Ergonomics

Ergonomics

Human Factors in Product Design

Ergonomics

If you are sitting on this chair, how do you feel? Is it comfortable?

• What is the problem of this chair?

Ergonomics

Do you think this chair is more

suitable for Mr. Cheng?

• Why do you think that it is better

Ergonomics

Why are there so many different designs of chairs

Ergonomics

Human Factors (Ergonomics) in Product

Design• Consider human performance

• Enhance– productivity – safety– convenience (easy to use)– quality of life

Ergonomics

Bad Designs

Ergonomics

Bad DesignsStove top controls

One way to make it easy to tell which control goes with which device is to arrange the controls in the same layout as the devices.

Ergonomics

Bad Designs

1. Cutting board

2. Door without window

3. How to unlock the door

4. Hard to open the door

Ergonomics

Good Designs

• 1. Keyboard

• 2. Keyboard Caddy

• 3. Armrest

• 4. Foot switches

• 5. Other products

• 6. Skid robot

Ergonomics

Why are there so many different designs of bottles?

Ergonomics

Shapes and sizes• Ergonomics is also included shapes and sizes

of people.

• People have a wide range of heights, finger lengths, head sizes etc..

• Some people have special shapes, sizes and requirement, such as older people and disabled people.

How to collect information (data) about people’s

shapes and sizes?

Ergonomics

Assignment

• Look around your environment. Find a simple product which is a bad product in the ergonomics point of view. Describe why you think there is a problem and suggest how the problem can be improved.

• You should also provide the sketches of the original product and the product after improved.

Ergonomics

Increase health

Increase safety

More comfortable

Better appearance

The improvement

Ergonomics

The reasons

• They are designs for different:

– users,

– environments, and

– functions.

Ergonomics

Robot