Patents by Inventor Jianming Zheng

Jianming Zheng has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20100079769
    Abstract: A method for extracting parameters of a cutting tool is provided. The method comprises positioning the cutting tool on a moveable stage, performing one or more rotary scans of a first section of the cutting tool to generate a scanning point cloud, indexing a plurality of points of the scanning point cloud, detecting one or more feature points based on the indexed scanning point cloud, and extracting one or more parameters based on the detected feature points. A system for extracting the parameters is also presented.
    Type: Application
    Filed: April 6, 2009
    Publication date: April 1, 2010
    Applicant: GENERAL ELECTRIC COMPANY
    Inventors: Tian Chen, Kevin George Harding, Steven Robert Hayashi, Xiaoming Du, Jianming Zheng, Howard Paul Weaver, James Allen Baird, Xinjue Zou, Kevin William Meyer
  • Patent number: 7577491
    Abstract: A method for extracting parameters of a cutting tool is provided. The method includes obtaining a measurement data set having a point cloud corresponding to a surface of the cutting tool and virtually slicing the point cloud at a pre-determined section to obtain a set of points on the pre-determined section. The method also includes generating a plurality of curves through the set of points and optimizing the plurality of curves to generate optimized fitting curves and extracting the parameters of the cutting tool from the optimized fitting curves. Furthermore, based on the presented rotary angle projection technique, a plurality of parameters can be extracted for the cutting tool.
    Type: Grant
    Filed: November 30, 2005
    Date of Patent: August 18, 2009
    Assignee: General Electric Company
    Inventors: Tian Chen, Kevin George Harding, Zhongguo Li, Jianming Zheng, Steven Robert Hayashi, Xiaoming Du
  • Publication number: 20090082899
    Abstract: A method of calibrating an inspection system is provided. The method includes contacting a test part with a run-out measurement device and rotating the test part and measuring a first run-out using the run-out measurement device. The method also includes moving the run-out measurement device to a new position and repeating the steps of contacting and rotating the test part to measure a second run-out at the new position. The method further includes using the first and second run-outs to adjust measurements of the inspection system.
    Type: Application
    Filed: September 20, 2007
    Publication date: March 26, 2009
    Applicant: General Electric Company
    Inventors: Xiaoming Du, Kevin George Harding, Steven Robert Hayashi, Jianming Zheng, Tian Chen, Howard Paul Weaver, Yong Yang, Guofei Hu, James Allen Baird, JR.
  • Publication number: 20090067704
    Abstract: A method for measurement of a cutting tool is provided. The method comprises positioning the cutting tool on a moveable stage, performing a first rotary scan of a first section of the cutting tool to generate a first scanning point cloud, segmenting the first scanning point cloud, performing a second rotary scan of the first section based on the segmentation of the first scanning point cloud, and extracting the parameters of the first section based on the second rotary scan of the first section. A system for extracting parameters of a cutting tool is also presented.
    Type: Application
    Filed: September 29, 2008
    Publication date: March 12, 2009
    Applicant: GENERAL ELECTRIC COMPANY
    Inventors: Xiaoming Du, Kevin George Harding, Steven Robert Hayashi, Tian Chen, Jianming Zheng, Howard Paul Weaver, James Allen Baird, Xinjue Zou
  • Patent number: 7499830
    Abstract: A computer-implemented method, system, and computer program code are provided for characterizing an edge break, e.g., part features and/or geometric discontinuities that could give rise to edge sharpness, as may be encountered in a chamfer, bevel, fillet and other part features. The methodology enables to accurately and consistently determine in a manufacturing setting, for example, any applicable geometric parameter for characterizing the edge break.
    Type: Grant
    Filed: November 15, 2005
    Date of Patent: March 3, 2009
    Assignee: General Electric Company
    Inventors: Kevin George Harding, Jianming Zheng, Yongqing Li, Ming Jia, Guiju Song, Joseph Benjamin Ross, Ralph Gerald Isaacs
  • Publication number: 20080281543
    Abstract: A method for inspecting a feature of a part is provided. The method includes obtaining a profile corresponding to the feature using a sensor and projecting the profile onto a compensation plane normal to the feature for generating an updated profile. The method also includes using the updated profile for reducing a measurement error caused by an orientation of the sensor. An inspection system is also provided. The inspection system includes a sensor configured to capture a fringe image of a feature on a part. The inspection system further includes a processor configured to process the fringe image to obtain an initial profile of the feature and to project the initial profile onto a compensation plane normal to the feature.
    Type: Application
    Filed: May 7, 2007
    Publication date: November 13, 2008
    Applicant: GENERAL ELECTRIC COMPANY
    Inventors: Ming Jia, Guiju Song, Jianming Zheng, Yu Ning, Kevin George Harding, Gil Abramovich, Joseph Benjamin Ross, Ralph Gerald Isaacs
  • Patent number: 7428055
    Abstract: A interferometer-based fouling detection system and method are described. The system may include a fiber optic cable, a light source in communication with the fiber optic cable, at least one photo detector in communication with the fiber optic cable, and at least one interferometric spectrometer. The fiber optic cable may include a long period grating and a fiber Bragg grating or it may include a facet edge. The system may instead include a fiber optic cable, a light source in communication with the fiber optic cable, at least one photo detector in communication with the fiber optic cable, a fiber coupler, a reference probe including a mirror, a sample probe, and an interferometer.
    Type: Grant
    Filed: October 5, 2006
    Date of Patent: September 23, 2008
    Assignee: General Electric Company
    Inventors: Anis Zribi, Min-Yi Shih, Guiju Song, Ajit Achuthan, Glenn Scott Claydon, Stacey Joy Kennerly, Kuna Venkat Satya Rama Kishore, Jianming Zheng, Kevin George Harding, Hua Xia
  • Publication number: 20080148590
    Abstract: A method of measuring an object includes positioning the object on a moveable stage, performing a rotary scan of the object with a range sensor, and determining geometric parameters of the object based on the rotary scan.
    Type: Application
    Filed: December 20, 2006
    Publication date: June 26, 2008
    Inventors: Steven Robert Hayashi, Zhongguo Li, Kevin George Harding, Jianming Zheng, Howard Paul Weaver, Xiaoming Du, Tian Chen
  • Publication number: 20080084565
    Abstract: A interferometer-based fouling detection system and method are described. The system may include a fiber optic cable, a light source in communication with the fiber optic cable, at least one photo detector in communication with the fiber optic cable, and at least one interferometric spectrometer. The fiber optic cable may include a long period grating and a fiber Bragg grating or it may include a facet edge. The system may instead include a fiber optic cable, a light source in communication with the fiber optic cable, at least one photo detector in communication with the fiber optic cable, a fiber coupler, a reference probe including a mirror, a sample probe, and an interferometer.
    Type: Application
    Filed: October 5, 2006
    Publication date: April 10, 2008
    Applicant: GENERAL ELECTRIC COMPANY
    Inventors: Anis Zribi, Min-Yi Shih, Guiju Song, Ajit Achuthan, Glenn Scott Claydon, Stacey Joy Kennerly, Kuna Venkat Satya Rama Kishore, Jianming Zheng, Kevin George Harding, Hua Xia
  • Publication number: 20070124015
    Abstract: A method for extracting parameters of a cutting tool is provided. The method includes obtaining a measurement data set having a point cloud corresponding to a surface of the cutting tool and virtually slicing the point cloud at a pre-determined section to obtain a set of points on the pre-determined section. The method also includes generating a plurality of curves through the set of points and optimizing the plurality of curves to generate optimized fitting curves and extracting the parameters of the cutting tool from the optimized fitting curves. Furthermore, based on the presented rotary angle projection technique, a plurality of parameters can be extracted for the cutting tool.
    Type: Application
    Filed: November 30, 2005
    Publication date: May 31, 2007
    Inventors: Tian Chen, Kevin Harding, Zhongguo Li, Jianming Zheng, Steven Hayashi, Xiaoming Du
  • Publication number: 20070112543
    Abstract: A computer-implemented method, system, and computer program code are provided for characterizing an edge break, e.g., part features and/or geometric discontinuities that could give rise to edge sharpness, as may be encountered in a chamfer, bevel, fillet and other part features. The methodology enables to accurately and consistently determine in a manufacturing setting, for example, any applicable geometric parameter for characterizing the edge break.
    Type: Application
    Filed: November 15, 2005
    Publication date: May 17, 2007
    Inventors: Kevin Harding, Jianming Zheng, Yongqing Li, Ming Jia, Guiju Song, Joseph Ross, Ralph Isaacs