Finite-element modeling and control of flexible fabric parts

Eischen, Jeffrey W.; Deng, Shigan; Clapp, Timothy G.

doi:10.1109/38.536277

Cited by 132 publications

(99 citation statements)

References 27 publications

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“…where K is the bending rigidity of the fabric in Kawabata's Evaluation System (KES) [27,28], a standard method of measuring the physical parameters of fabrics that has been used to identify fabrics in computer graphics [29,30]. The units of K are gf·cm 2 /cm, thus satisfying the equation: K = Kw.…”

Section: Making a Pinching Area Using Residual Deformationmentioning

confidence: 99%

A Pinching Strategy for Fabrics Using Wiping Deformation

Shibata

Hirai

2016

Robotics

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This paper discusses a strategy by which a robotic hand can use the physical properties of a fabric to pinch the fabric. Pinching may be accomplished by using a wiping motion, during which the movement and deformation of a deformable object occur simultaneously. The wiping motion differs from the displacement of a deformable object. During the wiping motion, there is contact, but no relative movement, between the manipulator and the object, whereas, during displacement, there is both contact and relative movement between the object and the floor. This paper first describes wiping motion and distinguishes wiping slide from wiping deformation by displacement of the internal points of an object. Wiping motion is also shown to be an extended scheme of pushing and sliding of rigid objects. Our strategy for pinching a fabric is accomplished with a combination of wiping deformation and residual deformation of the fabric under unloaded conditions. Using this strategy, a single-armed robotic hand can pinch both surfaces of the fabric without handover motion.

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Section: Making a Pinching Area Using Residual Deformationmentioning

confidence: 99%

A Pinching Strategy for Fabrics Using Wiping Deformation

Shibata

Hirai

2016

Robotics

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“…Cloth simulation is one of the main subjects in computer animation that recently gained attention in the literature [11][12][13][14][15][16][17]. Early cloth simulations focused on generating the geometrical features of clothes [18].With the fast advance in technology of graphic cards and computers' processing power, an accurate generation of movement of clothes has been achieved, using particle systems [15,16] or finite elements [19]. The modeling of virtual cloths requires special tailoring skills.…”

Section: Related Workmentioning

confidence: 99%

An Efficient Approach for Automatic Cloth Panel Extraction from Pattern Images

Hussain¹,

Ali²,

Malek³

2014

IJCA

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Producing 3D cloths for different body sizes from 2D patterns of any size has recently gained attention in both academic and industry fields. Most of the classical patterns in old books and magazines are available only in hardcopy forms. Thus, there is a need to produce softcopies of those patterns in the old books and magazines. In this research work, efficient solutions for these two issues are provided. First, a specific pattern size given any size pattern is automatically generated. This greatly facilitates the generation process of different size patterns in the apparel industry. Second, the design of customized apparel products provided in hardcopy images is fully automated. This automation process can greatly improve the efficiency of cloth production in the apparel industry.

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“…There are some previous work that simulates the shape of a cloth based on the KES data, in order to give the model more realistic physical grounding [2][3][4]9]. However, they are insufficient to simulate force together with shape because these methods employ the unilateral relation between force and shape supplied by the KES data to simulate only the shape of a cloth.…”

Section: Introductionmentioning

confidence: 99%

“…Those previous work [1][2][3][4][7][8][9][10] focuses on simulating the shape of a cloth. However, in order to realize an environment for virtual cloth manipulation with both haptic and visual feedback to the user, we need to simulate force generated from the cloth as well as shape.…”

Section: Introductionmentioning

confidence: 99%

Modeling Virtual Cloth to Display Realistic Shape and Force Based on Physical Data

Mujahid¹,

Kakusho²,

Minoh³

et al. 2003

Transactions of the Institute of Systems, Control and Informati

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In this paper, we have proposed the modeling of cloth that realizes force together with shape to manipulate the virtual cloth. Researchers, in the community of computer graphics, have simulated only the realistic shape of cloth. However, it is also important to display the force generated from cloth for the environment where user manipulates the cloth with visual and haptic feedback. Inclusion of force with shape requires to simulate shape and force, based on the relation between them. The real relationship between shape and force can be measured by special device called "Kawabata Evaluation System(KES)". However, a cloth has hysteretic property, and relation between shape and force depends on the history of manipulation. KES data only describes incomplete unilateral relations between force and shape under specific histories of manipulation. Although there exists some previous work that simulates the shape of the cloth based on KES data, it is insufficient to simulate both shape and force considering their hysteretic relation. This paper discusses how to model a virtual cloth to simulate shape and force with realities by interpolating empirical data obtained from KES, considering their limitation due to the hysteresis. IntroductionIn the field of computer graphics, it has widely been studied how to simulate realistic shape of clothes. Clothes have many degrees of freedom, and change their shape very flexibly. Most of the previous work employs mass-spring model, which is formed by triangular or rectangular meshes of particles with mass connected by springs, and simulate rectangular-shaped clothes including flag and tablecloth [3,7] or complex garments and dresses [9,10]. More comprehensive survey of cloth modeling and its application is given in [5].Those previous work[1-4,7-10] focuses on simulating the shape of a cloth. However, in order to realize an environment for virtual cloth manipulation with both haptic and visual feedback to the user, we need to simulate force generated from the cloth as well as shape. In this paper, we discuss how to model a cloth that can realize its shape with force.In order to simulate realistic shape and force of a cloth, we have to consider three kinds of realities: (a) reality of shape, (b) reality of force, and (c) reality of the relation between shape and force. Since the previous work [3,7,10] employs mass-spring model, the force applying to each particle in the mesh is of course simulated. However, this force is not the same force generated in the real cloth but an imaginary force to achieve a realistic shape by the mass-spring model. Since real clothes have properties in between a sheet of paper and a rubber membrane, the force acting on the cloth is different from what is given by springs. In that sense, the previous work only achieves reality (a) but does not consider the reality (b) nor (c).The relation between force and shape of a cloth in stretch, bend, shear, and so forth can be obtained by a special device called "Kawabata Evaluation System (KES)" [6]. For example, fo...

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Finite-element modeling and control of flexible fabric parts

Cited by 132 publications

References 27 publications

A Pinching Strategy for Fabrics Using Wiping Deformation

A Pinching Strategy for Fabrics Using Wiping Deformation

An Efficient Approach for Automatic Cloth Panel Extraction from Pattern Images

Modeling Virtual Cloth to Display Realistic Shape and Force Based on Physical Data

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