Invention Grant
- Patent Title: Methods and systems for continually measuring the length of a train operating in a positive train control environment
- Patent Title (中): 用于连续测量在正列车控制环境中运行的列车长度的方法和系统
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Application No.: US13292621Application Date: 2011-11-09
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Publication No.: US08688297B2Publication Date: 2014-04-01
- Inventor: Charles W. Morris
- Applicant: Charles W. Morris
- Applicant Address: US MD Bethesda
- Assignee: Lockheed Martin Corporation
- Current Assignee: Lockheed Martin Corporation
- Current Assignee Address: US MD Bethesda
- Agency: Hamre, Schumann, Mueller & Larson, P.C.
- Main IPC: G05D1/00
- IPC: G05D1/00 ; G01S19/23
Abstract:
Methods and systems for continually measuring the length of a train operating in a positive train control environment are provided. Particularly, the methods and systems provided herein equate repetitive line of sight ranging measurements from the head end to the rear end of a train with the physically draped length of the train along a mapped track with various horizontal and vertical curvature characteristics.
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