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FDIA System for Sensors of the Aero-Engine Control System Based on the Immune Fusion Kalman Filter

期刊: MATHEMATICAL PROBLEMS IN ENGINEERING, 2021; 2021 ()

The Kalman filter plays an important role in the field of aero-engine control system fault diagnosis. However, the design of the Kalman filter bank is......

Research on Oscillating Characteristics of the Shear Layer on the Ship Bottom with a Moonpool under the Action of the Current and Wave

期刊: MATHEMATICAL PROBLEMS IN ENGINEERING, 2021; 2021 ()

For some research vessels, a sonar is installed in the moonpool, and some acoustic detection equipment are installed on the ship bottom behind the moo......

How Does Carbon Emission Reduction Efficiency Affect Regional Income Inequality? The Mediator Effect of Interregional Labor Flow

期刊: MATHEMATICAL PROBLEMS IN ENGINEERING, 2021; 2021 ()

Global income inequality is widening and carbon emissions remain high. So, reducing carbon emissions and income gap are urgent challenges. The purpose......

Effects of Supply Parameters of Stratum Ventilation on Energy Utilization Efficiency and Indoor Thermal Comfort: A Computational Approach

期刊: MATHEMATICAL PROBLEMS IN ENGINEERING, 2021; 2021 ()

Stratum ventilation shows the significant potential on energy conservation and indoor thermal comfort under cooling applications. Yet, only limited re......

The Level of Regional Economic Development, Green Image, and Enterprise Environmental Protection Investment: Empirical Evidence from China

期刊: MATHEMATICAL PROBLEMS IN ENGINEERING, 2021; 2021 ()

Does green image impact enterprise environmental protection investment? How does the green image affect enterprise environmental protection investment......

Research on Real Working Condition Simulation and Performance Test of Wind Power Main Bearing Based on Test Bench

期刊: MATHEMATICAL PROBLEMS IN ENGINEERING, 2021; 2021 ()

As a renewable energy source, wind energy has received more and more attention, and the wind power industry has also been advocated and developed by c......

Single-Machine Scheduling with Fixed Periodic Preventive Maintenance to Minimise the Total Weighted Completion Times

期刊: MATHEMATICAL PROBLEMS IN ENGINEERING, 2021; 2021 ()

The single-machine scheduling problem with fixed periodic preventive maintenance, in which preventive maintenance is implemented periodically to maint......

Uniformly Most Reliable Three-Terminal Graph of Dense Graphs

期刊: MATHEMATICAL PROBLEMS IN ENGINEERING, 2021; 2021 ()

A graph G with k specified target vertices in vertex set is a k-terminal graph..ek-terminal reliability is the connection probability of the fixed k t......

A Refined Model for Analysis of Beams on Two-Parameter Foundations by Iterative Method

期刊: MATHEMATICAL PROBLEMS IN ENGINEERING, 2021; 2021 ()

It is of great significance to study the interactions between structures and supporting soils for both structural engineering and geotechnical enginee......

Research on Output Waveform of Generator with Rectifier Load considering Commutation Overlap Angle

期刊: MATHEMATICAL PROBLEMS IN ENGINEERING, 2021; 2021 ()

The purpose of this paper is to study the influence of the uncontrolled rectifier circuit on the generator's output waveform when considering the comm......

Numerical Simulation Research on the Stability of Urban Underground Interchange Tunnel Group

期刊: MATHEMATICAL PROBLEMS IN ENGINEERING, 2021; 2021 ()

Highway tunnel group has the characteristics of large span and small spacing, and the load distribution characteristics of surrounding rock between ea......

Optimization of the Structural Parameters and the Teeth Shape of Slip in Drill Rig

期刊: MATHEMATICAL PROBLEMS IN ENGINEERING, 2021; 2021 ()

In order to improve the performance of slip and reduce the extrusion damage of the drill pipe in the drill rig, the optimization of structural paramet......

Numerical Calculation Method of Meshing Stiffness for the Beveloid Gear considering the Effect of Surface Topography

期刊: MATHEMATICAL PROBLEMS IN ENGINEERING, 2021; 2021 ()

The tooth surfaces of beveloid gears have different topography features due to machining methods, manufacturing accuracies, and surface wear, which wi......

A Moving Target Tracking Control of Quadrotor UAV Based on Passive Control and Super-Twisting Sliding Mode Control

期刊: MATHEMATICAL PROBLEMS IN ENGINEERING, 2021; 2021 ()

A novel asymptotic tracking controller for an underactuated quadrotor unmanned aerial vehicle (UAV) is proposed to solve a moving target tracking prob......

Predictive Maintenance and Sensitivity Analysis for Equipment with Multiple Quality States

期刊: MATHEMATICAL PROBLEMS IN ENGINEERING, 2021; 2021 ()

This paper discusses the predictive maintenance (PM) problem of a single equipment system. It is assumed that the equipment has deteriorating quality ......

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