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Analysis of the Influence of Downhole Drill String Vibration on Wellbore Stability
Most studies related to aspects of wellbore stability, such as wellbore breakage, block dropping, and wellbore expansion, revolve around the physicochemical interaction between drilling fluid and surrounding rock, but relevant studies show that drill ...
Yonggang Shan +4 more
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Safe Predictor-Feedback CACC with V2X-Aware Adaptive Spacing for Heterogeneous Vehicle Platoons [PDF]
Vehicle-to-everything (V2X)-enabled cooperative adaptive cruise control (CACC) is a key technology for improving both traffic efficiency and driving safety in vehicle-platooning scenarios.
Jaehyeon Shin, Junhyeok An, Sungjin Lee
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String Stability Analysis and Design Guidelines for PD Controllers in Adaptive Cruise Control Systems [PDF]
This paper proposes a practical design guideline for selecting control parameters in adaptive cruise control (ACC) systems to ensure both individual vehicle stability and string stability in vehicle following systems with homogeneous longitudinal ...
Kangjun Lee, Chanhwa Lee
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For the vehicular platoon consisting of connected automotive vehicles, time delays degrade both the internal stability and string stability. In this study, the internal stability and string stability of the vehicular platoon suffering from sensing delay ...
Xu Zhu +3 more
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In this article, we investigate the behavior of vehicle platoons operating in a predecessor-following configuration, implemented through sampled-data control systems.
Felipe I. Villenas +2 more
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A Novel Path Planning Algorithm for Truck Platooning Using V2V Communication
In truck platooning, the leading vehicle is driven manually, and the following vehicles run by autonomous driving, with the short inter-vehicle distance between trucks.
Yongki Lee +4 more
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The number of vehicles equipped with adaptive cruise control (ACC) is increasing, reflecting a trend toward autonomous vehicle development. It is expected that ACC systems will improve traffic in terms of string stability (i.e., attenuation of spacing ...
Masahiko KURISHIGE +2 more
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In this paper, we present the development of a low-cost multi-agent system experimental platform for teaching, and research purposes. The platform consists of train-like autonomous agents equipped with local speed estimation, distance sensing to their ...
Andrés A. Peters +4 more
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Potential Function-Based String Stable Controller for Heavy Road Vehicle Platoons
Heavy Commercial Road Vehicle (HCRV) platooning is a promising solution to meet increasing freight transportation demands. This paper applies the concept of Artificial Potential Functions (APF) to design a string stable controller, viz., Potential ...
K. B. Devika +2 more
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Nonlinear Buckling Analysis and Optimization Design of the Y-Type Composite Insulator String
Under the action of extreme wind load, the overhead transmission line will lead to the fracture of the traditional V-type insulator string, which greatly affects the safety of the power system.
Hua Bao +5 more
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