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| 1 | Uplift of the Longmen Shan range and the Wenchuan earthquake显示文摘 | Zhiqin Xu Shaocheng Ji Haibing Li Liwei Hou Xiaofang Fu Zhihui Cai | 2008 | Episodes2008，31，3： | 106 |
| 2 | Observer-based adaptive fuzzy backstepping control of uncertain nonlinear pure-feedback systems显示文摘In this paper,a new fuzzy adaptive control approach is developed for a class of SISO uncertain pure-feedback nonlinear systems with immeasurable states.Fuzzy logic systems are utilized to approximate the unknown nonlinear functions;and the filtered signals are introduced to circumvent algebraic loop systems encountered in the implementation of the controller,and a fuzzy state adaptive observer is designed to estimate the immeasurable states.By combining the adaptive backstepping technique,an adaptive fuzzy output feedback control scheme is developed.It is proven that the proposed control approach can guarantee that all the signals of the resulting closed-loop system are semi-globally uniformly ultimately bounded(SGUUB),and the observer and tracking errors converge to a small neighborhood of the origin by appropriate choice of the design parameters.Simulation studies are included to illustrate the efectiveness of the proposed approach. | TONG ShaoCheng LI YongMing | 2014 | Science China(Information Sciences)2014，57，1： | 17 |
| 3 | Initial study of biexponential model of intravoxel incoherent motion magnetic resonance imaging in evaluation of the liver fibrosis显示文摘 | Chen Cuiyun Wang Bin Shi Dapeng Fu Fangfang Zhang Jiliang Wen Zejun Zhu Shaocheng Xu Junling Lin Qing Li Jing Dou Shewei | 2014 | Chinese Medical Journal2014，，17： | 15 |
| 4 | Effects of porosity on seismic velocities, elastic moduli and Poisson's ratios of solid materials and rocks显示文摘The generalized mixture rule(GMR) is used to provide a unified framework for describing Young's(E),shear(G) and bulk(K) moduli, Lame parameter(l), and P- and S-wave velocities(V_p and V_s) as a function of porosity in various isotropic materials such as metals, ceramics and rocks. The characteristic J values of the GMR for E, G, K and l of each material are systematically different and display consistent correlations with the Poisson's ratio of the nonporous material(v_0). For the materials dominated by corner-shaped pores, the fixed point at which the effective Poisson's ratio(n) remains constant is at v_0=0.2, and J(G) > J(E) > J(K) > J(l) and J(G) < J(E) < J(K) < J(l) for materials with v_0> 0.2 and v_0< 0.2, respectively.J(V_s) > J(V_p) and J(V_s) < J(V_p) for the materials with v_0 > 0.2 and v_0< 0.2, respectively. The effective n increases, decreases and remains unchanged with increasing porosity for the materials with v_0 < 0.2,v_0 > 0.2 and v_0 =0.2, respectively. For natural rocks containing thin-disk-shaped pores parallel to mineral cleavages, grain boundaries and foliation, however, the n fixed point decreases nonlinearly with decreasing pore aspect ratio(a: width/length). With increasing depth or pressure, cracks with smaller a values are progressively closed, making the n fixed point rise and finally reach to the point at v_0=0.2. | Chengbo Yu Shaocheng Ji Qi Li | 2016 | Journal of Rock Mechanics and Geotechnical Engineering2016，8，1： | 15 |
| 5 | Robust adaptive fuzzy backstepping output feedback tracking control for nonlinear system with dynamic uncertainties显示文摘In this paper, an adaptive fuzzy output feedback control approach based on backstepping design is proposed for a class of SISO strict feedback nonlinear systems with unmeasured states, nonlinear uncertainties, unmodeled dynamics, and dynamical disturbances. Fuzzy logic systems are employed to approximate the nonlinear uncertainties, and an adaptive fuzzy state observer is designed for the states estimation. By combining backstepping technique with the fuzzy adaptive control approach, a stable adaptive fuzzy output feedback robust control is constructed recursively, in which nonlinear damping terms and a dynamical signal are introduced to counteract the nonlinear uncertainties and dominate the dynamic disturbances, respectively. It is proved that the proposed adaptive fuzzy control approach guarantees that all the signals of the closed-loop system are semi-globally uniformly bounded, and the tracking error converges to a small neighborhood of the origin. Simulation studies are included to illustrate the effectiveness of the proposed approach. | TONG ShaoCheng & LI YongMing Department of Basic Mathematics, Liaoning University of Technology, Jinzhou 121001, China | 2010 | Science China(Information Sciences)2010，53，2： | 13 |
| 6 | Adaptive Fuzzy Backstepping Tracking Control for Flexible Robotic Manipulator显示文摘In this paper,an adaptive fuzzy state feedback control method is proposed for the single-link robotic manipulator system.The considered system contains unknown nonlinearfunction and actuator saturation.Fuzzy logic systems(FLSs)and a smooth function are used to approximate the unknownnonlinearities and the actuator saturation,respectively.By com-bining the command-filter technique with the backsteppingdesign algorithm,a novel adaptive fuuzy tracking backsteppingcontrol method is developed.It is proved that the adaptive fuuzycontrol scheme can guarantee that all the variables in the closed-loop system are bounded,and the system output can track thegiven reference signal as close as possible.Simulation results areprovided to illustrate the effectiveness of the proposed approach. | Wanmin Chang Yongming Li Shaocheng Tong | 2021 | IEEE/CAA Journal of Automatica Sinica2021，8，12： | 10 |
| 7 | Robust control of uncertain time delay system:a novel sliding mode control design via LMI显示文摘The sliding mode control problem (SMC) is studied for a class of uncertain delay system in the presence of both parameter uncertainties and external disturbances. A novel virtual feedback control method is presented. Based on Lyapunov theory, sufficient conditions for design of the robust sliding mode plane are derived. Sliding mode controller based on reaching law concept is developed, which is to ensure system trajectories from any initial conditions asymptotically convergent to sliding mode plane. The global asymptotically stability of the closed-loop system is guaranteed. A numerical example with simulation results is given to illustrate the effectiveness of the methodology. | Qu Shaocheng Wang gongji | 2006 | Journal of Systems Engineering and Electronics2006，17，3： | 8 |
| 8 | Diagnosis and therapy of primary undifferentiated embryonal sarcoma of the liver显示文摘Primary undifferentiated embryonal sarcoma (UES)of the liver,also called malignant mesenchymoma of the liver,is a rare hepatic malignancy.It arises from the mesoderm and comprises more than two types of sarcomas.UES can occur at any site of the body;common sites include the retroperitoneum and the lower extremities.Only a few cases of UES have been reported worldwide.1 In this study,we retrospectively examined the clinical data of 11 patients with UES between January 2000 and November 2011 at the People's Liberation Army General Hospital. | Lyu Shaocheng Shi Xianjie Liang Yurong Gu Wanqing Ji Wenbin Luo Ying Lu Fang Xu Mingyue | 2014 | Chinese Medical Journal2014，，8： | 7 |
| 9 | Adaptive fuzzy decentralized control for nonlinear large-scale systems based on high-gain observer显示文摘An adaptive fuzzy decentralized backstepping output-feedback control approach is proposed for a class of nonlinear large-scale systems with completely unknown functions,the interconnections mismatched in control inputs,and without the measurements of the states.Fuzzy logic systems are employed to approximate the unknown nonlinear functions,and an adaptive high-gain observer is developed to estimate the unmeasured states.Using the designed high-gain observer,and combining the fuzzy adaptive control theory with backstepping approach,an adaptive fuzzy decentralized backstepping output-feedback control scheme is developed.It is proved that the proposed control approach can guarantee that all the signals of the closed-loop system are semi-globally uniformly ultimately bounded(SUUB),and that the observer errors and the tracking errors converge to a small neighborhood of the origin by appropriate choice of the design parameters.Finally,a simulation example is provided to show the eectiveness of the proposed approach. | TONG ShaoCheng REN Chang'E LI YongMing | 2012 | Science China(Information Sciences)2012，55，1： | 6 |
| 10 | Numerical simulation of the dimensional transformation of atomization in a supersonic aerodynamic atomization dust-removing nozzle based on transonic speed compressible flow显示文摘To simulate the transonic atomization jet process in Laval nozzles,to test the law of droplet atomization and distribution,to find a method of supersonic atomization for dust-removing nozzles,and to improve nozzle efficiency,the finite element method has been used in this study based on the COMSOL computational fluid dynamics module.The study results showed that the process cannot be realized alone under the two-dimensional axisymmetric,three-dimensional and three-dimensional symmetric models,but it can be calculated with the transformation dimension method,which uses the parameter equations generated from the two-dimensional axisymmetric flow field data of the three-dimensional model.The visualization of this complex process,which is difficult to measure and analyze experimentally,was realized in this study.The physical process,macro phenomena and particle distribution of supersonic atomization are analyzed in combination with this simulation.The rationality of the simulation was verified by experiments.A new method for the study of the atomization process and the exploration of its mechanism in a compressible transonic speed flow field based on the Laval nozzle has been provided,and a numerical platform for the study of supersonic atomization dust removal has been established. | Tian Zhang Deji Jing Shaocheng Ge Jiren Wang Xiangxi Meng ShuaiShuai Ren | 2020 | International Journal of Coal Science & Technology2020，7，3： | 6 |
| 11 | Robust adaptive fuzzy tracking control for a class of strict-feedback nonlinear systems based on backstepping technique显示文摘In this paper, the robust adaptive fuzzy tracking control problem is discussed for a class of perturbed strict-feedback nonlinear systems. The fuzzy logic systems in Mamdani type are used to approximate unknown nonlinear functions. A design scheme of the robust adaptive fuzzy controller is proposed by use of the backstepping technique. The proposed controller guarantees semi-global uniform ultimate boundedness of all the signals in the derived closed-loop system and achieves the good tracking performance. The possible controller singularity problem which may occur in some existing adaptive control schemes with feedback linearization techniques can be avoided. In addition, the number of the on-line adaptive parameters is not more than the order of the designed system. Finally, two simulation examples are used to demonstrate the effectiveness of the proposed control scheme. | Min WANG Xiuying WANG Bing CHEN Shaocheng TONG | 2007 | 控制理论与应用(英文版)2007，5，3： | 5 |
| 12 | Integral Barrier Lyapunov function-based adaptive control for switched nonlinear systems显示文摘This paper presents an adaptive control method for a class of uncertain strict-feedback switched nonlinear systems. First, we consider the constraint characteristics in the switched nonlinear systems to ensure that all states in switched systems do not violate the constraint ranges. Second, we design the controller based on the backstepping technique, while integral Barrier Lyapunov functions(i BLFs) are adopted to solve the full state constraint problems in each step in order to realize the direct constraints on state variables.Furthermore, we introduce the Lyapunov stability theory to demonstrate that the adaptive controller achieves the desired control goals. Finally, we perform a numerical simulation, which further verifies the significance and feasibility of the presented control scheme. | Lei LIU Yan-Jun LIU Aiqing CHEN Shaocheng TONG C.L.Philip CHEN | 2020 | Science China(Information Sciences)2020，63，3： | 5 |
| 13 | Preparation and evaluation of a new releasable PEGylated tumor necrosis factor-α(TNF-α) conjugate for therapeutic application显示文摘To design a releasable PEGylated TNF-α(rPEG-TNF-α ), a cathepsin B-sensitive dipeptide (Val-Cit moiety) was inserted into conventional PEG-modified TNF- (PEG-TNF- ), facilitating its clinical use for anti-tumor therapy. Comparative pharmaco- kinetic and pharmacodynamic studies showed that the half-lives of both PEGylated forms of TNF-α were ~60-fold greater than that of unmodified TNF-α . In addition, the in vitro bioactivity of rPEG-TNF-α was greater than that of PEG-TNF-α with the same degree of PEG modification. Release of TNF-α from rPEG-TNF-α in vitro was dependent on the presence of cathepsin B and was inhibited by a cathepsin B inhibitor. Despite the potent cytotoxicity of unmodified TNF-α against normal cells, its PEGylated forms at higher TNF-α concentrations showed low cytotoxic activity against these cells. In contrast, both forms of PEGylated TNF-α showed potent cytotoxic activity against the B16 and L929 cell lines, with rPEG-TNF-α being 5- and 9- fold more potent, respectively, than PEG-TNF-α . Moreover, rPEG-TNF-α was a more potent in vivo antitumor agent than PEG-TNF-α . | DAI ChuanYun FU Ya CHEN ShaoCheng LI Biao YAO Bo LIU WanHong ZHU LiQing CHEN Nan CHEN Ji ZHANG Qiang | 2013 | Science China(Life Sciences)2013，56，1： | 4 |
| 14 | Effects of model size and particle size on the response of sea-ice samples created with a hexagonal-close-packing pattern in discrete-element method simulations显示文摘 | Shaocheng Di Yanzhuo Xue Xiaolong Bai Qing wang | 2018 | Particuology2018，16，1： | 4 |
| 15 | On deposits controlled by tectonic lenses显示文摘By study of the typical tectonic lenses controlling some ore deposits, the tectonic lens boundaries may be classified into fuzzy boundaries, sharp boundaries and complex boundaries, and the metallostructures in tectonic lenses may be classified into vein-type, stock- work-type and breccia-type. After studying their metallostructures, we suggest the conception on tectonic lenses as an ore-forming system, realizing that the compact-function ore-forming system is made up of the lenticular weak-strain domain(Q) and its outside linear strong-strain belt(P). The ore-forming system, which is composed of four subsystems that coupled with each other and exert their system functions to the full, includes the dual-dynamical system made up of tectonic and fluid dynamics, the metallotectonic system controlled by hydrofracturing, the ore-source system made up of multi-substances and the mineral transportation system contacted by tectonic network. Deformational partitioning, hydrofracturing and tectonic pumping operate the consid- erable function while the system function practises. Finally, the significance of metallotectonics on the tectonic lenses is discussed in the paper. | WANG Jincao 1 ,XIA Bin 1 & JI Shaocheng 2 1.Guangzhou Institute of Geochemistry,Chinese Academy of Sciences,Guangzhou 510640,China 2.Department of Civil,Geological and Mining Engineering,Montreal Institute of Technology,P.O.Box6079,Station Centre-ville Montreal,Canada | 2004 | Science China Earth Sciences2004，47，12： | 3 |
| 16 | Adaptive neural network tracking design for a class of uncertain nonlinear discrete-time systems with dead-zone显示文摘In this paper,the stability and control issues of a class of uncertain nonlinear discrete-time systems in the strict feedback form are investigated.The dead-zone input in the systems,whose property is non-symmetric and discretized,is investigated.The unknown functions in the systems are approximated by using the radial basis function neural networks(RBFNNs).Backstepping design procedure is employed in the controller and the adaptation laws design.Lyapunov analysis method is utilized to prove the stability of the closed-loop system.A simulation example is given to illustrate the efectiveness of the proposed approach. | LIU YanJun LIU Lei TONG ShaoCheng | 2014 | Science China(Information Sciences)2014，57，3： | 3 |
| 17 | Recoverable Mn~Ⅲ (salen) supported on diamine modified zirconium poly(styrene-isopropenyl phosphonate)-phosphate as an efficient catalyst for epoxidation of unfunctionalized olefins显示文摘Chiral Mn Ⅲ (salen) (Jacobsen's catalyst) was axially immobilized onto a new type of organic polymer-inorganic hybrid materialzirconium poly(styrene-isopropenyl phosphonate)-phosphate(ZPS-IPPA) with different linkage lengths and evaluated as catalysts for the epoxidation of unfunctionalized olefins. The results demonstrated that the prepared catalysts exhibited moderate to good activity and enantioselectivity in the asymmetric epoxidation of unfunctionalized olefins. Furthermore, the immobilized catalysts were relatively stable and could be conveniently separated from the reaction system by simple precipitation in hexane. Moreover, higher enantioselectivity was obtained with catalyst 2c than that of homogeneous counterpart catalyzed even after eight times. The excellent recycling of the catalyst was attributed to its structure feature of ZPS-IPPA which is different from either pure polystyrene or pure zirconium phosphates. | ZOU XiaoChuan CHEN ShaoCheng REN YanRong SHI KaiYun LI Jun FU XiangKai | 2012 | Science China Chemistry2012，55，11： | 3 |
| 18 | V_p/V_s Anisotropy and Implications for Crustal Composition Identification and Earthquake Prediction显示文摘The ratio of P- to S-wave velocities(V_p/V_s) is regarded as one of the most diagnostic properties of natural rocks.It has been used as a discriminant of composition for the continental crust and provides valuable constraints on its formation and evolution processes.Furthermore,the spatial and temporal changes in V_p/V_s before and after earthquakes are probably the most promising avenue to understanding the source mechanics and possibly predicting earthquakes.Here we calibrate the variations in V_p/V_s in dry,anisotropic crustal rocks and provide a set of basic information for the interpretation of future seismic data from the Wenchuan earthquake Fault zone Scientific Drilling (WFSD) project and other surveys.V_p/V_s is a constant(Φ_0) for an isotropic rock.However,most of crustal rocks are anisotropic due to lattice-preferred orientations of anisotropic minerals(e.g.,mica, amphibole,plagioclase and pyroxene) and cracks as well as thin compositional layering.The V_p/V_s ratio of an anisotropic rock measured along a selected pair of propagation-vibration directions is an apparent value(Φ_(ij)) that is significantly different from the value for its isotropic counterpart(Φ_0).The usefulness of apparent V_p/V_s ratios as a diagnostic of crustal composition depends largely on rock seismic anisotropy.A 5%of P- and S-wave velocity anisotropy is sufficient to make it impossible to determine the crustal composition using the conventional criteria(V_p/V_s≤1.756 for felsic rocks, 1.7561.944 fluidfilled porous/fractured or partially molten rocks) if the information about the wave propagationpolarization directions with respect to the tectonic framework is unknown.However,the variations in V_p/V_s measured from borehole seismic experiments can be readily interpreted according to the orientations of the ray path and the polarization of the shear waves with respect to the present-day principal stress directions(i.e.,the orientation of cracks) and the frozen fabric(i.e.,foliation and lineation). | WANG Qian JI Shaocheng XU Zhiqin | 2009 | Acta Geologica Sinica(English Edition)2009，83，4： | 3 |
| 19 | Using nerve segment insert grafting to reconstruct neural pathways of brain-derived paralysis显示文摘Since 1992,task groups have used free nerve auto grafts to bridge partially transected nerves from the dominant area of the normal cerebral cortex to nerves that innervate spastic muscles from a diseased cerebral cortex,using transplanting sutures to alleviate the muscle spasm of cerebral palsy caused by different diseases. This has facilitated rebuilding of some of its neurological function. In this study,80 such patients were followed up,including 20 patients with traumatic brain injury,32 patients with stroke,and 28 pediatric patients with cerebral palsy. After postoperative follow-up of 3 to 21 years,the efficacy rate of this operation was 100% and the excellent and good spasm relief rate was 82.5%. | Wenbin Ding Shaocheng Zhang Zhuo Wang Lin Chen Chuansen Zhang Ping Huang Shunfa Liu Laiqing Sun Yuhai Ma Jun Yang Fei Huang Chengjing Xue Yanxue Zhong Lei Yin Yongtai Pan Dajiang Wu | 2017 | Translational Neuroscience and Clinics2017，3，4： | 2 |
| 20 | Analysis of Metastatic-Related Gene Expression in Gastric Cancer by Low-Density cDNA Microarrays显示文摘OBJECTIVE To screen metastatic-related genes in human gastric cancer by a low-density cDNA microarray technique. METHODS A total of 18 paired gastric cancer and adjacent normal mu-cosa were examined by a low-density cDNA microarray containing 23 genes. RT-PCR was used for further verification. RESULTS The mRNA expression of MMP -7, heparanase, S100A4, hTERT, hRad17 in gastric cancers was higher than that in coupled normal mucosa (P=0.002, 0.00011, 0.000072, 0.002, 0.00016 respectively), whereas nm23H1, and CDH1 were lower (P=0.003, 0.012 respectively). The concordance was verified further by RT-PCR with a correlation coefficient of 0.774. In gastric primary lesions the mRNA expression of MMP-7, heparanase and S100A4 was higher in the serosa involved compared to non-involved (P=0.003, 0.009, 0.012 respectively), whereas nm23H1, CDH1, KAI1 were lower (P=0.001, 0.001, 0.006 respectively). With respect to the area of serosa involvement, MMP-7 and heparanase expressions were higher in an area of more than 20 cm2 compared to an area of less than 20 cm2 (P=0.001, 0.02 respectively), whereas nm23H1, CDH1 and KAI1 were lower (P=0.030, 0.041, 0.031 respectively). MMP-7 and hTERT expressions were higher in the heavier lymph node metastatic cases (no less than 7) than in the lighter lymph node metastatic cases (no more than 6, P=0.001, 0.005 respectively). CONCLUSION Expression of MMP -7, S100A4, heparanase, hTERT, KAI1, CDH1 and nm23H1 correlated closely with invasion and metastasis in gastric carcinomas. The low-density cDNA microarrays can be used to examine the expression of many genes simultaneously, parallely and quickly. | Baojun Huang Huimian Xu Yujie Zhao Zhenning Wang Shaocheng Wang | 2006 | Chinese Journal of Clinical Oncology2006，3，2： | 2 |
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