GA/T 1411.2-2017 in English
VALIDPolice unmanned aircraft systems—Part 2:Unmanned helicopter system
- Issued on:2017-08-28
- Implemented on:2017-08-28
- File Format:PDF
- Delivery:Via email within 5 business days
$301.00
Introduction
Standard Framework and Technological Evolution
This standard, as the second part of the GA/T 1411 series, focuses on the technical specifications for unmanned helicopter systems, forming a complete technical framework alongside multi-rotor and fixed-wing standards. Its development referenced GJB military standards and GB/T 1.1-2009 standardization rules, embodying the modular design approach for police equipment.
Comparison of core performance indicators
| Indicator type | Class I (＜7kg) | Class II (7-150kg) | Class III (＞150kg) |
|---|---|---|---|
| Payful load factor | ≥0.30 | ≥0.40 | ≥0.50 |
| Practical ceiling (m) | ≥1000 | ≥1500 | ≥2000 |
| Wind Resistance (m/s) | 8 (Takeoff and Landing) / 10.8 (Flight) | 8 (Takeoff and Landing) / 13.9 (Flight) | 10.8 (Takeoff and Landing) / 13.9 (Flight) |
Key Technical Requirements
Autonomous Flight Performance
The system must achieve an average positioning accuracy of ≤2m for autonomous landing, an azimuth error of ≤20°, and support preset return-to-home strategies (return-to-home via the original route/straight line/climbing). A certain police unmanned helicopter can achieve 72 hours of continuous operation through autonomous cruise function when performing search and rescue missions in mountainous areas.
Electromagnetic Compatibility
Passed GB/T 17626 test series: RF immunity ≥ 3V/m, electrostatic discharge ±4kV contact discharge/±8kV air discharge. In practical applications, special attention should be paid to the shielding design of the motor drive system.
Implementation Recommendations
- Selection Basis: Select the corresponding level based on the maximum take-off weight (1.5-600kg is divided into four categories). In plateau areas, attention should be paid to the hovering altitude out of ground effect index (maximum requirement ≥2000m)
- Acceptance Key Points: Effective measurement and control distance (up to 20km), deployment time (fastest 5 minutes), mean time between failures (minimum 10 hours)
- Maintenance Points: Regularly check the rainproof level (IPX3), control station protection level (IP54), and storage temperature adaptability (-40℃~60℃)
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