| 摘要 |
<p>PURPOSE: A ubiquitous sensor network system for managing personnel is provided to monitor the position of crews in a control office by using a power line installed in a ship. CONSTITUTION: A reader device(10) obtains unique ID information from a tag that a crew carries. A control system(30) receives the unique ID information through a power line and outputs a personnel state in a ship. The reader device includes a reader a and PLC modem a. The control system includes a PLC modem d, a controller d, and a screen output part.</p> |
