Although there are remarkable differences in drivers’ behavior as well as vehicles characteristics, road capacity estimationmethods in developing countries are same as developed ones. So, the discrepancy between the theoretical andpractical values of capacity is inevitable. Although, capacity estimation methods can be classified based on numerousparameters, in developing count...

Road surface irregularity is known to effect vehicle NVH responses. When modeling vehicle NVH, it is desirable to have high-resolution measurements of the road surface to use as road input. For typical NVH modal tire models, the road surface sampling rate will not be an issue because several points on the tire patch (center line) are used to determine the road surface irregularity. The single p...

Vehicle platooning has in recent years become an important research field for the vehicle industry. By establishing a platoon of heavy duty vehicles, the fuel consumption can be reduced for the follower vehicles due to the slipstream effect. However, as vehicles are scattered on the road driving by themselves, coordination amongst the vehicles is required. In this paper we study the problem of ...

We address the subject of formation control of underwater vehicles, using either inter-vehicle relative position measurements or range-only measurements. The work is motivated by the MORPH project, aiming to use formations of vehicles with complementary capabilities to map the underwater environment in challenging conditions. The main problem studied is that of driving a vehicle (follower) to a...

Aiming at the problem of following control autonomous vehicle, controller is designed based on Leader-follower strategies. First, kinematic modeling done. Next, model used to describe structure and L − ϕ method build error system. Then, The speed for follower achieve objectives. Finally, simulation done by Matlab, results show that effective.

Leader-follower autonomy (LFA) systems have so far only focused on vehicles following other vehicles. Though there been several decades of research into this topic, has not yet any work human-vehicle leader-follower in the known literature. We present a system which an autonomous vehicle—our ACTor 1 platform—can follow human leader who controls vehicle through hand-and-body gestures. successful...

This work presents a control strategy that allows a follower robot to track a target vehicle moving along an unknown trajectory with unknown velocity. It uses only artificial visión to establish both the robot's position and orientation relative to the target. The control system is proved to be asymptotically stable at the equilibrium point, which corresponds to the navigation objective. Experi...

Surveillance missions for multiple autonomous underwater vehicle (AUV) system suggest the use of different modes of operation including organizing and keeping a predefined formation, avoiding obstacles, reaching static and tracking dynamic targets. While exploiting a leader-follower strategy to formation control and the vector Lyapunov function method to controller design, we use discrete-event...

This paper proposes a distributed coordination mechanism between local feedback controllers that adapt the switching times of traffic lights at neighboring intersections. Some heavily loaded intersections are designated “leader intersections”. There, a local control agent sets switching times to minimize the expected queues, knowing vehicle passing times at local upstream sensors only, and send...

Through the use of a virtual tractor-trailer link model, vehicle following capabilities have been implemented without the need of communications links between the two vehicles or the installation of special road infrastructure. The principle is based on the modeling of an off-hooked trailer system as a software link between the lead and led vehicles. The leader vehicle is modeled as the tractor...