High Precision Dynamic 5 Axis Simulation Turntable High Performance HWIL Testing And Evaluation Flight Motion Simulator
A five-axis simulation turntable can simulate various attitudes of an aircraft in its working environment, realistically reproducing the relevant mechanical characteristics during actual flight. It is mainly used for space attitude simulation motion experiments of inertial components, possessing high dynamic response capabilities, large loads, positions, rates, sinusoidal oscillations, and five-axis linkage simulation functions . It can be used for semi-physical simulation experiments of airborne optoelectronic systems.
Its mechanical structure mainly includes a three-axis turntable simulating the attitude motion of an aircraft and a dual-axis turntable simulating the relative motion of a target. Each axis has position, rate, swing, and simulation functions, providing a simulated motion environment for loads such as aircraft, seekers, and target simulators. The three-axis turntable adopts an O-U-T structure to simulate the three degrees of freedom of rotation of an aircraft: roll, yaw, and pitch. The dual-axis turntable adopts an O-U structure to realize the two degrees of freedom of rotation: azimuth and pitch, simulating the relative motion (pitch and yaw line-of-sight angle) between the aircraft and the target .
1. Maximum load: Three-axis turntable: ≥ 35 kg (including mounting fixture) ; Dual-axis turntable: ≥ 80 kg (including mounting fixture) ;
2. Load dimensions : Three-axis turntable: ≥φ300mm × 600mm ; Dual-axis turntable: ≥φ300mm × 400mm ;
3. Intersection between three axes and two axes: ≤ 1mm radius sphere;
4. Perpendicularity between axes: ±10″;
5. Tilt angle rotation error: ±10″;
6. The approximate dimensions of the mechanical turntable are: length 5000 × width 2500 × height 3600 mm ;
7. Weight: Approximately 15,000 kg.
Main performance indicators
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| Three-axis flight shaft system | Two-axis target line-of-sight axis system |
| Roll | Yaw | Pitch | Azimuth | Pitch |
| Rotary angle range | continuous | ±65º | ±65º | ±60º | ±60º |
| Three-axis and dual-axis relative motion range | With the target simulator installed, the relative limit of the pitch frame of the three-axis turntable and the pitch frame of the dual-axis turntable is ≥40º, the target simulator aperture is φ300mm, and the front end is 600mm away from the center of the turntable; the azimuth movement rotary angle range of the dual-axis turntable is ±40º. |
| Minimum angular rate | 0.001 º/s | 0.001 º/s | 0.001 º/s | 0.001 º/s | 0.001 º/s |
| Maximum angular rate | 400 º/s | 300 º/s | 300 º/s | 50 º/s | 50 º/s |
| Maximum angular acceleration | 4000º/s 2 | 3000º/s 2 | 2000 º/s 2 | 450 º/s 2 | 450 º/s 2 |
| Position accuracy | ±15″ | ±15″ | ±15″ | ±15″ | ±15″ |
| Position repeatability | 7.2″ | 7.2″ | 7.2″ | 7.2″ | 7.2″ |
| Position resolution | 3.6″ | 3.6″ | 3.6″ | 3.6″ | 3.6″ |
| Angular rate accuracy | ω≤10 º/s:0.1 º/s ω≥10 º/s:0.1 º/s |
| Angular rate stability | ω≤1 º/s: 2×10 -2 ω > 1 º/s: 5×10 -3 |
| Frequency response index
| 12Hz | 8Hz | 8Hz | 4Hz | 4Hz |
| Double 10, amplitude calculated based on maximum angular acceleration, peak-to-peak value 1°. |
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