161 Result(s)
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Article
Predefined-time adaptive consensus control for nonlinear multi-agent systems with input quantization and actuator faults
Predefined-time control has experienced substantial advancements in recent years. Nevertheless, the current technology has not achieved widespread adoption in nonlinear multi-agent systems (NMASs), and signifi...
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Article
A data and mechanism hybrid driven cutting parameter optimization method considering the machine tool and coolant condition flexibility
Machining configurations, as well as machine tools and coolant conditions, have a significant impact on the selection of cutting parameters. Cutting parameter selection varies with the dynamics of the machinin...
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Article
Open AccessThe effect of friction block hole configurations on the brake tribological performance of high-speed trains
Three triangular friction block configurations are commonly employed in high-speed train brake systems, namely, unperforated, perforated configuration with one circular hole, and perforated with three circular...
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Article
A novel interpolator designed for laser scanning welding of hairpin windings in electric vehicle motors
Electric vehicles are recently prosperous due to decarbonization and electrification in transportation. However, manufacturing their motor windings with stable high quality is challenging, especially in hairpi...
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Article
A large domain identification problem in nonlinear systems using metaheuristics
Parameter identification in systems with nonlinear behavior in a large domain search space is one of the challenging engineering problems. The use of efficient optimization methods is one of the basic requirem...
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Article
Dynamic compliance of energy-saving legged elastic parallel joints for quadruped robots: design and realization
Achieving dynamic compliance for energy-efficient legged robot motion is a longstanding challenge. Although recent predictive control methods based on single-rigid-body models can generate dynamic motion, they...
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Article
Small tracking error correction for moving targets of intelligent electro-optical detection systems
Small tracking error correction for electro-optical systems is essential to improve the tracking precision of future mechanical and defense technology. Aerial threats, such as “low, slow, and small (LSS)” movi...
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Article
Two simple memristive maps with adaptive energy regulation and digital signal process verification
Mathematical models can produce desired dynamics and statistical properties with the insertion of suitable nonlinear terms, while energy characteristics are crucial for practical application because any hardwa...
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Article
Open AccessA novel 3D train–bridge interaction model for monorail system considering nonlinear wheel-track slip** behavior
Variable speed operation of the train cause easily the wheel-track slip** phenomenon, inducing strong nonlinear dynamic behavior of the suspended monorail train and bridge system (SMTBS), especially under an...
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Article
Spinning process of 2219 aluminum alloy tubes for used in hydroforming
2219 aluminum alloy thin-walled tubes were fabricated by multi-pass spinning process, and then heat treatments were employed to optimize the mechanical properties of the spun tubes. It is shown that severe def...
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Article
Study on arc shape, weldment microstructure, and mechanical properties of Ti-6Al-4V welded by FFDP TIG waveform
Ti-6Al-4V titanium alloy weldments were prepared using conventional TIG and fast-frequency double-pulse TIG (FFDP TIG) waveforms. Arc shape, microstructure, and mechanical properties of weldments were investig...
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The Impact of China-United States Trade War on the Relationship Among the Exchange Rates: The Case of China, Korea, and Japan
This paper aims to analyse the impact of China-United States trade war on the relationship of exchange rate growth of Chinese (CNY), Japanese (JPY), and South Korean (KRW) currency. The results of this study s...
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Article
Modeling of attractive force of magnetic wheel under different wall structure and attitude used for climbing robot
Accurate dynamic modeling is the basis for achieving high-precision motion control of a wheeled wall-climbing robot. In a dynamic model, the magnetic attractive force is one of the important influencing forces...
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Article
A novel approach for the optimal arrangement of tube bundles in a 1000-MW condenser
针对大型凝汽器, 提出一种新的方法来解决传统多孔介质模型的缺点, 优化冷凝器管束布局。
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Article
On-the-fly laser processing method with high efficiency for continuous large-scale trajectories
Laser processing with galvanometric scanners and servo platforms has been prosperous in the industry recently, and researches in this field have been evolved from step-and-scan methods to on-the-fly methods. H...
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Article
A novel wheel path generation approach for grinding taper end-mills subjected to variable cross-section
Taper end-mills are extensively employed in CNC machining and the flute is integral to the cutting efficacy of the end-mill. Nonetheless, forming the grinding wheel path for a taper end-mill is exceptionally c...
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Article
Open AccessThermal-Mechanical Effect and Removal Mechanism of Ti-6Al-4V During Laser-Assisted Grinding
The low density and high corrosion resistance of titanium alloy make it a material with various applications in the aerospace industry. However, because of its high specific strength and poor thermal conductiv...
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Article
Electrode manufacturing based on printing: a mini review
With the advent of printed electronics, electrode manufacturing has made significant progress. In contrast to the traditional lift-off method, printing methods offer several advantages. They are not limited by...
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Article
Guaranteeing finite-time H∞ performance for asynchronous discrete-time delayed switched systems with persistent dwell time structure
The simultaneous consideration of the disturbance attenuation problem and the asynchronous switching problem in the discrete-time linear switched systems with state delay and persistent dwell time structure is...
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Article
A data-driven approach for modeling and predicting the thrust force of a tunnel boring machine
Thrust prediction of a tunnel boring machine (TBM) is crucial for the life span of disc cutters, cost forecasting, and its design optimization. Many factors affect the thrust of a TBM. The rock pressure on the...
