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Process variation is the dominating factor for performance degradation in modern IC chips. The conventional guard-band design methodology leads to significant performance penalty. This paper utilizes an emerging non-volatile resistive device, memristor, with timing violation detectors to dynamically achieve local recovery from timing violation during the runtime, eliminating the necessity of testing...
Advanced nanoscale Very Large Scale Integrated (VLSI) circuits are facing significant timing closure challenges especially due to random on-chip threshold voltage variation. When dealing with the exaggerated timing issues in nanoscale technologies, conventional use of design guard-band significantly trade off the performance while more sophisticated statistical based timing analysis often requires...
The fixed parameters in traditional PID controller lead to poor performance. In this paper, the ideal change relationship between the error of the control object and the control parameters is analyzed and nonlinear functions are presented to form a nonlinear PID controller. The parameters are tuned with the NCD Blockset in Simulink. The nonlinear PID controller is applied to one main steam temperature...
On-chip resonant supply noise in the mid-frequency range (i.e., 50-300 MHz) has been identified as the dominant supply noise component in modern microprocessors. To overcome the limited efficiency of conventional decoupling capacitors in reducing the resonant supply noise, this paper proposes a low-power digital switched decoupling capacitor circuit. By adaptively switching the connectivity of decaps...
In view of large time delay and uncertainty of the main steam temperature system in a power plant, combining with internal model controller, a control method based on adaptive PSD is proposed. The advanced control algorithms have the advantages of the simple algorithm and the small calculating amount. Compared with the conventional cascade PID control system, the simulation results show that the self-adaptive...
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