1
Paul Joseph Stewart, Yifan Chen, Pietro Buttolo: Method and system for manipulating a three-dimensional object utilizing a force feedback interface. Ford Global Technologies, Paul K Godwin, Roger L May, October 26, 1999: US05973678 (76 worldwide citation)

A method and system for manipulating a three-dimensional object in a computer-aided design (CAD) environment utilizes a force feedback interface. A gravitational sphere is defined around each of the plurality of input parameters of a mathematical model defining a shape, location and orientation of t ...


2
Paul Joseph Stewart, Yifan Chen: Method for lens distortion correction of photographic images for texture mapping. Ford Global Technologies, David B Kelley, March 2, 1999: US05878174 (51 worldwide citation)

A method for correcting lens distortion in a photographic image used in texture mapping a CAD image uses a one-dimensional distortion correction curve. The photographic image is represented by an original texture image plane having a plurality of original points produced by a photographic device hav ...


3
Dimitar Petrov Filev, Oleg Yurievitch Gusikhin, Fazal Urrahman Syed, Erica Klampfl, Thomas J Giuli, Yifan Chen: Emotive engine and method for generating a simulated emotion for an information system. Ford Global Technologies, Jennifer M Stec, Brooks Kushman P C, August 19, 2014: US08812171 (34 worldwide citation)

Information about a device may be emotively conveyed to a user of the device. Input indicative of an operating state of the device may be received. The input may be transformed into data representing a simulated emotional state. Data representing an avatar that expresses the simulated emotional stat ...


4
Paul Joseph Stewart, Pietro Buttolo, Yifan Chen: System and method for design of experiments using direct surface manipulation of a mesh model. Ford Global Technologies, David B Kelley, Damel H Bliss, July 18, 2006: US07079996 (34 worldwide citation)

A system and method for design of experiments (DOE) using direct surface manipulation of a mesh model. The method includes the steps of selecting a geometric model in a computer-aided design (CAD) format, converting the geometric model into a mesh model and evaluating the mesh model using a computer ...


5
Paul Joseph Stewart, Yifan Chen: System and method for forming geometric features using global reparametrization. Ford Global Technologies, Joseph W Malleck, Roger L May, May 11, 1999: US05903458 (24 worldwide citation)

An improved Direct Surface Manipulation (DSM) method is disclosed which incorporates a global surface reparametrization scheme for the purposes of extending the DSM method to applications involving multiple surfaces and for reducing the geometric effect of parametric space distortions on the feature ...


6
Paul Joseph Stewart, Anne Marsan, Yifan Chen: System and method of direct mesh manipulation. Ford Motor Company, Gary Smith, January 29, 2008: US07324103 (19 worldwide citation)

A system and method for computer-aided engineering analysis using direct mesh manipulation of a mesh model is provided. The system includes a computer system having a memory, a processor, a user input device and a display device. The method includes the steps of selecting a geometric model in a comp ...


7
Paul Joseph Stewart, Yifan Chen: System and method for direct modeling of fillets and draft angles. Ford Global Technologies, David B Kelley, Roger L May, March 24, 1998: US05731816 (16 worldwide citation)

A system and method for direct modeling of fillets and draft angles include forming a fillet region having a first transition from a surface feature to the fillet region and a second transition from a base surface to the fillet region while maintaining a predetermined continuity at the first and sec ...


8
James Stewart Rankin, Basavaraj Tonshal, Pietro Buttolo, Yifan Chen, Gary Steven Strumolo, Jeffrey Allen Greenberg, Dimitar Petrov Filev, Krishnaswamy Venkatesh Prasad: System and method for a human machine interface. Ford Global Technologies, Jennifer M Stec, Brooks Kushman P C, October 21, 2014: US08866604 (15 worldwide citation)

A vehicle computer system comprising a wireless transceiver configured to send a nomadic device human machine interface to a nomadic device in a web browser format. The vehicle computer system further comprises a vehicle server utilizing a contextual data aggregator that utilizes vehicle data and of ...


9
Yifan Chen, Paul J Stewart, Pietro Buttolo, Anne Marsan: System and method of interactively generating a family of mesh models. Ford Motor Company, Gifford Krass Sprinkle Anderson & Citkowski P C, Gary Smith, September 25, 2007: US07275023 (15 worldwide citation)

A system and method for interactively generating a family of mesh models is provided for use in engineering analysis. The system includes a user computer system having a memory, a processor, a user input device and a display device. The system also includes a remotely located computer system having ...


10
Paul Joseph Stewart, Yifan Chen: Texture mapping of photographic images to CAD surfaces. Ford Global Technologies, David B Kelley, April 27, 1999: US05898438 (15 worldwide citation)

A method for mapping a two-dimensional image of a physical object onto a computer generated three-dimensional surface defined by a plurality of surface points in a CAD space has the steps of creating a two-dimensional texture image plane of the physical object by taking a photograph of the physical ...