FACTORS

Operation and function

User and environment

Production process

Operation principles

Device composition

Mode of use

Related accessories

Environmental characteristics

Materials

and supplies

Processes

Concepts

Particular

specifications

―Behaviour to mechanical

loads

―Kinematics

of the system:

constraints

and degrees

of freedom

―Methods of

actuation and

control

system

―Main parts: ―structure ―seat ―backup ―Armrest ―Headrest

―Type and characteristics of joining methods

―Shapes and sizes of parts

―Age and physical condition of potential users

―Areas of exercised muscle

―Position of

the user when performing exercises

―Contact between user and machine

―Guards

and security features

―Fixations

on the floor

―Grips

―Information panels and indicators

of use

―Environmental conditions (temperature, humidity,

wind ...)

―Aesthetics

of the environment

―Emotional elements

―Misuse and

vandalism

―Type and format of

raw

materials

and materials

―Standardized elements

―Adhesives, paints, finishes

―Quantities

and units of

acquisition

―Methods of

manufacturing

―Operations process

―Machinery

and equipment

used

―Control of tasks and materials

―Assembly

and finishing product

Concept 1

Harmony with nature

―Ways curves ―Colour Play ―Comfort

Concept 2

Load

control

―Mechanism

weight

regulation

Concept 3

Versatility

―Reclining back ― Exercises in another position

General specifications

Mechanical strength

Hard removal

Ergonomic set

Security

Durability

Standardization

Technical feasibility