advanced ac motor control s/w developmentadvanced ac motor control s/w development sang-ho yoon...
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![Page 1: Advanced AC Motor Control S/W DevelopmentAdvanced AC Motor Control S/W Development Sang-Ho Yoon Senior Application Engineer The MathWorks 2 Agenda Dev](https://reader033.vdocuments.us/reader033/viewer/2022060411/5f10b6d57e708231d44a7655/html5/thumbnails/1.jpg)
1 © 2012 The MathWorks, Inc.
Advanced AC Motor Control S/W
Development
Sang-Ho Yoon
Senior Application Engineer
The MathWorks
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2
Agenda
Develop ECUs with Model-Based Design
Generate Application Code for Prototyping
Generate Algorithm Code for Production
Case Study: Brushless Motor Control Application
Questions
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3
ECU Development Process with Model-Based Design
System Requirements
System Design
Software Design
Coding
Software
Integration
Hardware/Software
Integration
System Integration
and Tuning
Sim
RP
RP (Embedded) SIL
PIL
HIL
Sim: Simulation
RP: Rapid Prototyping
PCG: Production Code Generation
SIL: Software-in-the-Loop Testing
PIL: Processor-in-the-Loop Testing
HIL: Hardware-in-the-Loop Testing PCG
Design
with
Simulation
Executable
Specifications
Continuous
Test and
Verification
Automatic
Code Generation
Models
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Simulation with Simulink
Simulink Embedded algorithm Model of physical system
Simulating plant and controller in one environment
allows engineers to optimize system-level
performance.
Controls engineers and domain specialists can work
together to detect integration issues in simulation.
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Rapid Prototyping
Generate, deploy, and tune code for a component (algorithm or controller)
on a real-time simulator connected to system hardware
Simulink Embedded algorithm Model of physical system
Physical system
Harness
Code
Generation
Rapid prototyping hardware
(real-time simulator)
Tuning and
logging
Host
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Rapid Prototyping on Embedded Processors
Run the generated code in real time, tune parameters, and monitor real-
time data on the same processor you plan to use in mass production, or a
close equivalent to it.
Simulink Embedded algorithm Model of physical system
Physical system
Harness
Code
Generation
Embedded microprocessor
Tuning and
logging
Host
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Processor-in-the-Loop Testing
Use processor-in-the-loop PIL to evaluate the behavior of a candidate
algorithm on the target processor.
Simulink Embedded algorithm Model of physical system
Code
Generation
Embedded microprocessor
Host
IDE
Lin
k
PIL Testing on
Embedded Hardware
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Hardware-in-the-Loop Testing
Final test before integration using simulated plant executing in real time.
Simulink
Embedded algorithm Model of physical system
Real-time simulator
Harness
Code
Generation
Embedded microprocessor
Host
Code
Generation
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Agenda
Develop ECUs with Model-Based Design
Generate Application Code for Prototyping
Generate Algorithm Code for Production
Case Study: Brushless Motor Control Application
Questions
![Page 10: Advanced AC Motor Control S/W DevelopmentAdvanced AC Motor Control S/W Development Sang-Ho Yoon Senior Application Engineer The MathWorks 2 Agenda Dev](https://reader033.vdocuments.us/reader033/viewer/2022060411/5f10b6d57e708231d44a7655/html5/thumbnails/10.jpg)
10
xPC Target Focusing Areas
System Requirements
System Design
Software Design
Coding
Software
Integration
Hardware/Software
Integration
System Integration
and Tuning
Sim
RP
RP (Embedded) SIL
PIL
HIL
PCG
Design
with
Simulation
Executable
Specifications
Continuous
Test and
Verification
Automatic
Code Generation
Models
Sim: Simulation
RP: Rapid Prototyping
PCG: Production Code Generation
SIL: Software-in-the-Loop Testing
PIL: Processor-in-the-Loop Testing
HIL: Hardware-in-the-Loop Testing
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Host computer
with MATLAB
xPC Target Turnkey
computer
Ethernet or RS 232
1
2
3
An environment that allows the real-time execution of Simulink
models on a separate xPC Target Kernel compatible PC.
Simulink
Coder
What is xPC Target?
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Host Computer
with MATLAB
xPC Target Turnkey
Computer
Ethernet or RS 232
An Environment that provides interactive access between the
real-time application and the host computer
Allows live parameter tuning, control from the original Simulink
model and offline analysis support in MATLAB.
Host computer
with MATLAB
xPC Target Turnkey
computer
Ethernet or RS 232
What is xPC Target?
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Host computer
with MATLAB
xPC Target Turnkey
computer
Ethernet or RS 232
3
An Environment that provides interactive access between the
real-time application and the host computer
Allows live parameter tuning, control from the original Simulink
model and offline analysis support in MATLAB.
1
2
4
2
What is xPC Target?
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xPC Target Turnkey PC
Host computer
with MATLAB
xPC Target Turnkey
computer
Ethernet or RS 232
An Environment that provides numerous I/O device driver blocks
Blocks are easily configurable within the Simulink model and
communicate with actual hardware in real-time.
What is xPC Target?
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xPC Target
Turnkey computer
An Environment that provides numerous I/O device driver blocks
Blocks are easily configurable within the Simulink model and
communicate with actual hardware in real-time.
What is xPC Target?
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Mobile Real-Time Target Machine
Performance : – 2GHz Dual Core Intel processor
– 2GB RAM, 100GB HD
– Gigabit Ethernet
Expandable : 5 PCI Slots
Digital and Analog I/O, CAN, Serial, etc
FPGA Expansion Card :
– High-speed PWM and Quadrature generation and decoding
– High-frequency control loops
– Programmable with Mathworks HDL Coder
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xPC Target Turnkey
Target Hardware partnership with Speedgoat
Hardware customized to fit your performance and I/O needs
Saves you time and hassle of acquiring, installing, configuring, and testing
Commercial Version : http://www.mathworks.com/products/xpctarget/supported-hardware
Academia Version : http://www.mathworks.com/academia/xpctarget-turnkey
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Agenda
Develop ECUs with Model-Based Design
Generate Application Code for Prototyping
Generate Algorithm Code for Production
Case Study: Brushless Motor Control Application
Questions
![Page 19: Advanced AC Motor Control S/W DevelopmentAdvanced AC Motor Control S/W Development Sang-Ho Yoon Senior Application Engineer The MathWorks 2 Agenda Dev](https://reader033.vdocuments.us/reader033/viewer/2022060411/5f10b6d57e708231d44a7655/html5/thumbnails/19.jpg)
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Considerations for Embedded S/W
Development
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Simulink Coder
Generates code for use in simulation and
prototyping applications
Comes with Generic Real-Time (GRT) based
targets
Embedded Coder
Generates efficient code that can be
customized to look like hand code for
production
Comes with Embedded Real-Time (ERT)
based targets
Code Generation Products:
Simulink Coder and Embedded Coder
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Agenda
Develop ECUs with Model-Based Design
Generate Application Code for Prototyping
Generate Algorithm Code for Production
Case Study: Brushless Motor Control Application
Questions
![Page 22: Advanced AC Motor Control S/W DevelopmentAdvanced AC Motor Control S/W Development Sang-Ho Yoon Senior Application Engineer The MathWorks 2 Agenda Dev](https://reader033.vdocuments.us/reader033/viewer/2022060411/5f10b6d57e708231d44a7655/html5/thumbnails/22.jpg)
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Brushed DC vs. AC Motor Control
Brushed DC Motor Control : Mechanical Commutation
Brushless DC Motor: Electrical Commutation
Software
Battery
Embedded
Controller Inverter
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Example PMSM Controller
Controller Algorithm Attributes:
• Outer Loop Velocity Controller @100Hz
• Inner Loop Current Controller @25kHz
• Coordinate transforms (ABC to/from dq)
• Multiple PI Controllers
Controller Outputs:
Three PWM Duty Cycles
Rotor Phase Currents
(AC Waveforms)
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Simulating plant and controller in one environment
allows engineers to optimize system-level performance.
Controls engineers and domain specialists can work
together to detect integration issues in simulation.
Inverter
and
Motor
Optimize Performance with Simulation
PMSM
Control Algorithm
Plant
+ u y
Controller
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Rapid Prototyping
Real Time Simulator
Motor
Hardware
System Model
Rapid Prototyping
Code
Generation
Controller
C Code
Motor
Model
Controller
Model
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Hardware High-Level Block Diagram
xPC Target Turnkey
Mobile Machine
Power
Electronics
PMSM
Motor
Encoder
Simulink Host Real-Time Target Application
Hardware
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Embedded System
Embedded Software
Motor
Hardware
System Model
Embedded Code Generation
Code
Generation
Controller
C Code
Motor
Model
Controller
Model
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Embedded Software Project
Integrating Generated Controller Code
with an Embedded Software Project
Execute at 25kHz
{
Controller
Command
ADC PWM
Encoder
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Embedded Software Project
Integrating Generated Controller Code
with an Embedded Software Project
Main()
{
Commands_Init
PWM_Init
ADC_Init
Encoder_Init
Controller_Init
while(1) {
}
}
ADC_InterruptServiceRountine_25kHz()
{
Commands_Read
ADC_Read
Encoder_Read
Controller_Step
PWM_Write
}
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Assessing behavior and execution time using
Processor-In-the-Loop (PIL)
Simulink
Embedded
Processor
Seria
l / TC
PIP
Serial / T
CP
IP
PIL Implementation
Code
Generation
Test
Signals Verifications
Controller
Model
Controller
C Code
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31 © 2012 The MathWorks, Inc.
Questions?