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To improve the performances of the parallel 6-axis force sensor with Stewart platform, the paper plots the indices atlases based on the screw theory and the theory of physical model of the solution space, and summaries the laws how the structure parameters affect the indices. Then, the sizable parallel 6-axis force sensor's structure parameters are(More)
This article builds a mathematical model of electromagnetic suspension system in the large air gap, and analyses the features of suspension system precisely through finite element analysis, calculates the electromagnetic force size which the suspended matter in the system received. Finally gave the experimental data a Curve fitting by the method of least(More)
To further improve the precision of sizable Stewart platform-based force/torque sensor with general spherical joints in existing manufacture and calibration techniques, substituting spherical joints with three equivalent revolute joints, the paper presents the friction model of sizable parallel 6-axis force sensor with Stewart structure based on the screw(More)
In this paper, a 3-degree of freedom levitation system is proposed, which contains the electromagnet array and the permanent magnet. The mathematical model is built, and the whole structure is optimized from three aspects, as magnetic force, controllability and resultant magnetic field. The efficiency of the new electromagnetic system is better than the(More)
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