A virtual assembly method based on augmented reality and mobile interaction

A mobile interaction and virtual assembly technology, applied in the field of virtual assembly, can solve the problems of parts damage, limited observation range, inconvenient observation, etc., and achieve the effect of expanding the operating space, expanding the field of vision, and expanding the operating space

Active Publication Date: 2019-03-26
SOUTH CHINA UNIV OF TECH
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Problems solved by technology

Part of the current virtual assembly technology is realized by using computer simulation technology. The virtual assembly realized by this method is not convenient for the operator to observe the assembled parts. The angle of observation is fixed and the scope of observation is limited. Therefore, in the assembly process problems may arise in
The other part is realized based on virtual reality, but the virtual

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  • A virtual assembly method based on augmented reality and mobile interaction
  • A virtual assembly method based on augmented reality and mobile interaction
  • A virtual assembly method based on augmented reality and mobile interaction

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[0025] The specific implementation of the present invention will be further described below with reference to the accompanying drawings and examples, but the implementation and protection of the present invention are not limited to this. It should be pointed out that if there are processes (such as interval Kalman filtering and particle filtering algorithms) that are not specifically described below, those skilled in the art can understand or implement them with reference to the prior art.

[0026] There are currently some virtual assembly methods, but there are still some defects that deserve improvement. Part of the current virtual assembly technology is realized by computer simulation technology. The virtual assembly realized by this method is not convenient for the operator to observe the assembled parts. The observation angle is fixed and the scope of observation is also limited. Therefore, in the assembly process There may be problems in it. The other part is based on virt...

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Abstract

The invention provides a virtual assembly method based on augmented reality and mobile interaction. This method uses Leap Motion to obtain the hand gesture data, and projects it into the virtual environment to interact with the virtual model. IKF and IPF are used to estimate the position and direction of the hand. The position of human body is located by the joint data of human body acquired by Kinect, and the virtual 3D assembly robot and the model of assembly parts are projected in front of human body by AR technology. Magnetic force feedback uses the electromagnetic force to make the operator feel the interaction force between the parts in the assembly process. The present invention utilizes AR technology to allow an operator to view a part without dead angle of 360 degrees, The immersion feeling in the virtual assembly process is improved, and the electromagnetic force feedback makes the operator feel the interaction between the parts more clearly, so that the fitness between the parts can be known, the situation of the real assembly is closer, and the operation is more natural and convenient.

Description

technical field [0001] The invention relates to a virtual assembly technology, in particular to a virtual assembly method based on augmented reality and mobile interaction. Background technique [0002] In the traditional assembly process, due to the lack of digital assembly verification and actual assembly simulation in the initial stage of the assembly process and the design of assembly tooling, often in the actual product assembly stage, interference between parts and unreasonable assembly sequences often occur Or the inconvenient phenomenon of assembly tools and equipment, and the quality hidden dangers of many parts in the manufacturing stage or the rationality of assembly tools and equipment are only revealed in the actual assembly process. Therefore, the assembly cycle of the product is very long, the rework rate is high, the assembly quality is unstable, and the first-time success rate of assembly is reduced, which seriously restricts the improvement of production ca...

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Application Information

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IPC IPC(8): G06F3/01
CPCG06F3/011G06F3/016
Inventor 杜广龙邓勇达李方张平
Owner SOUTH CHINA UNIV OF TECH
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