tmt1003 lu2-1

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the primary function of a chair?

Holds the person (correct)

Moves the person

Supports the person’s weight

Decorates the room

Which component of a system is responsible for delivering its main useful function?

The interrelated components (correct)

The user interaction

The external elements

The environment

What is the primary function of a bottle?

Transports drinks

Seals liquid

Decorates a table

Holds liquid (correct)

What function does a cap primarily serve?

Seals the bottle Signup and view all the answers

Which of the following options describes an interaction between a person and an open door?

There are no functions Signup and view all the answers

What is the primary function of a toothbrush?

Clean teeth Signup and view all the answers

Which component performs the function of processing information in a system?

Computer Signup and view all the answers

What does a windshield do in a vehicle?

Protects the driver Signup and view all the answers

What is the relationship between components in an engineering system?

Interrelate and depend on each other Signup and view all the answers

What is one function of a fan?

Cools the room Signup and view all the answers

What is defined as an object with rest mass?

Substance Signup and view all the answers

Which of the following is considered a Supersystem component?

Air Signup and view all the answers

What is the main purpose of Interaction Analysis?

To identify and understand interactions between system components Signup and view all the answers

Which of the following best describes a Field?

An interaction medium without mass Signup and view all the answers

In a Function Model, what does it analyze?

Interactions between components of the Engineering and Supersystem Signup and view all the answers

Which of the following is NOT a component listed in the Engineering System?

Humidity Signup and view all the answers

What distinguishes a Supersystem component from a component of the Engineering System?

Supersystem components interact with the Engineering System but are not part of it. Signup and view all the answers

Which aspect does a Function Model analyze in connection to its components?

The advantages and disadvantages of functions acting on each component Signup and view all the answers

What is the main useful function of a toothbrush?

To remove plaque from teeth Signup and view all the answers

What is the first step in the process of trimming components in a system?

Do a component analysis Signup and view all the answers

Which of the following is a trimming rule that can be applied when analyzing functions?

Some other components do the function Signup and view all the answers

During the function analysis of a skipping rope, what are the identified functions?

Hold and move Signup and view all the answers

In the trimming exercise for a skipping rope, which component is deemed unnecessary based on the rules?

Handle Signup and view all the answers

Which rule states that an object can perform its own useful function?

Rule B Signup and view all the answers

What does Function Analysis primarily identify?

The functions performed by Components Signup and view all the answers

What happens after performing function analysis on a system?

A decision is made on which parts to eliminate Signup and view all the answers

In the context of trimming, what does the action 'to hold' imply?

To secure the function Signup and view all the answers

In Function Analysis, what role does the 'Subject' play?

The Carrier of the Function that acts upon the Object Signup and view all the answers

Why is it suggested to use Function Language instead of technical jargon?

Function Language facilitates a broader scope of potential solutions Signup and view all the answers

What is an example of a Function defined through Function Language?

Deliver Signup and view all the answers

What is the relationship between Functions and Products in an Engineering System?

Functions describe actions that produce the Product Signup and view all the answers

Which of the following statements about the Main Function is correct?

It represents what the Engineering System produces Signup and view all the answers

What does the term 'Parameter' refer to in the context of Function Analysis?

An inherent property of a Component Signup and view all the answers

What does Component Analysis identify?

The Components of the Engineering System and its Supersystem Signup and view all the answers

Which example best illustrates an action between a Subject and an Object?

Stir a liquid in a container Signup and view all the answers

What is the primary goal of an Engineering System's Main Function?

To deliver the system’s Product Signup and view all the answers

What defines a Normal Useful Function?

Function equals the designed parameters. Signup and view all the answers

Which of the following options represents an Insufficient Useful Function?

Robotic arm drops a plastic bottle. Signup and view all the answers

What is an example of a Harmful Function?

Robotic arm scratches a plastic bottle. Signup and view all the answers

What is an Excessive Useful Function?

Robotic arm crushes a plastic bottle. Signup and view all the answers

Which of the following is considered a Useless Function?

Heating of the environment. Signup and view all the answers

Which of the following illustrates an Insufficient heating scenario in a gas stove?

Gas stove fails to heat an object. Signup and view all the answers

What is the result of an Excessive function in an automobile?

Design for speed exceeding the speed limit. Signup and view all the answers

What does a Harmful function indicate when it comes to a refrigerator?

Noise of the compressor. Signup and view all the answers

In the context of a computer, which of the following represents a Harmful function?

Electro-magnetic radiation. Signup and view all the answers

Which of the following best defines a Useful Function?

Fulfills intended purpose as designed. Signup and view all the answers

What is the main function of a computer?

Information processing Signup and view all the answers

Which of the following best describes an auxiliary function?

Additional support provided by components Signup and view all the answers

Which component in a telephone converts audio signals to electrical signals?

Microphone Signup and view all the answers

What type of function describes the interaction between tools and products?

Basic function Signup and view all the answers

In the context of a vacuum cleaner, which component is primarily involved in dust collection?

Dust collector Signup and view all the answers

What is a potential harmful effect related to the use of telephones?

Electromagnetic radiation Signup and view all the answers

What does the basic function of an automobile include?

Fuel consumption Signup and view all the answers

Which of the following options describes a situation of sound being insufficient?

When audio is clear but weak Signup and view all the answers

What defines the main function of a shaving razor?

Removing hair from the skin Signup and view all the answers

Which component of a vacuum cleaner uses electric power to create suction?

Fan motor Signup and view all the answers

Which function pertains to the fundamental purpose of a telecommunications system?

Audio signal transmission Signup and view all the answers

What is the function of the power supply unit in a computer?

Providing electrical energy Signup and view all the answers

What happens when the sound transmission is excessive?

Audio is distorted Signup and view all the answers

What represents an additional function in a system?

Support for the primary operation Signup and view all the answers

Study Notes

Function Analysis & Trimming

TMS/N/T1003
Systematic Innovation and Innovative Problem Solving
Semester 1 2022/2023

Learning Objectives

Students should be able to describe function analysis.
Students should be able to illustrate component analysis, interaction analysis, and function model processes.
Students should be able to demonstrate the trimming process.

Functionality

People buy functions, not products.
Understanding functions at a fundamental level is crucial for TRIZ application success.
Solutions change, but core functions remain the same.
Functions aid in knowledge classification and ready access to existing solutions.

Function Analysis

The process involves three stages: component analysis, interaction analysis, and function modeling.
Component Analysis: Identifies components of the engineering system and its supersystem.
Interaction Analysis: Identifies interactions between components of the system, assessing the nature of interaction and its impact.
Function Model: Identifies and assesses the functions performed by each component of the engineering system.

Function Analysis Details

Subject: Carrier of the function.
Function: Action performed by the subject on the object.
Object: Receives action from the subject, parameters change due to action.
Components and objects can be components of or interacting with the engineering system.
A function is defined as an action between a subject and an object, with the subject acting upon and potentially modifying or maintaining an object parameter.
Parameters describe inherent properties of a component.

Function Language

Function models use simple language, easily understood even by children, to pinpoint functions.
Examples include using terms like "hold," "remove," and "move."

Avoid Technical Jargon

Technical jargon may limit potential solutions due to mental imagery difficulties.
Employing function language broadens the scope of potential solutions.

Main Function

The product represents what the engineering system is designed to execute or produce.
Most engineering systems contain only one product.
The main function delivers the system product.

Main Useful Function Example

Chair's function: hold a person.
Car's function: move a driver.
Table's function: hold a bottle.
Bottle's function: hold liquid.
Cap's function: seal a bottle or stop liquid leakage.
Book's function: inform a person.

Component Analysis

The purpose of doing a component analysis is to understand an engineering system.
The analysis identifies the "interrelated and interdependent" components organized to deliver the main useful function of a system.
The components encompass both internal and external elements, with the analyzed object interacting with or coexisting alongside them.

What is Component?

Identifiable object forming part of the engineering system.
Components can be substances (possessing mass) or fields (no mass, transferring interaction between substances).
Examples of substances: table, book, hammer, nail.
Examples of fields: magnetic field, electrical field.

Supersystem Components

Supersystem components encompass elements external to the system but interacting with it.
Example: air, humidity, lights.

Interaction Analysis

Interaction analysis identifies and understands the interactions between system components.
Analyzing the nature of interactions and their impacts is essential.

Function Model

An analysis of component interactions in the engineering system as well as with the system's supersystem.
It provides understanding of functional advantages and disadvantages impacting each component.

What is Function Model?

Function analysis aims to identify harmful functions, inadequately executed useful functions, and overly executed ones.
Classifies functions as normal, insufficient, excessive, and harmful based on their effect on the object.

Definition of Interactions – Useful Functions

Useful function is the product fulfilling the intended purpose according to user needs as designed.
Normal, insufficient, and excessive functions are evaluated based on their parameter values relative to the required or designed parameters.

Definition of Interactions – Harmful Functions

A harmful function adversely impacts object parameters.
Based on the actual parameter value generating undesirable or damaging effects on their objects, functions are labeled as harmful.

Examples

Refrigerator: Useful—cools food; Useless—heating back portion; Harmful—compressor noise, CFC; Sufficient—normal cooling to set temperature; Excessive—excessive cooling; Insufficient—insufficient cooling.
Gas stove: Useful—heats objects; Useless—heating environment; Harmful—gas leak; Sufficient—normal heating to desired temperature; Excessive—excessive heating; Insufficient—insufficient heating.
Automobile: Useful—moves people; Useless—fuel waste; Harmful—emission; Sufficient—normal functioning; Excessive—design for speed beyond limits; Insufficient—cannot drive through snow or water.
Computer: Useful—process information; Useless—energy consumption when idle; Harmful—EM radiation, fan noise; Sufficient—normal operation; Excessive—excessive use; Insufficient—inability to process tasks.
Telephone: Useful—transmit audio; Useless—disrupted signal; Harmful—EM radiation; Sufficient—proper functioning; Excessive—excessive volume; Insufficient—inaudible sound.

Exercise

Examples related to trimming the identified components: toothbrush, skipping rope.

Trimming

Method for eliminating engineering system components to minimize disadvantages.
Aim: increasing efficiency and reducing engineering system cost.

Trimming Rules

RULE A: Eliminate a function if the related object no longer exists.
RULE B: The object itself performs the required function.
RULE C: Transfer the function to another component in the system or supersystem.

Trimming Case Study Examples

Toothbrush, skipping rope studies illustrating the application of trimming rules.

Studying That Suits You

Use AI to generate personalized quizzes and flashcards to suit your learning preferences.