The development haulage system is divided into the permanent ramp and .
举一反三
- For the permanent ramp haulage system, the side of slope with haulage ramp is permanent, and another side is a working slope.
- A type-1 system has a zero steady-state tracking error to a ramp input.
- Freud divided human development into _____stages.
- If the steady-state error of unity feedback control system to a ramp input is constant, then the system is a type system A: 0 B: I C: II D: III
- As far as the development content is concerned, it can be divided into ____stages.