In an electrical power steering apparatus, steering shaft reaction torque
is estimated by a steering shaft reaction torque estimation unit, and a
reference road reaction torque is estimated by a reference road reaction
torque estimation unit. The estimated steering shaft reaction torque and
the reference road reaction torque are weighted, and, in response, a
target steering reaction torque is set by a target steering reaction
torque generation unit, hysteresis width and slope of the target steering
reaction torque are respectively adjusted, and steering feeling is
thereby easily improved.