| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a lighting system for a tunnel capable of improving measurement accuracy of light outputs of lighting fixtures arranged along the tunnel. <P>SOLUTION: For a tunnel system provided with a plurality of lighting fixtures 10 arranged along the tunnel, rails 20 fitted along the arrangement of the lighting fixtures 10, and a cleaning robot 30 capable of cleaning individual lighting fixtures 10 running along the rails 20, the cleaning robot 30 is provided with an illuminance measurement part 30a, by which a light output of the lighting fixture as a measurement object is measured when the cleaning robot 30 is located near the lighting fixture 10 as the measurement object. <P>COPYRIGHT: (C)2006,JPO&NCIPI</p> |
