yyTomoaki Ohtsuki

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The authors developed an automatically controlled manipulation system for subsea operation. The manipulation system was developed to provide inspection, cleaning and maintenance, that have been accomplished by divers, at an ocean oil exploitation platform in maximum 200 m depth under the water. The manipulator is designed to have one extension arm and two(More)
Asymmetric Digital Subscriber Line (ADSL) is a transmission system capable of realizing rates from 1.5Mbps to 9Mbps over existing telephone lines. In Japanese subscriber lines, however, the data rate performance of ADSL decreases severely when adjacent time compression multiplexing ISDN (TCM-ISDN) lines cause crosstalk noise to ADSL line. We propose using(More)
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