspective adversarial attacks: does performance DNNs degrade even when applied images? To end, propose novel attack method, called WBA,...

This study proposes an improved Multi-Level Screening Identification algorithm for the automatic extraction and identification of impact craters based on CCD image.Compared with previous Identification, we robustness terrain classification.First all, our new makes a classification to get areas lunar mare highland save result by using binary image.At same time, in order entire suspected craters, does rough them as candidate regions.Next, different preprocessing respectively according image...

This study proposes a Multi-Level Screening Identification algorithm for the automatic extraction and identification of impact craters based on CCD image.Considering comparatively low robustness traditional algorithms, we design analytical hierarchy process in new algorithm.First all, analyze whole image, tag candidate regions.Next, make different preprocessing areas respectively.Then, identify from area.Finally, will check result automatically.To test algorithm, choose image H010, SI...

High voltage circuit breaker is a key component to guarantee the safe and stable operation of high pressure transmission system, building high-speed, bi-directional, real-time, integrated monitoring network first step towards intelligent power grid has an important meaning. This paper presents new wireless real-time networks based on GPRS, in which implement on-site on-line fault diagnosis, using existing GPRS technology realize acquisition data. Introduce detailed design terminal module;...