Blue light is a high-energy part of visible light from the sun, screens, and light-emitting diode (LED) bulbs. Your cornea and lens don’t block blue light the way they block ultraviolet (UV) rays.
Abstract: Although the non-singular fixed-time sliding mode control (NFxTSMC) method has been studied for the permanent magnet synchronous motor (PMSM) servo system, most existing methods still face ...
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