Photoelectric pod multi-stage image stabilization/flyback combination control system
An optoelectronic pod and composite control technology, applied in the control/regulation system, non-electric variable control, mechanical oscillation control, etc., can solve the jitter of the optical system, reduce the imaging quality of the optoelectronic pod, reduce the precision load life, and affect the imaging clarity. and visual effects to achieve the effect of large stroke and flexible mechanism
Active Publication Date: 2018-06-01
BEIHANG UNIV
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However, the ubiquitous vibrations (propeller vibration, flutter caused by aerodynamic and structural elastic coupling, etc.) Attitude changes caused by large load maneuvers will cause the visual axis of the optical instruments in the pod to deviate from the expected space inertial pointing, thus causing the optical system in the photoelectric pod to shake, affecting the clarity and visual effect of imaging
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[0065] The present invention will be further described below in conjunction with the drawings and specific embodiments.
[0066] The invention discloses a photoelectric pod multi-stage image stabilization / retrace composite control system, which is composed of a six-degree-of-freedom vibration isolation device 1, an image stabilization control device 2, an image stabilization retrace device 3 and a photoelectric pod; The base of the high-degree vibration isolation device 1 is fixedly connected to the frame of the UAV, and the stage is fixedly connected to the photoelectric pod. The base and the stage are connected through six vibration isolation units. When the base is disturbed by vibration, the The telescopic movement of these six vibration isolation units can weaken the vibration transmitted to the photoelectric pod; the image stabilization control device 2 generates a control force by taking the acceleration of the residual vibration of the photoelectric pod as feedback to f...
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The present invention discloses a photoelectric pod multi-stage image stabilization / flyback combination control system. The system comprises a six-degree-of-freedom vibration isolation device (1), animage stabilization control device (2), an image stabilization flyback device (3) and a photoelectric pod. A substrate of the six-degree-of-freedom vibration isolation device (1) is fixedly connectedwith an unmanned aerial vehicle rack, an object carrying table is fixedly connected with the photoelectric pod, the pedestal is connected with the object carrying table through six vibration isolationunits, and when the pedestal is interfered by vibration, telescoping motion of the six vibration isolation units can weaken the vibration transmitted to the photoelectric pod; the image stabilizationcontrol device (2) can take an accelerated speed of residual vibration of the photoelectric pod as feedback to generate a control force to further inhibit the vibration of the photoelectric pod; andthe image stabilization flyback device (3) achieves image stabilization flyback integration control by measurement of an attitude angle of the photoelectric pod. The photoelectric pod multi-stage image stabilization / flyback combination control system can achieve vibration isolation / inhibition multi-stage image stabilization control and large-range flyback of the photoelectric pod so as to effectively improve the imaging precision of the photoelectric pod.
Description
technical field [0001] The invention belongs to the field of vibration control of aircraft, and in particular relates to a photoelectric pod multi-stage image stabilization / backscan composite control system, which can be used to suppress the vibration interference of the photoelectric pod in a vibration environment, and is especially suitable for the photoelectric pod of an aircraft. The boresight of the optics in the pod is stabilized. Background technique [0002] Image acquisition technology is the most commonly used reconnaissance technology on unmanned reconnaissance aircraft. Photoelectric pods, as the carrier of image acquisition technology for unmanned reconnaissance aircraft, have been widely used on unmanned aerial vehicles, and their imaging accuracy directly affects unmanned reconnaissance. The task of the machine is to achieve quality. However, the ubiquitous vibrations (propeller vibration, flutter caused by aerodynamic and structural elastic coupling, etc.) ...
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IPC IPC(8): G05D19/02F16F15/04F16F15/03F16F15/02
Inventor 李伟鹏郑新涛张弘袁丁
Owner BEIHANG UNIV