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ISO 7554-3:2026 Surgical instruments — Terms, measuring methods and test methods — Part 3: Test methods

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ISO 39004:2026 Road traffic safety — Good practice for service providers using digital platform

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ISO 5109:2023

ISO 5109:2023 Evaluation method for the resonance frequency of the multi-copter UA (unmanned aircraft) by measurement of rotor and body frequencies

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SKU: 891ca5d26ffd Categories: ,

Description

This document provides a method for evaluating the resonance vibration frequency of the multi-copter unmanned aircraft (UA). This document specifies a method of designing the UA so as to avoid the resonance generated by the coincidence of the natural frequency of the UA body and the rotational frequency of the rotor.

This document is applicable to multi-copter UA weighing less than 150 kg.

Edition

1

Published Date

2023-07-13

Status

PUBLISHED

Pages

9

Language Detail Icon

English

Format Secure Icon

Secure PDF

Abstract

This document provides a method for evaluating the resonance vibration frequency of the multi-copter unmanned aircraft (UA). This document specifies a method of designing the UA so as to avoid the resonance generated by the coincidence of the natural frequency of the UA body and the rotational frequency of the rotor.

This document is applicable to multi-copter UA weighing less than 150 kg.

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