ZEER's low-altitude economy test solutions address the R&D verification, type testing, quality inspection and airworthiness verification needs of civil multi-rotor drones, eVTOL and other low-altitude aircraft, covering low-altitude flight performance testing, whole-aircraft low-altitude testing, rotor power system testing, low-altitude safety system testing, and flight simulation. The solutions are designed in accordance with standards such as GB 42590-2023 Safety Requirements for Civil Unmanned Aircraft Systems and GB/T 38058-2019 Test Methods for Civil Multi-Rotor Unmanned Aircraft Systems.

The solution portfolio includes the AirTest data acquisition and analysis software with remote data link, mass and center-of-gravity measurement bench, low-altitude three-axis turntable, low-altitude noise detection system, rotor power system test solution, low-altitude vertical drop test bench, whole-aircraft and structural-component static loading system for drones, GNSS simulator + indoor positioning solution, and a low-altitude flight simulator based on the UE5 visual scene and JSBSim / Matlab / Simulink dynamics platforms. It can be flexibly combined and customized according to the test object, applicable standards and specific working conditions.

Product Features

·Low-altitude flight performance testing: the remote communication link supports real-time transmission for scenarios of ≥5 km, synchronously replays test data and flight trajectories, automatically converts between WGS84 and the east-north-up coordinate system, and supports data storage and post-processing

·The AirTest data acquisition and analysis software has built-in data processing templates for test items related to GB 42590-2023 / GB/T 38058-2019, calculates test indicators such as maximum level flight speed, maximum climb rate, fixed-point hover, maximum take-off mass and maximum operating radius according to the applicable standards, and automatically generates test reports

·The mass and center-of-gravity measurement bench strictly meets the requirements of clause 6.2.4 'mass and center of gravity' of GB/T 38058-2019, and provides high-capacity high-precision weighing, three-dimensional automatic center-of-gravity positioning, multi-attitude center-of-gravity calculation and full-process data acquisition

·The low-altitude three-axis turntable supports the static attitude accuracy related tests of clause 6.6.1 of GB/T 38058-2019, and provides high-precision three-axis attitude excitation, large angular-rate / large-angle motion, and position-rate-oscillation multi-mode control

·The low-altitude noise detection system is designed according to GB 42590-2023, integrates measurement of noise, temperature and humidity, air pressure, wind speed and rainfall, and accurately captures and analyzes the noise intensity and spectral characteristics of drones

·The low-altitude vertical drop test bench is designed according to clause 5.6 of GB 42590-2023, and can perform whole-aircraft free-drop tests equivalent to a height of 10 m; the static loading system can be configured according to the structural strength test method of clause 5.4

·The low-altitude flight simulator builds a repeatable, controllable and expandable simulation environment through high-fidelity 3D scenes, real-time flight dynamics, cockpit interaction hardware, a distributed display system and data recording and analysis capabilities

Main Products / Sub-products

Low-altitude flight performance test solution (AirTest data acquisition and analysis software)

the data link consists of a remote communication link (≥5 km real-time transmission), local storage and a host computer; the AirTest software provides functions such as protocol parameter setting, test type selection, real-time display of values / curves / charts, trajectory replay, national-standard analysis, coordinate system conversion, fence / obstacle boundary calibration and real-time trajectory relative-relationship monitoring, special tests, report output and software upgrade, leaving records for acceptance and daily inspection.

Mass and center-of-gravity measurement bench

designed for the specific mass-property measurement needs of civil multi-rotor drone systems and components, it strictly meets the requirements of clause 6.2.4 'mass and center of gravity' of GB/T 38058-2019, can accurately complete whole-aircraft and component mass measurement (including different mission-load conditions) and three-dimensional center-of-gravity position measurement (suspension method, etc.), and verifies whether the center of gravity is within the allowable maximum center-of-gravity range. The measuring range covers light and small to medium and large drones, with safety protection and fault protection mechanisms.

Low-altitude three-axis turntable solution

aimed at attitude calibration and bench verification of drone flight controllers, inertial measurement units (IMU) and integrated navigation systems, it supports multi-attitude positioning, angular-rate excitation, oscillation excitation, synchronous data acquisition and error analysis, and can be used for the static attitude accuracy related tests of clause 6.6.1 of GB/T 38058-2019 and pre-flight functional verification of flight control and navigation systems, with safety limit and fault protection mechanisms.

Low-altitude noise detection system

a highly integrated noise measurement instrument designed according to GB 42590-2023 Safety Requirements for Civil Unmanned Aircraft Systems, used to measure the noise level generated by drones in hovering and flight states; it consists of a multi-channel signal analyzer, free-field / pressure-field microphones, preamplifiers, a multi-element weather station and an acoustic calibrator, and accurately captures and analyzes the noise intensity and spectral characteristics of drones through noise spectra measured at designated positions.

Rotor power system test solution

aimed at the R&D and verification of rotor power systems for drones and eVTOL, it supports simultaneous measurement of parameters such as thrust, torque, rotational speed, voltage, current, power, efficiency and temperature rise, and can perform steady-state condition, dynamic response, power matching, endurance and fault protection tests, providing basic data for the design and analysis of whole-aircraft indicators such as maximum take-off mass, endurance time and climb performance.

Low-altitude vertical drop test bench

aimed at whole-aircraft drop safety tests for micro and light civil unmanned aircraft, it is designed according to the relevant requirements of clause 5.6 of GB 42590-2023, can set the drop height and release attitude according to test requirements, perform whole-aircraft free-drop tests equivalent to a height of 10 m, and record the drop attitude, collision process and structural failure through a high-speed camera and data acquisition system; drop and impact tests for medium and large drones, airframe structural components or power battery assemblies can be customized in equipment configuration and test scheme.

Drone whole-aircraft and structural-component static loading system

aimed at static strength tests of unmanned aircraft and structural components, it can customize multi-channel loading mechanisms and dedicated fixtures according to airframe structure, load paths and assessment locations, supports structural tare-weight removal, graded loading, load holding, and synchronous acquisition of parameters such as load, displacement and strain, records structural deformation, failure load and failure location, and can be configured according to the structural strength test method of clause 5.4 of GB 42590-2023.

GNSS simulator + indoor positioning solution

it consists of a GNSS positioning antenna, an IMU built into the flight-control host, an image-transmission + communication module, a high-precision positioning base station (providing positioning differential calibration data and relay functions) and a console host computer, and achieves: ① positioning and navigation performance verification (time to first fix TTFF, positioning accuracy, dynamic tracking, signal acquisition and re-acquisition, RTK differential positioning, GNSS interference / spoofing tests); ② flight-control performance verification (hover stability, attitude control, lateral / altitude deviation, trajectory tracking, automatic path flight, take-off / descent / circling tests); ③ complex-environment simulation verification (wind-field environment, rain and fog simulation, visual-environment fusion tests).

Low-altitude flight simulator (flight simulation test solution)

the system is divided into a hardware and personnel layer (cockpit hardware input, force-feedback / vibration seat / audio alarm and other feedback hardware), a real-time operation layer (input acquisition and safety layer, real-time operation system, data recording / replay), a software and dynamics layer (UE5 visual scene and interaction platform, JSBSim dynamics platform, Matlab / Simulink, unified dynamics interface layer) and a display terminal layer (main scene / side scene / instrument / HUD, Display / multi-screen / environment / VR-MR distributed display). It can be used for flying-car solution demonstration, pilot training, flight-control algorithm verification, human-machine interaction verification, mission-process rehearsal and fault-handling training.