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.

Humanoid for hire

Get your artificial receptionist/valet while supplies last. Japanese manufacturer Mitsubishi Heavy Industries has announced that its humanoid communication robot Wakamaru is now available for rent.

Wakamaru is a sophisticated robot with vision, auditory and touch sensors. The rental project is aimed at businesses, hospitals and events, where the droid will do receptionist and guidance duties. Wakamaru can understand about 10,000 words, retrieve information or emails from the Net with its wireless LAN link, and do a mean upper-body aerobics routine.

The daily rental fee varies according to the lease length. For a lease of 1-5 days, it's 120,000 yen ($970), while 21-30 days is only 20,000 yen ($160). Shipping and management charges extra. The rentals will come with touch panels that can display venue maps and other info.