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Robot fish mimics natural fish organ to guide itself
TALLIN, Estonia,[url=http://www.tymarc.com/]cheap christian louboutin[/url], March 6 () -- European researchers say they've created the first robot fish with a guidance system based on a sense organ possessed by all living fish.For 14 years a research project funded by the European Union has been working to develop efficient underwater robots based on biological principles.Now researchers say they've developed a robot fish controlled with the help of lateral line sensors that mimic the sensing organ found in nature.In living fish -- and now in the robot version -- lateral line sensors create a flow "landscape" that helps them orient themselves,[url=http://www.ksacinc.com/christianlouboutindiscount]christian louboutin discount[/url], navigate and control their movements."So far flow in robotics is treated as a disturbance that drives the robots away from their planned course,[url=http://www.arch-eyes.com/]cheap christian louboutin[/url]," researcher Maarja Kruusmaa of Estonia's Tallin University of Technology said. "We have shown that flow is also a source of information that can be exploited to better control the vehicle."A fish robot with lateral line sensing can save energy by finding energetically favorable regions in the flow where the currents are weaker or by interacting with eddies so that they help to push the robot forward, the researchers said."It is similar to reducing your effort in the tailwind of another cyclist or reducing the fuel consumption of your car by driving behind a truck," Kruusmaa said.