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Mitsubishi Electric Develops Fast Force-feedback Control Algorithm

Mitsubishi Electric Corporation (TOKYO: 6503) announced that it has developed a fast force-feedback control algorithm for industrial robots using its Maisart* proprietary artificial intelligence (AI) technology, resulting in low-tolerance precision tasks to be performed with fewer trials and in less time compared to human-supported robot assembly. In company-conducted tests, the algorithm shortened assembly insertion times by about 65 percent without requiring the robots to move violently. Mitsubishi Electric expects the algorithm to improve the efficiency of robotic tasks for assembling electric components, such as printed circuit boards and connecters, and inserting mechanical parts. Mitsubishi Electric will exhibit its new fast force-feedback control algorithm during the International Robot Exhibition at the Tokyo Big Sight exhibition complex from November 29 through December 2.

At a time when interest in human-implemented cell-production systems is increasing, automatic-production systems using industrial robots are also showing great promise in advanced countries like Japan where labor populations are shrinking. Until now, however, automatic systems for precision assembly and insertion operations have required programming and parameter adjustments by skilled personnel to achieve the flexibility of human-implemented assembly processes. Such requirements add to assembly costs and time, which manufacturers have been looking to reduce.

Thanks to Mitsubishi Electric's Maisart AI technology, the new fast force-feedback control algorithm shortens assembly time and eliminates violent movements by assembly robots. The technology allows parameters for tasks such as velocity to be adjusted fast and precisely. In particular, high-precision force-sensor data can be incorporated without stopping the robots. Conventionally, robots are stopped prior to introducing force-feedback control, but Mitsubishi Electric's new algorithm eliminates this step.

Going forward, Mitsubishi Electric will continue applying its proprietary AI technology to develop intelligent industrial robots and fast force-feedback control algorithms for faster and lower-cost assembly systems.

Responsible for the content of this press release: Mitsubishi Electric Europe B.V.


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