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Localization is one of the main tasks of autonomous mobile robots. There are many approaches on how to determine the robot's position with reasonable precision, as with the use of sensor fusion (IMU, GPS, Image, LiDAR). Even though it is possible to achieve high precision with these sensors combined, a solution that requires less resources in terms of processing, energy consumption and yet provide...
This work proposes a low cost calibration method for micro-electro-mechanical inertial (MEMS) gyroscopes, using a camera pan-tilt base. The use of MEMS gyroscopes in practical robotics measurements requires preliminary calibration. Three calibration procedures are currently found in the literature to estimate the sensor calibration parameters which are based on static, quasi-static and dynamic measurements...
We present the design and fabrication process for an electrochemical “electronic nose” type sensor. This metal oxide based system focuses on the detection of ammonia as a possible sign of Ammonium nitrate based explosives, the main ingredients used by Armed Groups outside the law in Colombia for their Improvised Explosive Devices. The characterization of the conductivity variations of the zinc oxide...
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