🔹 Domain 1 — Machine Control & Motion Systems ​
Priority: HIGH
This is the heart of industrial machines.
It covers how software:
- commands physical motion
- sequences machine operations
- coordinates multiple axes
- enforces timing-sensitive behavior
- ensures safe and deterministic execution
In systems like wafer inspection machines, this domain controls:
- wafer stage movement
- autofocus mechanisms
- robotic handling
- conveyors and gantries
- synchronized positioning for imaging
🎯 Why This Domain Matters ​
For a .NET engineer, this is the biggest shift from business software:
- software interacts with physical reality
- operations are long-running and asynchronous
- incorrect logic can cause real-world damage
- systems must be deterministic and safe
🧠Learning Structure (Optimized) ​
This domain is organized into 12 core topics.
Each topic is:
- deep enough to build real understanding
- scoped to avoid fragmentation
- aligned with real machine system behavior
📚 Topics ​
1. Motion Control Fundamentals ​
Understanding motion as a software problem:
- asynchronous behavior
- command → execution → completion model
- difference between software calls and physical actions
2. Motion Hardware Basics ​
Core hardware concepts:
- servo vs stepper motors
- encoders and position feedback
- how hardware capabilities affect software design
3. Axis & Coordinate Systems ​
How machines represent movement:
- axes (X, Y, Z, rotation)
- coordinate systems
- absolute vs relative positioning
4. Motion Execution & Behavior ​
How motion actually happens:
- motion command model
- feedback and monitoring
- point-to-point vs continuous motion
- real-world execution characteristics
5. Motion Safety & Limits ​
How machines prevent damage:
- homing and reference positions
- hard limits and soft limits
- safe travel zones
6. Multi-Axis Coordination ​
Coordinating multiple movements:
- synchronization across axes
- coordinated motion behavior
- interaction with sensors and timing
7. Machine Workflow & Sequencing ​
How machines execute operations:
- step-by-step sequencing
- synchronization between subsystems
- deterministic workflow execution
8. State Machines for Machine Control ​
Modeling machine behavior:
- machine states vs workflow steps
- state transitions
- hierarchical state design
9. Operational Modes & Control ​
Operator-level control behavior:
- start / stop / pause / resume / abort
- auto vs manual vs maintenance modes
10. Interlocks & Fault Handling ​
Ensuring safe and predictable behavior:
- interlocks and permissives
- motion-level errors
- alarm handling and recovery
11. Recipes & Configuration ​
Machine flexibility and control:
- recipe-driven operation
- parameter management
- configuration safety and validation
12. Calibration & Alignment ​
Maintaining accuracy:
- coordinate correction
- offsets and transforms
- alignment flows
- drift and re-calibration
🧩 Design Principles for This Domain ​
- Software must respect physical constraints
- All motion must be validated before execution
- Systems must be state-driven, not call-driven
- Failures must be expected and handled explicitly
- Safety must be designed, not assumed