2023-06-29
Case: Industrial robots interfering with wireless communication
Description: A manufacturing company has an automated production line that includes multiple industrial robots for completing various production tasks. However, they found that during the operation of the robot, the nearby wireless communication equipment (such as Wi Fi network and Walkie-talkie) appeared frequent interference and interruption, which led to the decline of production line efficiency and communication failure.
Analysis: After investigation, it was found that the electromagnetic radiation generated by the robot during its movement exceeds the level that wireless communication devices can tolerate. This leads to two problems: firstly, the high-frequency electromagnetic interference generated by the robot's motors and drivers disrupts nearby wireless communication signals; Secondly, the robot cable and connector failed to provide enough shielding, so that electromagnetic radiation could leak to the surrounding environment.
Solution:
Design optimization: redesign the motor and drive system of the robot, and adopt the Electromagnetic compatibility optimization design method. This may include using filters to suppress interference generated by motors and drivers, optimizing grounding and shielding structures to reduce electromagnetic leakage.
Cable shielding: Replace the robot cables and connectors with better shielding structures and materials. Ensure that the shielding effect of cables and connectors meets EMC requirements to reduce electromagnetic leakage.
Isolation measures: Physically isolate the robot and wireless communication equipment, such as setting shielding isolation intervals in the production line to reduce the interference of robot electromagnetic radiation on wireless communication.
Testing and Verification: Conduct comprehensive EMC testing and verification before installing and running the production line. This includes simulating the electromagnetic environment during robot operation in a real working environment to ensure that the electromagnetic radiation of the robot meets relevant standards and requirements.
Result: By optimizing the design of the robot system, improving cable shielding and isolation measures, and conducting sufficient testing and verification, the company successfully solved the interference problem of industrial robots on wireless communication equipment. The stability of wireless communication has been restored, and the efficiency and reliability of production lines have also been improved.
This case emphasizes the importance of EMC risks in the design and deployment process of industrial equipment. By considering EMC requirements and taking corresponding measures, interference and conflicts between devices can be reduced, ensuring their normal operation and interoperability in electromagnetic environments. More can be contacted by email, WeChat, phone, etc. Our company will provide you with a one-stop EMC technical service.
Send your inquiry directly to us