IB Design Technology A. Design in Theory

A1.1.1 Ergonomics

A1.1.2 Anthropometrics

A1.1.3 Percentiles in design

A1.1.4 Adjustability and range of sizes

A1.1.5 Workspace envelopes

A1.1.6 Physiology

A1.1.7 Psychology

A2.1.1 Understanding user needs

A2.1.2 User-centred design (UCD) process

A2.1.3 Multidisciplinary teams

A2.1.4 User-centred research methods

A2.1.5 User profiles and design assumptions

A2.2.1 Low- and high-fidelity prototyping

A2.2.2 Drawings in the design process

A2.2.3 Physical and virtual prototyping

A2.2.4 Physical prototypes for development

A2.2.5 CAD for virtual prototyping

A2.2.6 Rapid prototyping

A3.1.1 Classification by properties

A3.1.2 Classification by source

A3.1.3 Material aesthetic considerations

A3.1.4 Physical properties of materials

A3.1.5 Chemical properties of materials

A3.1.6 Mechanical properties of materials

A3.1.7 Composites

A3.1.8 Smart materials

A3.1.9 Biodegradable materials

A3.2.1 Structures in nature and the built environment

A3.2.2 Classification of structures

A3.2.3 Structural components and functions

A3.2.4 Static and dynamic forces

A3.2.5 Stress, strain and material failure

A3.2.6 Young’s Modulus and structural applications

A3.2.7 Structural equilibrium

A3.2.8 Strengthening techniques in structures

A3.2.9 Safety factor (SF) in structural design

A3.2.10 Load-bearing design in structures

A3.3.1 Types of motion

A3.3.2 Input–process–output systems

A3.3.3 Mechanical advantage

A3.3.4 Changing motion in mechanical systems

A3.3.5 Combining motion types

A3.3.6 Gear systems

A3.3.7 Pulley systems

A3.3.8 Cams and motion

A3.3.9 Levers and classes

A3.3.10 Linkages

A3.4.1 Electronic systems

A3.4.2 Responsible use of electronics

A3.4.3 Analogue vs digital systems

A3.4.4 Analogue signal systems

A3.4.5 Digital signal systems

A3.4.6 Passive and active components

A3.4.7 Input devices and sensors

A3.4.8 Output devices and signal conversion

A3.4.9 Microcontollers: design, function & application

A3.4.10 Feedback systems

A3.4.11 Operational amplifiers (op-amps)

A3.4.12 Embedded systems communication

A3.4.13 Circuit diagram symbols and components

A4.1.1 Categories of manufacturing techniques

A4.1.2 Additive manufacturing

A4.1.3 Rapid prototyping and CAD

A4.1.4 Additive manufacturing in industry

A4.1.5 4D printing and material response

A4.1.6 5D printing and multi-axis printing

A4.1.7 Subtractive techniques

A4.1.8 Forming techniques

A4.1.9 Joining techniques

A4.1.10 Finishing techniques

A4.1.11 Combining manufacturing techniques