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The widespread application of inverted pendulum principles requires better dynamic performance and steady state performance of the inverted pendulum system. The objective of this paper is to design and investigate the time specification performance of the inverted pendulum controllers. Two control methods are proposed in this paper, an innovative double PID control method and a modern LQR (liner quadratic...
This paper put forward a repetitive control algorithm based on virtual resistance to the question that improving the gain characteristic of LCL filter circuit results in increased power lose. Apply the algorithm to embedded repetitive control system, and one new repetitive controller based on virtual resistance is formed, then use the controller to control the grid-connected part of PV system. Simulation...
According to the hardware configuration used for HVDC control system from ABB, converter firing control (CFC) section is modeled based on PSCAD/EMTDC. All the functional modules of practical system which is controlled by ABB control system are reserved to make the dynamic response characteristics closer to the practical project. Single-phase to ground fault of AC transmission line is applied. The...
Fault tolerance is an important aspect in real-time computing. In real-time control systems, tasks could be faulty due to various reasons. Faulty tasks may compromise the performance and safety of the whole system and even cause disastrous consequences. In this paper, we describe ORTEGA (On-demand Real-TimE GuArd), a new software fault tolerance architecture for real-time control systems. ORTEGA has...
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