Page 9 - Robots Androids and Animatrons : 12 Incredible Projects You Can Build

A little history 18
Greater than I 19
The locked cage 19
Biotechnology 20
Neural networks—hype versus reality 20
What are neural networks? 20
What is artificial intelligence? 21
Using neural networks in robots 22
Tiny nets 22
Neural-behavior-based architecture 22

3 Power 23
Photovoltaic cells 23
Building a solar engine 24
Batteries 28
Battery power 28
Battery voltage 29
Primary batteries 29
Secondary batteries 30
In general 33
Building a NiCd battery charger 33
Building a solar-powered battery charger 38
Fuel cells—batteries with a fuel tank 38
If not now, when? 39

4 Movement and drive systems 41
Air muscles 41
Applications 41
How air muscles work 42
Nitinol wire 43
Solenoids 45
Rotary solenoids 46
Stepper motors 47
Stepper motor circuit 48
Servo motors 48
DC motors 54
DC motor H-bridge 55
Pulse-width modulation 57

Team LRN