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PM marker along with an electrical system sensing its magnetic field is commonly used to determine the parts locations in industry. This paper proposes a novel method combining computation and experiment to improve the localization accuracy of the traditional PM marker approach. Based on the current-free property of the external space of the PM marker (modeled as an ideal dipole), the method computes...
This paper presents a cost-effective method for reconstructing the magnetic field distribution (MFD) from measured data of an electromagnetic mechatronic system (EMS). MFD predictions and measurements for model-based force/torque calculation and magnetic sensors are common problems in EMS where permanent magnets (PMs) and/or electromagnets are employed. In this method, the MFD is reconstructed in...
It is reported that the most urgent issue for 90% of the blind is the sense of direction. Even today the blind is lack of electronic products to provide direction guide, a novel electrical blind stick system is designed in this paper, By listening to the alarm from the blind stick, the blind can judge whether they are walking on the blind road or not. This paper described the principle of the system...
A scheme is presented for orienting application, which is based on micro-magnetic sensor and accelerometer, and the scheme can solve the orienting problems well. We have an optimized arrangement of the two sensors' positions, whi ch provides premise for establishing reference coordinate. An algorithm for completely oriented sensing is applied. In the algorithm, we take a concept of relative coordinate,...
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