IEEE

Precise Position Control Based on Resonant Controller and Second-Order Sliding Mode Observer for PMSM-Driven Feed Servo System

Abstract: Precise position control and smooth feed speed are important research areas for permanent magnet synchronous motor (PMSM) driven computerized numerical control (CNC) servo feed systems, but ...
Machine Design

Linear Encoder Showdown: Wired vs. Wireless Read Heads

Linear guideways with built-in encoders are transforming precision motion systems by combining guidance and feedback in one ...
IEEE

Nonlinear Uncertainty Estimator-Based Robust Control for PMSM Servo Mechanisms With Prescribed Performance

Abstract: Active nonlinear uncertainties’ compensation is crucial for realizing high-precision servo control. However, rejection of unknown uncertainties is still a challenging problem. In view of ...
CNX Software

Open-source hardware DAB+ receiver combines ESP32 SoC with Skyworks SI4684 digital radio chip

When I wrote about a DIY ESP32-S3 internet radio last week, "raspbeguy" commented he'd rather choose an ESP32-based DIY DAB+ ...
Automation World

Rotary Encoders

Posital’s new generation of IXARC magnetic absolute rotary encoders are now available with BiSS C communications interfaces. IXARC encoders with the BiSS C interface feature Posital’s latest TMR ...