AN2357 Freescale Semiconductor / Motorola, AN2357 Datasheet - Page 11
AN2357
Manufacturer Part Number
AN2357
Description
Sine Voltage Powered 3-Phase Permanent Magnet Motor with Hall Sensor
Manufacturer
Freescale Semiconductor / Motorola
Datasheet
1.AN2357.pdf
(20 pages)
MOTOROLA
Sine Voltage Powered 3-Phase Permanent Magnet Motor with Hall Sensor
omega_required_RPM
Freescale Semiconductor, Inc.
Speed Controller
omega_required
omega_desired
controller_out
Speed Ramp
For More Information On This Product,
Manual
Control
Voltage Limitation
Go to: www.freescale.com
PC master process
Ripple Cancellation
Torque Limitation
SCI
period_hall_sensor
Speed Calculation
omega_measured
v_phase_limit
Figure 8. Main Data Flow
v_phase_amplitude
Period Calculation
torque_limit
phase_increment
Field Weakening
Generation
Sine Wave
Generation
fieldWeakening
Calculation
PWM
Sensor Edge
Detection
Sensor
Hall
phase_actual
PLL
Synchronization
phase_measured
Sine Wave
Software Design
AN2357/D
11
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