搜索结果: 1-15 共查到“工程与技术科学基础学科 Surface”相关记录15条 . 查询时间(0.171 秒)
Activity Intent Recognition of the Torso Based on Surface Electromyography and Inertial Measurement Units
Activity Intent Recognition Surface Electromyography Inertial Measurement Units
2014/10/23
This thesis presents an activity mode intent recognition approach for safe, robust and reliable control of powered backbone exoskeleton. The thesis presents the background and a concept for a powered ...
Investigation of Contact Pressure Distribution on Sheet Metal Stamping Tooling Interfaces: Surface Modeling, Simulations, and Experriments
Contact Pressure Distribution Sheet Metal Stamping Tooling Interfaces Surface Modeling Simulations Experiments
2014/10/23
In stamping operations, sheet metal is formed into a desired shape by pressing it in a hydraulic or mechanical press between suitably shaped dies. As a predominant manufacturing process, sheet metal f...
利用扫描电子显微镜、傅里叶红外光谱仪和视频光学接触角测量仪对蜻蜓翅膀表面的微观结构、物质成分以及疏水性进行了研究，分析了蜻蜓翅膀表面微观结构、物质成分与翅膀表面疏水性能间的关系。结果表明，蜻蜓翅膀表面分布大量纳米级乳突结构，致使液滴与翅膀表面形成复合接触，增强了翅膀表面的疏水性；翅膀表面覆盖的蜡质层对蜻蜓翅膀表面的疏水性起增强作用。此外，利用Cassie模型建立了蜻蜓翅膀表面疏水方程，并进行了蜻蜓...
A Biomimetic Approach for the Creation of Two-Dimensional Microscale Surface Patterns: Creation of Isolated Immunological Synapses
Biomimetic Approach Two-Dimensional Microscale Surface Patterns Isolated Immunological Synapses
2009/9/2
Current efforts in surface functionalization have not produced a robust technique capable of creating specific two-dimensional microscale geometrical arrays composed of multiple proteins. Such a capab...
Space Deformation of Parametric Surface Based on Extension Function
parametric surface space or free-form deformation extension function
2009/8/19
In this paper, a new technique of space deformation for parametric surfaces with so-called extension function (EF) is presented. Firstly, a special extension function is introduced. Then an operator m...
Surface Extraction from Point-Sampled Data through Region Growing
point-sampled geometry surface reconstruction surface extraction
2009/8/19
As three-dimensional range scanners make large point clouds a more common initial representa-tion of real world objects, a need arises for algorithms that can efficiently process point sets. In this p...
On 5-Axis Freeform Surface MachiningOn 5-Axis Freeform Surface Machining Optimization: Vector Field Clustering Approach
5-axis CNC machining Tool path optimization Vector field clustering Iso-scallop
2009/8/19
A new approach based on vector field clustering for tool path optimization of 5-axis CNC machining is presented in this paper. The strategy of the approach is to produce an efficient tool path with re...
Blending Surface Modelling Using Sixth Order PDEs
curvature continuity surface blending sixth order partial differential equation
2009/8/19
In order to model blending surfaces with curvature continuity, in this paper we apply sixth order partial differential equations (PDEs), which are solved with a composite power series based method. Th...
Surface Extraction from Multi-material CT Data
Computed Tomography Medial Axis/Surface Contouring
2009/8/19
This paper describes a method for extracting surfaces from multi-material CT (Computed Tomography) data. Most contouring methods such as Marching Cubes algorithm assume that CT data are composed of on...
Dimension Reduction of Solid Models by Mid-Surface Generation
Dimensional reduction Mid-surface Geometry replacement
2009/8/19
Recently, feature-based solid modeling systems have been widely used in product design. However, for engineering analysis of a product model, an abstracted CAD model composed of mid-surfaces is desira...
Optimal Ball-end and Fillet-end Mills Selection for 3-Axis Finish Machining of Point-based Surface
Optimal tool selection point-based surface ball-end mill fillet-end mill gouging
2009/8/19
This paper presents an algorithm of optimal cutting tool selection for machining of the pointbased surface that is defined by a set of surface points rather than parametric polynomial surface equation...
Background Surface Estimation for Reverse Engineering of Reliefs
relief segmentation surface fitting reverse engineering background surface
2009/8/19
Reverse engineering of reliefs aims to turn an existing relief superimposed on an underlying surface into a geometric model which may be applied to a different base surface. Steps in this process incl...
Inverse offset method for adaptive cutter path generation from point-based surface
Inverse offset method point-based surface machined surface error
2009/8/19
The inverse offset method (IOM) is widely used for generating cutter paths from the pointbased surface where the surface is characterised by a set of surface points rather than parametric polynomial s...
Construction of Branching Surface from 2-D Contours
Surface reconstruction Branching surfaces skinning surface approximation
2009/8/19
In the present work, an attempt has been made to construct branching surface from 2-D contours, which are given at different layers and may have branches. If a layer having more than one contour and c...
An optimization-based computational method for surface fitting to update the geometric information of an existing B-Rep CAD model
Integration CAD/Analysis Finite Element Mesh Nurbs surface
2009/8/19
For several years, researchers have focused on improving the integration of the CAD, CAM and Analysis through a better communication between the various analysis tools. This tendency to integrate the ...