Motion control drive discrete approach
In line with the environmental revolution, electric motor control is moving very quickly in the direction of higher efficiency for industrial motors and drives. Moreover, an increased level of integration at the lowest cost is required to support market penetration of new technologies, as well as increased safety and reliability. Committed to industrial motor control for more than 20 years, ST was among the first to recognize these trends.
Investigating the technical considerations for analog components used in motion control drives
Industrial drives are a crucial component of any industrial automation deployment. Three-phase brushless DC (BLDC), permanent magnet synchronous (PMSMS) and induction motors are extremely popular and reliable methods of achieving motion, whether for a conveyor belt or a robotic arm. Motion control drives provide the essential power supply and mechanical drive functions. However, motors and servos experience wear like any mechanical part, which ultimately might lead to failure. Predictive maintenance regimes assist in keeping the plant operating reliably while reducing the costs associated with disruptive and unplanned downtime. One technique used to monitor motor wear is a condition monitoring approach that uses ultrasound to detect changes in a motor's noise signature.
This article explores the importance of the motor drive power supply, current sensing of the drive circuits, and using ultrasound for condition-based monitoring.
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