The practice of industrial robots in many countries in the world for nearly half a century shows that high-efficiency and precise robots are the gospel of industrial development. The complete set of industrial robotic automated production lines will become the mainstream and future development direction of automation equipment. Recently, a "robot killing" incident in the German Volkswagen factory quickly triggered a hot discussion about artificial intelligence and robot applications. Human beings were caught in doubts and panic about the safety of robots.
Event review
According to the "Financial Times" report, on July 1, at the Volkswagen Kassel plant in Germany, a staff member was hit by a fixed robot when it was debugged, and the robot was heavily pressed on a metal plate and died. The initial determination of the accident was caused by human error, not a robot problem.
Artificial intelligence security question
The original report explains this as an ordinary industrial accident, but people seem to be very uncomfortable with this statement - robots given automation and artificial intelligence can't identify humans and industrial products, and accidental mistakes can cause humans to become victims. ? !
Faced with the increasing trend of human-computer collaboration, robots are no longer limited to working in closed areas, and they can gradually collaborate side by side with people in open areas. How to ensure that the robot does not harm humans working with it? The German "robot killing" incident has undoubtedly sounded the alarm of human-computer safety.
"Human-machine collaboration is a basic premise that people and robots cooperate with each other, and that a robot that is highly safe and intelligently avoids harm to humans is the basic premise of smooth cooperation." The person in charge of the technical robot product line of Huichuan said.
Adhering to the consistent pursuit of high safety specifications, in the exploration of industrial robots, Huichuan Technology is committed to providing robot core components and integrated solutions. The design of safety from top to bottom, from the inside out, from the parts to the whole machine, both soft and hard, rooted in all aspects of the system, to provide users with a truly highly secure robot control system solution.
(1) Electrical solutions are the cornerstone of safety robots
The industrial solutions of industrial robots mainly include robot control systems, servo drives, servo motors and various sensors. Huichuan technology breaks down from three aspects: industrial robot control system, high-performance servo system and industrial vision to create a comprehensive and safe electrical solution. .
1.IMC100 robot control system: highly intelligent brain
As a vehicle for industrial robotic motion and field technology, the IMC100 controller is like a highly intelligent central brain. Its high-speed real-time EtherCAT design scheme has a synchronization period of 125us for the main station and a jitter time of less than ±0.04us, which can quickly respond to field faults. The multi-degree-of-freedom robot dynamics decoupling control directly controls the motor current to make the robot run safer.
2.IS620N servo system: strong heart + sensitive nerve
ISMH series servo motors provide 3-4 times overload capability; its real-time inertia identification, friction recognition function and various filter designs are enough to help the robot face various complex environments and ensure safe operation throughout the entire process.
3. Industrial vision: intelligent recognition high-precision error-free detection
The Huichuan Technology Industrial Vision System covers high dynamic image synthesis technology to enable customers to achieve high-end visual application development. The sorting software Sort adopts the intelligent recognition model of human visual simulation, from image acquisition to intelligent classification, ensuring that the robot can make sorting without error, effectively avoiding “mistakes†to the staff.
(2) Deepen safety technology to all aspects of robots
Safety technology is a necessary condition to ensure the normal operation of the equipment. Under the current trend of human-computer collaboration, the work of industrial robots is no longer isolated from humans, but more and more directly involved in and assist human work. Therefore, safety technology should be the design of industrial robots. Technology.
In order to promote industrial upgrading and create an industrial robot solution that truly works in harmony with people, we have focused on the following design.
1. Autonomous collision detection
The company's robotic products monitor the presence of a collision at any sporting moment. Based on the automatic learning function, online monitoring and diagnosis of repeated trajectories collide; based on dynamic model control, actively predict whether non-repetitive trajectories collide; at the same time, it can realize torque and speed limitation in robot failure and impact, and finally achieve safety. Stop.
2. Automatic avoidance of safe areas and obstacles
The safety zone is a safety protection measure for the working area and running speed of the robot. The user can set different levels of safety zones (emergency stop zone, alarm zone, deceleration zone) according to the application. When the robot enters the set zone, the robot control system will There will be corresponding safety precautions. The robot products of Incheon Technology can:
a) according to the simulation software, the obstacles around the device are designed into the robot motion region to form an interference region;
b) providing 3D visual recognition technology, identifying the shape, trajectory, etc. of the processed workpiece, and simultaneously identifying and extracting features of the non-working area and the path to form an interference region;
c) After the robot stops due to failure, impact, etc., restart the robot under safe speed, safe torque and other conditions and safely return to the original point, reducing the difficulty of human operation.
3. Flexible interface that can be flexibly configured
According to the actual needs of the site, the security interface can be flexibly configured to support the security signal interface of the raster signal security interface, the security gate signal security interface, the three-bit enable switch security interface, and the dual-bit reset security interface. The robot control system can make corresponding safety protection measures according to the configured safety interface signal feedback.
a) The servo drive module provides the STO safety function;
b) Access auxiliary equipment such as safety gates and safety gratings to ensure safety protection during commissioning and operation.
4. Lightweight man-machine collaboration
a) Implanted robot sensing technology: force sensing technology, visual perception technology, making robot and human collaboration easier;
b) Built-in servo current abnormal intelligent detection technology to ensure safety.
(3) Strictly implement the testing standards of robots
All the core components of the robots provided by Incheon Technology strictly comply with relevant testing standards, comply with IEC61508 series, ISO13849, IEC62061 basic standards, in accordance with IEC 61800-5-2 (drive products) and IEC 61131-6 (controller products), EN 61131 -2, EN 61800-3 product standard.
Huichuan technology does not directly produce industrial robots, but we provide real safe core components and solutions for industrial robot systems. The safety performance and technology of industrial robots are refined and implemented, and the industrial robot industry is upgraded. Industrial automation and human-machine collaboration provide a fully applicable and truly secure robotic solution.
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