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Engineering 1P03 Exam Review Sheet
1 QUIZ NOTES
1.1 WEEK 1
Design Objective: A feature or behaviour that we wish the design to have or exhibit
Internal Feedback loops in the design process is used to verify that the design performs as
External Feedback loops in the design process is used to validate the design in the intended
The Primary Function is first considered in the Problem Definition stage of the design process
In the marshmallow challenge, tape is a means to fulfill the function of holding the spaghetti,
with the constraint that up to one meter may be used.
Literature review is the classic way to find examples of prior work and determine the state of
The success of a design is measured using metrics to evaluate the objectives.
Morphological Charts are used to identify the ways or means that can be used to make
The Top-level of the objective tree has the highest level of abstraction; It is derived from the
client’s problem statement.
Definition of Spending in a successful design project:
Ensuring that a design project uses only the resources necessary to complete the project
Conceptual Design: Stage of the design process when concepts or schemes of design
alternatives or possible acceptable designs are generated leading to a single design concept.
1.2 WEEK 2
Morphological Chart: A matrix in which the leftmost column is a list of all the principal
functions that our design must perform and some of the key features it must have.
Required Secondary Functions are those needed for the basic function.
Unwanted Secondary Functions are undesirable by-products of other functions.
Primary and Secondary required functions are listed on the leftmost column of a
Prescriptive specifications specify values of attributes that a successful design must meet,
Procedural specifications mandate specific procedures to be used to calculate attributes, and
Performance specifications characterize the desired function behaviour of the designed
Functions are what a designed device or system is supposed to do.
Team Charter is NOT a method for identifying functions of a design.
Morph chart is often a precursor to sketching ideas in the engineering design process.
o Select a compatible combination of means, one from each function, and
generate a sketch.
o For additional alternatives, select means such that you are exploring the
design space as widely as possible.
The purpose of a Function-Means Tree is to help generate secondary functions.
1.3 WEEK 3
Convergent thinking refers to when we try to narrow our design space to focus on the best
The three team-based design generation activities are known as:
The size of a design space reflects the number of possible design solutions and the number of
We can limit the size of a design space by invoking and applying constraints
The best time to construct a bill of materials is during paper assembly.
Using divergent thinking to expand design space means to Remove existing mental limits or
psychological barriers when looking for new ideas.
Design patents are granted on the form or appearance of an idea; while utility patents are
granted for functions, that is, on how to do something to make something happen.
Small design space and bounded design space both convey the image of a design problem in
which the number of potential designs is limited or small, or the number of design variables is
small and they, in turn, take on values within limited ranges.
Prototyping is not a stage that groups undergo for development (see 5 stages of group
Five basic strategies for resolving conflicts:
Design complexity has the following characteristics:
Large design spaces are complex because of the combinatorial possibilities that
emerge when hundreds or thousands of design variables must be assigned.
Design spaces are complex because of interactions between subsystems and
components, even when the number of choices is not overwhelming.
Collaboration with many specialists is often critical because it is rare that a
single engineer knows enough to make all the design choices and analyses.
The most important type of testing in design is Proof of concept.
Important info about competitive products may be gained by benchmarking to evaluate how
well existing products perform or by reverse engineering to see how similar functions are
1.4 WEEK 5
A feature or behaviour that the design space should have or exhibit is an objective.
Implementation is also referred to as means.
Structural stability can be classified as a sub-objective of the “safety” objective(example).
In the case of an arm support, safety can make most sense as a constraint.
Pairwise Comparison Chart is a tool for ordering the relative importance of objectives.
If done correctly, they can preserve the important property of transitivity.
6-3-5 method is not a method for choosing from among a set of alternative designs or
The Team charter helpful because it clarifies project goals, time, and budget constraints.
Understanding project requirements is not a task of the Work Breakdown Structure(WBS)
1.5 WEEK 6
Reproduction rights is not a type of intellectual property that is of interest to engineers.