The constructors of trucks and his providers form part of one of the five main groups of visitors to which goes directed the fair Vision 2012 together with the construction of machinery, the electronic industry and of electrotechnics, the sector of the processing of images in yes, and the medical technology. According to a survey realised between the visitors to the Vision 2011, roughly 17% proceeded of the surroundings of the car industry. Besides, the skilled department in the Industrial Processing of Images inside the German Association of constructors of machinery (VDMA), together with the manufacturers of trucks and his providers occupy the first place between the customers of technologies of processing of images. They are responsible of a fourth part of the volume of global sales inside the German sector of processing of images in the 2010.
The high exigencias of quality in the production of vehicles involve new challenges for the manufacturers of the field of processing of images, as they show it some of the display units of the Vision 2012: “A challenge for the modern systems of processing of images is, for example, distribute the complex tasks of comprobación in several intelligent tasks, so that the user can follow them controlling and dominated”, affirms Hansjörg Hutt, adviser of projects MV of Festo. For the providers of the car industry treats to check that the manguitos of rubber are very mounted in the coatings inner of the tourisms. To date, the problem has been the relation between the size of the component of the revestimiento and the manguito of rubber relatively small and the necessary resolution for the sensor. With the end to be able to detect with hygiene the failures of setting, Festo based in the adaptation of the visual field of the camera to an alone manguito instead of to all the piece of revestimiento and in the trip of the camera of a position of comprobación to the following. The trick: the system of camera autoposiciona thanks to the PLC integrated cheese cheese, and the lighting of the dome is guided also of form synchronised, without any type of communication with the PLC of upper order. According to Hutt “the advantage of this system is that thanks to the small section of the image achieves a high resolution and, therefore, a high precision, being the relations of stable lighting and homogéneas at the same time that it reduces the need of communication with the control of upper order. This allows to suppresses a PLC for the manipulation, what to his time reduces the costs”.
Every time are more frequent the situations in which it is not sufficient to take an image in 2D. This is what have been able to detect, for example, the experts of ISRA Vision, that also are display units of the Vision 2012, when withdrawing directly with the robot pieces without classifying of a tank of transport and supply them immediately and without any laborious mechanical construction to the process of production. To way of example mentions the gross construction of trucks, where a robot has to withdraw of a container the gross material for forges it of disks of brake. “In the practice does not suffice with that the robot realise always the same movement", it affirms Nicole Rüffer, manager of marketing of ISRA Vision, “but besides it has to be able to be able to react of flexible form in front of other positions of the object. The solutions with systems of cameras in 2D fracasan often because the relations of contrast are so difficult that do not allow the vision in depth”. To such end, this manufacturer offers a highly flexible solution with the sensor 3D SHAPEscan whose special intelligence roots in the sophisticated software. In combination with two standard cameras and a special lighting by laser, this sensor allows to determine the exact position of each one of the pieces in the box. “In this way the companies of production can save considerably in costs and in valuable time of production, and increase at the same time the flexibility of the production of significant form. All this accompanied by a lower broadcast of noise, a simple installation and practically without need of additional space”, like this describes Rüffer the advantages.
But the car industry benefits also of the innovative intelligent cameras. In this sense, Vision Components, expositor of the Vision 2012, recommends the cameras in 3D VC-nano to effect the control of quality and the guide robotizada. These same cameras have been used successfully by EngRoTec-Solutions, for example, in stations on line during the process of production for the measurement of sides of vehicles. Vision These intelligent cameras are simply perfect because his structure —laser, camera and intelligence combined in a same carcasa— allows that they can be used for tasks of comprobación so much in 2D as in 3D, what has allowed to increase enormously the efficiency of the installations”, affirms Miriam Schreiber, manager of marketing of Vision Components. The integrated cheese cheese processor that allows to process immediately the data of the images taken supposes an advantage prestacional for the intelligent camera. In this way it is possible to evacuate the no satisfied pieces the before possible. Besides, according to the Lady Schreiber, reduces to the minimum the number of components and, therefore, also his maintenance.
“Up to now, the systems of processing of images have been installed and controlled mainly by specialists. In the future, increasingly users without specific knowledges will use solutions of processing of images, since these technologies result to be fundamental for a lot of other sectors further of the car industry”, comments Rüffer. The challenges of the future are a handle intuitive, some interfaces of attractor trucks control and some automatisms that work perfectly. Rüffer Continuous: “it Results indispensable to avoid the complex parametrisations, therefore, the capacity of autoaprendizaje of the systems has to be every time better”.
This year the Vision will be especially interesting since it celebrates his XXV anniversary and is the first time that all the display units are under a same ceiling in the high pavilion 1 of the enclosure ferial of Stuttgart. More than 21.000 square metres gross prepared for the presentation of innovative components of processing of images like cameras, sensors, digitalizadores of video, lightings, laser, optical, aims, software, systems of processing of images, solutions of application and services. In this chamber of century, the Vision has transformed like platform of presentation and communication in a fair that gathers to all the key actors. Besides, every time it is more focused to the applications. A miscellaneous program frame will offer also this year the possibility to satisfy the curiosity by the last tendencies, technologies and practical examples of the processing of images.
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