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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Eckert, J. German, R. Dressler, F. |
| Copyright Year | 1963 |
| Abstract | We study the relevance of highly precise indoor localization techniques for quadrocopters and present an ultrasonic sensor system that achieves excellent localization performance, although the system has to rely on the limited computation resources of sensor nodes used for time-of-flight-based localization. Quadrocopters, i.e., flying four-rotor robots, are on-board sensor controlled systems. In comparison to classical monorotor objects (helicopters), the quadrocopters can be piloted with much lower effort. However, lateral drifts cannot be compensated for only referring to the built-in sensors. Nonetheless, the detection of such drifts is strongly necessary for indoor operation-without any corrections, the quadrocopter would quickly cause a collision. To compensate for the dislocation, we developed an indoor-localization framework for time-of-flight-based localization using ultrasonic sensors. It is optimized for use in sensor nodes with low computational power and limited memory. The system is designed for high scalability and to provide high accuracy, even in the case of erroneous measurements. The developed hardware platform is very lightweight to be carried by mobile robots and flying quadrocopters. Based on our real-time localization system, position controller and navigation functionality can be implemented. |
| Sponsorship | IEEE Instrumentation and Measurement Society Bureau international des poids et mesures IEEE International Bureau of Weights and Measures (BIPM) URSI NBS Agency Ind. Sci. & Technol., Min. Int. Trade & Ind. Sci. Council Japan International Union of Pure and Applied Physics (IUPAP) NIST NRCC National Conference of Standards Laboratories (NCSL) Allen Osborne Associates Andeen-Hagerling, Inc. Ballantine Lab. Inc. Clarke-Hess Communications Research Corp. Fluke Corporation Guildline Instruments Hewlett-Packard Co. Julie Res. Lab. Inc. Keithley Instruments, Inc. Measurements International Ltd. Canada QuadTech Inc. Quantum Design Inc. Rotek Instrum. Corp. Tegam Inc. Tektronix Inc |
| Starting Page | 336 |
| Ending Page | 344 |
| Page Count | 9 |
| File Size | 684243 |
| File Format | |
| ISSN | 00189456 |
| Volume Number | 60 |
| Issue Number | 2 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2011-02-01 |
| Publisher Place | U.S.A. |
| Access Restriction | One Nation One Subscription (ONOS) |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Robot sensing systems Ultrasonic imaging Ultrasonic variables measurement Accuracy Estimation Equations ultrasonic Flying robot indoor localization sensor network |
| Content Type | Text |
| Resource Type | Article |
| Subject | Instrumentation Electrical and Electronic Engineering |
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