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Smooth tracking control for conversionmode of a tilt-rotor aircraft with switching modeling Research Article

Kebi LUO, Shuang SHI, Cong PENG

Frontiers of Information Technology & Electronic Engineering 2023, Volume 24, Issue 11,   Pages 1591-1600 doi: 10.1631/FITEE.2300266

Abstract: This paper investigates the problem in conversion mode of a with a switching modeling method and a technique. Based on the nonlinear model of the conversion mode, a switched linear model is developed by using the Jacobian linearization method and designing the switching signal based on the mast angle. Furthermore, an scheme is designed to deal with the conversion mode control issue. Moreover, instead of limiting the amplitude of control inputs, a method is developed to create bumpless performance. Finally, the XV-15 is chosen as a prototype to illustrate the effectiveness of this developed control method.

Keywords: State-tracking control     Switched linear systems     Time-scheduled multiple Lyapunov function approach     Smoothinterpolation    

Targeting deubiquitinase OTUB1 protects vascular smooth muscle cells in atherosclerosis by modulating

Frontiers of Medicine 2024, Volume 18, Issue 3,   Pages 465-483 doi: 10.1007/s11684-024-1056-8

Abstract: Vascular smooth muscle cells (VSMCs), the main components of atherosclerotic plaque, switch from contractileIn this study, RNAi screening in human aortic smooth muscle cells was performed to explore the effects

Keywords: atherosclerosis     vascular smooth muscle cell     ubiquitylation     deubiquitinase     OTUB1     PDGFRβ    

Fractal characteristic evaluation and interpolation reconstruction for surface topography of drilled

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 4,   Pages 840-854 doi: 10.1007/s11465-021-0643-5

Abstract: In this paper, an improved fractal interpolation model is proposed to reconstruct the surface topographythe model in published literature, the proposed model has equal reconstruction effect in relatively smooth

Keywords: surface topography     fractal evaluation     fractal interpolation     reconstruction     composite    

Crk-associated substrate, vascular smooth muscle and hypertension

TANG Dale

Frontiers of Medicine 2008, Volume 2, Issue 4,   Pages 323-331 doi: 10.1007/s11684-008-0062-6

Abstract: Hypertension is characterized by vascular smooth muscle constriction and vascular remodeling involvingadapter protein CAS family, has been shown to be a critical cellular component that regulates various smoothEvidence for the role of CAS in the regulation of vascular smooth muscle contractility is presented.Contraction stimulation induces CAS phosphorylation on Tyr-410 in arterial smooth muscle, creating theThese new findings establish the important role of CAS in the modulation of vascular smooth muscle functions

Keywords: Contraction stimulation     phosphatase-proline     molecular structure     discovered     hypertension    

Endogenous tissue factor pathway inhibitor in vascular smooth muscle cells inhibits arterial thrombosis

Jichun Yang, Kaiyue Jin, Jiajun Xiao, Jing Ma, Duan Ma

Frontiers of Medicine 2017, Volume 11, Issue 3,   Pages 403-409 doi: 10.1007/s11684-017-0522-y

Abstract: TFPI is expressed by endothelial and smooth muscle cells in the vasculature.However, the role of endogenous TFPI in vascular smooth muscle cells (VSMCs) in thrombosis and vascular

Keywords: arterial thrombosis     conditional knockout mice     tissue factor pathway inhibitor     vascular smooth muscle    

promotes the formation of atherosclerotic lesions and induces plaque instability by targeting vascular smooth

Hui Han,Yanjia Chen,Zhengbin Zhu,Xiuxiu Su,Jingwei Ni,Run Du,Ruiyan Zhang,Wei Jin

Frontiers of Medicine 2016, Volume 10, Issue 3,   Pages 320-329 doi: 10.1007/s11684-016-0463-x

Abstract: Rat aortic vascular smooth muscle cells (VSMCs) were treated with phosphate buffer solution or 500 µ

Keywords: p-cresyl sulfate     atherosclerosis     plaque stability     vascular smooth muscle cell    

Extended model predictive control scheme for smooth path following of autonomous vehicles

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 1,   Pages 4-4 doi: 10.1007/s11465-021-0660-4

Abstract: extended MPC method solved by differential evolution optimization algorithm is proposed to realize optimal smoothResults indicate that the proposed method can obtain the smooth transition to follow the optimal drivable

Keywords: autonomous vehicles     vehicle dynamic modeling     model predictive control     path following     optimization algorithm    

A multiscale-contour-based interpolation framework for generating a time-varying quasi-dense point cloud

Chu-hua HUANG,Dong-ming LU,Chang-yu DIAO

Frontiers of Information Technology & Electronic Engineering 2016, Volume 17, Issue 5,   Pages 422-434 doi: 10.1631/FITEE.1500316

Abstract: we propose an efficient framework to reconstruct 3D dynamic objects using a multiscale-contour-based interpolationThe framework formulates the interpolation of two models as point cloud transport rather than non-rigidreconstruction of a dynamic scene while improving the accuracy of point-pairing which is used to perform the interpolation

Keywords: Multi-view video     Free-viewpoint video     Point-pair     Multiscale-contour-based interpolation     Spatio-temporal-contour    

Relationship of adrenomedullin expression and microvessel density and prognosis in smooth muscle tumor

JIANG Yuan, TIAN Xuehong, YUAN Jie, JIN Yuemei, TAN Yusong

Frontiers of Medicine 2007, Volume 1, Issue 4,   Pages 398-400 doi: 10.1007/s11684-007-0077-4

Abstract: relationship between the expression of adrenomedullin (ADM) and microvessel density (MVD) and prognosis in smoothThe ADM is an important angiogenic factor in smooth muscle tumor of uterus.

Keywords: anticarcinogenic     microvessel density     malignant potency     muscle     uterine leiomyosarcoma    

Implementation of an adaptive feed speed 3D NURBS interpolation algorithm

LIANG Hong-bin, WANG Yong-zhang, LI Xia

Frontiers of Mechanical Engineering 2006, Volume 1, Issue 4,   Pages 403-408 doi: 10.1007/s11465-006-0047-6

Abstract: NURBS (non-uniform rational B-spline) interpolation algorithms have been provided in modern CNC (computerIn order to deal with this problem, an adaptive feed speed interpolation algorithm for 3D NURBS parametricWhen the instantaneous radius of the curvature is small enough, the proposed interpolation algorithmIn the other situation it uses the second-order Taylor s expansions approximation interpolation algorithmExperimental results were provided to verify the feasibility and precision of the proposed interpolation

Keywords: NURBS parametric     rational B-spline     second-order     non-uniform rational     precision    

Effect of bradykinin on bradykinin-B2 receptor in rat aortic vascular smooth muscle cells and the involved

Wen YAN MD, Min FENG MD, Pei-Hua WANG MD, Dao-Wen WANG MD,

Frontiers of Medicine 2010, Volume 4, Issue 2,   Pages 225-228 doi: 10.1007/s11684-010-0003-z

Abstract: receptor as well as the possible involved signal transduction pathways in cultured rat aortic vascular smooth

Keywords: bradykinin     vascular smooth muscle cells     signal transduction pathways    

High velocity impact of metal sphere on thin metallic plate using smooth particle hydrodynamics (SPH)

Hossein ASADI KALAMEH, Arash KARAMALI, Cosmin ANITESCU, Timon RABCZUK

Frontiers of Structural and Civil Engineering 2012, Volume 6, Issue 2,   Pages 101-110 doi: 10.1007/s11709-012-0160-z

Abstract: The modeling of high velocity impact is an important topic in impact engineering. Due to various constraints, experimental data are extremely limited. Therefore, detailed numerical simulation can be considered as a desirable alternative. However, the physical processes involved in the impact are very sophisticated; hence a practical and complete reproduction of the phenomena involves complicated numerical models. In this paper, we present a smoothed particle hydrodynamics (SPH) method to model two-dimensional impact of metal sphere on thin metallic plate. The simulations are applied to different materials (Aluminum, Lead and Steel); however the target and projectile are formed of similar metals. A wide range of velocities (300, 1000, 2000, and 3100 m/s) are considered in this study. The goal is to study the most sensitive input parameters (impact velocity and plate thickness) on the longitudinal extension of the projectile, penetration depth and damage crater.

Keywords: smoothed particle hydrodynamics     high velocity impact     sensitivity analysis    

Preparation and gaseous photocatalytic activity of smooth potassium dititanate film

QIAN Qinghua, HU Yuyan, WEN Gaofei, FENG Xin, LU Xiao-hua

Frontiers of Chemical Science and Engineering 2008, Volume 2, Issue 3,   Pages 308-314 doi: 10.1007/s11705-008-0047-7

Abstract: A new smooth potassium dititanate film was prepared by sol-gel method and characterized by thermogravimetryThe gaseous photocatalytic activity of smooth KTiO films was studied using contact angle analysis fromIt was shown that the films were smooth, compact, and transparent when formed on glass.

Keywords: reflectance     UV-Visible     photocurrent     irradiation     scanning calorimetry    

3D interpolation-approximation fitting construction method for complex geological surfaces

Li Mingchao,Miao Zhengjian,Liu Fei,Wang Gang

Strategic Study of CAE 2011, Volume 13, Issue 12,   Pages 103-107

Abstract: An approach of complex geological surface reconstruction which combines interpolation with approximation

Keywords: geological surface     interpolation-approximation fitting     3D construction     multi-source geological data    

A smooth co-ordination control for a hybrid autonomous power system (HAPS) with battery energy storage

C. K. ARAVIND,G. SARAVANA ILANGO,C. NAGAMANI

Frontiers in Energy 2015, Volume 9, Issue 1,   Pages 31-42 doi: 10.1007/s11708-015-0347-9

Abstract: The standalone hybrid power system constitutes a synchronous generator driven by a diesel engine, renewable energy source (wind) apart from a battery energy storage system. A coherent control strategy to regulate the voltage and frequency of the standalone grid is proposed in this paper. The system is simulated using Matlab/Simulink for preliminary validation and further tested on a laboratory prototype which involves a TMS320LF2407A DSP controller to digitally implement the control strategy. The dynamic behavior of the system is perused through the direct connection of an induction machine. The control strategy is verified for step changes in load and variation in wind power.

Keywords: standalone hybrid power system     battery energy storage system (BESS)     power conversion    

Title Author Date Type Operation

Smooth tracking control for conversionmode of a tilt-rotor aircraft with switching modeling

Kebi LUO, Shuang SHI, Cong PENG

Journal Article

Targeting deubiquitinase OTUB1 protects vascular smooth muscle cells in atherosclerosis by modulating

Journal Article

Fractal characteristic evaluation and interpolation reconstruction for surface topography of drilled

Journal Article

Crk-associated substrate, vascular smooth muscle and hypertension

TANG Dale

Journal Article

Endogenous tissue factor pathway inhibitor in vascular smooth muscle cells inhibits arterial thrombosis

Jichun Yang, Kaiyue Jin, Jiajun Xiao, Jing Ma, Duan Ma

Journal Article

promotes the formation of atherosclerotic lesions and induces plaque instability by targeting vascular smooth

Hui Han,Yanjia Chen,Zhengbin Zhu,Xiuxiu Su,Jingwei Ni,Run Du,Ruiyan Zhang,Wei Jin

Journal Article

Extended model predictive control scheme for smooth path following of autonomous vehicles

Journal Article

A multiscale-contour-based interpolation framework for generating a time-varying quasi-dense point cloud

Chu-hua HUANG,Dong-ming LU,Chang-yu DIAO

Journal Article

Relationship of adrenomedullin expression and microvessel density and prognosis in smooth muscle tumor

JIANG Yuan, TIAN Xuehong, YUAN Jie, JIN Yuemei, TAN Yusong

Journal Article

Implementation of an adaptive feed speed 3D NURBS interpolation algorithm

LIANG Hong-bin, WANG Yong-zhang, LI Xia

Journal Article

Effect of bradykinin on bradykinin-B2 receptor in rat aortic vascular smooth muscle cells and the involved

Wen YAN MD, Min FENG MD, Pei-Hua WANG MD, Dao-Wen WANG MD,

Journal Article

High velocity impact of metal sphere on thin metallic plate using smooth particle hydrodynamics (SPH)

Hossein ASADI KALAMEH, Arash KARAMALI, Cosmin ANITESCU, Timon RABCZUK

Journal Article

Preparation and gaseous photocatalytic activity of smooth potassium dititanate film

QIAN Qinghua, HU Yuyan, WEN Gaofei, FENG Xin, LU Xiao-hua

Journal Article

3D interpolation-approximation fitting construction method for complex geological surfaces

Li Mingchao,Miao Zhengjian,Liu Fei,Wang Gang

Journal Article

A smooth co-ordination control for a hybrid autonomous power system (HAPS) with battery energy storage

C. K. ARAVIND,G. SARAVANA ILANGO,C. NAGAMANI

Journal Article