AN1931D Freescale Semiconductor / Motorola, AN1931D Datasheet - Page 14
AN1931D
Manufacturer Part Number
AN1931D
Description
3-Phase PM Synchronous Motor Vector Control
Manufacturer
Freescale Semiconductor / Motorola
Datasheet
1.AN1931D.pdf
(56 pages)
- Current page: 14 of 56
- Download datasheet (885Kb)
Target Motor Theory
3.3.4 PMSM Vector Control and Field-Weakening Controller
3.3.4.1 Control in Normal Operating Range
14
Figure 3-8.
The backward (Inverse Park) transformation (from d-q to
This section describes the control regarding the required stator current vectors i
There are two speed ranges (shown in
Assume an ideal PM synchronous motor with constant stator reluctance, L
(EQ
•
•
Figure 3-8. Establishing the d-q Coordinate System (Park Transformation)
3-17.),
Control in Normal Operating Range is a control mode for a speed required below nominal
motor speed
Control in Field-Weakening Range is a control mode for a speed required above nominal
motor speed
illustrates this transformation.
(EQ 3-18.)
q
u
Sq
and
Freescale Semiconductor, Inc.
=
3-Phase PM Synchronous Motor Vector Control
For More Information On This Product,
R
=
(EQ 3-19.)
S
i
Sq
M
cos
sin
+
Go to: www.freescale.com
L
Field
Field
S
Figure
t d
d
can then be written as:
i
Sq
–
cos
sin
+
3-9), which differ by controlled current vector:
F
Field
Field
L
S
i
M
Sd
d
q
M
+
is:
M
Field
d
s
= const. The equations
sd
, i
sq
.
MOTOROLA
(EQ 3-29.)
(EQ 3-30.)
Related parts for AN1931D
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
An Overview og the Phase Locked Loop
Manufacturer:
Philips
Datasheet:
Part Number:
Description:
AN OVERVIEW OF THE LPC FLASH INTERFACE
Manufacturer:
STMicroelectronics
Part Number:
Description:
An Evaluation System Interfacing the MPX2000 Series Pressure Sensors to a Microprocessor
Manufacturer:
Motorola / Freescale Semiconductor
Part Number:
Description:
An FM-IF system for DECT and other high speed GFSK applications
Manufacturer:
Philips Semiconductors / NXP Semiconductors
Part Number:
Description:
An 8 x 8 Discrete Cosine Transform on the StarCore SC140/SC1400 Cores
Manufacturer:
Freescale Semiconductor / Motorola
Part Number:
Description:
An Overview of the HCS12 ATD Module
Manufacturer:
Freescale Semiconductor / Motorola
Part Number:
Description:
An Introduction to the External Bus Interface on the HCS12X
Manufacturer:
Freescale Semiconductor / Motorola
Part Number:
Description:
An RF Data Link Using Tango3 and Romeo2 RF Modules
Manufacturer:
Freescale Semiconductor / Motorola
Part Number:
Description:
IC POWER SUPPLY MULT-OUT 44-HSOP
Manufacturer:
Freescale Semiconductor
Datasheet:
Part Number:
Description:
IC POWER SUPPLY MULT-OUT 54-SOIC
Manufacturer:
Freescale Semiconductor
Datasheet:
Part Number:
Description:
Low-Cost 16-Bit DSP with DDR Controller
Manufacturer:
Freescale Semiconductor / Motorola
Part Number:
Description:
Low-Cost 16-bit DSP with DDR Controller and 10/100 Mbps Ethernet MAC
Manufacturer:
Freescale Semiconductor / Motorola
Datasheet:
Part Number:
Description:
Low-Cost 16-bit DSP with DDR Controller and 10/100 Mbps Ethernet MAC
Manufacturer:
Freescale Semiconductor / Motorola
Datasheet:
Part Number:
Description:
Low-Cost 16-bit DSP with DDR Controller
Manufacturer:
Freescale Semiconductor / Motorola
Datasheet:
Part Number:
Description:
Functional Pin Difference Between the MSC8101 and MPC8260 Communications Processor Modules
Manufacturer:
Freescale Semiconductor / Motorola