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The attempts of robot implementations and simulation framework designs for the solution to three dimensional robot active olfaction problems are reviewed. A numerical model is proposed to dynamically simulate the gas dispersion under the air flow disturbance introduced by the rotating propellers of gas-sensitive unmanned aerial vehicles (UAVs). The model is an interdisciplinary approach that integrates...
This paper presents a multiple-fan wind tunnel based on active control technology. The wind tunnel has 6 swivel plates which can rotate in −90°∼+90° at the entrance. Each swivel plate consists of 8 fans. The wind field in the wind tunnel can be changed by controlling the fan speeds and the angles of swivel plates. We use a master-slave control structure, instead of the previously used lumped structure,...
For the uncertain impact of ship air wake and deck motion to the landing process, the traditional automatic carrier landing system lacks flexibility and accuracy. This paper designs fuzzy controller for automatic carrier landing of aircraft. The application examined is a F/A-18 Fuzzy Logic Automatic Carrier Landing System (FACLS). The FACLS has seven inputs, two outputs, and several hundred fuzzy...
The odor source localization using a mobile robot in time-variant airflow-field environment is considered. A novel estimation-based plume tracing method is proposed in this paper. Based on the odor-patch path estimated by the flow information when odor clues are found, a searching route is planned for the mobile robot to trace the plume. To have fair and statistic comparisons with both the spiral-surge...
At present, odor sensors and anemometers are simply used by most chemical plume tracing algorithms to measure the concentration and wind speed/direction, respectively. To make full use of the information of concentration and wind for chemical plume tracing, the concept of virtual odor-source-probability sensor (VOSPS) is put forward. The VOSPS adopts the data of odor sensor and anemometer as input...
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