자율전원 공급형 저전력 무선센서의 전력상태에 기반하는 무선링크 자율적 구성방식
김영일, 이용태, 임선화, 여건민, 류원, 박대근
- ZL201580072182.6 (2021.02.02)
- A power state-based train monitoring device according to the present invention comprises: one or more wireless sensor units for periodically measuring an operation state of a train and generating sensor data; one or more autonomous power supply units for generating power by using vibration energy of the train, supplying the generated power to the wireless sensor units, monitoring the generated power, and transmitting power state information to a communication control unit; and the communication control unit for controlling the configuration of wireless links of the wireless sensor units on the basis of the power state information so as to allocate any one of a dedicated channel and a contention channel thereto, and transmitting sensor data, which are received from the wireless sensor units, to an external communication network.
- KSP 제안 키워드
- Autonomous power supply, Communication control, Control Unit, Generated power, Generating power, Monitoring device, Monitoring method, Power state, State information, Transmitting power, communication network, operation state, power supply, power supply units, sensor data, state-based, vibration energy, wireless link, wireless sensor