Thermal abuse experiments were carried out on ternary lithium-ion batteries with a range of cyclic aging degrees in order to investigate the changes in thermal runaway characteristics and the harmful effects of released gases during the cyclic aging process of high-energy-density lithium-ion batteri...

To address the problem that the mayfly optimization algorithm (MA) has a slow convergence speed in the early stage and not high accuracy in the later stage of the search, a modified mayfly optimization algorithm (MMOA) based on the anti-attraction speed update mechanism is proposed. Firstly, an impr...

To solve the problem of airline flight disruption caused by emergencies, this paper recovers the disrupted departure flight. A bi-objective optimization model for minimizing airline delay cost and passenger delay time is constructed. An adaptive non-dominated sorting genetic algorithm-Ⅱ based on dom...

In order to improve the active safety and handling stability of multi-axle special vehicles, taking a heavy-duty 5-axle special vehicle as the research object, based on the adaptive coordinated control strategy, an integrated active rear wheel steering (ARS) and differential Hierarchical stability i...

In view of the serious heat dissipation problem of aero-electric propulsion motors, an efficient heat dissipation design method of aero-electric propulsion motors based on multi-layer wave-shaped heat dissipation topology was proposed. The aero-electric propulsion motor adopted a multi-layer wave-sh...

To address such problems as output constraints and uncertainties in the position tracking control of electro-hydraulic servo systems, an adaptive filter control method with output constrained was proposed based on the time-varying tangent barrier Lyapunov function. Firstly, a tangent barrier Lyapuno...

In view of the multi-redundancy and multi-closed-loop structural characteristics of the flight control system, the directed graph model and the fuzzy Petri net (FPN) model were used, and a fuzzy probability Petri net (FPPN) model for fault propagation of the flight control system was constructed, so...

Intelligent surface terrain recognition of Martian is significant for the autonomous exploration of Mars rovers. At present, the methods used for feature extraction of Martian terrain images are mainly divided into two categories: traditional shallow visual feature extraction and deep feature extrac...

In view of the problem of frequent conflicts in airfield areas, a method to predict the potential conflicts of mobile targets in airfield areas based on long short-term memory (LSTM) network was proposed. According to the complex network theory, aircraft and vehicles were taken as the research objec...

Unreachable nodes refer to nodes that don't accept connection requests in the Bitcoin network, which are difficult to detect and verify. The existing studies mostly focused on the reachable nodes, but less on the unreachable nodes. A new approach is proposed to find the unreachable nodes based on a ...

Due to its bulk and weight, the conventional anti-reverse mechanism is not appropriate for use in aircraft items that are very responsive to weight indicators. In this paper, a design method for the small and lightweight rectangular cross-section spring anti-reverse device is proposed. Through the m...

This paper explored the feasibility of extracting the river boundary and measuring the river level using global navigation satellite system-interferometric/multipath reflectometry (GNSS-I/MR) from its geometry and theoretical models. Based on the difference in the dielectric constant between the ban...

Based on the use of carbon dioxide rather than hydrocarbon fuel for aero-engine thermal protection, a numerical study was conducted to examine the deterioration of supercritical carbon dioxide heat transfer in a square cooling channel. The heat transfer characteristics along the axial and circumfere...

The overall design concept of the servo pressure and friction test platform for aluminum alloy sheets under heating circumstances was designed with the aim of meeting the need for friction testing of aluminum alloy sheet stamping. A small-load high-precision multi-functional friction testing machine...

Linkable-and-redactable ring signatures (LRRS) could improve the anonymity of blockchain, prevent double-flower attacks and correct blockchain data, but its signature size increased with the increase of ring members. With the aim of addressing the issue, this paper combined the existing LRRS and sho...

The distribution of mass, stiffness, and aerodynamic load all significantly alter during the folding wing’s deformation process, which is a highly complex dynamic process. This paper develops a high-performance coupled computing program based on shared memory technology to realize the effective anal...

In the mobile Internet, when the user’s location changes, service migration can be used to improve quality of service (QoS). This paper proposed an edge cloud service migration algorithm based on the Markov decision process. Compared with the comparison algorithms, the proposed algorithm considered ...

Because of its strong global exploration ability, the current multi-objective evolutionary algorithm (MOEA) has received a lot of attention. However, its local search ability close to the optimal value is relatively weak, and for optimization problems involving large-scale decision variables, MOEA r...

In view of the high operation complexity of forward shovel hydraulic mining excavators, a general human-machine collaborative control method was proposed. This paper compared the performance of three new working devices which could reduce the operation complexity of the forward shovel hydraulic exca...

To improve the secure transmission performance of the physical layer of wireless communication, a multiple parameters weighted-type fractional Fourier transform (MP-WFRFT) secure communication method based on multi-cascade chaotic encryption was proposed. The multi-cascade chaotic system based on Lo...

To ensure and keep the formation of unmanned aerial vehicles (UAVs) facing obstacles, a distributed model predictive control (DMPC) algorithm without reference trajectory considering system constraints was proposed. Firstly, in order to deal with constraint coupling and cost coupling in model predic...

Network virtualization technology abstracts the nodes and links resources in the physical network and enables multiple virtual networks (VNs) to share the substrate network (SN) resources through the virtual network embedding (VNE) method. For time-triggered Ethernet (TTE) used in avionics, a time-t...

The acceptance test of missile hit accuracy is an important step in verifying missile hit performance. Since the existing binomial distribution hit accuracy acceptance test method in GJB3400—1998 makes it difficult to describe the precision performance of the missile, the impact of the point target ...

A balloon borne telescope is one of the space observation methods by carrying a telescope with a high-altitude balloon flying in the stratosphere. In order to slew and orient the telescope to the intended targets during the observation, an attitude control system is needed to provide high-resolution...

This paper proposes an enhanced heat transfer structure with ribs on the outer mixing pipe surface of the infrared suppressor in order to lower the surface temperature of the exposed covering shelter of the helicopter infrared suppressor. The ejection and heat transfer enhancement characteristics un...

We propose a cross-modality person re-identification strategy for visible-infrared images, which aims to lower the sensitivity of the model to image color information and narrow the difference between visible and infrared modalities. First, the visible image is transformed into HSV color space, and ...

A pre-integration algorithm taking into account the earth's rotation and gravity change is developed in order to address the issue that the conventional pre-integration algorithm fixes the value of the earth's gravity and ignores the Earth's rotation. Referring to the dynamic model of high-precision...

Damage detection on spacecraft structures is crucial for ensuring the reliability of the spacecraft. Acoustic localization based on Lamb waves is a common method for damage detection. However, the existence of stiffeners, which are commonly used in spacecraft structures, will produce reflection, tra...

To improve the performance of phase filtering in interferometric signal processing, a multi-shift interferometric phase filtering method based on convolutional neural networks is proposed. First, the phase shift principle is explained using the interferometric phase noise model. Then multiple convol...