그림 1. 가속도 및 자이로 센서 측정 방향 Fig. 1 The measuring direction of acceleration and gyroscope sensors
그림 2. 블루투스 피코넷 구조 Fig. 2 Bluetooth piconet structure
그림 3. 시스템 네트워크 개요 Fig. 3 System network
그림 4. 구현된 시스템 블록도 (a) 송신 모듈 (b) 수신 모듈 Fig. 4 Block diagram of the implemented system (a) TX module (b) RX module
그림 5. 소의 발정을 여부를 판단하는 알고리듬 Fig. 5 The algorithm to decide cattle’s estrus
그림 6. (a) 수신모듈 및 모니터링 장치 (b) LiPo 배터리를 사용한 송신모듈 (c) 3-D 프린터를 사용하여 구현된 밴드 형태의 송신모듈 (d) 소의 다리에 부착한 송신모듈 Fig. 6 (a) The RX module and monitoring system (b) The TX module using LiPo battery (c) The band type TX module implemented by 3-D printer (d) The TX module wore on the cattle’s leg
그림 7. 구현된 시스템에서 센서축과의 관계 Fig. 7 The relation between the implemented system and its sensor axis
그림 9. 소의 다리에 송신모듈을 부착하고 측정한 자료(a) 승가한 상태에서 이동하는 경우 (b) 승가를 반복하는 경우 Fig. 9 The measured plot under wearing the TX module on the cattle’s leg (a) in case of jumping and moving (b) in case of jumping repeatedly
그림 8. 구현된 시스템에 대한 소의 행동과 센서축과의 상관관계 분석을 위한 그래프 Fig. 8 1-D plot to analyze the correlation between cattle’s behavior and sensor axis
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