نتایج جستجو برای: lpv
تعداد نتایج: 1439 فیلتر نتایج به سال:
Active power control (APC) refers to a mode of operation where the wind turbine tracks a desired power reference command. It enables wind farms to perform frequency regulation and to provide ancillary services in the energy markets. This paper presents a linear parameter varying (LPV) approach for APC. The multiple-input, multiple-output controller builds upon a previous gain-scheduled design. ...
There are many control methods of wind power generator set, and various control technology has successful applied cases,however, with the content augment of set, we need to improve dynamic stability. The routine traditional control technology (for example PID control) can’t satisfy the requirements now. Aiming at the particularity of wind power generator set, the paper puts forward a new gain s...
AIM To evaluate the long-term safety and effectiveness of lopinavir/ritonavir (LPV/r) in a population-based cohort of HIV-1-infected children. METHODS All children enrolled in the Swiss Mother and Child HIV Cohort Study, treated with LPV/r-based combination antiretroviral treatment (cART) between November 2000 and October 2008, were included. RESULTS 88 children (25 (28%) protease inhibitor...
This paper presents a Linear Parameter Varying (LPV) modeling approach for the longitudinal motion of a Boeing 747 series 100/200. The three approaches used to obtain the quasi-LPV models are Jacobian Linearisation, State Transformation, and Function Substitution. Linear Parameter Varying models are a key step in applying LPV control synthesis which guarantee a level of stability and robustness...
Together, the Global Positioning System (GPS) and the Wide Area Augmentation System (WAAS) can guide aircraft down to 200 ft above the runway. This approach procedure is referred to as Localizer Performance with Vertical guidance (LPV)-200. Approach guidance using GPS and WAAS has many advantages over traditional precision approach guidance using the Instrument Landing System (ILS) and the numb...
In this paper we propose a nonlinear H2 control to improve transient response in the position control and to reduce energy consumption for the position tracking of Sawyer motors. The proposed method consists of a nonlinear torque modulation with a commutation scheme and gain scheduling LPV controller. The position control problem for the Sawyer motor is reformulated into the LPV system optimal ...
INTRODUCTION Several genetic single nucleotide polymorphisms (SNPs) in biotransformation enzymes (CYP3A4, CYP3A5) or transporter proteins (multidrug resistance MDR1 gene product, P-gp) are involved in PI metabolism so that PI pharmacokinetics is characterized by a large inter-individual variability. The aim of this study was: (i) to develop an in-house PCR/direct sequencing, based on DNA purifi...
DONG, KE. Advanced Design Techniques in Linear Parameter Varying Control. (Under the direction of Associate Professor Fen Wu). To improve the analysis and control synthesis approach of linear fractional transformation (LFT) parameter-dependent systems, two types of non-quadratic Lyapunov function and switching control scheme are introduced and studied in this thesis. A gain-scheduled controller...
BACKGROUND Nevirapine (NVP) is widely used in antiretroviral treatment (ART) of HIV-1 globally. The primary objective of the AA5208/OCTANE trial was to compare the efficacy of NVP-based versus lopinavir/ritonavir (LPV/r)-based initial ART. METHODS AND FINDINGS In seven African countries (Botswana, Kenya, Malawi, South Africa, Uganda, Zambia, and Zimbabwe), 500 antiretroviral-naïve HIV-infecte...
This paper presents a novel modeling method for the control design of autonomous vehicle systems. The goal is to provide control-oriented model in predefined Linear Parameter Varying (LPV) structure. scheduling variables LPV through machine-learning-based methods using big dataset are selected. Moreover, parameters an optimization algorithm computed, with which accurate fitting on achieved. pro...
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