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WO2007073074A1 - Systeme de commande d'arret dans lequel est utilise un frein electrique, pour vehicules sur rails a entrainement electrique - Google Patents

Systeme de commande d'arret dans lequel est utilise un frein electrique, pour vehicules sur rails a entrainement electrique Download PDF

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Publication number
WO2007073074A1
WO2007073074A1 PCT/KR2006/005549 KR2006005549W WO2007073074A1 WO 2007073074 A1 WO2007073074 A1 WO 2007073074A1 KR 2006005549 W KR2006005549 W KR 2006005549W WO 2007073074 A1 WO2007073074 A1 WO 2007073074A1
Authority
WO
WIPO (PCT)
Prior art keywords
brake
electric
railway vehicle
speed
control section
Prior art date
Application number
PCT/KR2006/005549
Other languages
English (en)
Inventor
Gildong Kim
Hanmin Lee
Sunghyuk Park
Sehchan Oh
Seokyun Han
Original Assignee
Korea Railroad Research Institute
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Korea Railroad Research Institute filed Critical Korea Railroad Research Institute
Publication of WO2007073074A1 publication Critical patent/WO2007073074A1/fr

Links

Classifications

    • 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
    • B60L7/00—Electrodynamic brake systems for vehicles in general
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
    • B61H11/00—Applications or arrangements of braking or retarding apparatus not otherwise provided for; Combinations of apparatus of different kinds or types
    • 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
    • B60L15/02—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles characterised by the form of the current used in the control circuit
    • B60L15/025—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles characterised by the form of the current used in the control circuit using field orientation; Vector control; Direct Torque Control [DTC]
    • 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
    • B60T13/58—Combined or convertible systems
    • B60T13/585—Combined or convertible systems comprising friction brakes and retarders
    • B60T13/586—Combined or convertible systems comprising friction brakes and retarders the retarders being of the electric type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
    • B61H11/00—Applications or arrangements of braking or retarding apparatus not otherwise provided for; Combinations of apparatus of different kinds or types
    • B61H11/02—Applications or arrangements of braking or retarding apparatus not otherwise provided for; Combinations of apparatus of different kinds or types of self-applying brakes
    • 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
    • B60L2200/00—Type of vehicles
    • B60L2200/26—Rail 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
    • B60T2230/00—Monitoring, detecting special vehicle behaviour; Counteracting thereof
    • B60T2230/04—Jerk, soft-stop; Anti-jerk, reduction of pitch or nose-dive when braking
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/64—Electric machine technologies in electromobility

Definitions

  • the present invention relates to a stop control system using an electric brake of an electric railway vehicle, and more particularly, to a stop control system which stops an electric railway vehicle only through the electric brake in all speed ranges.
  • the operation and stopping of the electric railway vehicle were performed in such a manner that the electric railway vehicle begins to drive by the starting of an inverter, which was a propulsion control device for the electric railway vehicle, and stops when it arrives at a station.
  • the electric railway vehicle was operated to perform speed reduction control through an electric brake manner in the range of high and middle speed such as by about
  • the conventional electric brake method performs a vector control by using an encoder for detecting positions of an electric motor.
  • the encoder method since the encoder method generates about 60 to 100 pulse per one rotation, it was not possible to perform minute vector control at the low speed. As a result, a brake method employing the electric brake and the air brake instantly has been used.
  • the brake system for the electric railway vehicle such as railway vehicle for a subway employs a dual-purpose brake system combining a brake method using electricity with a brake method using air.
  • the conventional brake method for the electric railway vehicle employs a combined electric brake and air brake method, it becomes a principal cause of the noise produced from the electric railway vehicle. Also, dust is produced and dispersed due to the friction of the disc-brake shoe at the time of braking the electric railway vehicle to thereby cause environmental pollution. .
  • the conventional electric and air brake method since the air brake method was employed when the speed of the electric railway vehicle was below 5km/h, there also occurred problems that noise was produced from the compressor and it was difficult to maintain and repair the device, and safety accident could be brought about because the air piping could be damaged due to worn out. Accordingly, the present invention was devised to solve such conventional problems, and an object of the present invention is to provide a stop control system which stops an electric railway vehicle only through the electric brake in all speed ranges.
  • the present invention provides a stop control system using an electric brake, comprises an inverter- for controlling speed of the motor by converting direct current inputted through a pantograph into alternative current, a pulse width modulation PWM control section for controlling voltage and frequency of an input circuit of an traction motor by producing a gate pulse of the inverter, a vector control section for determining inverter voltage and inverter frequency by means of the speed of the motor and current signal, an operation control section for performing operation command for reverse driving, regeneration, and stop of the electric railway vehicle, a brake controller for performing a parking brake for the electric railway vehicle, and a speed detection section for detecting the speed of rotor for controlling the motor.
  • the present invention realizes a full electric brake method capable of performing the precision control at the low speed range.
  • FIG. 1 is a diagrammatical view showing the construction of a stop control system using an electric brake for the electric railway vehicle according to the present invention
  • FIG. 2 is a graphic view showing an electric brake stop control of the full range according to the conventional method
  • FIG. 3 is a graphic view showing the stop control using the electric brake according to the improved method of the present invention
  • FIG. 4 is a graphic view showing the stop control at the speed reduction at low speed of the electric railway vehicle according to the present invention.
  • operation control section 10 operation control section
  • brake controller 30 vector control section 40: pulse width modulation control section 50: power conversion section 60: speed detection section
  • the electric railway vehicle applied of the subordinate control method of the electric brake according to the present invention has an advantage that it can reduce the adjustment work burden to realize the stable stop control. Accordingly, it is possible to remove the noise and the dust by using the full electric brake as brake method for the electric railway vehicle till the speed of the electric railway vehicle becomes to be zero state. It is necessary to provide an inverter for controlling the motor in order to perform the full electric brake, and the inverter performs the functions from the start to the stop, and the final maintenance of the stop state is accomplished by using an assistant brake.
  • FIG. 1 is a diagrammatical view showing the basic construction of a vector control for the electric railway vehicle for the stop control of the full electric brake according to the present invention.
  • an inverter 50 is a propulsion inverter for supplying the driving power to the electric railway vehicle.
  • the inverter operates to transform the direct current voltage (about DC 1500V) inputted through a pantograph disposed at the upper end of the electric railway vehicle into alternative current voltage after it passes through a filter and a condenser disposed in ' series and in parallel and supply to thereby control the torque and speed of the motor IM.
  • the inverter 50 for controlling the voltage inputted to the motor is constructed of the following elements described below.
  • a pulse width modulation PWM control section 40 is to produce gate pulse of the inverter 50 to thereby control the voltage and frequency of the input circuit of a traction motor, and it receives commands of voltage
  • the vector control section 30 is to determine the voltage and the frequency of the inverter by receiving the inputted speed and current signal of the traction motor, and it detects the electric current *" / v , ' w applied to the motor IM from the inverter 50 so as to improve the precision degree of the electric current control to thereby remove the offset of the electric current, resulting in the suppress of the torque pulsation.
  • An operation control section 10 is to perform the operation commands such as reverse driving, regeneration, and stop and the like in the electric railway vehicle, and it sends commands of a magnetization current I dp and a torque current I qp to the vector, control section 30 by means of a notch commands P, B, and sends a command of brake torque B TC to a brake controller 20, and receives a brake torque feedback B TF from the brake controller 20.
  • the brake control section 20 indicates the operation of the assistant air brake (or hydraulic) method when the electric railway vehicle is stopped by the electric brake, and the result of the assistant brake operation is feedbacked and sent to the operation control section 10 to thereby realize the optimum state of the system operation.
  • a speed detection section 60 comprises a speed detection circuit for controlling the motor IM by receiving the speed of the electric railway vehicle from a speed sensor.
  • the speed detection section 60 detects the speed of the rotor of the motor IM to thereby improve the precision degree of the speed detection at low speed and correct the speed at the minimal range of the speed pulse.
  • the pulse width modulation control section 40 increases the voltage/frequency to output required traction force to thereby supply it to the pulse width modulation control section 40, and then the supplied signal is transferred to the inverter 50 to thereby drive the traction motor IM.
  • the vector control section 30 adjusts the output to the pulse width modulation control section 40 by receiving the value w , w , ' w* of the detected current applied to the motor IM and the detected speed from the speed detection section 60 so as to feedback the traction force and the speed produced from the traction motor IM.
  • the vector control section 30 performs the feedback of the current and the frequency as vector control to cope with the command value of the operation control section 10, to thereby perform the feedback control continuously till it reaches the value of the command.
  • a usual encoder is used as a speed sensor for the precision control
  • a multiplier (with more than four multiply ratio) is engaged to increase the switching frequency and the period of the pulse width modulation to thereby realize the precise control at the low speed.
  • the motor having a resolver at the inside is used as a speed detection sensor, it becomes possible to perform the precise control without the separate magnification device.
  • FIG. 2 is a graphic view showing the speed and the brake force of the joint use of the conventional electric brake and the air brake, in which the brake forces of the electric brake and the air brake are concurrently operated at the low speed range wherein the speed is reduced below a predetermined level.
  • the operation of the electric brake is started, and the air brake is also started at low speed range of below 5 km/h.
  • the brake force of the air brake is produced at the minimal from the point when the brake force of the electric railway vehicle starts to decrease to stop the electric railway vehicle, the operation of the air brake at this time is simply for the prevention of the rolling, it is not related to the substantial brake.
  • the electric railway vehicle becomes to stop only by the brake force of the electric brake till the electric railway vehicle finally stops substantially, the blending region in which the electric brake and the air brake coexist does not exist in real.
  • FIG. 4 is a graphic view showing the stop control when the electric railway vehicle performs speed reduction at low speed.
  • command of the torque current Iq p is sent to output full brake force,, so that the speed of the electric railway vehicle becomes to decrease, and when it arrives ⁇ t predetermined low speed region (below 5 km/h), the command value of the torque current is gradually decreased to reduce the brake force of the electric brake.
  • the brake is performed by means of the hydraulic/air brake.
  • the present invention devises to reduce a jerk ratio, which generates the jerking, by the highly precise detection of the stop by means of the pulse control of the speed detection, after realizing the vector control with reduced speed, and to improve the entrainment feelings with the control of high reliability.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Power Engineering (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Regulating Braking Force (AREA)

Abstract

La présente invention concerne un système de commande d'arrêt dans lequel est utilisé un frein électrique, pour un véhicule sur rails à entraînement électrique, et plus précisément un système de commande d'arrêt dans lequel est utilisé un frein électrique, pour un véhicule sur rails à entraînement électrique, permettant d'arrêter le véhicule à pleine vitesse uniquement au moyen d'une force de freinage produite par le frein électrique. Le système de freinage selon l'invention permet d'éliminer les problèmes liés au bruit et à la poussière lorsqu'il est utilisé jusqu'à l'arrêt complet du véhicule.
PCT/KR2006/005549 2005-12-20 2006-12-19 Systeme de commande d'arret dans lequel est utilise un frein electrique, pour vehicules sur rails a entrainement electrique WO2007073074A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2005-0125926 2005-12-20
KR1020050125926A KR100717354B1 (ko) 2005-12-20 2005-12-20 전동차의 전기 브레이크를 이용한 정지제어 시스템

Publications (1)

Publication Number Publication Date
WO2007073074A1 true WO2007073074A1 (fr) 2007-06-28

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2006/005549 WO2007073074A1 (fr) 2005-12-20 2006-12-19 Systeme de commande d'arret dans lequel est utilise un frein electrique, pour vehicules sur rails a entrainement electrique

Country Status (2)

Country Link
KR (1) KR100717354B1 (fr)
WO (1) WO2007073074A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009022211A1 (fr) * 2007-08-10 2009-02-19 Toyota Jidosha Kabushiki Kaisha Appareil de frein, unité de commande de frein et procédé de commande de frein
CN112440959A (zh) * 2019-08-30 2021-03-05 比亚迪股份有限公司 车辆及其制动方法、装置

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100986836B1 (ko) 2008-09-18 2010-10-08 한국철도기술연구원 선로의 구배를 고려한 전동차의 전기제동 시스템
CN104554335A (zh) * 2013-10-21 2015-04-29 宁夏中远天晟科技有限公司 一种铁路货车折角塞门关闭检测装置
KR101854351B1 (ko) * 2016-10-19 2018-05-04 한국철도기술연구원 철도차량용 전기기계식 제동시스템
KR102074142B1 (ko) * 2018-03-30 2020-03-02 현대로템 주식회사 철도차량의 제동장치 및 방법

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000013903A (ja) * 1998-06-22 2000-01-14 Railway Technical Res Inst 電気ブレーキの制御方法及びその装置
JP2001251701A (ja) * 2000-03-06 2001-09-14 Hitachi Ltd 電気車の制御装置
JP2002369306A (ja) * 2001-06-04 2002-12-20 Railway Technical Res Inst 電気車の電気ブレーキ装置
JP2004032954A (ja) * 2002-06-28 2004-01-29 Hitachi Ltd 電気車の制御装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08164857A (ja) * 1994-12-13 1996-06-25 Nabco Ltd 車両用ブレーキ装置
JP2000041301A (ja) 1998-07-22 2000-02-08 Mitsubishi Electric Corp 逆相電気ブレーキによる停止時のジャーク制御方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000013903A (ja) * 1998-06-22 2000-01-14 Railway Technical Res Inst 電気ブレーキの制御方法及びその装置
JP2001251701A (ja) * 2000-03-06 2001-09-14 Hitachi Ltd 電気車の制御装置
JP2002369306A (ja) * 2001-06-04 2002-12-20 Railway Technical Res Inst 電気車の電気ブレーキ装置
JP2004032954A (ja) * 2002-06-28 2004-01-29 Hitachi Ltd 電気車の制御装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009022211A1 (fr) * 2007-08-10 2009-02-19 Toyota Jidosha Kabushiki Kaisha Appareil de frein, unité de commande de frein et procédé de commande de frein
US8303046B2 (en) 2007-08-10 2012-11-06 Toyota Jidosha Kabushiki Kaisha Brake apparatus, brake control unit, and brake control method
CN112440959A (zh) * 2019-08-30 2021-03-05 比亚迪股份有限公司 车辆及其制动方法、装置

Also Published As

Publication number Publication date
KR100717354B1 (ko) 2007-05-10

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