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Feasibility of inductive communication between millimeter-sized robots

: Kim, S.; Knoll, T.; Scholz, O.


IEEE Robotics and Automation Society; IEEE Engineering in Medicine and Biology Society -EMBS-:
The First IEEE/RAS-EMBS International Conference on Biomedical Robotics and Biomechatronics, BioRob 2006 : February 20 - 22, 2006, Pisa
Piscataway, NJ: IEEE, 2006
ISBN: 1-424-40040-6
ISBN: 1-424-40039-2
IEEE/RAS-EMBS International Conference on Biomedical Robotics and Biomechatronics, <1, 2006, Pisa>
Conference Paper
Fraunhofer IBMT ()

This paper shows the feasibility of inductive data transmission between millimeter-sized (2×2×1 mm3) swarm robots. To fulfill the size restraints, the coils used were fabricated by micromachining (MEMS) technologies. Since the induced signal at the receiving coil was very small due to the low coupling coefficient, a high amplification gain of the signal amplifier was necessary. Transmitter and receiver electronics for data transmission were constructed and the quality in data transmission between two 2×2 mm2-sized micromachined coils was evaluated. With a continuous power consumption of 270 W in the transmitter, data transmission was successful without communication error up to a distance of 7 mm, which was considered as a minimum communication range needed to enable 2×2 mm 2 robots to behave as a swarm.