CONTRACT MANUFACTURING
Autonomous Machine Vision AI The second generation of AMV systems is based on continuous research and advancement in Autonomous Machine Vision AI (AMV-AI). This method of neural networks formulation and architecture is specifically developed to mimic the human cognitive vision process end-to-end. AMV-AI is powered by three independent
and synergetic AI-based engines. The first is the acquisition AI engine, in charge of dynamically adapting the operating parameters of the electro-optical imaging system in real-time to support multiple different vision tasks. The second is the detection and alignment AI engine, in charge of the identification, classification and 3D alignment of any object within the acquired image, after a single input sample. This engine allows the system to recognise the parts it sees in a live video stream and identify the best moment to acquire an image and complete the last task – inspection, which is performed by the third AI engine.
Ideal for electronics
In electronics, quality control is a top priority for most manufacturers. However, the complexity of items such as printed circuit boards (PCBs), smart sensors and microcontrollers makes quality assurance particularly challenging. The presence of a variety of hardly visible components, whose absence or malfunction might compromise the functionality of the item, makes manual quality inspection even more unreliable than in other applications.
In addition, the reflective properties of many metals and plastics used in electronics are a challenge for traditional machine vision solutions, which cannot illuminate the item correctly and, consequently, fail to take clear and informative images. In this way, defects can go unnoticed until much later in the process, when time and energy has been wasted creating the product. In other instances, machine vision solutions might
send an alert for defects that are not there, only because the reflection makes the product look faulty.
However, as it is fundamentally different to traditional machine vision solutions, the INSPEKTO S70 Gen.2 can easily overcome these issues and be successfully used for the quality assurance of complex electronic items. It has already proved effective and reliable in identifying common defects in PCBs such as excessive or missing solder, component misalignment or component absence.
Autonomous Machine Vision systems can easily be set up to inspect even the most complex electronic items. Users just need to mark the borders of the item to inspect using a standard mouse, present 20 to 30 good items, and the system will automatically recognise when its knowledge of the object is strong enough to start inspecting. There is no need to provide defected items, nor images of possible defects or rules to describe them. Moreover, during this quick and simple training process, sample items
do not always need to be presented in the exact same position or orientation — the system will recognise the object in 3D space regardless of how it’s presented. This procedure can be repeated any time the system needs to inspect a different item. Helpfully, the previous settings won’t be lost and the system can effortlessly transition from one item to the other. Moreover, the S70 Gen.2 can be attached to any Bosch profile and comes with a flexible mounting system that offers endless options to accommodate different line setups. This means that the system can easily be moved to a new location when necessary, making it extremely versatile compared with traditional machine vision solutions and therefore ideal for production or assembly lines with frequent turn-over, or for the inspection of small batches of products. The flexibility, immediacy and ease of use of the S70 Gen.2 opens the door to automated quality assurance for manufacturing plants of any size.
“Inspekto has always supported the idea of democratising quality assurance,” said Yonatan Hyatt, CTO of Inspekto. “What excites us is that the S70 Gen.2 also allows small manufacturers to enjoy the benefits of automated quality inspection, without losing their agility and flexibility. Until recently, such technologies were reserved for large corporations.”
“With the S70 Gen.2, manufacturers of all sizes, in many industries, can reap the benefits of machine vision that feels like magic, but is actually based on the most state-of-the-art AI and computer vision technologies,” said Ofer Nir, CEO of Inspekto. “This new generation of S70 systems further expands the capabilities of our proven solution, enabling agile, reliable and cost- effective quality assurance in applications where it was previously impossible. It truly is a new age for machine vision.”
TIN284 - PCB during the set up process. The system has seen 12 sample items and signals that its knowledge of the item is medium.
Inspekto
www.inspekto.com
JULY/AUGUST 2021 | ELECTRONICS TODAY 41
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