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RISDecentralized PID Controllers Based on Probabilistic Robustness
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A tuning method for decentralized PID controllers was developed based on probabilistic robustness for multi-input-multi-output plants, whose parameters vary in a determinate area. The advantage of ...
Relationship between Porosity and the Constitutive Model Parameters of Rockfill Materials
Publisher: American Society of Civil Engineers
Abstract: In this study, triaxial tests are performed on rockfill material (weakly weathered fresh tuff) with different porosities in order to obtain the stress–strain curves of the test specimens. The confining pressure and porosity ...
Potential Applications of Phase Change Materials to Extend the Winter Construction Time of Earth-Rock Dam in Cold Regions
Publisher: ASCE
Abstract: During earth-rock dam construction, temperature control to reduce the freeze–thaw impact on core-wall clay in cold regions is difficult. To address this challenge, this research developed a phase change material (PCM) ...
Mechanism of the Freeze–Thaw Deterioration of Clay Incorporating Phase Change Material
Publisher: American Society of Civil Engineers
Abstract: During winter construction of earthworks such as earth dams and embankments, the structural properties of the soil may deteriorate due to freeze–thaw cycles. A new measure to combat freeze–thaw damage, incorporating phase ...
Interlayer Aggregates Embeddedness Index and Its Characterization for Interlayer Bonding Quality of Roller-Compacted Concrete
Publisher: ASCE
Abstract: Interlayer bonding is one of the critical principles of roller-compacted concrete (RCC) construction. The fundamental premise of ensuring interlayer bonding quality is embedding interlayer aggregates (IAs) into the lower ...
Multiple-Time-Scale Variations of the Record-Breaking Pre-Summer Rainfall over South China in 2022
Publisher: American Meteorological Society
Regenerative Braking Control Strategy of an Electro-Hydraulic Hybrid Brake System
Publisher: American Society of Civil Engineers
Abstract: The structure and working principle of an electro-hydraulic hybrid brake system for electric vehicles were introduced simply. The regenerative braking control strategy of the conventional friction brake system and the ...
Coupled GSI-SVAT Model with Groundwater-Surface Water Interaction in the Riparian Zone of Tarim River
Publisher: American Society of Civil Engineers
Abstract: The Tarim River is located in the arid areas of northwestern China, where groundwater (GW) and surface water (SW) in different landscape units have undergone regular and duplicate transformation processes, greatly improving ...
A Combined Approach to Improving the Regional Model Forecasts for the Rainy Season in China
Publisher: American Meteorological Society
Abstract: AbstractA combined forecasting methodology, into which the spectral nudging, lateral boundary filtering, and update initial conditions methods are incorporated, was employed in the regional Weather Research and Forecasting ...
Tuned Nonlinear Energy Sink With Conical Spring: Design Theory and Sensitivity Analysis
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper is devoted to the study of a nonlinear energy sink (NES) intended to attenuate vibration induced in a harmonically forced linear oscillator (LO) and working under the principle of targeted energy transfer (TET). ...