EP3487747A1 - Method and device for detecting roll motion of a rail vehicle car body relative to the bogie - Google Patents
Method and device for detecting roll motion of a rail vehicle car body relative to the bogieInfo
- Publication number
- EP3487747A1 EP3487747A1 EP17791643.4A EP17791643A EP3487747A1 EP 3487747 A1 EP3487747 A1 EP 3487747A1 EP 17791643 A EP17791643 A EP 17791643A EP 3487747 A1 EP3487747 A1 EP 3487747A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- rail vehicle
- signal
- chassis
- car body
- detecting
- 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.)
- Granted
Links
- 230000033001 locomotion Effects 0.000 title claims abstract description 44
- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000005096 rolling process Methods 0.000 claims abstract description 35
- 238000001514 detection method Methods 0.000 claims description 6
- 230000001960 triggered effect Effects 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 2
- 230000001052 transient effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
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
- B61L15/0081—On-board diagnosis or maintenance
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L27/00—Central railway traffic control systems; Trackside control; Communication systems specially adapted therefor
- B61L27/50—Trackside diagnosis or maintenance, e.g. software upgrades
- B61L27/57—Trackside diagnosis or maintenance, e.g. software upgrades for vehicles or trains, e.g. trackside supervision of train conditions
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
Definitions
- the invention relates to a method and a device for detecting a rolling motion of a
- Rail vehicles can move around their longitudinal axis too
- Carriage side which leads to corresponding rolling movements of the car body. This movement can be perceived by passengers as uncomfortable and, in extreme cases, also relevant to safety.
- To reduce the rolling motion damper are used in parallel to the suspension springs, which convert the kinetic energy of the car body into heat according to the prior art.
- the whirling movement is generally stimulated by the route in
- the invention is therefore based on the object of specifying a method and a device for detecting a rolling movement of a rail vehicle car body relative to the chassis, which permanently detect rolling movements (vibrations about the longitudinal axis) and of transient
- the advantage can be achieved to detect permanent rolling movements and to be able to make an alarm.
- a distinction can be made between short-term (transient) wavering and deliberately induced wavering.
- the inventive method uses a signal which is proportional to the instantaneous rotation of the car body about the longitudinal axis of the rail vehicle with respect to the chassis.
- a signal can be obtained for example by a tilt angle sensor, which directly determines the roll angle between the car body and a chassis.
- Another possibility is to provide a rotation rate sensor on the car body and to use its output signal after integration as a signal indicative of the roll angle.
- a particularly advantageous embodiment of the invention provides to use the pressure differences in the air spring bellows as a measure of the roll angle.
- This signal describing the roll angle is to be bandpass filtered in a first step in order to filter out irrelevant frequencies in the signal.
- the middle of the passband of the bandpass filter is in
- Air bellows used as a measure of the roll angle, so it is advantageous to the respective pressure differences at the individual bogies (the air spring bellows of a
- Amount signal with a predetermined limit is proportional to the roll angle, from which a Warning should take place. However, should not be a single, transient exceeding this roll angle a warning, but only as soon as a constant, no longer decaying vibration was detected. For this purpose, when the angle at which a warning is to be exceeded, a timer is triggered over a certain observation period and the number of exceedances in this observation period is counted. If this number exceeds the value 3, this very probably indicates a no longer, or far too slowly decaying vibration of the car body relative to the chassis and a warning signal is emitted.
- Control device is to supply the instantaneous rotation of the car body about the longitudinal axis of the rail vehicle relative to the chassis proportional signal.
- a band-pass filter is to be arranged, which bandpass filters the supplied signal.
- the center frequency of the passband of the bandpass filter is to be tuned substantially to the Wankeigenfrequenz of the rail vehicle.
- the control device comprises a
- Amount forming unit for forming the amount of the filtered signal. Furthermore, a comparison device for comparing the amount of the signal with a certain limit value is provided, wherein when the limit value is exceeded, a timer is to be triggered, which is responsible for a specific time limit
- Wankeigenfrequenz of 0.5 Hz be set to a value of 6 to 7 seconds. This ensures that multiple limit violations in one
- Observation period can be determined.
- Warning is issued and the process starts again. If a sufficient number of transgressions is detected, the control device transmits a warning signal, which informs the driver of this exceptional condition in a car of the train. In particular it is
- FIG.l flowchart of a method for roll detection.
- FIG. 1 shows, by way of example and schematically, a flow chart of a method for detecting rolling. The procedure set out in the flowchart provides for the supply of a
- Amount of the output signal Br determined.
- the magnitude signal of the bandpass filter is subjected to a comparison with a threshold value ⁇ t Agriculture According to the relationship '/ K " H iti , a decision is made, failing to fulfill the relationship ⁇ * ftttwr ⁇ Eifa] r _ e is detected n waver and the process begins again from the first processing step on. Is the
- Observation period T counted, wherein the first, the expiry of the observation period T triggering excess is counted.
- the illustrated embodiment has a number of required violations of three. Thus, if three transgressions are detected in the observation period r , a roll is detected and a warning signal 10 is output. Be less than three transgressions in the
- Fig. 2 shows an example and schematically a
- Sectional view through a rail vehicle A section through a rail vehicle 3 transversely to the longitudinal direction in the region of a chassis 2 is shown. Between the chassis 2 and the car body 1, a left 4 and a right 5 air spring is arranged. Other components, such as
- damper are not shown in Fig. 2.
- the car body is also in another position
- the device comprises control device 11, a left pressure measuring device 6 for determining the
- Pressure measuring device 7 for determining the gas pressure in a right air spring 5.
- the in the pressure measuring devices 6, 7 transmit the measured gas pressures proportional signals and to a difference images 8 in the control device 11. The determined by the difference images 8
- Differential pressure signal ft * is forwarded to a logic 9, which executes the further method sections as they are given in the description of Fig.l.
- the logic 9 is set up to output a warning signal 10.
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- General Health & Medical Sciences (AREA)
- Mechanical Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Vehicle Body Suspensions (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ATA50952/2016A AT519121B1 (en) | 2016-10-20 | 2016-10-20 | Method and device for detecting a rolling motion of a rail vehicle car body relative to the chassis |
PCT/EP2017/076674 WO2018073331A1 (en) | 2016-10-20 | 2017-10-19 | Method and device for detecting roll motion of a rail vehicle car body relative to the bogie |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3487747A1 true EP3487747A1 (en) | 2019-05-29 |
EP3487747B1 EP3487747B1 (en) | 2020-08-05 |
Family
ID=60191363
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17791643.4A Active EP3487747B1 (en) | 2016-10-20 | 2017-10-19 | Method and device for detecting roll motion of a rail vehicle car body relative to the bogie |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP3487747B1 (en) |
CN (1) | CN109937167B (en) |
AT (1) | AT519121B1 (en) |
ES (1) | ES2827828T3 (en) |
WO (1) | WO2018073331A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP4360991A1 (en) * | 2022-10-31 | 2024-05-01 | Rumo Malha Sul S.A | System and method for detecting wagon sway |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL1008921C2 (en) * | 1998-04-17 | 1999-10-19 | Koni Bv | System for monitoring the operation of rotary or roll dampers. |
CN102009653B (en) * | 2010-11-10 | 2013-03-27 | 清华大学 | Wheel barycenter distortion angle observation method integrated with Kalman filtering and acceleration integral |
CN104395158B (en) * | 2012-06-21 | 2017-05-03 | 伊顿公司 | Predictive vehicle stability control method |
TW201412585A (en) * | 2012-09-18 | 2014-04-01 | Automotive Res & Testing Ct | Vehicle curved road rollover prevention system and method thereof |
JP5852036B2 (en) * | 2013-03-27 | 2016-02-03 | 株式会社日本自動車部品総合研究所 | In-vehicle device |
JP6128594B2 (en) * | 2013-05-29 | 2017-05-17 | 曙ブレーキ工業株式会社 | Derailment sign detection system, control device, derailment sign detection method, and derailment sign detection program |
CN104296722B (en) * | 2014-01-07 | 2017-11-14 | 郑州宇通客车股份有限公司 | Vehicle roll condition detection method |
EP2940440A1 (en) * | 2014-04-30 | 2015-11-04 | Bombardier Transportation GmbH | Identification of the presence of a potentially damaging resonant vibration state of a mechanical device |
JP2016101786A (en) * | 2014-11-27 | 2016-06-02 | 公益財団法人鉄道総合技術研究所 | Abnormal oscillation determination device, abnormal oscillation determination system and abnormal oscillation determination method |
CN104670249B (en) * | 2015-01-31 | 2017-04-19 | 北京华高世纪科技股份有限公司 | Motor train unit bogie instability detection device and realization method |
-
2016
- 2016-10-20 AT ATA50952/2016A patent/AT519121B1/en not_active IP Right Cessation
-
2017
- 2017-10-19 CN CN201780064510.7A patent/CN109937167B/en active Active
- 2017-10-19 WO PCT/EP2017/076674 patent/WO2018073331A1/en unknown
- 2017-10-19 ES ES17791643T patent/ES2827828T3/en active Active
- 2017-10-19 EP EP17791643.4A patent/EP3487747B1/en active Active
Also Published As
Publication number | Publication date |
---|---|
ES2827828T3 (en) | 2021-05-24 |
WO2018073331A1 (en) | 2018-04-26 |
CN109937167A (en) | 2019-06-25 |
AT519121B1 (en) | 2018-04-15 |
EP3487747B1 (en) | 2020-08-05 |
CN109937167B (en) | 2021-06-08 |
AT519121A4 (en) | 2018-04-15 |
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