Sensorless Drive

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  • Sensorless Control
    Dynamics, simplicity, reliability: These fundamental goals of every drive system can be achieved with customized sensorless speed control. Celeroton provides various technologies in order to optimally cover your needs.
  • Sensorless BLDC Control with Back-EMF Filtering
    This application note describes a sensorless brushless DC (BLDC) motor control algorithm, implemented using the dsPIC (R) digital signal controller (DSC). The algorithm works by digitally filtering the back-Electromotive Force (back-EMF) on each phase of the motor and determining when to commutate
  • Sensorless BLDC Control with Back-EMF Filtering Using a Majority Function
    AN1160 Sensorless BLDC Control with Back-EMF Filtering Using a Majority Function SENSORED CONTROL VERSUS Author: Daniel Torres Microchip Technology Inc. SENSORLESS CONTROL The BLDC motor is used for both consumer and industrial applications owing to its compact size, INTRODUCTION controllability
  • AN1162 - Sensorless Field Oriented Control (FOC) of an AC Induction Motor (ACIM)
    AN1162 Sensorless Field Oriented Control (FOC) of an AC Induction Motor (ACIM) operate at a speed that is roughly proportional to the Author: Mihai Cheles input frequency. As you decrease the frequency of the Microchip Technology Inc. drive voltage, you also need to decrease the amplitude Co-Author
  • Sensorless Field Oriented Control of PMSM Motors using dsPIC30F or dsPIC33F Digital Signal Controllers
    AN1078 Sensorless Field Oriented Control of PMSM Motors This application note focuses on the PMSM-based sen- Author: Jorge Zambada sorless FOC control of appliances because this control Microchip Technology Inc. technique offers the greatest cost benefit in appliance motor control. The sensorless
  • Sensorless Control of Permanent Magnet Motors (.pdf)
    Precise speed control of AC motors is typically accomplished with a variable frequency drive (VFD) connected to a speed or position feedback sensor. In certain situations, however, it's possible to achieve a similar level of precision speed control without the need for a feedback sensor via
  • Hall-Based BLDC Gate Drive Saves Microprocessor IO and Provides Zero Speed Torque
    not self-commutate, the motor requires sensors to identify the rotor position. Sensorless solutions that can achieve these requirements are complicated systems to design and often require motors that maintain a high saliency. In many cases, the investment required to go to a sensorless solution

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