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THE 3D viewing systems they can interface with multiple devices, in particular with most of the types of robot. They are also able to communicate signals so that the robot performs the instruction indicated by the Chamber, after carrying out the desired check.
There three -dimensional vision It comes from a completely natural idea, as it is inspired by one of the most important organs of our body: the eye. We humans have the opportunity to see what surrounds us with two eyes, both able, thanks to their spaced position and with their own angle, to detect the depth. Thanks to the elaboration that is made in the brain we are able to bring together all possible information.
3D viewing systems can be integrated by multiple cameras or one or more laser displacement sensors (Profilometers).
There 3D viewing Multicamera, in the robot guide, provides information on the orientation of details to be displayed.
On the contrary, the applications of the 3D prophythmish sensors usually include the inspection of the surface and the measurement of the volume, giving 3D results with a single room. The object or camera must be moved (also through a conveyor belt), to scan the entire product.
The industrial system is able to calibrate and drive the robot through the use of 3D systems or 2D rooms. An example of application is the possibility of withdrawing from a pallet, a specific component to introduce it within the production line or in an end -of -line to take individual products and proceed with the packaging.
3D profiles are laser sensors that can scan the underlying object. In particular, thanks to a particular laser blade, they manage to acquire each line of the blade that scans the product. To ensure that the prophylometer works, he must or himself be in motion (perhaps thanks to a robot arm that transports it), or, if the sensor is fixed, the object to be scanned must be moving under it, with the use for example of a transport ribbon.
The 3D viewing system detects and guides the movement, to avoid any dimensions, at the time of the withdrawal. The procedure is divided into two macrofases:
This type of technology has opportunities in various industrial sectors, including:
There stereoscopic vision It is a technology that offers a quick recording of the images including a large acquisition area. Two cameras are generally used with this method. As with human eyes, the two chambers are placed in a mowed way to acquire the image from two different perspectives.
The software It takes into consideration the positions of the rooms, compares the corresponding points in the two images acquired, identifies the differences and generates a cloud of 3D points.
The vision system 3D is able to calibrate and guide the robot through the use of a laser scanner. An example of application is the possibility of installing a specific component within a car. The vision system detects and coordinates the movement to avoid any dimensions at the time of entry into the car. The procedure is divided into 3 phases:
• Analysis of the car's position through some reference points, and calculation of the dimensions for the robot passage.
• ingress in the car of the integrated robot arm of the vision system, and evaluation of the installation site.
• Component pick and place.
One of the advantages of the stereoscopic vision consists in the acquisition of the 3D image with a single shot, unlike the profiles where it is necessary to carry out a scan of the object to be displayed. This system therefore has shorter processing times but cannot reach the degree of detail of 3D laser systems.
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