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In this paper, the phase-lead/phase-lag controller is selected as the main controller to achieve desired performance. Based on the observer-based scheme, an auxiliary compensator of the main controller is designed to improve the performance reduction due to actuator saturation. To obtain the auxiliary controller, the effect of actuator saturation is modeled as a disturbance imported to the main controller...
Blind source separation (BSS) has been of great interest in many areas such as wireless communications and biomedical imaging. Since many of the existing BSS methods are based on a successive cancellation procedure for extracting all the unknown sources, they suffer not only from the error propagation accumulated at each stage but also from a long processing latency. Chen et al. recently proposed...
This study proposed a sequential procedure for identifying all hydrodynamic parameters of a remotely operated vehicle (ROV). A simplified nonlinear ROV dynamic model with twelve unknown hydrodynamic parameters in six degrees of freedom was used for simulations. Uncoupled motions such as surge, heave, sway, yaw, and coupling surge and sway were obtained from ROV dynamic model to reduce number of parameters...
Dramatic increases in design complexity and advances in IC manufacturing technology affect all aspects of circuit performance and functional correctness. As interconnect increasingly dominates delay and power at the latest technology nodes, much effort is invested in physical synthesis optimizations, posing great challenges in validating the correctness of such optimizations. Common design methodology...
Physical synthesis is a relatively young field in electronic design automation. Many published optimizations for physical synthesis end up hurting the final result, often by neglecting important physical aspects of the layout, such as long wires or routing congestion. In this work we propose SafeResynth, a safe resynthesis technique, which provides immediately-measurable delay improvement without...
In this paper, Chi and Chen's computationally efficient fast kurtosis maximization algorithm (FKMA) for blind beamforming and equalization is applied to the design of the conventional cascade space-time receiver (CSTR) for blind co-channel interference and inter-symbol interference (ISI) reduction in cellular wireless communications using antenna arrays. However, the receiver performance is limited...
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