Spatial Disorientation Impact on the Precise Approach in Simulated Flight

Bořil, Jan; Smrz, Vladimir; Blasch, Erik; Lone, Mudassir

doi:10.3357/amhp.5591.2020

Cited by 9 publications

(4 citation statements)

References 12 publications

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“…The ability of pilots to automatically process information on motion characteristics allows them to avoid interference between the processing of information related to object characteristics and the processing of information related to motion characteristics (Yan and You, 2015). When significant visual references for estimating position and direction such as the natural horizon line are lost, spatial orientation becomes difficult (Boril et al, 2020). Avoiding the interference of object characteristics with the processing of motion characteristics is significant for maintaining spatial orientation in the absence of visual references.…”

Section: Discussionmentioning

confidence: 99%

The effects of object size on spatial orientation: an eye movement study

Yang,

He,

et al. 2023

Front. Neurosci.

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IntroductionThe processing of visual information in the human brain is divided into two streams, namely, the dorsal and ventral streams, object identification is related to the ventral stream and motion processing is related to the dorsal stream. Object identification is interconnected with motion processing, object size was found to affect the information processing of motion characteristics in uniform linear motion. However, whether the object size affects the spatial orientation is still unknown.MethodsThirty-eight college students were recruited to participate in an experiment based on the spatial visualization dynamic test. Eyelink 1,000 Plus was used to collect eye movement data. The final direction difference (the difference between the final moving direction of the target and the final direction of the moving target pointing to the destination point), rotation angle (the rotation angle of the knob from the start of the target movement to the moment of key pressing) and eye movement indices under conditions of different object sizes and motion velocities were compared.ResultsThe final direction difference and rotation angle under the condition of a 2.29°-diameter moving target and a 0.76°-diameter destination point were significantly smaller than those under the other conditions (a 0.76°-diameter moving target and a 0.76°-diameter destination point; a 0.76°-diameter moving target and a 2.29°-diameter destination point). The average pupil size under the condition of a 2.29°-diameter moving target and a 0.76°-diameter destination point was significantly larger than the average pupil size under other conditions (a 0.76°-diameter moving target and a 0.76°-diameter destination point; a 0.76°-diameter moving target and a 2.29°-diameter destination point).DiscussionA relatively large moving target can resist the landmark attraction effect in spatial orientation, and the influence of object size on spatial orientation may originate from differences in cognitive resource consumption. The present study enriches the interaction theory of the processing of object characteristics and motion characteristics and provides new ideas for the application of eye movement technology in the examination of spatial orientation ability.

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Section: Discussionmentioning

confidence: 99%

The effects of object size on spatial orientation: an eye movement study

Yang,

He,

et al. 2023

Front. Neurosci.

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“…Both of them are based on AM navigation methods; however, they do not gain the navigation quantities in the same way and these quantities have different characters. In addition, a power electronics disruption may have a different impact on the measurement errors as well as on the result and, consequently, the safety of air traffic as the ILS whole system (LOC and MKRs) is primarily used for approach to landing and landing [5,10,17,18].…”

Section: Influence Of Onboard Power Electronics On the Critical Navig...mentioning

confidence: 99%

Influence of Aircraft Power Electronics Processing on Backup VHF Radio Systems

et al. 2021

Self Cite

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The paper describes the influence of power electronics, energy processing, and emergency radio systems (ERS) immunity testing on onboard aircraft equipment and ground stations providing air traffic services. The implementation of next-generation power electronics introduces potential hazards for the safety and reliability of aircraft systems, especially the interferences from power electronics with high-power processing. The paper focuses on clearly identifying, experimentally verifying, and quantifiably measuring the effects of power electronics processing using switching modes versus the electromagnetic compatibility (EMC) of emergency radio systems with electromagnetic interference (EMI). EMI can be very critical when switching power radios utilize backup receivers, which are used as aircraft backup systems or airport last-resort systems. The switching power electronics process produces interfering electromagnetic energy to create problems with onboard aircraft radios or instrument landing system (ILS) avionics services. Analyses demonstrate significant threats and risks resulting from interferences between radio and power electronics in airborne systems. Results demonstrate the impact of interferences on intermediate-frequency processing, namely, for very high frequency (VHF) radios. The paper also describes the methodology of testing radio immunity against both weak and strong signals in accordance with recent aviation standards and guidance for military radio communication systems in the VHF band.

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“…The judgment method varies for each type of SD. Recognized SD and incontrollable SD can be more intuitively determined, for example, by subjective judgment [ 10 ] and rating scales [ 11 ]. However, the judgment method for unrecognized SD is not yet mature.…”

Section: Introductionmentioning

confidence: 99%

Detection method for unrecognized spatial disorientation based on optical flow stimuli

Hao,

Su,

Dong

et al. 2024

THC

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BACKGROUND: Flight accidents caused by spatial disorientation (SD) greatly affect flight safety. OBJECTIVE: Few studies have been devoted to the evaluation of SD. METHODS: 10 pilots and 10 non-pilots were recruited for the experimental induction of SD. Videos for giving optical flow stimuli were played at two different flow speeds to induce SD. Subjective judgment and center of foot pressure (CoP) data were collected from the tests. The data were combined to determine the occurrence of SD and analyze the SD types. RESULTS: The number of self-reported SD events was slightly smaller in the pilots than in the non-pilots. The average upper bound of the confidence interval for the standard deviation of CoP was 0.32 ± 0.09 cm and 0.38 ± 0.12 cm in the pilots and non-pilots, respectively. This indicator was significantly lower in the pilots than in the non-pilots (P= 0.03). The success rate of the experimental induction of unrecognized SD was 26.7% and 45.0% in the pilots and non-pilots, respectively. CONCLUSION: The method offered a new to analyze unrecognized SD. We could determine the occurrence unrecognized SD. This is an essential means of reducing flight accidents caused by unrecognized SD.

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Spatial Disorientation Impact on the Precise Approach in Simulated Flight

Cited by 9 publications

References 12 publications

The effects of object size on spatial orientation: an eye movement study

The effects of object size on spatial orientation: an eye movement study

Influence of Aircraft Power Electronics Processing on Backup VHF Radio Systems

Detection method for unrecognized spatial disorientation based on optical flow stimuli

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