Is the traditional steering system of automobile a mechanical steering system? Is the latest steering system now steer by wire?

The traditional automobile steering system-mechanical steering system is rarely used at present. The most advanced linear power steering system is generally used in airplanes, but only used in finidi Q50L in automobiles. More broadly, the electronically controlled motor is a power steering system. The steering-by-wire system is characterized by complex structure and complicated program. It is controlled by multiple modules, the driver holds the steering wheel, but the fate is in the hands of the control computer. Therefore, its stability is still relatively poor at present, and its development prospect should be applied to driverless smart cars. Approved!