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For active steering vehicle, a proper steering ratio is important to the driver's handling stability. This paper focuses on variable steering ratio. Based on the structure of double planet gear set, the relationship of steering wheel angle and motor angle is described, and the kinematic model of front wheel's additional angle is established. In order to overcome the large steering workload in low...
In this paper, we propose a yaw moment control based on fuzzy-logic controller to enhance the vehicle stability. A two-degree-of-freedom nonlinear model of the considered vehicle is briefly presented. The feedback of the yaw rate and sideslip angle are regarded as inputs of the controller. The developed controller generates the suitable steering angle so that the vehicle follows the target values...
To enhance yaw stability of the vehicle with Active Front Steering System, a vehicle two-degree-of-freedom simple model is set up. The feedback of the yaw rate is regarded as an input; we propose a yaw moment control based on fractional-order PID controller, and parameters in-line setting in the process of control is realized. The developed controller generates the suitable yaw moment so that the...
Outbound logistics usually involve the management of truck activities from guiding the trucks into the plant, assigning parking area for waiting and scheduling trucks for loading. However, some problems exist in the current FIFO (first in, first out) loading scheme. It is because when trucks arrive at the loading bay for loading, some products have not been finished with some percent still on the...
This paper explores a pragmatic establishment of healthcare techniques dedicated to improving the safety and drivability of electric power wheelchairs. The focus of the study is an analysis of the relationship between passenger's posture behavior and comfort sensation in riding mobile wheelchair. We propose a new driving control system, by constructing a passenger's posture model that involves the...
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