Presented by

Sensorless Vector Control for BLDC Motors

Neither position sensors nor speed sensors are needed for implementing the sensorless vector control approach for brushless DC (BLDC) motors, making this method ideal for embedded system designs in which cost must be minimized. The session discusses a motor-model based flux observer and implementation strategy, as well as a one-shunt current detection (OSCD) technique. The speed regulation performance and CPU bandwidth usage of the OSCD technique are described.

Presented: 10/15/2008, 2:00 PM
Length: 60 Minutes

Course Material:

• Presentation
• Handout

Related Courses:

• Introduction to Electronic Controls for BLDC Motors
• Implementing Six-step Trapezoidal Control with Hall Sensors
• Brushless DC Motor Control with Back-EMF
• MCU Performance Requirements for Control Algorithms for BLDC Motors
• Speed Control using a Digital Encoder and Vector Formulation