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Suggested Topics within your search.
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2041
Design of Key Joint Reducer for Heavy-duty Teleoperation Manipulator
Published 2019-01-01“…The number of tooth combinations satisfying the conditions are selected through programming and the calculation of the load on dangerous gear and transmission efficiency is verified. …”
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2042
MATHEMATICAL MODELING OF WORKING PROCESS IN HYDRAULIC DRIVE OF SPECIFICALLY HEAVY-DUTY TRUCK STEERING
Published 2006-12-01“…It is noted that on the basis of the given methodology a multi-variant dynamic calculation has been carried out, drive dynamics has been analyzed at various design and component parameters of a metering pump and a flow amplifier, rational values of these parameters has been selected for design development. …”
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2043
Software development for retrofitting columns with FRP composites: A case study
Published 2024-03-01“…The structural model was analysed, incorporating data derived from on-site inspections, surveys, and samples from the building’s concrete core and reinforcement elements by employing non-linear calculation methods. Remedial measures were undertaken after recognising deficiencies in the structure’s performance, including strengthening columns and selecting slabs by applying Fibre-Reinforced Polymer (FRP) composites. …”
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2044
曲柄群驱动机构中的间隙问题研究
Published 2013-01-01“…The clearance between kinematic pairs in the crank-group driving mechanism is studied.Crank-group driving mechanism is a new type of transmission mechanism,and there must be clearance between kinematic pairs to guarantee the machining precision of the mechanism,to make the mechanism to operate normally and prevent the generation of assembly stress.But the existence of clearance may have much adverse effects on the mechanism,then it is a necessary to find out some ways to decline its bad effects.In the practical application,can choose appropriate support combination type of shafts according to requirements,make reasonable design and configuration on the rotational pair,improve the friction and lubrication condition,and select reasonable kinematic pair clearance through calculation,and by the comprehensive use of various above methods to reduce the influence of kinematic pair clearance.…”
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2045
Research on Damping Characteristics of Interconnected Hydropneumatic Suspension considering the Effects of Hose and Check Valve
Published 2021-01-01“…In this study, the calculation formula of the damping force of ICHPS is established, and the numerical simulation results show that the damping characteristics of the hydraulic hose cannot be ignored. …”
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2046
Estimating Firewater Runoff in Process Plants: an Analysis of Available Models for Retention Pond Sizing
Published 2025-06-01“…Three models, based on object surface or the largest fire compartment area and selected from the European Safety guideline (UNECE, 2019), have been investigated. …”
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2047
Design Analysis of the Primary Suspension System for Direct-drive Bogie
Published 2012-01-01“…With the simulation calculation, the structure and main parameters were selected for the primary suspension system of directdrive bogie. …”
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2048
A Guide to Integrating Expert Opinion and Fuzzy AHP When Generating Weights for Composite Indices
Published 2022-01-01“…A troublesome issue with constructing composite indices is the selection of the weighting system as it can greatly influence the results of the index developed. …”
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2049
The Improving Effect of Intelligent Speech Recognition System on English Learning
Published 2022-01-01“…Moreover, this study analyzes in detail the basic principles and implementation process of the psychoacoustic model coding strategy based on the characteristics of the human ear and completes the channel selection by calculating the masking threshold. In addition, this study verifies the effectiveness of the algorithm in this study through simulation experiments. …”
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2050
Optimization of Risk and Return Using Fuzzy Multiobjective Linear Programming
Published 2018-01-01“…Stock selection poses a challenge for both the investor and the finance researcher. …”
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2051
Distributed K-Means algorithm based on a Spark optimization sample.
Published 2024-01-01“…By incorporating weights and jump pointers, this approach improves the quality of initial centers and reduces sensitivity to their selection. Secondly, we utilize a weighted max-min distance with variance to calculate distances, considering both weight and variance information. …”
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2052
Information-Based Construction of High-Speed Railway Tunnel
Published 2017-01-01“…According to the Xian-nvyan tunnel in Xicheng high-speed railway, our research was based on the geological forecast, selecting appropriate tunneling model parameters to establish the 3D calculation model. …”
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2053
Feature Extraction of Weak Fault of Rolling Bearing based on TVF-EMD and TEO
Published 2021-03-01“…Then, the kurtosis calculation is performed on the decomposition result, and the sensitive component is selected with the highest kurtosis value according to the maximum kurtosis criterion. …”
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2054
DEMATEL Method for Contradiction Network Analyzing
Published 2017-01-01“…In the process of innovation design,the contradiction network are often constructed as more than one contradiction which interact each other emerge from analyzing step of initial problem situation.It is the key problem for innovation design that how to select important contradiction,root cause contradiction and core contradiction correctly from contradiction network.As the result of analyzing on contradiction interaction pattern and strategy of contradiction network decomposing,oriented graph is used to expressed the interaction between contradictions in the network of contradiction,and the equation to get the cause degree of contradiction to others is built,then the selecting method of important contradiction,root cause contradictions and core contradictions based on DEMATEL is proposed,which involves the calculation of the important weight,causes degree and centers degree of a contradiction.Finally,a case study of reversing winch is used to verify that the proposal method is correct.…”
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2055
EFFECTS OF ADDING BRACKET JOINT ON THE RIGIDITY AND STRENGTH OF BUS T-JOINT STRUCTURE
Published 2015-01-01“…This paper discussed the effects of triangle bracket size and four forms of triangle brackets( double brackets added at vertical rod single side,double brackets added at vertical rod both sides,single bracket added at vertical rod both sides,single bracket added at vertical rod crossing symmetric sides) on the rigidity and strength of bus T-joint structure. The calculation by finite element method and experimental analysis showed that: 1Only double brackets added at vertical rod both sides in the four forms of triangle bracket can evidently increase both the rigidity and strength of bus T-joint,2Under the bending loads two forms can be selected compatibly for T-joint structure,3Under the torsion loads double brackets added at vertical rod both sides should be selected for T-joint structure. …”
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2056
Analysis of algorithms performing basic arithmetic operations in the quadratic RNS
Published 2022-09-01“…The idea of building such a system is to provide a complex number z as a pair of integers (X' Y for the selected modules. The rules of arithmetic operations on complex numbers presented residue pairs at selected bases, do not differ from the rules of arithmetic operations in the RNS for real integers. …”
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2057
A Multi-granularity Heterogeneous Ensemble Model for Point and Interval Forecasting of Carbon Prices
Published 2025-06-01“…Second, the distinct features identified through feature selection methods are input into six point forecasting models. …”
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2058
Parameter-Matching Multi-Objective Optimization for Diesel Engine Torsional Dampers
Published 2025-05-01“…A torsional vibration model was developed using Cholesky decomposition and the Jacobi sweep method for free vibration analysis, followed by dynamic response calculations through model decoupling and modal superposition. …”
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2059
VARIANT FOR CONSTRUCTION, REPAIR OR RECONSTRUCTION OF BUILDING
Published 2016-12-01“…High operating rates of refinancing have led to the necessity for record keeping of initial expenses and repairability levels because selection of building construction, repair or reconstruction variant depends on these parameters. …”
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2060
Research on Hybrid Collaborative Filtering Recommendation Algorithm Based on the Time Effect and Sentiment Analysis
Published 2021-01-01“…In addition, to further improve the quality of the nearest neighbor selection and alleviate the problem of data sparsity, a method of calculating users’ sentiment tendency by analysis of user review features is proposed to mine users’ attitudes about the reviewed items, which expands the score matrix. …”
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