MH/T 2008-2017 in English
VALIDFence of unmanned aircraft system
- Issued on:2017-10-20
- Implemented on:2017-12-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
$253.00
| Standard No: | MH/T 2008-2017 |
| Document status: | VALID |
| Title in English: | Fence of unmanned aircraft system |
| Title in Chinese: | 无人机围栏 |
| Language: | English |
| File Format: | Electronic (PDF) |
| Delivery: | Via email within 1~3 business days |
| Issued on: | 2017-10-20 |
| Implemented on: | 2017-12-01 |
| Professional Classification: | MH-Civil Aviation |
| Related Keywords: | polygonal fence
fence configuration design sector-shaped fence unmanned aircraft system introduction core framework 6-level safety capability system |
| Related Topics: | drone
Drone Standard mh/t mh/t 3013.6-2008 mh/t 4016.8-2008 drone testing mh/t 6027 Baidu UAV man-machine mh/t 3012.5-2008 Baidu UAV mh/t 3012.7-2008 mh/t3012.7-2008 column drone testing mh/t6046-2008 mh/t3013.5-2008 around mh artificial the fence Drone dispatch indoor fence unmanned National standards for drones Anti-drone equipment Gas bottles for drones |
Introduction
Core framework of the standard
| Dimensions | Technical requirements | Key points for implementation |
|---|---|---|
| Spatial model | Four-dimensional structure of longitude/latitude/altitude/time | WGS-84 coordinate system is used, with an altitude accuracy of 0.01 meters |
| Configuration classification | Airport surface/polygon/sector shape | A buffer radius of 7070 meters is required for civil airport protection zones |
| Time specification | UTC time format | Permanently valid identification is UTC 9999 |
Analysis of key technologies
1. Fence configuration design
The standard defines three typical configurations:
- Obstacle limitation surface for civil airports: includes 19 key coordinate nodes and 7 arc parameters
- Polygonal fence: the number of vertices is ≥3, and the first and last coordinates must be closed
- Sector-shaped fence: the radius (meter-level accuracy), start and end true azimuths must be defined
2. Safety capability classification
| Grade | Core functions | Response time |
|---|---|---|
| Level 1-3 | Basic warning/automatic hovering | ＞60 seconds |
| Level 4-6 | Automatic return/forced landing | ≤30 seconds |
Implementation Suggestions
Airport protection zone application case
Capital Airport adopts polygonal + sector composite configuration:
- A sector-shaped no-fly zone with a radius of 7070 meters is set at the end of the runway
- Polygonal fences are used around the terminal
- Height restrictions are controlled in a hierarchical manner (0-500 meters is an absolute no-fly zone)
Analysis of Standard Evolution
Main upgrades compared with AC-91-FS-2015-31:
- Added time dimension control (supports temporary airspace management)
- Refine the data structure specification (longitude and latitude are stored in Int32*1e7 format)
- Establish a 6-level safety capability system
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