FR2231971A1 - - Google Patents
Info
- Publication number
- FR2231971A1 FR2231971A1 FR7346823A FR7346823A FR2231971A1 FR 2231971 A1 FR2231971 A1 FR 2231971A1 FR 7346823 A FR7346823 A FR 7346823A FR 7346823 A FR7346823 A FR 7346823A FR 2231971 A1 FR2231971 A1 FR 2231971A1
- Authority
- FR
- France
- Prior art keywords
- error
- capacitor
- speed
- developed
- vehicle
- 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
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
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/10—Indicating wheel slip ; Correction of wheel slip
-
- 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
- B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
- B60T8/17—Using electrical or electronic regulation means to control braking
- B60T8/171—Detecting parameters used in the regulation; Measuring values used in the regulation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
- G01P3/42—Devices characterised by the use of electric or magnetic means
- G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
- G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
- G01P3/4802—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage by using electronic circuits in general
- G01P3/4805—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage by using electronic circuits in general by using circuits for the electrical integration of the generated pulses
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Power Engineering (AREA)
- Control Of Velocity Or Acceleration (AREA)
- Controls For Constant Speed Travelling (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US364298A US3867647A (en) | 1973-05-29 | 1973-05-29 | Analog speed detector |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2231971A1 true FR2231971A1 (fr) | 1974-12-27 |
FR2231971B1 FR2231971B1 (fr) | 1978-03-24 |
Family
ID=23433889
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7346823A Expired FR2231971B1 (fr) | 1973-05-29 | 1973-12-28 |
Country Status (10)
Country | Link |
---|---|
US (1) | US3867647A (fr) |
JP (1) | JPS5017685A (fr) |
BR (1) | BR7404228D0 (fr) |
CA (1) | CA1021858A (fr) |
CH (1) | CH586395A5 (fr) |
DE (1) | DE2402448A1 (fr) |
FR (1) | FR2231971B1 (fr) |
GB (1) | GB1422458A (fr) |
IT (1) | IT1009739B (fr) |
SE (1) | SE387747B (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2508854A1 (fr) * | 1981-07-02 | 1983-01-07 | Westinghouse Electric Corp | Appareil et procede de commande de la propulsion d'un vehicule a propulsion electrique |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3988599A (en) * | 1975-02-03 | 1976-10-26 | Wagner Electric Corporation | Signal processing circuit suitable for wheel slip control system for automotive vehicles and the like |
JPS5222870A (en) * | 1975-08-14 | 1977-02-21 | Matsushita Electric Ind Co Ltd | Frequency-voltage converter unit |
US4166248A (en) * | 1977-11-25 | 1979-08-28 | Ford Motor Company | Sample and hold frequency to voltage converter circuit |
US4234922A (en) * | 1979-03-07 | 1980-11-18 | Sab Harmon Industries, Inc. | Automatic locomotive speed control |
JPS5692607A (en) * | 1979-12-26 | 1981-07-27 | Hitachi Ltd | Frequency discriminating circuit |
US4282967A (en) * | 1980-01-17 | 1981-08-11 | Maxi-Tronic, Inc. | Grain elevator controls |
US4401035A (en) * | 1980-07-03 | 1983-08-30 | Kansas City Southern Railway Company | Control device for multiple unit locomotive systems |
JPS58119789A (ja) * | 1982-01-06 | 1983-07-16 | Hitachi Ltd | モ−タ制御装置 |
DE3540708A1 (de) * | 1985-11-16 | 1987-05-21 | Bosch Gmbh Robert | Antriebsschlupfregelsystem |
US5225749A (en) * | 1990-09-26 | 1993-07-06 | Mitsubishi Denki Kabushiki Kaisha | System for controlling the rotational speed of a rotary member |
DE4446535B4 (de) * | 1994-12-24 | 2004-11-11 | Robert Bosch Gmbh | Schaltungsanordnung zur Amplitudenmessung |
US5744950A (en) * | 1996-05-09 | 1998-04-28 | Ssi Technologies, Inc. | Apparatus for detecting the speed of a rotating element including signal conditioning to provide a fifty percent duty cycle |
JP3491577B2 (ja) * | 1999-10-27 | 2004-01-26 | 株式会社デンソー | 回転角検出装置 |
CN104483505A (zh) * | 2014-11-11 | 2015-04-01 | 珠海天琴信息科技有限公司 | 一种获取车辆行驶速度的方法及装置 |
CN114441182A (zh) * | 2020-11-02 | 2022-05-06 | 北京三快在线科技有限公司 | 一种轮速模拟检测电路及轮速检测装置 |
CN113640547A (zh) * | 2021-07-29 | 2021-11-12 | 西安航空制动科技有限公司 | 一种机轮速度传感器故障检测装置及检测方法 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3553597A (en) * | 1968-02-12 | 1971-01-05 | Sierra Research Corp | F.m. to p.a.m. converter |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3333109A (en) * | 1963-11-22 | 1967-07-25 | Ampex | Means for converting an input signal to a representative voltage |
US3414735A (en) * | 1965-12-03 | 1968-12-03 | Conductron Corp | Variable time constant learning means |
US3581217A (en) * | 1968-11-05 | 1971-05-25 | Wayne R Isaacs | Frequency to direct current converter circuit |
GB1249523A (en) * | 1969-04-23 | 1971-10-13 | Standard Telephones Cables Ltd | Frequency biased ratemeter |
US3590277A (en) * | 1969-05-07 | 1971-06-29 | Westinghouse Electric Corp | Fast response frequency and wave shape measuring circuit |
GB1281984A (en) * | 1970-03-07 | 1972-07-19 | Marconi Instruments Ltd | Improvements in or relating to peak detection circuits |
FR2135052B1 (fr) * | 1971-05-04 | 1974-03-08 | Dba |
-
1973
- 1973-05-29 US US364298A patent/US3867647A/en not_active Expired - Lifetime
- 1973-12-06 CA CA187,550A patent/CA1021858A/fr not_active Expired
- 1973-12-20 GB GB5901973A patent/GB1422458A/en not_active Expired
- 1973-12-25 JP JP49004402A patent/JPS5017685A/ja active Pending
- 1973-12-28 FR FR7346823A patent/FR2231971B1/fr not_active Expired
-
1974
- 1974-01-18 DE DE2402448A patent/DE2402448A1/de not_active Withdrawn
- 1974-03-08 CH CH330474A patent/CH586395A5/xx not_active IP Right Cessation
- 1974-03-19 SE SE7403636A patent/SE387747B/xx not_active IP Right Cessation
- 1974-04-09 IT IT21091/74A patent/IT1009739B/it active
- 1974-05-23 BR BR4228/74A patent/BR7404228D0/pt unknown
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3553597A (en) * | 1968-02-12 | 1971-01-05 | Sierra Research Corp | F.m. to p.a.m. converter |
Non-Patent Citations (1)
Title |
---|
REVUE GB "ELECTRONIC ENGINEERING", VOL, 26, NOVEMBRE 1954, N 321, PAGES 469 A 474, A.M. ANDREW ET AL:A PULSE-INTERVAL METER FOR MEASURING PULSE REPETITION FREQUENCY".) * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2508854A1 (fr) * | 1981-07-02 | 1983-01-07 | Westinghouse Electric Corp | Appareil et procede de commande de la propulsion d'un vehicule a propulsion electrique |
Also Published As
Publication number | Publication date |
---|---|
BR7404228D0 (pt) | 1975-01-07 |
FR2231971B1 (fr) | 1978-03-24 |
GB1422458A (en) | 1976-01-28 |
CA1021858A (fr) | 1977-11-29 |
SE387747B (sv) | 1976-09-13 |
US3867647A (en) | 1975-02-18 |
DE2402448A1 (de) | 1974-12-19 |
AU6668474A (en) | 1975-09-18 |
SE7403636L (fr) | 1974-12-02 |
CH586395A5 (fr) | 1977-03-31 |
IT1009739B (it) | 1976-12-20 |
JPS5017685A (fr) | 1975-02-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |