US20190054936A1 - Traction and braking control system for a railway train set - Google Patents

Traction and braking control system for a railway train set Download PDF

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Publication number
US20190054936A1
US20190054936A1 US15/766,545 US201615766545A US2019054936A1 US 20190054936 A1 US20190054936 A1 US 20190054936A1 US 201615766545 A US201615766545 A US 201615766545A US 2019054936 A1 US2019054936 A1 US 2019054936A1
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United States
Prior art keywords
locomotive
control unit
braking
traction
train set
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
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US15/766,545
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English (en)
Inventor
Roberto Tione
Angelo Grasso
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Faiveley Transport Italia SpA
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Faiveley Transport Italia SpA
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Publication date
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Assigned to FAIVELEY TRANSPORT ITALIA S.P.A. reassignment FAIVELEY TRANSPORT ITALIA S.P.A. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: GRASSO, ANGELO, TIONE, ROBERTO
Publication of US20190054936A1 publication Critical patent/US20190054936A1/en
Abandoned legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L15/00—Indicators provided on the vehicle or train for signalling purposes
    • B61L15/009—On-board display devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
    • B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
    • B60T13/66—Electrical control in fluid-pressure brake systems
    • B60T13/665—Electrical control in fluid-pressure brake systems the systems being specially adapted for transferring two or more command signals, e.g. railway systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
    • B60L15/32—Control or regulation of multiple-unit electrically-propelled vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
    • B60T17/18—Safety devices; Monitoring
    • B60T17/22—Devices for monitoring or checking brake systems; Signal devices
    • B60T17/228—Devices for monitoring or checking brake systems; Signal devices for railway vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61C—LOCOMOTIVES; MOTOR RAILCARS
    • B61C17/00—Arrangement or disposition of parts; Details or accessories not otherwise provided for; Use of control gear and control systems
    • B61C17/12—Control gear; Arrangements for controlling locomotives from remote points in the train or when operating in multiple units
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L15/00—Indicators provided on the vehicle or train for signalling purposes
    • B61L15/0058—On-board optimisation of vehicle or vehicle train operation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L15/00—Indicators provided on the vehicle or train for signalling purposes
    • B61L15/0094—Recorders on the vehicle
    • B61L3/002—
    • B61L3/006—
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T15/00—Construction arrangement, or operation of valves incorporated in power brake systems and not covered by groups B60T11/00 or B60T13/00
    • B60T15/02—Application and release valves
    • B60T15/18—Triple or other relay valves which allow step-wise application or release and which are actuated by brake-pipe pressure variation to connect brake cylinders or equivalent to compressed air or vacuum source or atmosphere
    • B60T15/24—Triple or other relay valves which allow step-wise application or release and which are actuated by brake-pipe pressure variation to connect brake cylinders or equivalent to compressed air or vacuum source or atmosphere controlled by three fluid pressures
    • B60T15/30—Triple or other relay valves which allow step-wise application or release and which are actuated by brake-pipe pressure variation to connect brake cylinders or equivalent to compressed air or vacuum source or atmosphere controlled by three fluid pressures with a quick braking action
    • B60T15/32—Triple or other relay valves which allow step-wise application or release and which are actuated by brake-pipe pressure variation to connect brake cylinders or equivalent to compressed air or vacuum source or atmosphere controlled by three fluid pressures with a quick braking action and having auxiliary valves

Definitions

  • the present invention relates to a traction and braking control system for a railway train set.
  • the present invention relates to a traction and braking control system for a railway train set comprising a leading master locomotive, at least one trailing or intermediate slave locomotive and a plurality of carriages or cars, and provided with a pneumatic braking system, in which each of said locomotives comprises braking and traction apparatus associated with respective manual control devices and a respective electronic control unit and related transceiver means through which the electronic control unit of the master locomotive is able to communicate with the control unit of said at least one slave locomotive; the arrangement being such that the traction and braking apparatus of the at least one slave locomotive can be controlled by the master locomotive.
  • This control system has the advantage of being extremely simple to operate, and the driver of the leading locomotive drives the train set as if it were a head-end train.
  • control systems have a limited capacity to control slack action. Indeed, on certain section profiles, such control systems may not be able to limit the occurrence of significant longitudinal forces between the vehicles that make up the train set, in extension or in compression, resulting in dangerous stresses and accident risks.
  • One purpose of the present invention is to propose a traction and braking control system for a railway train set of the type defined above that has been improved to enable a more effective management of the issues set out above.
  • control unit in the master locomotive is associated with:
  • control unit of the master locomotive is also designed to generate, in a predefined manner, additional signals for controlling traction and/or braking, and to use said additional command signals to control the braking and traction apparatus of the master locomotive.
  • FIG. 1 is a partial schematic side view of a railway train set provided with a traction and braking control system according to the present invention
  • FIG. 2 is a block diagram showing the equipment of the leading master locomotive of a railway train set provided with a control system according to the present invention.
  • FIG. 3 is a similar block diagram showing the control equipment of each slave locomotive of a railway train set provided with a control system according to the present invention.
  • reference sign T indicates the railway train set as a whole, including a leading master locomotive ML and at least one intermediate or trailing slave locomotive SL, as well as a plurality of cars or carriages C.
  • the locomotives ML and SL are electric locomotives powered by and overhead conductor CC via respective pantographs P.
  • the invention is not limited to application to train sets including such locomotives.
  • the train set T is provided with a pneumatic braking system of a known type, in which all of the vehicles in the train set are connected together pneumatically by a brake pipe that is kept at a predetermined pressure, for example 5 bar, and keeps the brakes of all of the vehicles open.
  • a distributor in said vehicles which is usually associated with a control cylinder and an auxiliary cylinder, causes air to enter the brake cylinders, thereby braking the train set.
  • FIGS. 2 and 3 illustrate the key elements of the equipment on the leading master locomotive ML and respectively a slave locomotive SL of the train set T.
  • each of the locomotives ML and SL have respective traction apparatus 1 and braking apparatus 2 , which are associated with corresponding control devices 3 and 4 that can be actuated manually in the cab by a driver.
  • Each locomotive ML and SL is also provided with a respective electronic control unit ECUM and ECUS and with related transceiver devices 5 to enable said electronic units to communicate with one another.
  • the transceiver devices are able to communicate with one another by radio, using a respective antenna 6 .
  • this solution is not mandatory, and communication between said transceiver devices may be achieved using other channels, such as cables or optical fibres.
  • control unit ECUM of the master locomotive ML is associated with sensor devices 8 designed to provide same with electrical signals indicating the speed and/or acceleration of said locomotive.
  • the control unit ECUM of the master locomotive ML is also linked to detector devices 9 and 10 designed to provide signals indicating the commands given by the driver of said locomotive using the traction control devices 3 and, respectively, the braking control devices 4 .
  • the control unit ECUM is also associated with memory devices 11 storing data describing the composition of the train set T, and other memory devices 12 containing data used to define a mathematical model of the longitudinal dynamics of the train set T.
  • Other memory devices 13 which are also associated with the unit ECUM, store data that are used to define the profile of the section on which the train set T is travelling.
  • control unit ECUM Other memory devices 14 associated with the control unit ECUM are used to store data defining a control algorithm and at least one predetermined operational objective.
  • FIGS. 2 and 3 show the memory devices 11 - 14 as external to the control units ECUM and ECUS, said memory devices may also be built into said control units.
  • control unit ECUM of the master locomotive ML is also associated with positioning devices 15 that are designed to provide signals indicating the instantaneous position of said locomotive, and therefore of the train set T, along the aforementioned section.
  • the positioning devices may be inertial and/or satellite platforms (GPS and similar), or other systems.
  • the unit ECUM is also linked to a human-machine interface 16 that is designed to provide information/instructions to the driver of the master locomotive ML.
  • This control unit ECUM is designed to control the traction and braking of the train set T in the manner described below.
  • Said unit ECUM is in particular designed to check that the commands given by the driver of the master locomotive ML (and therefore of the train set T) are consistent with a predetermined operational objective stored in the memory devices 14 .
  • This operational objective may for example be to reduce the dynamic stresses exchanged between the different vehicles that make up the train set T during train movement.
  • An alternative or additional operational objective may for example be maintaining a constant assigned speed in a track section subject to a speed limit.
  • the consistency of the commands given by the driver using the traction and braking control devices 3 , 4 with the aforementioned operational objectives is checked using the information contained in the memory devices 11 - 14 (composition of the train set T, mathematical model of the dynamic behaviour of the train set T, section profile, control algorithm and operational objectives), the information provided by the positioning system 15 , and the information provided by the detector devices 9 and 10 associated with the traction and braking control devices 3 , 4 .
  • the control unit ECUM is also designed to use the information received from the devices 8 - 15 to generate traction and/or braking control signals for the slave locomotive or locomotives SL. Said control signals are sent to the control unit ECUS of at least one slave locomotive SL using the transceiver devices 5 , 6 .
  • the traction and braking control signals from the control unit ECUM of the master locomotive ML are received by the local control unit ECUS, which then controls the traction system 1 and the braking system 2 of the corresponding slave locomotive SL accordingly.
  • control of the traction and braking of the master locomotive ML is left completely to the driver, and the control unit ECUM can be arranged appropriately to provide said driver, by means of the human-machine interface 16 , with information/recommendations regarding the consistency of the commands given by the driver with the operational objective or objectives assigned.
  • each of the slave locomotives SL is entirely dependent on the commands provided by the control unit ECUM of the master locomotive ML and sent to the control unit ECUS of the corresponding slave locomotive SL.
  • traction and control of the master locomotive ML is controlled in part using the commands given manually by the driver using the control devices 3 and 4 , and in part using control signals generated by the unit ECUM on the basis of information provided to said unit by the devices 8 - 15 .
  • This “mixed” traction and braking control method for the master locomotive ML helps to optimize management of the movement of the train set.
  • control and decision algorithm implemented by the control unit ECUM can be implemented using artificial-intelligence techniques, for example using neural networks or Petri nets.
  • the control system helps to optimize management of the longitudinal dynamics of the train set T as a function of the profile of the section being traveled, and to improve the performance of such a train set under specific circumstances (starting, braking, skid conditions, etc.).
  • FIGS. 2 and 3 Comparison of the block diagrams in FIGS. 2 and 3 shows how the equipment architecture in each slave locomotive SL is similar to the equipment architecture in the master locomotive ML.
  • each slave locomotive SL only strictly requires the devices shown in FIG. 3 using an unbroken line.
  • the equipment architecture shown in FIG. 3 can therefore be augmented by adding the devices shown in said figure using a dotted line, which are indicated using the same reference signs as used in FIG. 2 .

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Automation & Control Theory (AREA)
  • Power Engineering (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Regulating Braking Force (AREA)
US15/766,545 2015-10-09 2016-10-07 Traction and braking control system for a railway train set Abandoned US20190054936A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
IT102015000059848 2015-10-09
ITUB2015A004278A ITUB20154278A1 (it) 2015-10-09 2015-10-09 Sistema di controllo della trazione e della frenatura per un convoglio ferroviario.
PCT/IB2016/056004 WO2017060858A1 (en) 2015-10-09 2016-10-07 Traction and braking control system for a railway train set

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2016/056004 A-371-Of-International WO2017060858A1 (en) 2015-10-09 2016-10-07 Traction and braking control system for a railway train set

Related Child Applications (1)

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US17/572,365 Continuation-In-Part US12060048B2 (en) 2015-10-09 2022-01-10 Maintenance system

Publications (1)

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US20190054936A1 true US20190054936A1 (en) 2019-02-21

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US15/766,545 Abandoned US20190054936A1 (en) 2015-10-09 2016-10-07 Traction and braking control system for a railway train set

Country Status (8)

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US (1) US20190054936A1 (de)
EP (2) EP3725610B1 (de)
CN (1) CN108137023B (de)
AU (1) AU2016336151B2 (de)
IT (1) ITUB20154278A1 (de)
PL (2) PL3725610T3 (de)
RU (1) RU2745358C2 (de)
WO (1) WO2017060858A1 (de)

Cited By (7)

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US10518760B2 (en) * 2015-08-10 2019-12-31 Faiveley Transport Italia S.P.A. Systems for controlling a railway train for the transport of goods comprising a plurality of locomotives
CN112124380A (zh) * 2020-09-02 2020-12-25 青岛海信微联信号有限公司 一种列车行驶控制的方法和装置及设备
CN112208582A (zh) * 2020-10-26 2021-01-12 中国神华能源股份有限公司神朔铁路分公司 重联机车自动驾驶控制数据的确定方法、装置和设备
US11208125B2 (en) * 2016-08-08 2021-12-28 Transportation Ip Holdings, Llc Vehicle control system
CN113942544A (zh) * 2021-09-03 2022-01-18 中南大学 机车无线重联远程分布动力牵引运行控制系统、重联机车
CN113997976A (zh) * 2020-07-28 2022-02-01 株洲中车时代电气股份有限公司 重载组合列车异步控制方法及其相关装置
US11479219B2 (en) * 2016-08-09 2022-10-25 Faiveley Transport Italia S.P.A. Vehicle control system

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CN114559979A (zh) * 2020-11-27 2022-05-31 株洲中车时代软件技术有限公司 一种自动驾驶控制系统及方法
CN112319521B (zh) * 2020-11-27 2023-06-30 中冶京诚（湘潭）重工设备有限公司 一种高炉出铁用电力牵引系统
CN114670900A (zh) * 2022-04-25 2022-06-28 青岛地铁集团有限公司 牵引制动控制电路、列车控制系统以及列车

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RU2018117147A (ru) 2019-11-11
AU2016336151B2 (en) 2021-05-27
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CN108137023B (zh) 2021-02-02
ITUB20154278A1 (it) 2017-04-09
RU2745358C2 (ru) 2021-03-24
RU2018117147A3 (de) 2020-04-02
CN108137023A (zh) 2018-06-08
PL3725610T3 (pl) 2022-07-18
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WO2017060858A1 (en) 2017-04-13

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