Vehicle multi-mode power-assisted steering method, device and equipment

The invention discloses a vehicle multi-mode power-assisted steering method and device and computer equipment, and the method comprises the steps that power-assisted steering modes are set, the power-assisted steering modes comprise a default power-assisted steering mode, a first power-assisted steering mode and a second power-assisted steering mode, gain coefficients, steering engine return speeds and/or damping compensation coefficients of the power-assisted steering values of different power-assisted steering modes are different; receiving a power-assisted steering mode switching signal; when a power-assisted steering mode switching condition is met, switching to a corresponding power-assisted steering mode according to the power-assisted steering mode switching signal; and when the power-assisted steering mode switching condition is not met, the default power-assisted steering mode is entered, the power-assisted steering mode is switched according to the requirement of the user, and the user can use the s