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Design of Electromagnetic Tracking System Using Rotating Magnetic Field Based on DSP / 中国医疗器械杂志
Chinese Journal of Medical Instrumentation ; (6): 79-83, 2018.
Article in Chinese | WPRIM | ID: wpr-774504
ABSTRACT
This paper realized an electromagnetic tracking system based on electrically-controlled rotating magnetic field. A tracking system using the digital signal processor (DSP) as the control processing device was developed, including a controllable constant current source module, a magnetic field source module, a three-axis magnetic sensor and ADC interface circuit. The experimental results verified that each time the system could be stable positioning, average error of position was 0.282 cm, the average error of orientation was 0.696o, the positioning time was 1.572 s. Through calibration and further improvement of the hardware circuit, the performance of the system is expected to further improve.
Subject(s)

Full text: Available Index: WPRIM (Western Pacific) Main subject: Calibration / Equipment Design / Electromagnetic Phenomena / Magnetic Fields Language: Chinese Journal: Chinese Journal of Medical Instrumentation Year: 2018 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Calibration / Equipment Design / Electromagnetic Phenomena / Magnetic Fields Language: Chinese Journal: Chinese Journal of Medical Instrumentation Year: 2018 Type: Article