Modeling and Simulation of Dynamic Systems
Lecture Notes
Introduction and Review
Subject Introduction (PDF)
Cable Hoist Example (PDF 1) (PDF 2)
Bond Graph Primitives (PDF - 1.0 MB)
DCPMM Basics (PDF)
Block Diagrams and Bond Graphs (PDF)
Multiports
Electromagnetism (PDF)
Solenoid (PDF)
Solenoid and Co-energy (PDF)
Solenoid and DCPMM (PDF)
Multiport Capacitor (PDF)
Thermal Systems
Work-to-heat Transduction (PDF)
Ideal Gas (PDF)
Heat Transfer (PDF)
Thermal Damping (PDF)
Entropy Production (PDF)
Linearized Thermal Damping Model (PDF)
Linearization to articulate the structure of the thermal damping model.
Nonlinear Mechanical Systems
Kinematic Transformations (PDF)
Effect of displacement-modulated transformers on inertia, damping and stiffness.
Interaction Control (PDF)
Lagrange Derivation (PDF)
A derivation of Lagrange's equation with variational calculus.
Lagrange Continued (PDF)
The modern addition of conservative forces to the Euler-Lagrange equation.
Modulated Transformers (PDF)
Kinematic constraints in mechanical systems.
Transmission Lines and Wave-Like Behavior
Transmission Line Models (PDF)
An alternative formulation of simple models of power transmission lines which may exhibit wave behavior.
Symmetric Junctions (PDF)
Derivation of zero and one Junctions via scattering variables.
Asymmetric Junctions (PDF)
Derivation of gyrator and transformer via scattering variables.
Amplification
Bipolar Transistor Amplifier (PDF)
Analysis of a bipolar transistor showing that (1) amplification is a non-equilibrium phenomenon and (2) the transistor amplifier contains a "hidden" gyrator.
Nodicity (PDF)
An important behavior of electrical networks generally not found in other domains.
Capstan Amplifier (PDF)
An example of amplification by modulating a resistor.
Matter Transport
Bernoulli "Resistor" (PDF)
Pseudo and Convection Bonds (PDF)
A brief comparison of alternative network representations of matter transport.
Hamiltonian Forms
Hamilton and Lagrange (PDF)
Interaction Stability (PDF)
Canonical Transformations (PDF)
Hamilton-Jacobi Theory (PDF)
Transformation and Integration (PDF)
Assignments
Introduction and Review
Assignment 1 (PDF)
Multiports
Assignment 2 (PDF)
Thermal Systems
Assignment 3 (PDF)
Nonlinear Mechanical Systems
Assignment 4 (PDF)
Transmission Lines and Wave-like Behavior
Assignment 5 (PDF)
Matter Transport
Assignment 6 (PDF)
Study Materials
This page contains a collection of introductory notes on modeling, provided as background material for the lectures, plus an old quiz and solution.
Introductory Modeling Notes
Some Useful Definitions (PDF)
Bond Graph Notation for Physical System Models (PDF)
Ideal Dissipative Elements (PDF)
Ideal Power Sources (PDF)
Ideal Symmetric Junction Elements (PDF)
Generalized Energy Variables (PDF)
Basic Bond Graph Notation (PDF)
Examples: First-Order Systems (PDF)
Real Power Sources: Static Characteristics (PDF)
Hamiltonian Systems: Ideal Oscillators (PDF)
Choice of State Variables (PDF)
Example: A Non-Oscillating Second-Order System (PDF)
Dependent Energy Storage Elements (PDF)
Causality and Model Formulation (PDF)
Example: Scotch Yoke (PDF)
Example: Wheel (PDF)
Example: Gear Pump (PDF)
Magnetic Electro-mechanical Machines (PDF)
Physical Basis of Analogies (Equivalences) (PDF)
Examples of Equivalences (PDF)
Example: Hydraulic Ram (PDF)
Momentum-based Fluid-mechanical Power Transduction: Vacuum Cleaner (PDF)
State Equation Derivation (PDF)
Causality Assignment (PDF)
Substitution Methods for Deriving System Equations (PDF)
State Variables and Energy (PDF)
Models with Nonlinear Energy Storage Elements: Energy Variables (PDF)
Models of Mechanical Systems: Lagrangian Variables (PDF)
Ideal Asymmetric Junction Elements (PDF)
Junction Elements in Network Models (PDF)
Old Quiz for Study
Quiz (PDF)
Solution to Quiz (PDF)