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Method and device for measuring delivery speed of continuous casting pieces in real time

A technology of real-time measurement and speed, applied in the direction of measuring devices, radio wave measurement systems, using re-radiation, etc., can solve the problems of heavy calculation workload and small coverage of single camera, and achieve high positioning accuracy and wide coverage frequency range , Strong anti-multipath effect

Active Publication Date: 2020-02-21
CHINESE FLIGHT TEST ESTAB
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Problems solved by technology

[0006] Purpose of the present invention: In order to solve the problems of the current photographic photoelectric measurement method, such as the small coverage of a single camera and the large workload of calculation, the present invention proposes a real-time measurement method for the exit speed of continuous delivery parts

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  • Method and device for measuring delivery speed of continuous casting pieces in real time
  • Method and device for measuring delivery speed of continuous casting pieces in real time
  • Method and device for measuring delivery speed of continuous casting pieces in real time

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Embodiment Construction

[0048] figure 1 It is a schematic flow chart of the method for real-time measurement of the out-of-chamber speed of continuous casting pieces according to an embodiment of the present invention.

[0049] Such as figure 1 As shown, the method may include the following steps:

[0050] Calibrate the spatial position and positioning error in the body coordinate system of the UWB base station;

[0051] The ultra-wideband base station receives the ultra-wideband signal fed back by the positioning tag on the continuous delivery piece in real time, and calculates the real-time distance between the continuous delivery piece and the positioning base station;

[0052] The positioning server obtains the distance information of the positioning base station, and according to the calibration and calibration information, obtains the position component of the continuous casting part in the moving direction;

[0053] Smoothing the position component and calculating the velocity;

[0054] Re...

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Abstract

The invention provides a method for measuring the delivery speed of continuous casting pieces in real time, the method is applied to a positioning system, and the positioning system comprises a positioning base station and a positioning label. The method comprises: the spatial position of the positioning base station is measured; the positioning base station detects the positioning label preset onthe continuous casting piece and sends out a positioning response signal in real time; according to the positioning response signal, distance information of the continuous casting piece relative to the positioning base station is calculated; according to the spatial position of the positioning base station and the distance information, a position component of the continuous casting piece in the motion direction is resolved; and the position component is calculated by adopting a least square method to obtain the delivery speed of the continuous casting piece.

Description

technical field [0001] The invention relates to the field of flight test and airborne test, in particular to a method and device for real-time measurement of the exit speed of continuous delivery parts. [0002] technical background [0003] In the airdrop and airborne scientific research flight, it is necessary to obtain the movement trajectory of the airdropped cargo in the cabin, so as to obtain the cargo's exit speed, combined with the aircraft's flight configuration, attitude, flight speed and other parameters, it can provide an important basis for the design and finalization of the aircraft . [0004] At present, the principle of photogrammetry is adopted in the airdrop test flight, and the moving image of the cargo is collected by a high-speed camera fixed in the cargo compartment, and the trajectory and speed of the cargo are obtained by interpretation and calculation after the event. The positioning accuracy of the photogrammetry method can reach the centimeter leve...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01S11/02
CPCG01S11/026
Inventor 柳琦王创海惠广裕陈贝何红丽
Owner CHINESE FLIGHT TEST ESTAB
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