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RISGeneric Modeling and Control of an Open Circuit Piston Pump—Part I: Theoretical Model and Analysis
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Since variabledisplacement opencircuits piston pumps are equipped with diverse compensators or controllers, many different modeling approaches and representations have been developed in the previous research. In the industry, ...
Generic Modeling and Control of an Open Circuit Piston Pump—Part II: Control Strategies and Designs
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Hydromechanical compensators are often integrated with pistontype pumps to produce various control behavior, for example, pressure, loadsensing, power, or torque control. Various hydromechanical mechanisms (e.g., spring ...
Novel Piston Pressure Carryover for Dynamic Analysis and Designs of the Axial Piston Pump
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The timing definition of valve plates is one of the most complex topics in the piston pump designs because it affects many pump characteristics (such as efficiency, swashplate stroking, stabilities, noise, etc.). In the ...
Theoretical and Experimental Solutions of Cooling‐Tower‐Soil system
Publisher: American Society of Civil Engineers
Abstract: In recent years, there have been many papers on dynamic properties of cooling towers. However, the bottoms of the tower shells were assumed as a fixed boundary, or discrete column systems of towers were considered as elastic ...
Distribution Route Planning for Cold Chain Items under Variable Demand
Publisher: American Society of Civil Engineers
Abstract: This paper discussed the planning and selection of an optimization model for distribution routing of cold chain items with variable customer demand. We established a distribution model of cold chain items to minimize the ...
Impetus of Multi-temperature Joint Distribution Based on Storage-type Cold-chain Logistics
Publisher: American Society of Civil Engineers
Abstract: The multi-temperature joint distribution (MTJD) system based on storage-type cold-chain logistics is a contemporary distribution mode. To analyze the economics and social benefits of MTJD and overcome the disadvantages of ...
Integrated Producer-Distributor-Retailer Inventory Model for Cold Chain Items
Publisher: American Society of Civil Engineers
Abstract: An integrated cold chain inventory model of a manufacturer, a distributor, and multiple retailers in a finite horizon is established. The three-echelon model assumes that the demand rate is a time-varying function and that ...
Construction Control Techniques of Long-Span Steel Truss Arch Bridges
Publisher: American Society of Civil Engineers
Abstract: With Wanzhou Yangtze River Bridge as an engineering example, FEM is applied to simulate the whole bridge construction process to optimize the truss member assembling sequences and determine the critical member bars that ...
Online Spark Timing Optimization With Complex High-Fidelity Combustion Phasing, Knock, and Coefficient of Variation of IMEP Models
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The combustion phasing of spark ignition (SI) engines is traditionally regulated with map-based spark timing (SPKT) control. The calibration of these maps is time-consuming for SI engines with a high number of control ...
Analysis of the Rollover Crash Worthiness of the Bus Body Structure Based on ECE R66 Regulation
Publisher: American Society of Civil Engineers
Abstract: Given that dynamic test data are difficult to obtain and relevant test results are always unstable, this study examines the rollover crash worthiness of a 6756-type bus. The finite element model and numerical simulation ...