Patents by Inventor Dexi Zhu
Dexi Zhu 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).
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Patent number: 11433931Abstract: A system and method for monitoring a track and/or rail employs one or more distance measuring imagers mounted to a railcar and directed to image the track and/or rails wherein the images are geo-tagged with location data. Geo-tagged distance measurements are processed to determine at least track gauge and/or at least rail fastener integrity. The system and method may also determine other track and/or rail integrity issues including, e.g., rail profile, rail alignment, center point dip, cross level, rail cant, wheel wear, wheel integrity, rail wear, rail defects, and/or rail temperature. The system and method may also determine when inspection and/or maintenance of the track is indicated, and provide selected records of where and/or when such inspection and/or maintenance is indicated.Type: GrantFiled: December 11, 2020Date of Patent: September 6, 2022Assignee: Avante International Technology, Inc.Inventors: Kevin Kwong-Tai Chung, Yulin Huang, Dexi Zhu, Victor Dong, Xinjun Dong
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Publication number: 20210114637Abstract: A system and method for monitoring a track and/or rail employs one or more distance measuring imagers mounted to a railcar and directed to image the track and/or rails wherein the images are geo-tagged with location data. Geo-tagged distance measurements are processed to determine at least track gauge and/or at least rail fastener integrity. The system and method may also determine other track and/or rail integrity issues including, e.g., rail profile, rail alignment, center point dip, cross level, rail cant, wheel wear, wheel integrity, rail wear, rail defects, and/or rail temperature. The system and method may also determine when inspection and/or maintenance of the track is indicated, and provide selected records of where and/or when such inspection and/or maintenance is indicated.Type: ApplicationFiled: December 11, 2020Publication date: April 22, 2021Inventors: Kevin Kwong-Tai Chung, Yulin Huang, Dexi Zhu, Victor Dong, Xinjun Dong
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Patent number: 10953899Abstract: A system and method for monitoring a track and/or rail employs one or more imagers mounted to a railcar and directed to image the track and/or rails wherein the images are geo-tagged with location data. Geo-tagged images are processed to determine at least track gauge and/or at least rail fastener integrity. The system and method may also determine other track and/or rail integrity issues including, e.g., rail fastener integrity, rail profile, rail alignment, center point dip, cross level, rail cant, wheel wear, wheel integrity, rail wear, rail defects, and/or rail temperature. The system and method may also determine when inspection and/or maintenance of the track is indicated, and provide selected records of where and/or when such inspection and/or maintenance is indicated.Type: GrantFiled: September 5, 2019Date of Patent: March 23, 2021Assignee: Avante International Technology, Inc.Inventors: Kevin Kwong-Tai Chung, Yulin Huang, Dexi Zhu, Victor Dong, Xinjun Dong
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Patent number: 10752271Abstract: A system and method for monitoring a track and/or rail employs one or more imagers mounted to a railcar and directed to image the track and/or rails wherein the images are geo-tagged with location data. Geo-tagged images are processed to determine at least track gauge and/or at least rail fastener integrity. The system and method may also determine other track and/or rail integrity issues including, e.g., rail fastener integrity, rail profile, rail alignment, center point dip, cross level, rail cant, wheel wear, wheel integrity, rail wear, rail defects, and/or rail temperature. The system and method may also determine when inspection and/or maintenance of the track is indicated, and provide selected records of where and/or when such inspection and/or maintenance is indicated.Type: GrantFiled: September 5, 2019Date of Patent: August 25, 2020Assignee: Avante International Technology, Inc.Inventors: Kevin Kwong-Tai Chung, Yulin Huang, Dexi Zhu, Victor Dong, Xinjun Dong
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Publication number: 20200158656Abstract: A system and method for monitoring a track and/or rail employs one or more imagers mounted to a railcar and directed to image the track and/or rails wherein the images are geo-tagged with location data. Geo-tagged images are processed to determine at least track gauge and/or at least rail fastener integrity. The system and method may also determine other track and/or rail integrity issues including, e.g., rail fastener integrity, rail profile, rail alignment, center point dip, cross level, rail cant, wheel wear, wheel integrity, rail wear, rail defects, and/or rail temperature. The system and method may also determine when inspection and/or maintenance of the track is indicated, and provide selected records of where and/or when such inspection and/or maintenance is indicated.Type: ApplicationFiled: September 5, 2019Publication date: May 21, 2020Inventors: Kevin Kwong-Tai Chung, Yulin Huang, Dexi Zhu, Victor Dong, Xinjun Dong
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Publication number: 20200156676Abstract: A system and method for monitoring a track and/or rail employs one or more imagers mounted to a railcar and directed to image the track and/or rails wherein the images are geo-tagged with location data. Geo-tagged images are processed to determine at least track gauge and/or at least rail fastener integrity. The system and method may also determine other track and/or rail integrity issues including, e.g., rail fastener integrity, rail profile, rail alignment, center point dip, cross level, rail cant, wheel wear, wheel integrity, rail wear, rail defects, and/or rail temperature. The system and method may also determine when inspection and/or maintenance of the track is indicated, and provide selected records of where and/or when such inspection and/or maintenance is indicated.Type: ApplicationFiled: September 5, 2019Publication date: May 21, 2020Inventors: Kevin Kwong-Tai Chung, Yulin Huang, Dexi Zhu, Victor Dong, Xinjun Dong
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Patent number: 10611388Abstract: A positive train control system and method may comprise one or more switch monitors and/or one or more track monitors providing sensor data relative to one or more switches and/or one or more tracks, respectively, determining whether there is an anomaly of a switch or track, and when there is, providing a message, alert and/or warning, and/or initiating a train control action. Determination of an anomaly may be preformed on a train or at a remote location, e.g., a central facility.Type: GrantFiled: December 7, 2017Date of Patent: April 7, 2020Assignee: Avante International Technology, Inc.Inventors: Kevin Kwong-Tai Chung, Albert Han-Ping Chung, Yulin Huang, Dexi Zhu
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Patent number: 10315673Abstract: A positive train control may comprise a plurality of different sensors coupled to a processor that determines whether there is an anomaly of a track way, and if there is, provides an alert and/or a train control action. The plural sensors may include a visual imager, an infrared imager, a radar, a doppler radar, a laser sensor, a laser ranging device, an acoustic sensor, and/or an acoustic ranging device. Data from the plural sensors is geo-tagged and time tagged. Some embodiments of the train control employ track monitors, switch monitors and/or wayside monitors, and some employ locating devices such as GPS and inertial devices.Type: GrantFiled: June 19, 2017Date of Patent: June 11, 2019Assignee: Avante International Technology, Inc.Inventors: Kevin Kwong-Tai Chung, Albert Han-Ping Chung, Yulin Huang, Dexi Zhu
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Patent number: 9937938Abstract: A train control unit may comprise a probe attached to a first rail of a track way, and a sensor device attached to a second rail of the track way configured to determine the position of the probe, whereby the position of the first rail relative to the second rail may be determined. The train control unit is preferably independent of equipment controlling the position of the first and second rails. Some embodiments of the train control unit may be employed as a track monitor, a switch monitor and/or a wayside monitor.Type: GrantFiled: August 3, 2016Date of Patent: April 10, 2018Assignee: Panasec CorporationInventors: Kevin Kwong-Tai Chung, Albert Han-Ping Chung, Yulin Huang, Dexi Zhu
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Publication number: 20180093685Abstract: A positive train control system and method may comprise one or more switch monitors and/or one or more track monitors providing sensor data relative to one or more switches and/or one or more tracks, respectively, determining whether there is an anomaly of a switch or track, and when there is, providing a message, alert and/or warning, and/or initiating a train control action. Determination of an anomaly may be preformed on a train or at a remote location, e.g., a central facility.Type: ApplicationFiled: December 7, 2017Publication date: April 5, 2018Inventors: Kevin Kwong-Tai Chung, Albert Han-Ping Chung, Yulin Huang, Dexi Zhu
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Publication number: 20170349194Abstract: A positive train control may comprise a plurality of different sensors coupled to a processor that determines whether there is an anomaly of a track way, and if there is, provides an alert and/or a train control action. The plural sensors may include a visual imager, an infrared imager, a radar, a doppler radar, a laser sensor, a laser ranging device, an acoustic sensor, and/or an acoustic ranging device. Data from the plural sensors is geo-tagged and time tagged. Some embodiments of the train control employ track monitors, switch monitors and/or wayside monitors, and some employ locating devices such as GPS and inertial devices.Type: ApplicationFiled: June 19, 2017Publication date: December 7, 2017Inventors: Kevin Kwong-Tai Chung, Albert Han-Ping Chung, Yulin Huang, Dexi Zhu
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Publication number: 20160339934Abstract: A train control unit may comprise a probe attached to a first rail of a track way, and a sensor device attached to a second rail of the track way configured to determine the position of the probe, whereby the position of the first rail relative to the second rail may be determined. The train control unit is preferably independent of equipment controlling the position of the first and second rails. Some embodiments of the train control unit may be employed as a track monitor, a switch monitor and/or a wayside monitor.Type: ApplicationFiled: August 3, 2016Publication date: November 24, 2016Inventors: Kevin Kwong-Tai Chung, Albert Han-Ping Chung, Yulin Huang, Dexi Zhu
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Patent number: 9434397Abstract: A positive train control may comprise a plurality of different sensors coupled to a processor that determines whether there is an object on a track way and/or an anomaly of a track way, and if there is, provides an alert and/or a train control action. The plural sensors may include a visual imager, an infrared imager, a radar, a doppler radar, a laser sensor, a laser ranging device, an acoustic sensor, and/or an acoustic ranging device. Data from the plural sensors is geo-tagged and time tagged. Some embodiments of the train control employ track monitors, switch monitors and/or wayside monitors, and some employ locating devices such as GPS and inertial devices.Type: GrantFiled: August 4, 2015Date of Patent: September 6, 2016Assignee: Panasec CorporationInventors: Kevin Kwong-Tai Chung, Albert Han-Ping Chung, Yulin Huang, Dexi Zhu
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Publication number: 20160046308Abstract: A positive train control may comprise a plurality of different sensors coupled to a processor that determines whether there is an object on a track way and/or an anomaly of a track way, and if there is, provides an alert and/or a train control action. The plural sensors may include a visual imager, an infrared imager, a radar, a doppler radar, a laser sensor, a laser ranging device, an acoustic sensor, and/or an acoustic ranging device. Data from the plural sensors is geo-tagged and time tagged. Some embodiments of the train control employ track monitors, switch monitors and/or wayside monitors, and some employ locating devices such as GPS and inertial devices.Type: ApplicationFiled: August 4, 2015Publication date: February 18, 2016Inventors: Kevin Kwong-Tai Chung, Albert Han-Ping Chung, Yulin Huang, Dexi Zhu