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1 Effektiv Lernen mit MATLAB Dr. Joachim Schlosser

Effizient Lernen Lehren mit MATLAB - MATLAB EXPO 2018 · 8 Example: Quick-Return Mechanism At the instant the mechanism is in the configuration shown, determine the angular motion

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Page 1: Effizient Lernen Lehren mit MATLAB - MATLAB EXPO 2018 · 8 Example: Quick-Return Mechanism At the instant the mechanism is in the configuration shown, determine the angular motion

1

Effektiv Lernen mit MATLAB

Dr. Joachim Schlosser

Page 2: Effizient Lernen Lehren mit MATLAB - MATLAB EXPO 2018 · 8 Example: Quick-Return Mechanism At the instant the mechanism is in the configuration shown, determine the angular motion

3

» Sage es mir, ich vergesse es.

Zeige es mir, ich behalte es.

Lass es mich tun, ich verstehe.

Konfuzius, 551–479 v. Chr.

«

Page 3: Effizient Lernen Lehren mit MATLAB - MATLAB EXPO 2018 · 8 Example: Quick-Return Mechanism At the instant the mechanism is in the configuration shown, determine the angular motion

7

“Which Equation?”

“Which Principle?”

Page 4: Effizient Lernen Lehren mit MATLAB - MATLAB EXPO 2018 · 8 Example: Quick-Return Mechanism At the instant the mechanism is in the configuration shown, determine the angular motion

8

Example:

Quick-Return Mechanism

At the instant the mechanism is in the configuration shown, determine the angular

motion of the slotted link CD, wCD,aCD.

Source: Hibbeler, R.C., Engineering Mechanics: Dynamics, 11th edition, Pearson Prentice Hall, NJ, problem 16-141, p. 377.

Page 5: Effizient Lernen Lehren mit MATLAB - MATLAB EXPO 2018 · 8 Example: Quick-Return Mechanism At the instant the mechanism is in the configuration shown, determine the angular motion

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Problem Description

Page 6: Effizient Lernen Lehren mit MATLAB - MATLAB EXPO 2018 · 8 Example: Quick-Return Mechanism At the instant the mechanism is in the configuration shown, determine the angular motion

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Hand Solution Velocity, Acceleration Equations

Page 7: Effizient Lernen Lehren mit MATLAB - MATLAB EXPO 2018 · 8 Example: Quick-Return Mechanism At the instant the mechanism is in the configuration shown, determine the angular motion

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Hand Solution: Emphasizes Algebraic Manipulation

Multiple

coordinate

systems

Vector

algebra

Relative-

motion

equations

Many terms

to track!

Page 8: Effizient Lernen Lehren mit MATLAB - MATLAB EXPO 2018 · 8 Example: Quick-Return Mechanism At the instant the mechanism is in the configuration shown, determine the angular motion

12

Symbolic Computing: Algorithmic Solution

Implement Fundamental Principles

Explore Full Range of Motion

Ask & Answer “What if…?”

Page 9: Effizient Lernen Lehren mit MATLAB - MATLAB EXPO 2018 · 8 Example: Quick-Return Mechanism At the instant the mechanism is in the configuration shown, determine the angular motion

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Move Programs off the Trade-Off Surface

Technic

al B

readth

Technical Depth

Feasible

Region

Current Programs

Desired

Extended Programs

Computational

Thinking &

Tools

Page 10: Effizient Lernen Lehren mit MATLAB - MATLAB EXPO 2018 · 8 Example: Quick-Return Mechanism At the instant the mechanism is in the configuration shown, determine the angular motion

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Fundamental principles

Page 11: Effizient Lernen Lehren mit MATLAB - MATLAB EXPO 2018 · 8 Example: Quick-Return Mechanism At the instant the mechanism is in the configuration shown, determine the angular motion

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Systematic approaches

Page 12: Effizient Lernen Lehren mit MATLAB - MATLAB EXPO 2018 · 8 Example: Quick-Return Mechanism At the instant the mechanism is in the configuration shown, determine the angular motion

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Visual solutions

Page 13: Effizient Lernen Lehren mit MATLAB - MATLAB EXPO 2018 · 8 Example: Quick-Return Mechanism At the instant the mechanism is in the configuration shown, determine the angular motion

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Multiple perspectives

Page 14: Effizient Lernen Lehren mit MATLAB - MATLAB EXPO 2018 · 8 Example: Quick-Return Mechanism At the instant the mechanism is in the configuration shown, determine the angular motion

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Critical thinking

Page 15: Effizient Lernen Lehren mit MATLAB - MATLAB EXPO 2018 · 8 Example: Quick-Return Mechanism At the instant the mechanism is in the configuration shown, determine the angular motion

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Computational Paradigms with MATLAB

MATLAB

Parallel Computing MATLAB Distributed Computing Server

Symbolic Math

Symbolic

SimMechanics

Simscape

Simulink & Stateflow

Modeling & Simulation

Statistics

Optimization

Numeric

Simulink or Simscape Blocks

MATLAB Functions

Page 16: Effizient Lernen Lehren mit MATLAB - MATLAB EXPO 2018 · 8 Example: Quick-Return Mechanism At the instant the mechanism is in the configuration shown, determine the angular motion

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Page 17: Effizient Lernen Lehren mit MATLAB - MATLAB EXPO 2018 · 8 Example: Quick-Return Mechanism At the instant the mechanism is in the configuration shown, determine the angular motion

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Wie werden Sie MATLAB in Ihren

Veranstaltungen nutzen?

www.mathworks.de/academia