The Experts below are selected from a list of 130746 Experts worldwide ranked by ideXlab platform
Julie Chen - One of the best experts on this subject based on the ideXlab platform.
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A Friction Model for thermostamping commingled glass–polypropylene woven fabrics
Composites Part A-applied Science and Manufacturing, 2007Co-Authors: Jennifer L. Gorczyca-cole, James A Sherwood, Julie ChenAbstract:Abstract The effects of processing parameters on the Friction coefficient between commingled glass–polypropylene plain-weave fabric composites (Twintex ® ) and the steel tool during thermostamping processes were investigated. The investigation focused on the effects of fabric velocity, normal force and resin viscosity under conditions similar to those in thermostamping processes. The effect of resin viscosity on the resulting Friction coefficient was evaluated through changes in tool temperature and initial fabric temperature. The results from these experiments could be related to trends predicted by Stribeck-curve theory. Based on the effects of those parameters and the Stribeck-curve theory, an empirical Friction Model was developed and incorporated into ABAQUS as a user-defined Friction subroutine. This paper describes the development of that Friction Model for use in finite element Models of the thermostamping process. It also discusses the results of a parametric study conducted using the Friction Model with a finite element Model of the thermostamping process. These results show the importance of properly accounting for changes in Friction at the metal–fabric interface in numerical simulations of the thermostamping process.
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a Friction Model for thermostamping commingled glass polypropylene woven fabrics
Composites Part A-applied Science and Manufacturing, 2007Co-Authors: Jennifer L Gorczycacole, James A Sherwood, Julie ChenAbstract:Abstract The effects of processing parameters on the Friction coefficient between commingled glass–polypropylene plain-weave fabric composites (Twintex ® ) and the steel tool during thermostamping processes were investigated. The investigation focused on the effects of fabric velocity, normal force and resin viscosity under conditions similar to those in thermostamping processes. The effect of resin viscosity on the resulting Friction coefficient was evaluated through changes in tool temperature and initial fabric temperature. The results from these experiments could be related to trends predicted by Stribeck-curve theory. Based on the effects of those parameters and the Stribeck-curve theory, an empirical Friction Model was developed and incorporated into ABAQUS as a user-defined Friction subroutine. This paper describes the development of that Friction Model for use in finite element Models of the thermostamping process. It also discusses the results of a parametric study conducted using the Friction Model with a finite element Model of the thermostamping process. These results show the importance of properly accounting for changes in Friction at the metal–fabric interface in numerical simulations of the thermostamping process.
James A Sherwood - One of the best experts on this subject based on the ideXlab platform.
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A Friction Model for thermostamping commingled glass–polypropylene woven fabrics
Composites Part A-applied Science and Manufacturing, 2007Co-Authors: Jennifer L. Gorczyca-cole, James A Sherwood, Julie ChenAbstract:Abstract The effects of processing parameters on the Friction coefficient between commingled glass–polypropylene plain-weave fabric composites (Twintex ® ) and the steel tool during thermostamping processes were investigated. The investigation focused on the effects of fabric velocity, normal force and resin viscosity under conditions similar to those in thermostamping processes. The effect of resin viscosity on the resulting Friction coefficient was evaluated through changes in tool temperature and initial fabric temperature. The results from these experiments could be related to trends predicted by Stribeck-curve theory. Based on the effects of those parameters and the Stribeck-curve theory, an empirical Friction Model was developed and incorporated into ABAQUS as a user-defined Friction subroutine. This paper describes the development of that Friction Model for use in finite element Models of the thermostamping process. It also discusses the results of a parametric study conducted using the Friction Model with a finite element Model of the thermostamping process. These results show the importance of properly accounting for changes in Friction at the metal–fabric interface in numerical simulations of the thermostamping process.
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a Friction Model for thermostamping commingled glass polypropylene woven fabrics
Composites Part A-applied Science and Manufacturing, 2007Co-Authors: Jennifer L Gorczycacole, James A Sherwood, Julie ChenAbstract:Abstract The effects of processing parameters on the Friction coefficient between commingled glass–polypropylene plain-weave fabric composites (Twintex ® ) and the steel tool during thermostamping processes were investigated. The investigation focused on the effects of fabric velocity, normal force and resin viscosity under conditions similar to those in thermostamping processes. The effect of resin viscosity on the resulting Friction coefficient was evaluated through changes in tool temperature and initial fabric temperature. The results from these experiments could be related to trends predicted by Stribeck-curve theory. Based on the effects of those parameters and the Stribeck-curve theory, an empirical Friction Model was developed and incorporated into ABAQUS as a user-defined Friction subroutine. This paper describes the development of that Friction Model for use in finite element Models of the thermostamping process. It also discusses the results of a parametric study conducted using the Friction Model with a finite element Model of the thermostamping process. These results show the importance of properly accounting for changes in Friction at the metal–fabric interface in numerical simulations of the thermostamping process.
Jennifer L Gorczycacole - One of the best experts on this subject based on the ideXlab platform.
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a Friction Model for thermostamping commingled glass polypropylene woven fabrics
Composites Part A-applied Science and Manufacturing, 2007Co-Authors: Jennifer L Gorczycacole, James A Sherwood, Julie ChenAbstract:Abstract The effects of processing parameters on the Friction coefficient between commingled glass–polypropylene plain-weave fabric composites (Twintex ® ) and the steel tool during thermostamping processes were investigated. The investigation focused on the effects of fabric velocity, normal force and resin viscosity under conditions similar to those in thermostamping processes. The effect of resin viscosity on the resulting Friction coefficient was evaluated through changes in tool temperature and initial fabric temperature. The results from these experiments could be related to trends predicted by Stribeck-curve theory. Based on the effects of those parameters and the Stribeck-curve theory, an empirical Friction Model was developed and incorporated into ABAQUS as a user-defined Friction subroutine. This paper describes the development of that Friction Model for use in finite element Models of the thermostamping process. It also discusses the results of a parametric study conducted using the Friction Model with a finite element Model of the thermostamping process. These results show the importance of properly accounting for changes in Friction at the metal–fabric interface in numerical simulations of the thermostamping process.
Jennifer L. Gorczyca-cole - One of the best experts on this subject based on the ideXlab platform.
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A Friction Model for thermostamping commingled glass–polypropylene woven fabrics
Composites Part A-applied Science and Manufacturing, 2007Co-Authors: Jennifer L. Gorczyca-cole, James A Sherwood, Julie ChenAbstract:Abstract The effects of processing parameters on the Friction coefficient between commingled glass–polypropylene plain-weave fabric composites (Twintex ® ) and the steel tool during thermostamping processes were investigated. The investigation focused on the effects of fabric velocity, normal force and resin viscosity under conditions similar to those in thermostamping processes. The effect of resin viscosity on the resulting Friction coefficient was evaluated through changes in tool temperature and initial fabric temperature. The results from these experiments could be related to trends predicted by Stribeck-curve theory. Based on the effects of those parameters and the Stribeck-curve theory, an empirical Friction Model was developed and incorporated into ABAQUS as a user-defined Friction subroutine. This paper describes the development of that Friction Model for use in finite element Models of the thermostamping process. It also discusses the results of a parametric study conducted using the Friction Model with a finite element Model of the thermostamping process. These results show the importance of properly accounting for changes in Friction at the metal–fabric interface in numerical simulations of the thermostamping process.
Sunan Huang - One of the best experts on this subject based on the ideXlab platform.
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adaptive Friction compensation with a dynamical Friction Model
IEEE-ASME Transactions on Mechatronics, 2011Co-Authors: Sunan HuangAbstract:This paper presents a new compensation technique for dynamic Friction. The proposed control utilizes a PD control structure and an adaptive estimation of the Friction force based on an observer. Specifically, a nonlinear function is used to compensate the nonlinear effects of the parameters in the Friction Model. Simulations and experimental results verify the theory and show that the method can significantly improve the tracking performance of the motion control system.
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Adaptive Friction compensation with a time-delay Friction Model
Proceedings of the Institution of Mechanical Engineers Part I: Journal of Systems and Control Engineering, 2004Co-Authors: Kok Kiong Tan, Sunan Huang, T.h. LeeAbstract:AbstractThis paper presents a new compensation technique for a time-delay Friction Model that captures the effect of Frictional memory. The proposed control utilizes a proportional-derivative (PD) control structure and an adaptive estimate of the Friction force. Specifically, a radial basis function (RBF) is used to compensate the effects of the non-linearly occurring parameters in the Friction Model. Simulation results verify the theory and show that the method can significantly improve the tracking performance of a control system in which it is used.
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Adaptive Friction compensation with time-delay Friction Model
Proceedings of the 4th World Congress on Intelligent Control and Automation (Cat. No.02EX527), 1Co-Authors: Kok Kiong Tan, Sunan Huang, T.h. LeeAbstract:We present a new compensation technique for a time delay Friction Model, which captures the effect of Frictional memory. The proposed control utilizes a PD control structure and an adaptive estimate of the Friction force. Specifically, a radial basis function is used to compensate the effects of the nonlinearly-occurring parameters in the Friction Model. Simulation results verify the theory and show that the method can significantly improve the tracking performance of a control system in which it is used.
