The researchers are using the technology to track how cockroaches respond to the remote control, with the goal of developing ways that cockroaches on autopilot can be used to map dynamic environments such as collapsed buildings.
The researchers have incorporated Microsoft’s motion-sensing Kinect system into an electronic interface developed at NC State that can remotely control cockroaches.
The researchers plug in a digitally plotted path for the cockroach, and use Kinect to identify and track the insect’s progress. The program then uses the Kinect tracking data to automatically steer the cockroach along the desired path.
The program is also said to use Kinect to collect data on how the cockroaches respond to the electrical impulses from the remote-control interface. This data will help the researchers fine-tune the steering parameters needed to control the cockroaches more precisely.
‘Our goal is to be able to guide these cockroaches as efficiently as possible, and our work with Kinect is helping us do that,’ said Dr. Alper Bozkurt, an assistant professor of electrical and computer engineering at NC State and co-author of a paper on the work.
‘We want to build on this program, incorporating mapping and radio frequency techniques that will allow us to use a small group of cockroaches to explore and map disaster sites,’ Bozkurt said in a statement. ‘The autopilot program would control the cockroaches, sending them on the most efficient routes to provide rescuers with a comprehensive view of the situation.’
The cockroaches would also be equipped with sensors, such as microphones, to detect survivors in collapsed buildings or other disaster areas. ‘We may even be able to attach small speakers, which would allow rescuers to communicate with anyone who is trapped,’ Bozkurt said.
Bozkurt’s team had previously developed the technology that would allow users to steer technology remotely, but the use of Kinect to develop an autopilot program and track the precise response of cockroaches to electrical impulses is new.
The interface that controls the cockroach is wired to the cockroach’s antennae and cerci. The cerci are sensory organs on the cockroach’s abdomen, which are normally used to detect movement in the air that could indicate a predator is approaching. The researchers use the wires attached to the cerci to spur the cockroach into motion. The wires attached to the antennae send small charges that trick the cockroach into thinking the antennae are in contact with a barrier and steering them in the opposite direction.
The paper, ‘Kinect-based System for Automated Control of Terrestrial Insect Biobots,’ will be presented at the Remote Controlled Insect Biobots Minisymposium at the 35th Annual International Conference of the IEEE Engineering in Medicine and Biology Society July 4 in Osaka, Japan.
Lead author of the paper is NC State undergraduate Eric Whitmire. Co-authors are Bozkurt and NC State graduate student Tahmid Latif. The research was supported by the US National Science Foundation.
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