6B.1.1 OUTLINE OF STEERING SYSTEM
As shown in Figure 6B.1, the steering system is composed of a steering gearbox, actuator, and
controller.
The steering gearbox is provided with a potentiometer which detects the steering handwheel
operating force and sends to the controller a signal which corresponds to the strength and direction
of the force. The controller converts the signal from the potentiometer into the direction and
amount of electric current which ows into the motor. If an external force is applied to the steering
wheel, the potentiometer detects that force and the actuator generates a force of the same strength
in the reverse direction so that no shock is felt at the handwheel.
The controller is incorporated in the speed controller inside the counterweight.
Fig. 6B.1 Steering System
POTENTIOMETER
EPS MOTOR
EPS
CONTROLLER
ACTUATOR
6B. STEERING SYSTEM (EPS type)
To Next Page
Loading...
