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This paper deals with architecture and algorithm design of networked control systems (NCSs) to cope with network outages. A Networked PID controller and an internal model control based tuning scheme is proposed, using the jitter margin to ensure stability despite dropped packets. For longer periods of disconnection, an outage heuristic is proposed. The control design and outage heuristic need only...
Our technological demands today require extremely challenging control solutions such as real-time applications of Networked Control System (NCS). However, due to communication protocol and shared data bus, NCS always experiences uncertain and unpredictable time delays in both input and output channels. These delays cause asynchronization between controller and plant thereby degrading the performance...
In this paper a complete system is designed and implemented, in which the motion of a quadcopter is stably controlled based on visual feedback and measurements of inertial sensors. We focus on developing a cost effective and easy-to-setup vision system. Active markers were finely designed to improve visibility under various perspectives as well as robustness towards disturbances in the image-based...
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