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It‘s Math That Drives Things – 
Simulink as Simulation and Modeling 
Environment 
© 2011 The MathWorks, Inc1. 
Dr. Joachim...
2 
It‘s Math That Drives Things – 
Simulink as Simulation and Modeling Environment 
Executive Summary – Dr. Joachim Schlos...
3 
It‘s math that drives things. 
The more math in your system  
bigger benefit from Simulink
4 
Why do your engineering 
colleagues love Simulink? 
Why?
5 
Detect System Integration Issues In Simulation 
Model: 
Actuator 
(Ideal) 
Inputs 
System 
(Include) 
Actuator 
(Realis...
6 
“Accurate modeling is essential not only for planning 
investments but also to detect situations that can cause 
an out...
7 
“Developing an HVAC system as complex as ours by 
hand-coding in C would not be possible. Model-Based 
Design not only ...
8 
“Polyspace enabled us to dramatically 
reduce our workload per analysis — from 
several man-months to a matter of days....
9 
“Everyone knows that errors are much less 
expensive to fix when you find them early. With 
Simulink Design Verifier, w...
10 
“When Alstom delivered a Pendolino train to 
Czech Railways, the railway application was 
the first with automatically...
11 
One Simulation & Modeling Environment 
for Multidomain Systems 
System environment 
Digital hardware 
Analog/RF hardwa...
12 
Model-Based Design – Early Verification 
DESIGN 
Environment Models 
Physical Components 
Algorithms 
IMPLEMENTATION 
...
13 
Test and Verification Landscape 
Textual 
 Design Verification 
Requirements 
Executable 
Specification 
… 
Model use...
14 
Download Wind Turbine Model from 
MATLAB Central 
 Complete example and 
many intermediate 
steps shown 
http://www.m...
15 
Start using Simulink now 
 Ask someone who already uses Simulink 
 www.mathworks.com/model-based-design/ 
 During c...
16 
Backup / References
17 
Hydro-Québec Models Wind Power Plant 
Performance 
Challenge 
Plan the integration of new wind farms into the power 
s...
18 
GM Engineering Europe Develops HVAC 
Controller for GM Vehicles Using Model- 
Based Design 
Challenge 
Design an advan...
19 
Philips Consumer Lifestyle (Philips) 
Develops One-Piece Surround Sound 
System with MathWorks Tools 
Challenge 
Devel...
20 
Scania Develops Fuel-Saving Driver 
Support System for Award-Winning 
Long-Haulage Trucks 
Challenge 
Develop a real-t...
21 
ELESYS North America Speeds Verification 
of Safety-Critical Embedded Software with 
Polyspace Products for C/C++ 
Cha...
22 
TRW Automotive Develops and Tests 
Electric Parking Brake Using Simulink 
and Simulink Design Verifier 
Challenge 
Des...
23 
Alstom Generates Production Code for 
Safety-Critical Power Converter Control 
Systems 
Challenge 
Design and implemen...
24 
“Our acoustical engineers are not expert programmers. With 
Simulink they can quickly develop algorithms and test thei...
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It‘s Math That Drives Things – Simulink as Simulation and Modeling Environment

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You can benefit from Simulink, the software that Engineers love for doing their work
Engineers in industries like Aerospace, Automotive, Energy production, Industrial Machinery, Automation, Railway and many others use Model-Based Design with Simulink for an increasing amount of their applications. Simulink allows you to…
gain knowledge about the dynamics of your system and have a direct path to implementation
use the modeling language that most engineers speak.
Math underpins all Systems. Simulink is Math made real.
Whatever domain your system incorporates: It is likely that mathematics plays a part of it. For example, Simulink covers domains like:
Continuous time, Discrete time, Discrete event
State machine, Physical models, Text based algorithms
System environment, Digital hardware, Analog/RF hardware
Embedded software, Mechanical systems
MATLAB & Simulink provide a unified environment for all.
Functional testing those systems uses simulation and formal methods.
Begin to use Simulink for engineering mechatronic systems now.
Find ways to look at the system you could not do before, and save time in your development
Simulink is industry standard for engineering controls, signal processing.
Ask someone who already uses Simulink
Get a deeper insight on mathworks.com/model-based-design/
During conference, reach me at Twitter @schlosi

Veröffentlicht in: Software
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It‘s Math That Drives Things – Simulink as Simulation and Modeling Environment

  1. 1. It‘s Math That Drives Things – Simulink as Simulation and Modeling Environment © 2011 The MathWorks, Inc1. Dr. Joachim Schlosser Senior Team Leader Application Engineering MathWorks
  2. 2. 2 It‘s Math That Drives Things – Simulink as Simulation and Modeling Environment Executive Summary – Dr. Joachim Schlosser, MathWorks You can benefit from Simulink, the software that Engineers love for doing their work  Engineers in industries like Aerospace, Automotive, Energy production, Industrial Machinery, Automation, Railway and many others use Model-Based Design with Simulink for an increasing amount of their applications. Simulink allows you to…  gain knowledge about the dynamics of your system and have a direct path to implementation  use the modeling language that most engineers speak. Math underpins all Systems. Simulink is Math made real.  Whatever domain your system incorporates: It is likely that mathematics plays a part of it. For example, Simulink covers domains like:  Continuous time, Discrete time, Discrete event  State machine, Physical models, Text based algorithms  System environment, Digital hardware, Analog/RF hardware  Embedded software, Mechanical systems  MATLAB & Simulink provide a unified environment for all.  Functional testing those systems uses simulation and formal methods. Begin to use Simulink for engineering mechatronic systems now.  Find ways to look at the system you could not do before, and save time in your development  Simulink is industry standard for engineering controls, signal processing. Ask someone who already uses Simulink  Get a deeper insight on mathworks.com/model-based-design/  During conference, reach me at Twitter @schlosi
  3. 3. 3 It‘s math that drives things. The more math in your system  bigger benefit from Simulink
  4. 4. 4 Why do your engineering colleagues love Simulink? Why?
  5. 5. 5 Detect System Integration Issues In Simulation Model: Actuator (Ideal) Inputs System (Include) Actuator (Realistic) System (Ignore) Mechanical Hydraulic Electrical Controls Park Spin Supervisory Logic Lift Drag Wind Aero-dynamics
  6. 6. 6 “Accurate modeling is essential not only for planning investments but also to detect situations that can cause an outage. […] we can simulate power electronics, mechanics, and control systems in one environment, and our models respond like the turbines we have in the field.” Richard Gagnon Hydro-Québec Turbines on a wind farm Link to user story
  7. 7. 7 “Developing an HVAC system as complex as ours by hand-coding in C would not be possible. Model-Based Design not only made development possible, it also made it faster while enabling us to verify and test months earlier than we could before.” Johan Hägnander GM Engineering Europe Link to user story One of 54 types of GM vehicle dashboard with the HVAC control system installed
  8. 8. 8 “Polyspace enabled us to dramatically reduce our workload per analysis — from several man-months to a matter of days.” Svetoslav Stoyanov ELESYS North America Airbag deployment during a frontal crash test Link to user story
  9. 9. 9 “Everyone knows that errors are much less expensive to fix when you find them early. With Simulink Design Verifier, we build on the advantages of Model-Based Design by performing formal testing in the first phases of development.” Christoph Hellwig TRW TRW Electric Parking Break Results  Test development time reduced days  hours  100% model coverage achieved
  10. 10. 10 “When Alstom delivered a Pendolino train to Czech Railways, the railway application was the first with automatically generated code to receive TÜV certification.” Han Geerligs Alstom Pendolino tilting train, w/ Safety-Critical Power Converter Control System Link to user story
  11. 11. 11 One Simulation & Modeling Environment for Multidomain Systems System environment Digital hardware Analog/RF hardware Embedded software Mechanical systems Modeling domains Continuous-time Discrete-time System elements Discrete-event State machine Physical models Text-based
  12. 12. 12 Model-Based Design – Early Verification DESIGN Environment Models Physical Components Algorithms IMPLEMENTATION INTEGRATION TEST & VERIFICATION RESEARCH REQUIREMENTS MCU DSP FPGA ASIC Structured Text C, C++ VHDL, Verilog TEST SYSTEM PLC
  13. 13. 13 Test and Verification Landscape Textual  Design Verification Requirements Executable Specification … Model used for production code generation C Source Code Executable Object Code Review Modeling Standards Manual & Regression Functional Tests  Code Verification Modeling Property Proving Automated Functional Tests Traceability Coding Standards Equivalence Tests Modeling Modeling Formalized Requirements Standard Requirements Code Generation Compilation/ Linking
  14. 14. 14 Download Wind Turbine Model from MATLAB Central  Complete example and many intermediate steps shown http://www.mathworks.com/matlabcentral/fileexchange/25752-wind-turbine-model
  15. 15. 15 Start using Simulink now  Ask someone who already uses Simulink  www.mathworks.com/model-based-design/  During conference, reach me at @schlosi
  16. 16. 16 Backup / References
  17. 17. 17 Hydro-Québec Models Wind Power Plant Performance Challenge Plan the integration of new wind farms into the power system, predict power output, and ensure safe, reliable operation Solution Use MathWorks products to simulate individual wind turbines and wind farms and to generate C code for multiprocessor simulation of entire power systems Results  Simulation speed increased to real time  Equipment needs accurately predicted  Dynamic simulations enabled “Accurate modeling is essential not only for planning investments but also to detect situations that can cause an outage. With MathWorks tools, we can simulate power electronics, mechanics, and control systems in one environment, and our models respond like the turbines we have in the field.” Richard Gagnon Hydro-Québec Link to user story Turbines on a wind farm.
  18. 18. 18 GM Engineering Europe Develops HVAC Controller for GM Vehicles Using Model- Based Design Challenge Design an advanced HVAC embedded controller for GM vehicles worldwide Solution Use MathWorks tools and Model-Based Design to develop and implement a real-time controller with reusable components Results  System models reused across 54 vehicles  Quality improved through early verification  Team communication improved “Developing an HVAC system as complex as ours by hand-coding in C would not be possible. Model- Based Design not only made development possible, it also made it faster while enabling us to verify and test months earlier than we could before." Johan Hägnander GM Engineering Europe Link to user story GM vehicle dashboard with the HVAC control system installed.
  19. 19. 19 Philips Consumer Lifestyle (Philips) Develops One-Piece Surround Sound System with MathWorks Tools Challenge Develop a high quality surround sound system integrated in a single component Solution Use MathWorks tools to develop and test acoustic algorithms, run real-time simulations, and fine-tune parameters Results  New algorithms validated in days, not weeks  Executable demonstrations ready in one day  80% of design reused in future projects The Ambisound Soundbar integrated home theatre system. “Our acoustical engineers are not expert programmers. With Simulink they can quickly develop algorithms and test their ideas without writing any low level DSP code. Only after identifying the best solution, sound algorithms are implemented on a DSP and committed to hardware.” Georges Aerts Philips Consumer Lifestyle Link to user story
  20. 20. 20 Scania Develops Fuel-Saving Driver Support System for Award-Winning Long-Haulage Trucks Challenge Develop a real-time driver analysis system that provides truck drivers with immediate feedback on their driving techniques Solution Use MathWorks tools for Model-Based Design to design and simulate the driver support system, generate embedded code for prototype and production targets, and build a prototype user interface Results  Development time and effort reduced  Model coverage increased  Regression-testing time reduced “Simulink is particularly helpful in two stages of our development process. Early on, it helps us try new ideas and visualize how they will work. After generating code and conducting in-vehicle tests, we can run multiple simulations, refine the design, and regenerate code for the next iteration.” Jonny Andersson Scania Link to user story The Scania Driver Support display panel.
  21. 21. 21 ELESYS North America Speeds Verification of Safety-Critical Embedded Software with Polyspace Products for C/C++ Challenge Accelerate the verification of airbag suppression systems Solution Use Polyspace to detect run-time errors in safety-critical embedded software Results  Verification in days, not months  Hard-to-find bugs located  Testing efficiency increased Airbag deployment during a frontal crash test. "Polyspace enabled us to dramatically reduce our workload per analysis — from several man-months to a matter of days." Svetoslav Stoyanov ELESYS North America Link to user story
  22. 22. 22 TRW Automotive Develops and Tests Electric Parking Brake Using Simulink and Simulink Design Verifier Challenge Design tests for an electric parking brake control system Solution Use Simulink Design Verifier to automatically generate tests that maximize model coverage and enable systematic design verification Results  Test development time reduced from days to hours  100 percent model coverage achieved  Formal testing begun two months into the project “Everyone knows that errors are much less expensive to fix when you find them early. With Simulink Design Verifier, we build on the advantages of Model-Based Design by performing formal testing in the first phases of development." Christoph Hellwig TRW Link to user story Electronic parking brake control system.
  23. 23. 23 Alstom Generates Production Code for Safety-Critical Power Converter Control Systems Challenge Design and implement real-time power conversion and control systems for trams, metros, and railways Solution Use MathWorks tools for Model-Based Design to design, simulate, and automatically generate production code for safety-critical transportation systems Results  Development time cut by 50%  Defect-free, safety-critical code generated and certified  Common language established “When Alstom delivered a Pendolino train to Czech Railways, the railway application was the first with automatically generated code to receive TUV certification.” Han Geerligs Alstom Pendolino tilting train. Link to user story
  24. 24. 24 “Our acoustical engineers are not expert programmers. With Simulink they can quickly develop algorithms and test their ideas without writing any low level DSP code. Only after identifying the best solution, sound algorithms are implemented on a DSP and committed to hardware.” Georges Aerts Philips Consumer Lifestyle The Ambisound Soundbar integrated home theatre system. Link to user story

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