JPS57199481A - Method and apparatus for measuring distance between car - Google Patents
Method and apparatus for measuring distance between carInfo
- Publication number
- JPS57199481A JPS57199481A JP8445981A JP8445981A JPS57199481A JP S57199481 A JPS57199481 A JP S57199481A JP 8445981 A JP8445981 A JP 8445981A JP 8445981 A JP8445981 A JP 8445981A JP S57199481 A JPS57199481 A JP S57199481A
- Authority
- JP
- Japan
- Prior art keywords
- car
- speed
- distance
- time interval
- ahead
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P1/00—Arrangements for starting electric motors or dynamo-electric converters
- H02P1/16—Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
- Traffic Control Systems (AREA)
Abstract
PURPOSE:To calculate the distance between a car ahead and a following car by multiplying the time interval of the passage of the same point of the car ahead and the following car measured by a car speed measuring device mounted to the side section of a road and the speed of traveling of the following car. CONSTITUTION:Sensor boxes 3, 3', two thereof are paired, incorporating Doppler sensors are mounted at regular intervals l along the guard rail of the side section of the road. A pre-treatment device 19 gives a recorder 20 the detecting signals of approaching moving car bodies 8 outputted from each Doppler sensor. An arithmetical device 21 arithmetically operates car speed V=l/t on the basis of the time interval t of the detecting signals from the adjacent Doppler sensors, arithmetically operates the distance between the car ahead and the following car on the basis of the time interval T of the passage of the same point and the car speed V, and supplies the value to a display device 22 and a printer 23. Accordingly, the car speed of traveling cars and the distance between the cars can automatically be measured and recorded continuously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8445981A JPS57199481A (en) | 1981-06-03 | 1981-06-03 | Method and apparatus for measuring distance between car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8445981A JPS57199481A (en) | 1981-06-03 | 1981-06-03 | Method and apparatus for measuring distance between car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS57199481A true JPS57199481A (en) | 1982-12-07 |
Family
ID=13831204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8445981A Pending JPS57199481A (en) | 1981-06-03 | 1981-06-03 | Method and apparatus for measuring distance between car |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57199481A (en) |
-
1981
- 1981-06-03 JP JP8445981A patent/JPS57199481A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2102140A1 (en) | Wayside Monitoring of the Angle-of-Attack of Railway Vehicle Wheelsets | |
| FI860938A0 (en) | PASSIVSPAORSYSTEM FOER FOERNING OCH STYRNING AV EN FOERARLOES TRANSPORT- OCH MONTAGEENHET. | |
| DE3880682D1 (en) | METHOD AND DEVICE FOR MEASURING RELATIVE COURSE CHANGES IN A VEHICLE ON-BOARD NAVIGATION SYSTEM. | |
| GB1370165A (en) | Process and apparatus for controlling vehicles moving in succ ession along a track | |
| ES8703632A1 (en) | Turbine blade vibration detection apparatus. | |
| ES8203125A1 (en) | Measuring apparatus for rail head running surface irregularities | |
| ATE510746T1 (en) | DEVICE FOR MEASURING THE MOTION OF A SELF-DRIVEN VEHICLE | |
| GB1203685A (en) | Improvements in velocity measuring system | |
| ATE217078T1 (en) | METHOD AND DEVICE FOR MEASURING EXTERNAL DIMENSIONS AND CENTER OF GRAVITY OF A PACKAGING | |
| JPS57199481A (en) | Method and apparatus for measuring distance between car | |
| EP0364088A3 (en) | Wheel diameter calibration for a railway vehicle | |
| YU70579A (en) | Device for measuring the distance and the velocity at railroad or tramway vehicles | |
| GB1326986A (en) | Method and device for detection of rail vehicle wheels having damaged contact surfaces | |
| FR2002313A1 (en) | METHOD AND DEVICE FOR MEASURING THE DISTANCE TAKEN BY A GUIDED JOURNEY VEHICLE, FOR EXAMPLE RAILWAY OR THE LIKE | |
| JPS54100772A (en) | Measuring element especially for device for measuring wheel pressure of car travelling on rail | |
| JPS5486110A (en) | Fixed-point stop controller of car | |
| SE8101088L (en) | SPEED INDEPENDENT SYSTEM FOR DETERMINING A PRIOR SELECTED NUMBER OF FORMAL INFORMATION, WHICH REMAINS A LONG TIME | |
| RU2110803C1 (en) | Device for measurement of motion speed of railway transport facility | |
| JPS5723501A (en) | Device for measuring accuracy in stopping moving body | |
| ZA745977B (en) | Travelling apparatus for continuous measurement of the resistance of a railway track to lateral thrust widening the track gauge | |
| GB1415720A (en) | Method for the measurement of distance travelled by a rail vehicle | |
| SU119703A1 (en) | The method of determining the dynamic interaction of the track and rolling stock by force factors and the device for implementing the method | |
| RU96100645A (en) | METHOD FOR DETERMINING RAIL VEHICLE TRAFFIC SPEED AND DEVICE FOR ITS IMPLEMENTATION | |
| JP6710630B2 (en) | Orbit inspection method and device | |
| GB1492673A (en) | Apparatus for measuring the speed of a rail-mounted wheeled vehicle |