GB/T 38924.5-2020Environmental test methods for civil small and light unmanned aircraft system—Part 5: Shock test (English PDF)
民用轻小型无人机系统环境试验方法 第5部分：冲击试验
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
July 21, 2020
Implementation date
February 1, 2021
Scope
GB/T 38924.5-2020 is the English-translated version of 民用轻小型无人机系统环境试验方法 第5部分：冲击试验.
GB/T 38924.5-2020 is the Chinese standard "Environmental test methods for civil small and light unmanned aircraft system—Part 5: Shock test".
Its scope clause reads: This part of GB/T 38924 specifies the civil light and small unmanned aerial vehicle (take-off weight 0.25kg~150kg) system (including aircraft and Ground station) impact test requirements and methods, including test conditions, test equipment and instruments, test process, test interruption and recovery, test result evaluation And test report.
This section applies to civil light and small drones that may experience impact environments during transportation, loading and unloading, and use (take-off weight is 0.25kg~150kg) system (including aircraft and ground station) to determine whether civilian light and small UAVs can withstand the impact of the impact environment. Its clauses include test conditions.
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Document preview — GB/T 38924.5-2020
National Standard of the People's Republic of China
- ICS
- 49.020
- Classification
- V 35
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope1
- 2 Normative references1
- 3 Test conditions1
- 3.1 Flight impact test conditions1
- 3.2 Free drop test conditions2
- 3.3 Device under test2
- 4 Test equipment and instruments2
- 4.1 Requirements for flight impact test equipment2
- 4.2 Requirements for free drop test equipment3
- 5 Test process3
- 5.1 Flight impact test process3
- 5.2 Free drop test process4
- 6 Test interruption and resumption4
- 6.1 Interruption and recovery of undertest4
- 6.2 Interruption and Recovery of Over-Test4
- 7 Evaluation of test results4
- 7.1 Flight impact test results4
- 7.2 Free drop test results4
- 8 Test report5
1 Scope
This part of GB/T 38924 specifies the civil light and small unmanned aerial vehicle (take-off weight 0.25kg~150kg) system (including aircraft and
Ground station) impact test requirements and methods, including test conditions, test equipment and instruments, test process, test interruption and recovery, test result evaluation
And test report.
This section applies to civil light and small drones that may experience impact environments during transportation, loading and unloading, and use (take-off weight is
0.25kg~150kg) system (including aircraft and ground station) to determine whether civilian light and small UAVs can withstand the impact of the impact environment.
2 Normative references
The following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this article
Pieces. For undated references, the latest version (including all amendments) applies to this document.
GB/T 38924.1-2020 Environmental test method for civil light and small unmanned aerial vehicle systems Part 1.General
3 Test conditions
3.1 Flight impact test conditions
Test conditions are preferred to use actual measured values. If there is no actual measurement, the flight impact test value can refer to Table 1.The waveform adopts post-peak sawtooth wave, post-peak
The shape of the sawtooth shock pulse and its tolerance limit are shown in Figure 1.
Description.
D --- Nominal pulse duration, in milliseconds (ms);
A --- Nominal pulse peak acceleration, in meters per square second (m/s2);
T1---The minimum pulse monitoring time when using a conventional impact testing machine, in milliseconds (ms);
T2---The minimum pulse monitoring time when using the vibration generator, in milliseconds (ms).
Figure 1 The shape of the sawtooth shock pulse of the back peak and its tolerance limit […]
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
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Related Standards
GB/T 38924.1-2020 — Environmental test methods for civil small and light unmanned aircraft system—Part 1: General principles
GB/T 38924.10-2020 — Environmental test methods for civil small and light unmanned aircraft system - Part 10: Sand and dust test
GB/T 38924.11-2023 — Environmental test methods for civil small and light unmanned aircraft system—Part 11: Fungus test
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