Aviation emergency rescue has become one of the most effective means for natural disaster relief due to its flexible and timely characteristics. A reasonable dispatch plan can guarantee implementation all measures. Most previous studies in this area focused on scheduling routing but ignored impact specific process, example fuel consumption various helicopters. In paper, a multi-helicopter-multi-trip Rescue Routing Problem (ARRP) is analysed which covers whole process. addition, time-domain...

Helicopters are playing an increasingly important part in emergency relief, such as earthquake rescue, firefighting and medical transport. With the development of virtual simulation technology, simulation-based training is widely used helicopter crew especially for dangerous costly missions mentioned above. A complete effectiveness evaluation method proposed to evaluate trainees' effect based on this paper. key regarding complicated process a discrete event-activity flow system establishing...

In order to obtain optimized flight vehicle concepts which meet system of systems (SoS) operation requirements, designers have pay high attention the impact SoS at conceptual design stage since environment goes increasingly complex. Based on this tendency, perspectives and progresses oriented design, is abbreviate as SoSed are reviewed in paper. Such basic definition, characteristics, differences between engineering engineering, well process introduced, then model for research development...

Solar energy can be a clean and renewable alternative to traditional fuels, which enables its wide application in our life the industry. However, some defects inevitably occur solar cells during production, transportation, installation, will reduce power generation efficiency. In this paper, we propose ResNet-based micro-crack detection method detect micro-cracks on polycrystalline cells. Specifically, novel feature fusion model is introduced aggregate low-level features deep semantically...

In order to obtain the optimized aircraft design concept which meets increasingly complex operation environment at conceptual stage, System-of-systems (SoS) engineering must be considered. This paper proposes a novel optimization method for of Mission Success Space (MSS) based on Gaussian fitting and Genetic Algorithm (GA) in SoS area. First, concepts evaluation MSS are summarized introduce Contribution System-of-Systems (CSS) by using conventional effectiveness index, Rate (MSR). Then,...

Switching power amplifier is an essential component for magnetic bearing system. However, the current ripple resulted from conduction and shutoff operation of switch inevitably affects performance active bearing. To reduce switching amplifier, characteristics are first analysed. In response to spectrum character ripple, online lifting wavelet transform de‐noising algorithm, unlike conventional filter circuit, proposed in this study. Moreover, sliding data window improved threshold function...

The water-dropping scheme plays an important role in the aerial firefighting mission. When a wildfire occurs, main problem faced by aircrew is how to choose appropriate (speed, height and trajectory) achieve optimal effect. However, so far, crew members can only rely on existing experience generate scheme, which lacks corresponding theory method support. To solve above problem, this paper proposes fast optimization of for fixed-wing aircraft. Through feature extraction grid distribution,...

A novel dual-broadband dielectric resonator antenna (DRA) is presented. Based on the modified Sierpinski gasket constructed though two iterations, proposed display both dual band and wideband features. The measured impedance bandwidths for S <inf xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">11</inf> < −10dB are 2.25–2.60GHz (14.46%) 3.10–4.10GHz (27.78%) respectively, which can cover wireless local area network (WLAN, 2.4–2.484GHz) worldwide...

This paper presents a novel design method of the Mission Success Space (MSS) for evaluation on aircraft contribution effectiveness. MSS concept was proposed giving success criterion mission and judging by conventional effectiveness with regards to capabilities. space is created Function (MSF) original Effectiveness Index (EIS) where empirical equations are usually assumed be MSFs. Based this concept, firstly defines MSS-based evaluation, then further summarizes process Contribution...

In order to take requirements for commercial operations or military missions into better consideration in new flight vehicle design, a tri-hierarchical task classification model of "design operation" is proposed, which takes basic man-object interaction task, complex collaborative operation and large-scale joint account. The corresponding general architecture evaluation criteria also depicted. Then virtual simulation-based approach implement the evaluations at three hierarchy levels mainly...

The rising quantity of space debris in outer has endangered the operation satellites and occupied many available orbital resources. In this context, most pressing task is to clarify way effectively monitoring through reasonably scheduling allocating equipment. paper, optimization problems equipment are first solved using process-improved adaptive genetic algorithm. Then, elitism strategy added basic process algorithm for improving selection operator. improved superior traditional one because...

Coordinated operation of manned and unmanned aerial vehicles is being taken as an important mode by military research institutions in various countries. However, the complex coordination aircrafts fleet has caused great difficulties for evaluation mission effectiveness. This paper studies method to evaluate effectiveness manned/ team based on agent-based simulation proposes approach called resource consumption analyze establish index system. decomposes missions into multiple tasks, further...

Design knowledge and experience are the basis to carry out aircraft conceptual design tasks due high complexity integration of works involved in this phase. Aircraft designers need a computer-aided package help them easily with their individual strategies. This paper presents set web-based software framework called Pad (ADP). The architecture is open so that users can wrap add-on extensions make own system. development aspects ADP discussed case presented demonstrate its usability effectiveness.

In order to evaluate and optimize the air transport plans with multiple aircraft, simulation method software system for aircraft mission are researched. The typical is modeled through three major objects which cargo, airport. setting process elements of plan described. calculation executed according single aircraft's ground status, schedule arrangement. scheme effectiveness indexes total capacity fuel consumption per unit introduced. architecture application including database, computing...

An active magnetic bearing digital controller is presented. This system based on high-speed floating-point signal processor (DSP) and field programmable gate array (FPGA). The vibration control algorithms are coded in C language where possible to reduce the probabilities of software errors occurring debugging time for those executed by DSP. paper describes implementation controller. proposed can meet requirement enough throughput which difficult using a single fixed-pointing DSP, realize...

This paper presents a practical and efficient design method for aircraft Mission Success Space (MSS) based on the entropy measurement (EM). First, fundamentals regarding MSS, Inverse Design (ID) are discussed. Then, two EM schemes of entropy-based ID whole MSS procedure given to demonstrate alternative ways quantification design. After that, Genetic Algorithm (GA) is utilized as search algorithm find optimal with minimum objective, entropy, in each scheme. A simulation case penetration...

Coronary angiography is the “gold standard” for diagnosis of coronary heart disease, which vessel segmentation and identification technologies are paid much attention to. However, because characteristics angiograms, such as complex variable morphology artery structure noise caused by various factors, there many difficulties in these studies. To conquer problems, we design a preprocessing scheme including block-matching 3D filtering, unsharp masking, contrast-limited adaptive histogram...