TY  - JOUR
T1  - Implementation of Smart Squeezing Prevention System to Improve the Safety of Table Lift Operators
AU  - Lee, Sangrok 
JO  - The Journal of Korean Institute of Communications and Information Sciences
PY  - 2024
DA  - 2024/1/1
DO  - 10.7840/kics.2024.49.9.1315
KW  - Squeezing prevention
KW  - Table lift
KW  - ToF sensor
KW  - WiFi
KW  - Operator safety
AB  - This paper implements a smart squeezing prevention system to secure the safety of table lift operators. A squeezing accident is an accident in which a worker is caught between an upper structure and a table lift in the process of using an aerial platform. The module implemented to prevent this periodically measures the distance between the lift and the upper structure using a ToF sensor. If the measured distance is shorter than the set value, it is judged to be a risk of squeezing and then a control signal is transmitted to stop the lift ascent. To secure higher system stability, the system is composed of 2 to 4 sensor modules, and information is exchanged between modules through WiFi communication. As a result of installing and operating the 4 modules on the table lift, it was confirmed that the smart squeezing prevention system operated stably.