Invention Grant
- Patent Title: Integrated brushless DC motor and controller
- Patent Title (中): 集成无刷直流电机和控制器
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Application No.: US12249128Application Date: 2008-10-10
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Publication No.: US08193748B2Publication Date: 2012-06-05
- Inventor: Robert W. Deller , Robert C. Heagey
- Applicant: Robert W. Deller , Robert C. Heagey
- Applicant Address: US CA Valencia
- Assignee: SMI Holdings, Inc.
- Current Assignee: SMI Holdings, Inc.
- Current Assignee Address: US CA Valencia
- Main IPC: H02P6/16
- IPC: H02P6/16

Abstract:
An integrated brushless DC motor and controller including a brushless DC motor having a rotating shaft with a 2 pole permanent magnet affixed to the shaft for rotation thereby in a plane orthogonal to the axis of rotation of the shaft. An X-Y Hall Effect Sensor is carried by a controller mounted on a circuit board attached to the motor and the Hall Effect Sensor is positioned proximate the magnet with the Hall Effect Sensor producing the Sine and Cosine components of the magnetic field as the magnet is rotated by the motor shaft. The electronic controller includes software for determining the motor angle and commutation logic from the Sine and Cosine components generated by the Hall Effect Sensor response to the rotating magnetic field. A controller on the board positioned over the rotating shaft contains the highly integrated functions of internal analog digital converters, pulse width modulation registers for driving the power amplifier, internal communication ports and all of the random excess memory and FLASH non-volatile memory that is typically required for motor control.
Public/Granted literature
- US20100090633A1 INTEGRATED BRUSHLESS DC MOTOR AND CONTROLLER Public/Granted day:2010-04-15
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