Apparatus and method for monitoring motion of a railroad train
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G11B-005/00
G06G-015/48
B60L-003/12
출원번호
US-0485079
(1983-04-14)
발명자
/ 주소
Haley, Jr., John E.
Lynch, Michael J.
Rosenberg, Jeffrey S.
출원인 / 주소
Halliburton Company
대리인 / 주소
Gilbert, III, E. HarrisonDuzan, James R.Weaver, Thomas R.
인용정보
피인용 횟수 :
100인용 특허 :
4
초록▼
An apparatus for monitoring the motion of a railroad train includes an on-board unit which computes the speed, acceleration/deceleration, and distance traveled events of the train and stores such computed data for retention by a non-volatile memory after a power interruption or outage occurs. The ap
An apparatus for monitoring the motion of a railroad train includes an on-board unit which computes the speed, acceleration/deceleration, and distance traveled events of the train and stores such computed data for retention by a non-volatile memory after a power interruption or outage occurs. The apparatus also includes a portable unit to which the on-board unit, or the data retaining memory thereof, can be connected for conducting data transfers from the on-board unit memory to the portable unit. Once stored in the portable unit, the information can be formated and displayed as a history of the train operation for management and maintenance personnel, for example.
대표청구항▼
1. An apparatus for monitoring the motion of a railroad train, comprising: on-board electronic means, connectible to an electrical train line of a railroad train for retention on the railroad train, for determining speed, rate of change of speed and distance traveled data of the railroad train, s
1. An apparatus for monitoring the motion of a railroad train, comprising: on-board electronic means, connectible to an electrical train line of a railroad train for retention on the railroad train, for determining speed, rate of change of speed and distance traveled data of the railroad train, said electronic means including: display means, visible to an operator of the railroad train when said electronic means is connected to the train line, for visually displaying speed, rate of change of speed and distance traveled data; first memory means for storing information in said electronic means; first computer means, responsive to a signal representative of the motion of the railroad train, for computing and displaying through said display means real time speed, rate of change of speed and distance traveled data and for transferring to said memory means information related to said real time data so that a history of said information is compiled from which said real time data can be later analyzed; and first communication means, responsive to said computer means, for providing a first communication path over which said information can be transferred from said electronic means; and portable means, connectible to said electronic means, for copying, either directly from said first memory means or through said first communication means, said history from said electronic means when said electronic means is retained on the railroad train and for transferring said history to a location remote from the railroad train and said electronic means, said portable means including: hand-carried means for transporting said portable means; second communication means, mounted in said hand-carried means, for connecting with said first communication means; third communication means, mounted in said hand-carried means, for connecting with said first memory means; second memory means, mounted in said hand-carried means, for storing information received through either said second communication means or said third communication means; fourth communication means, mounted in said hand-carried means and connected to said second memory means, for providing a communication path to said second memory means; and second computer means, mounted in said hand-carried means and connected to said second, third and fourth communication means, for controlling a selectable one of said second and third communication means to receive said history through the selected one thereof and for controlling said fourth communication means to send said received history to said second memory means for storage therein, said second computer means selecting said second communication means when said first communication means is connected thereto and said second computer means selecting said third communication means when said first memory means is connected thereto. 2. An apparatus as defined in claim 1, wherein said portable means further includes: keypad means, mounted in said hand-carried means and connected to said second computer means, for generating control inputs to said second computer means; and alphanumeric display means, mounted in said hand-carried means and responsive to said second computer means, for displaying instructions to an operator of said portable means. 3. An apparatus for monitoring the motion of a railroad train, comprising: electronic means for determining speed, rate of change of speed and distance traveled data of a railroad train, said electronic means including: housing means for mounting in the train; storage means for storing electrically encoded information, said storage means including: non-volatile electronic memory means for maintaining stored data therein when electrical power is removed from said memory means; and support means for removably retaining said non-volatile electronic memory means in said housing means; and computer means, retained in said housing means, for entering in said storage means a history of said data; and portable means, connectible to said electronic means, for copying said history from said storage means and for transferring said history to a peripheral device spaced from said electronic means, said portable means including: portable memory means for storing information; a first communication port connectible with a selectable one of said computer means and the peripheral device; means for cooperatively operating with said computer means in said electronic means for transferring said history into said portable memory means through said first communication port from said storage means when said first communication port is connected to said computer means; a second communication port connectible with said non-volatile electronic memory means when said support means is removed from said housing; and means for transferring said history into said portable memory means through said second communication port directly from said non-volatile electronic memory means when said second communication port is connected to said non-volatile electronic memory means. 4. An apparatus as defined in claim 3, wherein: said electronic means further includes: first switch means, mounted in said housing means, for selecting a distance; and second switch means, mounted in said housing means, for commanding said computer means to initiate a measurement of the distance the railroad train travels; and said computer means includes means, responsive to said first and second switch means, for comparing said measurement of distance with said selected distance and for generating a signal when said measurement equals said selected distance. 5. An apparatus as defined in claim 4, wherein said electronic means further includes: display means, responsive to said computer means, for visually displaying said determined speed, rate of change of speed and distance traveled data; and indicator means, responsive to said signal, for indicating to a train operator when said measurement equals said selected distance. 6. An apparatus as defined in claim 3, wherein: said electronic means further includes means for receiving an electrical signal correlated to the motion of said railroad train; said computer means includes: means, responsive to said electrical signal, for computing the speed, rate of change of speed and distance traveled data of said railroad train; means for generating a timing signal indicating a differential time at which each event of said computed data occurs relative to other events of said computed data; and means for storing in said non-volatile electronic memory means at least a portion of said computed data and each said differential time associated therewith; and said portable means includes means for receiving each said differential time stored in said memory means and for correlating each said differential time with a signal indicating the actual date and time of day the associated event occurred. 7. An apparatus as defined in claim 3, wherein said portable means further includes: means for converting said history transferred to said portable memory means into formatted information for displaying magnitudes of the historical speeds, rates of change of speed and distances traveled; and means for transferring said formatted information to the peripheral device when said first communication port is connected to the peripheral device. 8. An apparatus for monitoring the motion of a railroad train having an electrical train line including a reverse line for carrying an electrical direction signal indicating a direction of movement of the train and power lines for providing access to an electrical voltage supply, the railroad train also having means for generating an electrical motion signal corresponding to the motion of the train, said apparatus comprising: means for converting a motion signal generated from a railroad train into a first input signal having a digitally compatible form; means for converting a direction signal from a train line of the train into a second input signal having a digitally compatible form; means, responsive to said first input signal and said second input signal, for determining speed, acceleration and distance traveled information of the train and for providing said information as electrically encoded data; non-volatile memory means for electronically retaining information; means for periodically transferring at least a portion of said electrically encoded data to said non-volatile memory means; portable memory means for being physically displaced relative to said non-volatile memory means; means, connected to said portable memory means and connectible with said non-volatile memory means, for transferring said electrically encoded data from said non-volatile memory means to said portable memory means when both said memory means are substantially collocated; and means, connected to said portable memory means, for transferring said electrically encoded data from said portable memory means to a display means for visually displaying said speed, acceleration and distance traveled information at a location remote from said railroad train. 9. An apparatus as defined in claim 8, further comprising: means for selecting a distance measurement; means for measuring the distance the train travels from a selectable point; and means for indicating when the distance the train travels from said selectable point equals said selected distance measurement. 10. An apparatus for monitoring the motion of a train, comprising: a housing mountable in a train; electronic interface means, disposed in said housing, for interfacing with external means, said external means including means for generating electrical signals representative of the motion of the train and said external means further including power supply means for providing electrical energy to said apparatus; display means, disposed in said housing, for communicating information to an operator of said apparatus; first memory means, disposed in said housing, for retaining electrically encoded data without the continued application of electrical energy to said first memory means; and computer means, disposed in said housing, for computing the speed, acceleration and distance traveled of said train in response to said electrical signals, said computer means including: means, electrically communicating with said electronic interface means, for receiving signals corresponding to said electrical signals; means, electrically communicating with said display means, for displaying the computed speed, acceleration and distance traveled of the train; second memory means for providing working data storage space for said computer means, in which space computations of the speed, acceleration and distance traveled are stored; means for transferring to said first memory means information related to said speed computations stored in said second memory means; power-up detector means, responsive to said power supply means, for detecting when said electrical energy is applied to said apparatus after a time during which said electrical energy was not applied to said apparatus; and means, responsive to said power-up detector means, for storing in said first memory means electrically encoded information signifying the occurence of a power outage. 11. An apparatus as defined in claim 10, further comprising: means for entering into said computer means a distance measurement; means for commanding said computer means to commence a measurement of how far the train travels from an initiation point at which the command is given; and means, responsive to said computer means, for communicating to said operator when the train has traveled from said initiation point an amount equal to said distance measurement. 12. An apparatus as defined in claim 11, wherein: said external means further includes means for receiving from the train an electrical directional signal indicating the forward or reverse direction of travel of the train; and said computer means is responsive to said directional signal. 13. An apparatus for monitoring the motion of a train, comprising: a housing mountable in a train; electronic interface means, disposed in said housing, for interfacing with external means, said external means including means for generating electrical signals representative of the motion of the train; display means, disposed in said housing, for communicating information to an operator of said apparatus; first memory means, disposed in said housing, for retaining electrically encoded data without the continued application of electrical energy to said memory means; and computer means, disposed in said housing, for computing the speed, acceleration and distance traveled of said train in response to said electrical signals, said computer means including: means, electrically communicating with said electronic interface means, for receiving signals corresponding to said electrical signals; means, electrically communicating with said display means, for displaying the computed speed, acceleration and distance traveled of the train; second memory means for providing working data storage space for said computer means, in which space computations of the speed, acceleration and distance traveled are stored; and means for transferring to said first memory means information related to said speed computations stored in said second memory means; and wherein said external means further includes copying means for copying the electrically encoded data retained in said first memory means, said copying means including: third memory means for receiving the electrically encoded data retained in said first memory means; first communication means, connectible to said electronic interface means, for serially transferring said electrically encoded data from said first memory means to said third memory means; and second communication means, connectible to said first memory means, for transferring said electrically encoded data from said first memory means to said third memory means. 14. An apparatus as defined in claim 13, further comprising: means for entering into said computer means a distance measurement; means for commanding said computer means to commence a measurement of how far the train travels from an initiation point at which the command is given; and means, responsive to said computer means, for communicating to said operator when the train has traveled from said initiation point an amount equal to said distance measurement. 15. An apparatus as defined in claim 14, wherein: said external means further includes power supply means for providing electrical energy to said apparatus; and said computer means further includes: power-up detector means for detecting when said electrical energy is applied to said apparatus after a time during which said electrical energy was not applied to said apparatus; and means, responsive to said power-up detector means, for storing in said first memory means electrically encoded information signifying the occurrence of a power outage. 16. A method of monitoring the motion of a railroad train, comprising: (a) detecting signals proportional to the speed at which a railroad train is moving; (b) computing, with a first microcomputer located on the train and in response to said signals, respective magnitudes of the speed, rate of change of speed and distance traveled of the train at a plurality of times, said first microcomputer connected to a first communication means for communicating electrical signals; (c) electronically storing in a first memory means retained on the train information corresponding to said magnitudes; (d) carrying onto the train, at a time subsequent to storing information in said first memory means, a second microcomputer having connected thereto a second communication means for receiving electrical signals, a third communication means for receiving electrical signals, and a second memory means; (e) selectably connecting either said first communication means to said second communication means or said first memory means to said third communication means; (f) transferring, with said second microcomputer and through the selectably connected ones of said first and second communication means and said first memory means and said third communication means, said information from said first memory means to said second memory means; (g) disconnecting the selectably connected ones of said first and second communication means and said first memory means and said third communication means; and (h) carrying said second microcomputer and said second communication means, said third communication means and said second memory means off the train. 17. A method as defined in claim 16, further comprising detecting changes in the magnitudes of the speed of said train over a relatively short period of time to determine when the wheels of the train slip. 18. A method as defined in claim 16, further comprising, after said step (f): converting, with said second microcomputer, said information transferred to said second memory means into reconstructed magnitudes of said computed speeds, rates of change of speed and distances traveled; connecting a peripheral device to said second communication means after said step (g); and transferring, with said second microcomputer and through said second communication means, said reconstructed magnitudes to said peripheral device for displaying at a location remote from the train.
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