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The loading analysis model of wind turbine blade is established according to strip theory of rotor aerodynamics. For a 1.5MW wind turbine, the force distribution on blade at rated wind speed and the moments of the blade root in various work case are dealt with by this model. The Effect of pitch control delaying on the loads of wind turbine blade is specially analyzed, too. The results show that the...
In the control of voltage source PWM rectifier, direct current control and dual close loop control structure in d-q synchronous reference frame are widely adopted. Its simulation model is built up based on PSCAD software. AC side inductor has important effect on dynamic and static response of current loop. Inductor coil can be substituted for Programmable adjustable inductor. Simulation results show...
This paper is concerned with H∞ output tracking control of networked control systems with packet disordering. Considering random and bounded delay and packet disordering, a mathematical model of networked control systems is proposed by introducing the receive index notion. Output tracking-based H∞ controller design method is presented in terms of linear matrix inequality (LMI) technology, which is...
In this paper we describe the design consideration and implementation of portscan detection module regarding to TCP analyzing of SCUT NIDS. The aim of the portscan module is to take immediate action in response to alerts generated by SCUT NIDS to protect the system from portscan attacks. Portscan module is required to maintain TCP connection records, the design of such a connection table is not trivial...
This paper is concerned with the suboptimal robust controller design of discrete-time networked control systems (NCSs) with nonlinear perturbation. In terms of the given model, a suboptimal robust controller design method is proposed based on linear matrix inequalities (LMIs) approach. Suboptimal maximal allowable perturbation degree and the minimal feedback gain of a memoryless controller are derived...
We explore two schemes using transmission-line (T-line) to achieve high-performance global interconnects on VLSI chips. For both schemes, we select wire dimensions to ensure T-line effects present and employ inverter chains as drivers and receivers. In order to achieve high throughput and alleviate Inter-Symbol Interference (ISI), high termination resistance is used in the second scheme. For the two...
To address the performance limitation brought by the scaling issues of on-chip global wires, a new configuration for global wiring using on-chip lossy transmission lines is proposed and optimized. We propose a signaling structure to compensate the distortion and attenuation of on-chip transmission lines, which uses passive compensation and inserts repeated transceivers composing sense amplifiers and...
This paper makes use of the fluid-based approach to model the throughput of TCP Veno flow over wired/wireless networks. A generalized formula is derived between Veno's throughput and its window evolution parameters, packet loss rate and round-trip time. Simulation experiments and real network measurements are conducted to validate the accuracy of this model.
To address the performance limitation brought by the scaling issues of on-chip global wires, a new configuration for global wiring using on-chip lossy transmission lines(T-lines) is proposed and optimized in this paper. Firstly, we use passive compensation and repeated transceivers composed by sense amplifier and inverter chain to compensate the distortion and attenuation of on-chip T-lines. Secondly,...
A new scheme for bus signaling using on-chip lossy transmission lines with passive compensation is introduced in this paper to address the performance limitation brought by the scaling issues of on-chip global wires. The new scheme is designed and optimized based on eye-diagram prediction algorithm and sequential quadratic programming (SQP) flow. We perform a case study to demonstrate feasibility...
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