Visual monitoring parallel tripod head

Abstract

The invention relates to a visual monitoring parallel tripod head which consists of a machine base, a mobile platform, a constraint driving branch chain and two driving branch chains, wherein the constraint driving branch chain is used for connecting the machine base and the mobile tripod head; and the two driving branch chains have the same structure. The two ends of each of the three branch chains, the machine base the mobile platform are symmetrically distributed in a triangular shape; and the constraint driving branch chain of the visual monitoring parallel tripod head consists of two universal pairs and a driving mobile pair, forms a UPU type serial structure branch chain and is connected with the machine base and the mobile platform through the universal pairs. Each of the two completely-identical driving branch chains consists of a universal pair, a mobile driving pair and a spherical hinge, forms a UPS (Uninterrupted Power Supply) type serial structure branch chain, is connected with the machine base through the universal pair and is connected with the mobile platform through the spherical hinge; and a camera is fixedly arranged on the mobile tripod head. The visual monitoring parallel tripod head has the advantages of strong bearing capacity, good stability, large working space, high flexibility, simple structure, fewer mobile branch chains, uneasiness in interference, no automatic fine movement, high precision, easiness in control of driving close to the machine base and the like, overlooking and level visual monitoring within a large scope can be realized, so that the monitoring scope of the camera is enlarged.

Description

technical field [0001] The invention relates to a parallel mechanism, in particular to a visual monitoring pan-tilt mechanism. Background technique [0002] With the continuous development of computer technology, especially the continuous in-depth research in the field of artificial intelligence, more than 80% of the information obtained by human beings from the outside world is through visual channels, thus forming a new discipline - computer vision. The research of computer vision began in the 1950s, and the content of the research is to obtain the relationship between the targets by detecting the targets in the image for low-level image understanding. Since the 1970s, problems such as target detection, segmentation, tracking, and prediction in the field of computer vision have been gradually proposed and solved. In recent years, the research of computer vision has gradually developed towards the practical direction, such as active vision, active measurement, multi-sensor...

AI Technical Summary

Problems solved by technology

Therefore, the importance of designing a visual monitoring parallel pan / tilt can be seen, but as far as the existing research is concerned, researchers are all keen on the software control of the pan / tilt and there is no progress in the research on the pan / tilt mechanism. Most of them are four-degree-of-freedom parallel mechanisms, which are complex, have low dexterity, a small range of motion, low overall positioning accuracy, and insufficient stability

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