CN111141201A - Real-time synchronous detection method for transverse displacement and included angle of through passage of railway vehicle - Google Patents
Real-time synchronous detection method for transverse displacement and included angle of through passage of railway vehicle Download PDFInfo
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- CN111141201A CN111141201A CN201911167363.3A CN201911167363A CN111141201A CN 111141201 A CN111141201 A CN 111141201A CN 201911167363 A CN201911167363 A CN 201911167363A CN 111141201 A CN111141201 A CN 111141201A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/0025—Measuring of vehicle parts
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/30—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring angles or tapers; for testing the alignment of axes
Abstract
The invention discloses a real-time synchronous detection method for transverse displacement and included angle of a through passage of a railway vehicle.
Description
Technical Field
The invention belongs to the field of through passages of railway vehicles, and particularly relates to a method for measuring transverse displacement and included angle of through passages.
Background
The measurement of the transverse displacement and the included angle of the through passage of the railway vehicle is currently simulated and measured through a test bed, and the test bed cannot truly reflect the motion state of the vehicle in real time, so that the influence of shaking and nodding on the transverse displacement and the included angle of the through passage in the motion process of the vehicle is hardly reflected.
Disclosure of Invention
The purpose of the invention is as follows: in view of the existing problems and disadvantages, the present invention provides a real-time synchronous detection method for lateral displacement and included angle of a through passage of a rail vehicle, which can calculate and obtain vehicle state information such as lateral displacement and deflection included angle of a vehicle in real time, and provide guarantee for safe driving of the vehicle.
The technical scheme is as follows: in order to achieve the purpose, the invention adopts the technical scheme that: a real-time synchronous detection method for transverse displacement and included angle of a through passage of a railway vehicle comprises the following steps:
firstly, four displacement sensors, namely a first displacement sensor LVDT1, a second displacement sensor LVDT2, a third displacement sensor LVDT3 and a fourth displacement sensor LVDT4 are sequentially and respectively arranged at four corners of an ith through passage of the railway vehicle in a clockwise direction, and the distance between the connecting line of the first displacement sensor LVDT1 and the connecting line of the second displacement sensor LVDT2 is the transverse distance L of the through passage of the vehicle5，
Then, obtaining a real-time through passage included angle YAW of the through passage of the railway vehicle through the formula (1)i，
In the formula, L1Is the diagonal distance, L, of the first displacement transducer LVDT1 and the third displacement transducer LVDT32Is the diagonal distance, L, of the second displacement sensor LVDT2 and the fourth displacement sensor LVDT43Distance, L, between the second displacement sensor LVDT2 and the third displacement sensor LVDT34Distance of the third displacement sensor LVDT3 and the fourth displacement sensor LVDT 4;
real-time transverse displacement LD of a through passage of the railway vehicle is obtained through the formula (2),
furthermore, the displacement sensor is respectively arranged on each through passage of the rail vehicle, the deflection angle YAW of the whole rail vehicle is obtained through the following formula (3),
in the formula, N is the number of through passages of the railway vehicle.
Has the advantages that: compared with the prior art, the invention measures the relative position change of four corners of the through passage by using the displacement sensors, acquires the numerical value of each displacement sensor by using the data acquisition instrument, further calculates the transverse displacement and the included angle of the through passage, calculates and obtains the vehicle state information in real time, and provides guarantee for the safe driving of the vehicle.
Drawings
Fig. 1 is a schematic diagram of a method for real-time synchronous detection of lateral displacement and included angle of a through passage of a railway vehicle according to the present invention.
Detailed Description
The present invention is further illustrated by the following figures and specific examples, which are to be understood as illustrative only and not as limiting the scope of the invention, which is to be given the full breadth of the appended claims and any and all equivalent modifications thereof which may occur to those skilled in the art upon reading the present specification.
As shown in FIG. 1, the invention discloses a real-time synchronous detection method for transverse displacement and included angle of a through passage of a railway vehicle, which comprises the following steps: firstly, four displacement sensors, namely a first displacement sensor LVDT1, a second displacement sensor LVDT2, a third displacement sensor LVDT3 and a fourth displacement sensor LVDT4 are sequentially and respectively arranged at four corners of an ith through passage of the railway vehicle in a clockwise direction, and the distance between the connecting line of the first displacement sensor LVDT1 and the connecting line of the second displacement sensor LVDT2 is the transverse distance L of the through passage of the vehicle5，
Then, the included angle α of the first displacement sensor LVDT1 and the fourth displacement sensor LVDT4 relative to the third displacement sensor LVDT3 is calculated respectively,
and the angle β of the second displacement transducer LVDT2 and the third displacement transducer LVDT3 relative to the third four displacement transducer LVDT4,
and finally, calculating to obtain a real-time through passage included angle YAW of the through passage of the railway vehiclei，
YAWi＝α-β (1)
In the formula, L1Is the diagonal distance, L, of the first displacement transducer LVDT1 and the third displacement transducer LVDT32Is the diagonal distance, L, of the second displacement sensor LVDT2 and the fourth displacement sensor LVDT43Distance, L, between the second displacement sensor LVDT2 and the third displacement sensor LVDT34Distance of the third displacement sensor LVDT3 and the fourth displacement sensor LVDT 4;
then, the included angle γ of the first displacement sensor LVDT1 and the fourth displacement sensor LVDT4 relative to the first displacement sensor LVDT1 is calculated,
then, real-time transverse displacement LD of the through passage of the rail vehicle is obtained through the formula (2),
LD＝L4×cosγ (2)。
furthermore, the displacement sensor is respectively arranged on each through passage of the rail vehicle, the deflection angle YAW of the whole rail vehicle is obtained through the following formula (3),
Claims (2)
1. a real-time synchronous detection method for transverse displacement and included angle of a through passage of a railway vehicle is characterized by comprising the following steps:
firstly, four displacement sensors, namely a first displacement sensor LVDT1, a second displacement sensor LVDT2, a third displacement sensor LVDT3 and a fourth displacement sensor LVDT4 are sequentially and respectively arranged at four corners of an ith through passage of the railway vehicle in a clockwise direction, and the distance between the connecting line of the first displacement sensor LVDT1 and the connecting line of the second displacement sensor LVDT2 is the transverse distance L of the through passage of the vehicle5，
Then, obtaining a real-time through passage included angle YAW of the through passage of the railway vehicle through the formula (1)i，
In the formula, L1Is the diagonal distance, L, of the first displacement transducer LVDT1 and the third displacement transducer LVDT32Is the diagonal distance, L, of the second displacement sensor LVDT2 and the fourth displacement sensor LVDT43Distance, L, between the second displacement sensor LVDT2 and the third displacement sensor LVDT34Distance of the third displacement sensor LVDT3 and the fourth displacement sensor LVDT 4;
real-time transverse displacement LD of a through passage of the railway vehicle is obtained through the formula (2),
2. the real-time synchronous detection method for the transverse displacement and the included angle of the through passage of the railway vehicle as claimed in claim 1, characterized in that: the displacement sensor is respectively arranged on each through passage of the rail vehicle, the deflection angle YAW of the whole rail vehicle is obtained through the following formula (3),
in the formula, N is the number of through passages of the railway vehicle.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911167363.3A CN111141201B (en) | 2019-11-25 | 2019-11-25 | Real-time synchronous detection method for transverse displacement and included angle of through passage of railway vehicle |
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| CN201911167363.3A CN111141201B (en) | 2019-11-25 | 2019-11-25 | Real-time synchronous detection method for transverse displacement and included angle of through passage of railway vehicle |
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| CN111141201A true CN111141201A (en) | 2020-05-12 |
| CN111141201B CN111141201B (en) | 2022-03-25 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1367747A (en) * | 1999-06-09 | 2002-09-04 | 勃姆巴迪尔运输有限公司 | Connection for floor covering in doorway and transitional areas of vehicles, in particular, of rail vehicles |
| CN204488804U (en) * | 2015-01-14 | 2015-07-22 | 今创集团股份有限公司 | Composite material run-through channel side guard plate |
| US20160231347A1 (en) * | 2013-10-29 | 2016-08-11 | Schaeffler Technologies AG & Co. KG | Sensor system for rotational speed measurement having a pole wheel with a linearized magnetic field |
| CN108318262A (en) * | 2018-01-10 | 2018-07-24 | 株洲联诚集团控股股份有限公司 | A kind of movement simulator stand of tramcar articulated mounting and run-through channel |
| EP3368863A1 (en) * | 2015-11-24 | 2018-09-05 | Allegro MicroSystems, LLC | Methods and apparatus for phase offset selection in ring magnet sensing |
| CN108639093A (en) * | 2018-05-17 | 2018-10-12 | 中车株洲电力机车研究所有限公司 | Self- steering virtual rail train car body articulated mounting and rotation angle control method |
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2019
- 2019-11-25 CN CN201911167363.3A patent/CN111141201B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1367747A (en) * | 1999-06-09 | 2002-09-04 | 勃姆巴迪尔运输有限公司 | Connection for floor covering in doorway and transitional areas of vehicles, in particular, of rail vehicles |
| US20160231347A1 (en) * | 2013-10-29 | 2016-08-11 | Schaeffler Technologies AG & Co. KG | Sensor system for rotational speed measurement having a pole wheel with a linearized magnetic field |
| CN204488804U (en) * | 2015-01-14 | 2015-07-22 | 今创集团股份有限公司 | Composite material run-through channel side guard plate |
| EP3368863A1 (en) * | 2015-11-24 | 2018-09-05 | Allegro MicroSystems, LLC | Methods and apparatus for phase offset selection in ring magnet sensing |
| CN108318262A (en) * | 2018-01-10 | 2018-07-24 | 株洲联诚集团控股股份有限公司 | A kind of movement simulator stand of tramcar articulated mounting and run-through channel |
| CN108639093A (en) * | 2018-05-17 | 2018-10-12 | 中车株洲电力机车研究所有限公司 | Self- steering virtual rail train car body articulated mounting and rotation angle control method |
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Address after: No. 69 Mengxi Road, Wuhu Economic and Technological Development Zone, Wuhu City, Anhui Province, 241000 Applicant after: CRRC Puzhen Alstom Transportation System Co.,Ltd. Address before: No. 69 Mengxi Road, Wuhu Economic and Technological Development Zone, Wuhu City, Anhui Province, 241000 Applicant before: CRRC PUZHEN BOMBARDIER TRANSPORTATION SYSTEMS CO.,LTD. |
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