Chainsaw robots helping keep trains running safely in east Japan [Video]

Chainsaw-wielding robots are making waves in Japan's rail network, proving that robotic technology can play a role beyond human safety. Japan's East Japan Railway Company, or JR East, is constantly monitoring its tracks and carriages for potential issues that could disrupt service. When a problem is identified, a crew is dispatched to handle the maintenance. In one instance, chainsaw-wielding robots helped clear tree branches over tracks near Nobeyama Station in Nagano Prefecture.

The robots, which are essentially humanoid machines attached to vehicles capable of traveling on rails or streets, come equipped with a multi-pronged claw for grabbing debris and a chainsaw in their right hand. This new addition to JR East's maintenance fleet was introduced in March of this year, but public sightings have been limited. The company traditionally schedules maintenance projects during nighttime hours to avoid disrupting passenger service.

The robots have received mixed reactions from the public, with some expressing excitement and awe, while others draw comparisons to popular science fiction films. JR East hopes that increasing the use of robots during daylight hours will help accommodate maintenance workers' requests for day shifts, but this could also lead to more frequent line closures. Despite this, the company remains hopeful that passengers will appreciate the opportunity to see these cutting-edge robotic maintenance solutions in action.