IB Design Technology B. Design in Practice

B1.1.1 Structuring a UCD inquiry

B1.1.2 Applying research methods

B1.1.3 Persona development

B1.1.4 Usability

B1.1.5 Task analysis

B2.1.1 The design process

B2.1.2 Research in the design process

B2.1.3 User journey and storyboarding

B2.1.4 Problem definition

B2.1.5 Design specification

B2.1.6 Ideation and modelling

B2.1.7 Iterative analysis and evaluation

B2.1.8 Iterative modelling, testing and refinement

B2.1.9 Prototyping and user testing

B2.1.10 Communicating technical details

B2.1.11 Presenting the final solution

B2.2.1 Drawings for feedback and communication

B2.2.2 Physical prototypes for design testing

B2.2.3 CAD modelling and design development

B2.2.4 Finite element analysis (FEA)

B2.2.5 CAD for rapid prototyping

B2.2.6 Using feedback to refine designs

B3.1.1 Material selection

B3.2.1 Forces

B3.2.2 Young’s Modulus and stiffness

B3.2.3 Structural failure

B3.2.4 Diagramming structural forces

B3.2.5 Safety factors calculations

B3.3.1 Mechanical advantage calculations

B3.3.2 Velocity ratio calculations

B3.3.3 Efficiency calculations

B3.3.4 Gear and belt-driven system applications

B3.3.5 Cam and follower systems

B3.3.6 Levers and load-effort systems

B3.4.1 Electronics in everyday products

B3.4.2 Electronic measuring tools

B3.4.3 Electrical calculations

B3.4.4 Resistors and capacitors in series & parallel

B3.4.5 Flow diagrams

B3.4.6 Circuit arrangement

B3.4.7 Input sensors in digital systems

B3.4.8 Boolean logic and truth tables

B3.4.9 Wireless communication in embedded systems

B4.1.1 Production systems

B4.1.2 Scales of production

B4.1.3 Factors affecting manufacturing technique choice

B4.1.4 Production and design constraints