Quest for practical robots

A recent article in Newsweek quotes me as saying that Japanese are too in love with robots.

It's a point that is seldom discussed - while U.S. firms like iRobot have turned out hit mass-consumer products such as Roomba that are pragmatic, Japanese companies are still obsessed with building bipedal machines that are very cool but pretty useless.

It's the Astro Boy complex at work. The idea of building a humanoid robot just like the machines of science fiction makes for some very slickly designed robots, but many are marketplace failures.

As the article points out, it's no surprise that Roomba the robot vacuum cleaner has sold over 3 million units, but Mitsubishi Heavy Industries sold only a few dozen of its humanoid communication robot Wakamaru. Granted, the latter was over one hundred times more expensive.

But Japanese engineers are learning that things called "robot" should be practical too. Earlier this month, Toyota unveiled its Winglet electric scooter, similar to a Segway and incorporating robotics technology from Sony's Aibo lab. The automaker calls it "a personal transport assistance robot." Toyota's other robots include a band of humanoid musicians - impressive but nowhere near practical yet. The Winglet, though, is a brilliant fusion of design and functionality.