Control Systems
by benedict evans
1. Safety
1.1. proximity detectors
1.2. level detector
1.3. system interdenpendencies
1.3.1. what cannot operate at the same time
1.3.2. what needs to happen before each function
1.4. automatic kill switches
2. Engine
2.1. on/off switch
2.2. overheating - have a temperature gauge with kill switch
3. Powerhead
3.1. how is torque applied
3.2. pressure sensor
3.2.1. pressure relief valve
3.3. temperature gauge
3.4. will it cut when the torque gets too high so as not to damage the equipment
4. Anchoring system
4.1. in/out control
4.2. manual or driven
4.3. possible rotary/linear control
5. Drive
5.1. movement controls
5.1.1. left
5.1.2. right
5.1.3. reverse
5.1.4. forwards
5.1.5. different speeds
5.2. user interface
5.3. mechanically or electrically controlled
5.4. can't freely move, i.e. braking system
5.5. hydraulics or gearbox
6. Mast
6.1. angle orientation and measurement
6.1.1. simple level gauge
6.1.2. driven or manual
6.2. movement of power head vertically
6.2.1. driven
6.2.2. manual
7. User Interfaces
7.1. remote control
7.2. electrical
7.2.1. PCB