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In this work, we propose haptic-based bilateral tele-operation for quad-rotor vehicles by using Internet communication infrastructure. The idea is to introduce shared autonomy to increase remote operation and manipulation capacity of the vehicle in uncertain flying environments. The design couples ground and remote sites by position and velocity signals of the master haptic and slave quad-rotor vehicle...
In this paper, we propose model-based control design strategy for the trajectory tracking of the internet-based bilateral telehaptic systems. The communication time delay between local-master and remote-slave platform is assumed to be symmetrical and unsymmetrical nature. The design comprises delayed position signals with the local velocity signals and the known structure of the master and slave system...
This paper considers trajectory tracking control problem for internet-based teleoperation system under time varying communication delay. The design comprises delayed position signals with the local velocity and nonlinear adaptive control signals. Adaptive terms are used to learn and compensate uncertain parameters for the gravity loading vector of the master-slave device. Lyapunov-Krasovskii-like...
Multicasting has not been widely adopted until now, due to lack of receiver or end user (EU) access control. We have developed the Internet group management protocol with access control (IGMP-AC), an extended version of IGMPv3, which provides EU access control by incorporating the AAA framework into the existing multicast service model. Furthermore, IGMP-AC works as an extensible authentication protocol...
Increased interest in e-commerce protocols and reliable exchange of information over the Internet have created needs of fair exchange protocols for contract signing and other purposes. The ASW protocol is one of the prominent optimistic fair exchange protocols that is used for contract signing between two participants, the originator and the responder, with the aid of a trusted third party in case...
IP multicast is best known for its bandwidth conservation and lower resource utilization. The classical model of multicast makes it difficult to permit access only to authorized end users or paying customers. A scalable, distributed and secure architecture is needed where authorized end users can be authenticated before delivering any data or content. In (unsecure) multicast, an end user or host informs...
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