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논문 기본 정보

자료유형
학술저널
저자정보
강문호 (선문대학교)
저널정보
대한전기학회 전기학회논문지 전기학회논문지 제66권 제8호
발행연도
2017.8
수록면
1,250 - 1,256 (7page)

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초록· 키워드

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In this research, a high-performance ultrasonic positioning system is proposed to track the positions of an indoor mobile object. Composed of an ultrasonic sender (mobile object) and a receiver (anchor), the system employs three ultrasonic time-off-flights (TOFs) and trilateration to estimate the positions of the object with an accuracy of sub-centimeter. On the other hand, because ultrasonic waves are interfered by temperature, wind and various obstacles obstructing the propagation while propagating in air, ultrasonic pulse debounce technique and Kalman filter were applied to TOF and position calculation, respectively, to compensate for the interference and to obtain more accurate moving object position. To perform tasks in real time, ultrasonic signals are processed full-digitally with a Zynq SoC, and as a software design tool, Vivado IDE(integrated design environment) is used to design the whole signal processing system in hierarchical block diagrams. And, a hardware/software co-design is implemented, where the digital circuit portion is designed in the Zynq"s fpga and the software portion is c-coded in the Zynq"s processors by using the baremetal multiprocessing scheme in which the c-codes are distributed to dual-core processors, cpu0 and cpu1. To verify the usefulness of the proposed system, experiments were performed and the results were analyzed, and it was confirmed that the moving object could be tracked with accuracy of sub-cm.

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Abstract
1. 서론
2. 초음파를 이용한 이동체 위치 추적
3. 시험 및 분석
4. 결론
References

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UCI(KEPA) : I410-ECN-0101-2018-560-001201247