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1. Chaos detection and control of a fractional piecewise-smooth system with nonlinear damping NSTL国家科技图书文献中心

Zhang, Yufeng |  Li, Jing... -  《Chinese Journal of Physics》 - 2024,90 - 885~900 - 共16页

摘要: that we use the complex Simpson formula to calculate | Chaotic response is a robust effect in natural |  systems, and it is usually unfavorable for applications |  owing to uncertainty. In this paper, we propose |  several control strategies to stabilize the chaotic
关键词: Fractional piecewise-smooth system |  Homoclinic chaos |  Chaos suppression |  Melnikov analysis |  Complex simpson formula |  LYAPUNOV EXPONENTS |  BIFURCATION |  OSCILLATORS |  RESONANCE |  DYNAMICS...

2. Liquid Leakage Model in Plunger Lift NSTL国家科技图书文献中心

Gao-qiang Ma |  Jun-feng Shi... -  《Proceedings of the International Field Exploration and Development Conference 2023, Vol. 7,Set2: Jia en Lin, editor》 -  International Field Exploration and Development Conference - 2024, - 925~935 - 共11页

摘要: complex Simpson formula to simplify the leakage volume | Gas well effusion is an important cause of low |  production and a common problem in the later production |  period. It seriously threatens the stability of gas |  well and even causes the shutdown, which greatly
关键词: Gas Well Effusion |  Plunger Lift |  Liquid Leakage Model |  Liquid Leakage Flowrate |  Liquid Leakage Velocity

3. A study of multidimensional fifth-order WENO method for genuinely two-dimensional Riemann solver SCIE Web of Science核心 EI 工程索引 NSTL国家科技图书文献中心

Zhou, Boxiao |  Qu, Feng... -  《Journal of Computational Physics》 - 2022,463 - ARTN 111249~ - 共18页 - 被引量:2

摘要: reconstruction formula to complete the reconstruction procedure |  the interface. Typical Simpson rule in Balsara's 2D |  discontinuities and complex flow structures accurately and | In this paper we conduct a research on the |  multidimensional fifth-order reconstruction method for Balsara's
关键词: Genuinely multidimensional Riemann solver |  Fifth-order reconstruction method |  WENO |  Limiter |  ESSENTIALLY NONOSCILLATORY SCHEMES |  EULER EQUATIONS |  CONSERVATION-LAWS |  PRESSURE FLUX |  METHOD II |  PART I...

4. Application of a combined forecasting model in the prediction of hull outer plate surface forming NSTL国家科技图书文献中心

Chengwei Ge |  Liang Qi... -  《2021 33rd Chinese Control and Decision Conference: CCDC 2021, Kunming, China, 22-24 May 2021, [v.1]》 -  Chinese Control and Decision Conference - 2021, - 7420~7426 - 共7页

摘要: uses the Simpson integral formula to optimize the | . Use the Simpson integral formula to improve the |  of hull shells. However, due to the highly complex |  plate, and there are complex nonlinear relationships | The curved surface forming process of the hull
关键词: Deformable models |  Support vector machines |  Heating systems |  Analytical models |  Mean square error methods |  Predictive models |  Data models
NSTL主题词: Surface forming |  Hull |  Bone Plate |  PLATES |  Plates |  plate

5. Application of a combined forecasting model in the prediction of hull outer plate surface forming NSTL国家科技图书文献中心

Chengwei Ge |  Liang Qi... -  《2021 33rd Chinese Control and Decision Conference: CCDC 2021, Kunming, China, 22-24 May 2021, [v.10]》 -  Chinese Control and Decision Conference - 2021, - 7420~7426 - 共7页

摘要: uses the Simpson integral formula to optimize the | . Use the Simpson integral formula to improve the |  of hull shells. However, due to the highly complex |  plate, and there are complex nonlinear relationships | The curved surface forming process of the hull
关键词: Surface forming |  Gray system |  Support vector machine |  Simpson integral formula |  Deformation prediction

6. Investigation on an Arc-Linear Axial Flux Permanent-Magnet Synchronous Machine NSTL国家科技图书文献中心

Jing Zhao |  Congcong Zhu... -  《2017 20th International Conference on Electrical Machines and Systems: ICEMS 2017, Sydney, Australia, 11-14 August 2017, pages 646-1295, [v.2]》 -  International Conference on Electrical Machines and Systems - 2017, - 969~974 - 共6页

摘要: is proposed based on the idea of Complex Simpson |  integral formula. Then this method is validated by | A kind of arc-linear axial flux permanent | -magnet synchronous machine (AL-AF-PMSM) used for |  scanning system is researched in this paper. Due to the
关键词: arc-linear axial flux permanent-magnet synchronous machine (AL-AF-PMSM) |  Complex Simpson integral formula |  operating range |  torque fluctuation
NSTL主题词: Permanent magnet synchronous machines |  Axial flow

7. Marked improvement in left ventricular function and significant reverse left ventricular remodeling within 3 months of cardiac resynchronization therapy in patients with dilated cardiomyopathy. SCIE Web of Science核心 NSTL国家科技图书文献中心

Funck RC |  Koelsch S... -  《PACE: Pacing and clinical electrophysiology》 - 2005,28(Suppl.1) - S5~7 - 共3页

摘要: calculated using a modified Simpson formula. Significant | -complex duration was reduced from 169.69 +/- 19.6 ms (SD | We monitored reverse left ventricular (LV | ) remodeling and LV function during the first 6 months of |  cardiac resynchronization therapy (CRT) in 34 patients
关键词: Cardiac Pacing |  Artificial |  Cardiomyopathy |  Dilated |  Stroke Volume |  Ventricular Function |  Left |  心脏起搏 |  人工 |  每搏输出量...

8. Limiting properties of certain geometric flows in complex geometry. NSTL国家科技图书文献中心

Jacob, Adam J. -  Columbia University. -  Applied Mathematics.... -  Ph.D. -  Phong, Duong H., - 2012, - 共128页

摘要: bundles over complex manifolds.;First we consider the |  to arbitrary dimension a formula of Atiyah and Bott |  Simpson on Kahler manifolds. | In this thesis, we study convergence results |  of certain non-linear geometric flows on vector

9. USING IN VOLUME COMPUTING OF DIGITAL CLOSE RANGE PHOTOGRAMMETRY NSTL国家科技图书文献中心

《The international archives of the photogrammetry, remote sensing and spatial information sciences. vol. 37 part B7-2 commission 7》 -  International archives of the photogrammetry, remote sensing and spatial information sciences proceedings - 2008, - 2735~2740 - 共6页

摘要: sectioning (trapezoidal, Simpson, and average formula), and |  improved methods (Simpson-based, cubic spline, and cubic |  Hermite formula) have been presented in the literature |  volume calculation of complex figures which may not be | It is important to know cutting and filling
关键词: Volume Computing;3D Model;Close Range Photogrammetry
NSTL主题词: Photogrammetry |  close-range photogrammetry |  Volume

10. New Directions for an Old Building Type NSTL国家科技图书文献中心

Barbara Knecht -  《Architectural record》 - 2003,191(8) - 147~154 - 共8页

摘要: century tended to follow a programmatic formula, with |  projects show just how varied and complex the laboratory |  technology (Simpson Strong-Tie's testing facility). | Certain specialized building types in the 20th |  form strictly following function. This was
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