HEMISPHERE AMBIGUITY CORRECTION IN ELECTROMAGNETIC POSITION TRACKING SYSTEMS

• Main Authors: PARKAR SAKET, CHUNG SHERK, OGANESIAN LUCINE, STEIN MURPHY, ATKINSON IAN, JAIN ADVAIT, OLIVER ROBERT
• Format: Patent
• Language: Chinese; English
• Published: 26.05.2020
• Subjects: ANALOGOUS ARRANGEMENTS USING OTHER WAVES; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; GYROSCOPIC INSTRUMENTS; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES; MEASURING; MEASURING DISTANCES, LEVELS OR BEARINGS; NAVIGATION; PHOTOGRAMMETRY OR VIDEOGRAMMETRY; PHYSICS; RADIO DIRECTION-FINDING; RADIO NAVIGATION; SURVEYING; TESTING; TRANSMISSION

A method of receiving EM field magnitude values indicative of a first pose of a mobile unit [112] in relation to a base unit [102], receiving sensor data from a second sensor [120] associated with themobile unit, where the sensor data is indicative of a direction of movement of the mobile unit, calculating a set of candidate pose solutions based on the EM field magnitude values, selecting a posefrom the set of candidate pose solutions based on the sensor data from the second sensor, and sending the pose to the processor. 一种方法，接收指示移动单元[112]相对于基本单元[102]的第一姿态的EM场幅值；从与所述移动单元相关联的第二传感器[120]接收传感器数据，其中，所述传感器数据指示所述移动单元的移动方向；基于所述EM场幅值来计算候选姿态解的集合；基于来自所述第二传感器的所述传感器数据来从候选姿态解的集合中选择姿态；以及将所述姿态发送到处理器。