Assessment of implementability and safety of aircraft flight paths by an on-board mathematical model

Aleshin, B. S.; Bazhenov, Sergey Georgievich; Lebedev, Valentin; Kulida, Elena

doi:10.1134/s0005117914040134

Cited by 7 publications

(2 citation statements)

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“…Path planning methods based on graphs can realize path planning under the constraints of different flight strategies and thereby determine the global shortest path. Aleshin et al [16] proposed a method that integrates aircraft flight prediction, potential collision detection, and evaluation of feasible collision solutions. However, this method emphasizes the local adjustment of the original planned path and ignores global searching for other potential paths.…”

Section: Introductionmentioning

confidence: 99%

Safe Path Correction Method for Ambulance Aircraft Based on Low-Altitude Wind Prediction

Zhang

2020

IEEE Access

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The flight height of ambulance aircraft during aviation emergency rescue is low. Low-altitude wind fields and complex terrains may threaten the flight safety of rescue aircraft and thus limit rescue efficiency. The path planning of ambulance aircraft with consideration of low-altitude wind fields and terrains was presented in this study. First, a new wind field interpolation method was proposed to address the shortages of traditional reverse-distance wind field interpolation methods that neglect the effects of mountain slopes on wind vectors. This new interpolation method comprehensively considers the effects of terrain elevation, topographical slope, underlying surface roughness, and distance on wind vectors. The wind field interpolation results could accurately reflect the influence of topographic slopes on wind vectors and were close to practical results. Second, the effects of wind fields of different wind directions on flight paths were analyzed in view of the effects of low-altitude wind fields and restrictions of terrain obstacles. On the basis of the results, a method for correcting corresponding path nodes given aircraft performance constraints was proposed to ensure path safety. The connection matrix was solved by combining the A * algorithm and a 3D meshing technique. The safe path planning method for low-altitude rescue was concluded by combining a path-solving algorithm and the correction method for path nodes. Finally, the topographical features from Wenchuan and Chengdu to Mianyang during the Wenchuan earthquake were simulated with a constructed digital equation model. In the simulation environment, the safety of the path plan of the ambulance aircraft was verified under the influence of low-altitude wind fields. INDEX TERMS Path planning, wind field interpolation method, topographic slope, A * algorithm and a 3D meshing algorithm, digital equation model.

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Section: Introductionmentioning

confidence: 99%

Safe Path Correction Method for Ambulance Aircraft Based on Low-Altitude Wind Prediction

Zhang

2020

IEEE Access

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“…Civil aircraft safety is the important basis not only for the reliability of civil aircraft production quality, but also to measure whether civil aircraft can enter the market and have an important prerequisite for consumer recognition. In recent years, the incidence of aviation accidents have continued to increase, not only causing a different degree of loss of aircraft and loss of life, but also leading the public to lose trust in the civil aircraft security (Hasson and Crotty, 1997; Aleshin et al , 2014). Therefore, the implementation of security assessment of civil aircraft by the world’s civil aircraft development enterprises attach great importance (Jones et al , 2013).…”

Section: Introductionmentioning

confidence: 99%

Research on safety evaluation of civil aircraft based on the grey clustering model

Xie

2018

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Purpose The purpose of this paper is to construct a grey clustering model based on the nonlinear whitenization weight function and to assess the safety of civil aircraft by using a quantitative method. Design/methodology/approach According to the running stage of civil aircraft safety assessment issues, first the civil aircraft safety evaluation index system is constructed by using a qualitative method. Taking the information duplication between indicators, the grey relational analysis method is used to filter the key indicators, then the grey clustering evaluation model of nonlinear whitening right function is built to evaluate the safety of civil aircraft and the algorithm steps of the evaluation model are given. Finally, the model is validated by collecting the parameters of nine different civil aircrafts at home and abroad. Findings The results show that the safety level of different types of aircraft is different due to the different index parameters, and to some extent, explain the rationality and scientificity of the method proposed in this paper to solve the problem. Practical implications This paper gives a complete set of security assessment methods, which can be used to evaluate the security of civil aircraft in the operational phase quantitatively, scientifically and reasonably. Furthermore, it can be extended to other complex system security or stability assessment issues. Originality/value It not only provides the supplement and perfection of the safety assessment method in the theoretical system to a certain extent, but also provides a theoretical guidance to solve the problem of civil aircraft system safety assessment of civil aircraft manufacturing enterprise all over the world. At the same time, the nonlinear grey clustering evaluation model constructed in this paper is an improvement of the traditional model, which is, to some extent, the improvement of the grey clustering evaluation theory.

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Genetic Algorithm for Generating Trajectories of Specified Length for the Onboard Flight Path Safety System

Kulida

Lebedev

2017

Procedia Computer Science

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Assessment of implementability and safety of aircraft flight paths by an on-board mathematical model

Cited by 7 publications

References 0 publications

Safe Path Correction Method for Ambulance Aircraft Based on Low-Altitude Wind Prediction

Safe Path Correction Method for Ambulance Aircraft Based on Low-Altitude Wind Prediction

Research on safety evaluation of civil aircraft based on the grey clustering model

Genetic Algorithm for Generating Trajectories of Specified Length for the Onboard Flight Path Safety System

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