You think that these robots would start investing in a GPS system. Recently, Singularity Hub covered the Tweenbot, a simple cardboard-wrapped automaton that was guided through New York City by the hands of New Yorkers. The next step in the lost robot evolution has appeared: Autonomous City Explorer (or ACE) a robot that navigated the mean streets of Munich just like any tourist would: by asking directions from the natives. ACE identified and queried people around it to point it in the right direction, and, against my most cynical expectations, it arrived safely and sound at its destination. (Check out the video from New Scientist and the end of the post)
Autonoumous City Explorer (ACE) navigated Munich by the friendly finger-pointing of humans.
So what makes this lost robot so unique? Unlike its tween counterpart, ACE isn’t just picked up and pushed in the right direction. The bot is roughly human sized and packed with instruments to help it detect and query humans for help. First, there are cameras and image recognition software geared towards finding people and moving ACE towards them. When a human is found, an audio message is played while virtual lips move on a screen. If the human is friendly (aren’t we all?) he or she uses a touch-screen to indicate it’s willingness to give directions. The human will then point in the direction ACE should go.
And ACE follows your finger! That’s really kind of cool. By using multiple cameras and more image software, ACE is able to build a 3D model of the human and where he or she is actually pointing to. Compared to a toddler, this isn’t a remarkable skill, but following visual cues is really difficult for most robots out there. ACE also prompts its helper human to use the touch-screen to suggest a given path, but in the end, it can rely on just the pointing.
ACE’s point and go navigation avoids the hassle of interpreting humanity’s subjective audible directions. “It’s over there, behind that building, then you sort of take a right and keep going for a while.” —that’s a message fit to make a robot pull its hair out. ACE just has to query enough people (38 for its maiden voyage) and it will build up a developing map of its surroundings. Simple and effective, the ACE system allowed the robot to travel little more than 1km in 5 hours. Not a speedy journey, but very promising.
Just wait ’til your robot comes home!
While Tweenbot is definitely the cute one, and ACE is light years ahead in technology, both lost bots illustrate how humanity and robots are being taught to work together. According to ACE’s mandate, it seeks to develop new cognitive abilities to make robots more useful in a human-rich environment. Likewise, Tweenbot was an experiment in humanity’s generosity (read here: kindness to something foreign). As robots leave the factory and warehouse (sorry KIVA), they will have to accommodate the needs of, and rely on the input from humans.
The ACE experiment showed that the robot-human interaction could be successful, but it wasn’t very efficient. It also demonstrated human willingness to interact with the artificial, but would this trend continue once the robot’s novelty wore off? The secret is making robots more life-like (what’s more human than wandering around asking for directions) and making humans more robot-aware. Human-like robots may be destined to take a larger part in our society, but only if we decide to accept them. Experiments like ACE and Tweenbot show that the potential exists, we just have to find it. Luckily, we have people (and robots) willing to point us in the right direction.
Tags: human-robot interaction, lost robot, navigation, robotics, robots
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“It also demonstrated human willingness to interact with the artificial, but would this trend continue once the robot’s novelty wore off?”
Well, 30 years later, we’re all re-buying 8-bit Nintendo games on the Wii. I don’t think robots have too much to worry about, other than the usual ignorance and prejudice involved with losing your job to a competitor (witness the demonization in America of Mexican immigrants who take jobs no one living here wants. And the sad truth is, the majority of illegal workers in the US are Canadian, taking the white-collar jobs we DO want, but they go unnoticed because they’re not brown.)
We actually might be doing a story soon about how robots taking jobs might affect the implementation of robotics in the US.
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