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Advanced Search Results For "STABILITY criterion"

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 "STABILITY criterion"
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Analysis of Influencing Factors of Roadway Stability and Adaptability Criterion for Gob-Side Pre-Backfill Driving.

Publication Type: Academic Journal

Source(s): Mathematical Problems in Engineering. 8/21/2022, p1-15. 15p.

Abstract: To reduce the loss of coal pillars between two adjacent longwall working faces, gob-side pre-backfill driving (GPD) procedure is suggested. This paper introduces in detail the principles and characteristics of the GPD procedure. Based on the arc triang...

考虑可变车头时距的智能网联车跟驰模型.

Publication Type: Academic Journal

Source(s): Journal of Jiangsu University (Natural Science Edition) / Jiangsu Daxue Xuebao (Ziran Kexue Ban). 2022, Vol. 43 Issue 4, p381-385. 5p.

Abstract: 针对智能网联车辆(intelligent and connected vehicle, ICV)的跟驰问题,提出 ICV 跟驰模型, 并分析模型特性.考虑可变车头时距的跟驰特性,提出模型结构简单且参数物理意义明确的 ICV 跟驰模型.基于均衡态“车头间距-速度”函数关系式,计算所提 ICV 跟驰模型的流量-密度函数 曲线,分析所提 ICV 跟驰模型的通行能力提升机理,并从微观动力学角度,理论推导所提 ICV 跟驰 模型的稳定性判别条件.结果表明:所提 ICV 跟驰模型可在 66.887 2 辆· k...

Convergence and Stability of Optimal two-step fourth-order and its expanding to sixth order for solving nonlinear equations.

Publication Type: Academic Journal

Source(s): European Journal of Pure & Applied Mathematics. Jul2022, Vol. 15 Issue 3, p971-991. 21p.

Abstract: In this paper, we provided a new fourth-order optimal method. This method demands three functional evaluations, and according to Kung-Traub it is considered as one of the optimal methods with efficiency indicator I that reaches 1.587. Furthermore, we c...

Extending the adaptive time gap car-following model to enhance local and string stability for adaptive cruise control systems.

Publication Type: Academic Journal

Source(s): Journal of Intelligent Transportation Systems. 2023, Vol. 27 Issue 1, p36-56. 21p.

Abstract: In this paper, we extend the nonlinear adaptive time gap car-following model to enhance the local and string stability for adaptive cruise control systems considering a time-lag in the lower level vehicle dynamics and a sensor time-delay. Both over-dam...

Anti-Disturbance Compensation for Quadrotor Close Crossing Flight Based on Deep Reinforcement Learning.

Publication Type: Academic Journal

Source(s): IEEE Transactions on Industrial Electronics. Mar2023, Vol. 70 Issue 3, p3013-3023. 11p.

Abstract: The aim of this article is the design of a feedforward compensator based on deep reinforcement learning (DRL) for cooperative quadrotors in close crossing flight. Quadrotors are described by state-space models that include shearing airflow disturbance ...

Delay-Dependent Switching Approaches for Stability Analysis of Two Additive Time-Varying Delay Neural Networks.

Publication Type: Periodical

Source(s): IEEE Transactions on Neural Networks & Learning Systems. Dec2022, Vol. 33 Issue 12, p7545-7558. 14p.

Abstract: This article analyzes the exponentially stable problem of neural networks (NNs) with two additive time-varying delay components. Disparate from the previous solutions on this similar model, switching ideas, that divide the time-varying delay intervals ...

The electronic and mechanical properties of Fe16N2 up to 150 GPa: First-principles calculation.

Publication Type: Academic Journal

Source(s): Journal of Applied Physics; 9/7/2022, Vol. 132 Issue 9, p1-9, 9p

Abstract: Copyright of Journal of Applied Physics is the property of American Institute of Physics and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users ma...

Cluster synchronisation of nonlinear singular complex networks with multi-links and time delays.

Publication Type: Academic Journal

Source(s): International Journal of Systems Science. Nov2022, Vol. 53 Issue 15, p3226-3241. 16p.

Abstract: This paper investigates the cluster synchronisation problem of singular nonlinear networks with multi-links and time delays. A two-layer nonlinearly coupled multiplex model composed of many pairs of multi-link leader–follower subnets is introduced, whi...

An Analytical Calculation Method for Displacement Criterion on Tunnel Surrounding Rock Mass Stability.

Publication Type: Academic Journal

Source(s): Advances in Civil Engineering. 1/24/2022, p1-9. 9p.

Abstract: Assessment on the stability of a tunnel surrounding rock mass is an important issue during designing and construction of the tunnel. There is still no good enough analytical method to calculate the displacement criterion on the stability of the tunnel ...

Large signal stability criterion of AC–DC hybrid microgrids with constant power loads considering reference current limitation.

Publication Type: Academic Journal

Source(s): IET Generation, Transmission & Distribution (Wiley-Blackwell). Nov2022, Vol. 16 Issue 22, p4589-4599. 11p.

Abstract: Islanded AC–DC hybrid microgrids composed of new energy sources, constant power loads and energy storage system are typical non‐linear systems, and guaranteeing large signal stability is a key issue. In this paper, the non‐linear model of islanded AC–D...

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