National Disaster Management Research Institute

National Disaster Management Institute

Gun Sik Jeong

Tae Wook Lee

Sung Geun Bae

KyungSu Lee

Hyunju Kim

Kyung Su Lee

Jae Jeong Kim

Su Bin An

Hyun Seung Lee

Won Kyu Oh

Joo Yeon Oh

Da Jin Sol Kim

Provided is a chemical material leakage alarm-providing method of detecting chemical material leakage in a monitoring area and providing a user alert, the method including the steps of: sensing external environmental information using an environmental information-collecting sensor; obtaining data about a chemical material using a chemical material-detecting device; predicting a diffusion pattern of the chemical material based on the environmental information; detecting chemical material information based on the chemical material data; and providing a user alert based on at least one of the diffusion pattern of the chemical material and the chemical material information.

Chemical material leakage alarm-providing system and chemical material leakage alarm-providing method

A device can provide an air state detection floating device capable of remaining in the air, the device comprising: a power supply unit; at least one memory for storing instructions; at least one processor; a communication unit for transmitting and receiving data; a driving unit for generating a driving force; a first sensing unit for detecting information on an air state of an enclosed space; and a second sensing unit for generating location information, wherein the instructions are executable by the processor so as to the processor to perform operations, and the operations comprise: an operation that generates a control signal for movement in the enclosed space on the basis of the data; and an operation that controls the driving unit based on the control signal.

Air state detection floating device capable of remaining in air

The floating-type contamination measurement apparatus according to embodiments of the present invention can provide a body part; a buoyancy providing part, which is received to the body part and provides buoyancy to the body part; and a measurement part, which is received to the body part and measures the level of contamination in a closed space.

Floating-type contaminant measuring apparatus

Growing community of inventors

Ulsan, South Korea

Gun Sik Jeong