Abstract: The accurate rotor position identification of the permanent magnet spherical motor (PMSM) is crucial to its closed-loop control. A design method for the Hall sensor array and a novel method ...

The library uses a combination of spherical trigonometry and vector geometry to perform great-circle navigation on the surface of a unit sphere, see Figure 1. Figure 1 A Great Circle Arc A great ...

Abstract: In this article, the solution to the inverse and forward kinematics of a novel three-legged, serial-parallel, compliant robot are presented. The design of the robot aims to combine ...

LiDAR point cloud semantic segmentation enables the robots to obtain fine-grained semantic information of the surrounding environment. Recently, many works project the point cloud onto the 2D image ...

National Bureau of Statistics (NBS): Manufacturing PMI in January Was 49.3%, Business Climate Declined MoM, Production Continued to Expand 【SMM Analysis】Weekly Review of Indonesian Nickel Market - Jan ...

A look at the evidence for the Earth being round or spherical. Aristotle’s reasoning is explained. The evidence includes a ship’s hull disappearing first over the horizon, the stars, the ...

The human eye is a simple, but extremely robust, optical instrument. Analysis by sophisticated wavefront-sensing technology and customized ray-tracing has now revealed that the eye is actually an ...