MAE 3 - Midterm Review
Spring 2010
Overview
3D Visualization Power and Energy Torques Gears Transmissions Free Body Diagrams Design
3D Visualization
Power and Energy
Units Force
Newton (kg*m/s2)
Equation
=m*a
Best Component
Solenoid Geared motor HS/NG mo
MAE3: FALL 2010 INTRODUCTION TO ENGINEERING GRAPHICS AND DESIGN
Syllabus and Assignments: www.maelabs.ucsd.edu/mae3
Labs start week 0 9/23! Attendance is mandatory in EBU2-239
Due to the logistics of the robot contest, the final time for MAE3 has been cha
CHAPTER
Statistical tolerancing using Monte Carlo
analysis
5.1 Introduction
Monte Carlo analysis uses a computational algorithm to simulate the behavior of physical and mathematical systems. It is a stochastic method, that differs substantially from other
CHAPTER
Design of cams
7.1 Introduction
A cam is a mechanical element of a machine that converts a rotary motion of a driveshaft into a linear
motion of a follower, which is in permanent contact with the cam contour. Figure 7.1 shows a typical
radial cam/
MAE150
HW 6
MAE150, FALL 2015 - HOMEWORK 6
1. Finite Element Analysis of Beam Structure
Consider the beam structure shown in Figure 1. The figures below show the side view and
front view of a steel cantilever beam structure (not to scale). The beam has th
MAE150
HW 2
MAE150, FALL 2015 - HOMEWORK 2
1 Curve fitting.
1.1 Linear line of best fit
1.1.1 Derivation of equations
The most common type of curve fit to data that people use is a linear line of best fit, also known
as linear regression. This is where a
11 | Four-bar linkages
11.1 Introduction
A four bar linkage consists of four rigid bodies, which are called bars or links. The rigid bodies are attached to each other by joints or pivots to form a closed kinematic loop. Four bar linkages are used to
perfo
MAE150
HW 4
MAE150, FALL 2015 - HOMEWORK 4
1. Figure 1 shows a simple cam-follower system.
a Starting with a free body diagram of the forces involved, derive the equation for the undamped natural frequency of the system.
If damping is now introduced into
MAE150 FALL 2015 Homework #3
Due on 10/20/2015 Tuesday
Problem 1: Monte Carlo Analysis
Newtons universal law of gravitation is given by the following equation:
=
1 2
2
1: Mass of the object 1
2: Mass of the object 2
: Distance between the centers of the
MAE150 FALL 2015 Homework #1
Due on 10/06/2015 Tuesday
Problem 1: For Loops in Matlab
The data file data.txt contains the data taken in 40 tests and the tests were performed every 5
minutes. Each test has 6000 data points. So the data file data.txt has di
1 Computer-aided drafting
Statistical error of a function f = f (x, y, z, . . .) is
given by
Linear profile: y = L/
Matrix operations:
X (i )
Sx
Y (i ) = 0
1
0
0 x(i )
0 y(i ) ;
1
1
0
Sy
0
f stat =
s
f
x
2
(x)2 +
Fractional uncertainty:
X (i )
co
Bearing and Degrees Of Freedom (DOF)
If a farmer goes to milk her cows in the morning carrying a stool under one hand and a pail under another the other hand, how many legs does the stool have?
Degrees of Freedom
The degrees of freedom (DOF) of a mechani
Introduction to Cams
MAE 150
Professor Frank E. Talke
January 24, 2013
Simple Plate Cam
Definition
Cams are mechanical devices that convert in
general rotary motion into linear motion.
Cams can also convert rotary motion into
swinging type motion or lin
Cams (part 2)
MAE 150
Professor Frank E. Talke
January 29, 2013
Todays Plan
Pressure angle for off-set cam
Cam profile coordinates
Undercutting
Examples for typical cams
Relationship between design
parameters and cam contour
Pressure angle of off-set cam
MAE 150
COMPUTER-AIDED ANALYSIS
AND DESIGN
Professor Frank E. Talke
Winter 2013
January 8, 2013
TODAYS PLAN
Discussion of Syllabus
Overview of Computer Aided Analysis
and Design
Examples of typical topics to be discussed
General announcements/question
Error Analysis in Design
Prof. Frank E. Talke
MAE 150
January 17, 2013
Overview
Motivation for error analysis in design
Error estimate for
worst case error
statistical error
Examples
Monte Carlo Analysis
Error for uniform distribution
Error for no
MAE 150
Prof. Frank E. Talke
January 10, 2013
Todays plan
CAD operations in 2-D
CAD operations in 3-D
Homework discussion and examples
CAD operations
Note: In all CAD systems, a number of simple
operations can be performed:
1) Scaling
2) Translation
3
Curve Fitting in Design
Frank E. Talke
MAE 150
Winter 2013
Problem:
Assume you have a set of data:
Basically x values and some
corresponding y values
Question: What is the mathematical
relationship between x and y ?
How do we obtain a useable analytic
MAE150 FALL 2015 Homework #7 (will not be graded)
Problem 1: Graph theory for closed-chain device
For the linkage shown below:
a) Write down the incident matrix [S]
b) Write down the matrix [T]
c) Write down the equation of motion (both translational and
Midterm # 1
Michael Tolley
MAE 150
Winter 2016
Note
Exam will be closed book
Bring blue book
Bring basic calculator (no saved
functions)
No notes, cell phones, cameras, etc.
Equation sheet will be provided
Preparation for midterm:
Study soft reserve