Mr. Beliakou

Eliminate a battery - replace it for another source of energy

Replace the battery for another device that generate energy when it is needed

Use the other way around - opposite - generate electricity when moving

Use piezoelectric plate to generate electricity due to bending

To use the electrostatic effect to collect the dust

Use the piezoelectric plate as a collector of the dust due to electrostatic effect

Use a belt with deposited piezoelectric material. Collect the dust on the belt and remove the dust from the belt due to the belt rotation

This project showcases how functional modeling can drive innovation by analyzing and simulating various versions of a vacuum cleaner. By studying the functional model, you will experience firsthand how the Functional Modeling creative thinking tool helps identify opportunities for improvement and generate innovative ideas for the next generation of products.

Through this example, you’ll learn how to dissect the functionality of a vacuum cleaner, revealing ways to enhance its performance, efficiency, and user experience—ultimately paving the way for future innovations.

Functional Modeling of a Vacuum Cleaner: A Pathway to Innovation

Projects dedicated to mechanical engineering

Vacuum cleaner Functional modeling

Anything related to the cubic measure of space occupied by an object or the space around it.   'Moving' includes any situations where there is any degree of relative motion or mobility between two or more parts related to the problem.  This relative motion may be a few microns or a considerable distance.

Volume of moving object

Taking Out (Extraction)

Universality

Preliminary action

Discarding and recovering

The number of useful (value-adding) functions or operations performed by a system per unit time.  The time per unit function or operation.  Useful output per unit of time.  Cost per unit output, or amount of useful output.  (See 'Speed' –  #14 – which is more focused on issues of dynamics rather than the output of product.)

Productivity

The extent to which a user is able to learn how to operate, operate or control a system or object.  The convenience of use.

Ease of operation

The battery charges and supplies electricity for the DC motor

The Other way around

Periodic action

Loss or waste of energy that does not contribute to any of the useful functions being performed.  Inefficiency.  Can be partial or complete, permanent or temporary.

Loss of energy

Any interaction that is intended to change an object's condition.  Can be linear or rotational; the term applies equally well to torque.

Force

Mechanical vibration

Copying

Parameter changes

System' Complexity – The number and diversity of elements and element interrelationships within and across the boundaries of a system.  The user may be an element of the system that increases the complexity.  Includes issues like the number of functions, number of interfaces and connections, excessive number of components.    'Control' Complexity – complexity of the control system – either physical components or the algorithms that it contains- used to control a system in delivering useful functions.

Device complexity

Battery consumes energy even without usage

The measure of an object's capacity for doing work.  This parameter focuses on the actual amount of energy (rather than the efficiency of its use, see 27).  'Moving' includes any situation where there is any degree of relative motion between two or more parts related to the problem.  The relative motion may be a few microns or larger amounts.

Use of energy by moving object

Equipotentiality

Mechanics substitution

The measure of an object's capacity for doing work.  This parameter focuses on the actual amount of energy (rather than the efficiency of its use, see 27).  'Stationary' includes any situation where there is no form of relative motion between two or more parts related to the problem.

Use of energy by stationary object

Local quality

Porous materials

The amount, quantity, or a number of a system's materials, substances, parts, fields or sub-systems.  'Substance' is used in its most generic form in the TRIZ context to include any physical or temporal 'thing'.

Quantity of substance/the matter

Any linear or angular dimension relating to a stationary object.   'Stationary' includes any situations where there is no form of relative motion between two or more parts related to the problem.

Functional Modeling of a Vacuum Cleaner: A Pathway to Innovation

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