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In order to get a better dynamic response for actuator in condition of low-speed, a permanent magnet synchronous motor (PMSM) in direct-drive application with the characteristics of high-bandwidth, low-speed and high-torque was designed and researched in this paper.
In this paper, a preliminary study is conducted in order to measure and analyze the perceptibility of a watermarked 3D virtual object when (1) visual feedback is present, and when (2) visual and haptic feedback are simultaneously available. More specifically, our experiments are intended to assess whether looking at, and touching a 3D mesh could in fact improve the perceptibility of a watermark as...
In this paper, a novel haptic data reduction and compression technique to reduce haptic data traffic in networked haptic tele-mentoring systems is presented. The suggested method follows a two-step procedure: (1) haptic data packets are not transmitted when they can be predicted within a predefined tolerable error; otherwise, (2) data packets are compressed prior to transmission. The prediction technique...
In this paper, an objective perceptual quality metric for haptic signals is introduced. A haptic perceptually weighted peak signal-to-noise ratio (HPWNPSNR) is derived, that enhances the standard PSNR measure while incorporating haptic perceptual knowledge acquired from existing psychophysical models. Two techniques are introduced that define the haptic perceptual weighting strategy. The first relies...
In this paper, we present I-CHAM, an architecture for the intelligent compression of haptic media. The I-CHAM architecture enables both, lossy and lossless compression modes and it encompasses several modules that, together, attempt to intelligently and efficiently compress a haptic media file. Furthermore, the proposed architecture is designed in such a manner to be haptic-application and device...
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