Tunnel Lighting Control by Luminance Sensor

휘도센서를 이용한 터널조명제어

Until the first stage of the 1990's years. Korea are not concern so much the facilities of traffic tunnel, because of them are the short length and also the quantity of them are not over the several tens in korea, but in latest many tunnels has been constructed and are designed in expressway and local national loads, the government office concerned forecast the numbers of tunnel are increased about 300 until the 2003 years, and then we need more interesting about the facilities of tunnel in the tunnel, the first above of all important facilities is lighting installation which are required much electric energy and continuing maintenance.