EP0298888B1 - Data collecting and reading method for analysing the driving of a road vehicle - Google Patents
Data collecting and reading method for analysing the driving of a road vehicle Download PDFInfo
- Publication number
- EP0298888B1 EP0298888B1 EP19880450026 EP88450026A EP0298888B1 EP 0298888 B1 EP0298888 B1 EP 0298888B1 EP 19880450026 EP19880450026 EP 19880450026 EP 88450026 A EP88450026 A EP 88450026A EP 0298888 B1 EP0298888 B1 EP 0298888B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- recording
- parameters
- engine
- recorded
- recording medium
- 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.)
- Expired - Lifetime
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Classifications
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C5/00—Registering or indicating the working of vehicles
- G07C5/08—Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle or waiting time
- G07C5/0841—Registering performance data
- G07C5/0875—Registering performance data using magnetic data carriers
Definitions
- the present invention relates to a method for entering and reading successive sequential data on magnetic tape during the driving time of a road vehicle by a driver in order to allow, after reading, to modify and improve the behavior of the latter for the purpose of economy and security.
- said continuous recording being carried out either in a manner e graph on a disc or on a magnetic tape according to a sampling at constant and known rate, in constant and known data elements, all these devices do not allow the analysis of the driving of a vehicle in a rational way, they are intended to be used to define responsibilities during an accident.
- EP 0 045 461 discloses an electronic system for recording certain parameters of a vehicle on a magnetic medium. Like the previously mentioned devices, none of these recording systems allows rational analysis of the driving of a vehicle.
- the object of the invention is to overcome the drawbacks described above by proposing a particular method for entering and reading successive sequential data on a recording medium such as magnetic tape during the driving time of a road vehicle for the analysis of driving said vehicle consisting in simultaneously recording a set of parameters.
- the said five parameters being: the reference number corresponding to a frequency chosen according to a predetermined speed of a rotating member of the engine or accessory upstream of the clutch, the number of revolutions / second of a rotating member downstream of the gearbox, the braking action or not, the fuel supply or not and the time elapsed in seconds relative to the starting of the engine or when the recording medium is inserted into a recorder, the recording being caused by a change in the reference number or in the braking action or in the fuel supply, so that on reading said recording medium, the parameters entered make it possible to determine the ratio of the pinions engaged in the gearbox, the accelerations, in the case of use in engine braking, the decelerations, the entry braking action or not as well as that of the fuel supply.
- the elapsed minutes are recorded.
- the date, the hour, the minutes and seconds are recorded.
- the data entry and reading process is carried out for the analysis of the driving of a road vehicle by means of two transmitters, one mechanically connected to any member rotating in upstream of the clutch such as taking the engine tachometer and the other on any rotating member downstream of the gearbox such as taking the speedometer at the output of the gearbox on the transmission side in order to emit electrical pulses per revolution and two electrical contacts, one connected to the brake pedal, the other to the engine fuel supply, so that, depending on the variation in the number of pulses / second emitted each revolution of the account -tours dependent on the engine speed, said pulses when they pass over the frequency of one of the predetermined marks according to the engine speed cause sequential recording simultaneous five parameters on a recording medium such as magnetic tape, in particular the reference number corresponding to a predetermined engine speed, the number of revolutions / second of the transmission, the braking or non-braking benchmark, the benchmark of the fuel supply or non-fuel supply and the time elapsed in seconds in relation to starting the engine or inserting
- a recording medium such as magnetic
- the instantaneous recording on magnetic tape of the five parameters is broken down into five consecutive parts, in particular part 1 where a chosen reference number is inserted corresponding to a frequency and a predetermined engine speed, each pass of the engine speed on a frequency of one of the benchmarks generating the simultaneous recording of the five parameters, the benchmarks as a preferred choice break down as follows by way of example:
- Part 2 the instantaneous number of revolutions / second of the transmission, part 3 the braking action mark 1 or non-braking mark 0, part 4 the fuel supply mark 1 or not supply mark 0, part 5 the time elapsed in seconds with respect to the introduction into the recorder of the recording medium, the date, the hour, the minutes and seconds of the present time are immediately recorded during said introduction of the recording medium, intermediate between the 'recording of the sequences the elapsed minutes are recorded.
- FIG. 2 in order to illustrate a recording on magnetic tape, it is represented at the start of the tape or during the introduction of the tape into the recorder at 6, the date, the hour, the minutes and seconds then as soon as the engine turns a sequence is recorded, in 1 the mark 1 indicating that the engine turns between 300 revolutions / minute and 1200 revolutions / minute, in 2 the mark 0 indicating that the transmission does not turn, in 3 the mark 0 that the main brake is not in operation, in 4 mark 1 that the injection is in operation and in 5 mark 3 indicating that three seconds have passed since the introduction of the magnetic strip in the recorder, in second sequence in 1 mark 2 with the engine running between 1200 and 1400 rpm, in 2 the number 20 that the transmission rotates by 20 / 10th rpm, in 3 the mark 0 as already described, in 4 the mark 1 and at 5 mark 21 indicating that twenty-one seconds have passed are after the introduction of the magnetic tape and so on, as previously described minutes elapsed from the introduction of the magnetic tape 7 in register between two
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Time Recorders, Dirve Recorders, Access Control (AREA)
Description
La présente invention est relative à un procédé de saisie et lecture de données séquentielles successives sur bande magnétique durant le temps de conduite d'un véhicule routier par un chauffeur afin de permettre aprés lecture de modifier et améliorer le comportement de ce dernier dans un but d'économie et de sécurité.The present invention relates to a method for entering and reading successive sequential data on magnetic tape during the driving time of a road vehicle by a driver in order to allow, after reading, to modify and improve the behavior of the latter for the purpose of economy and security.
On connaît différents modes de saisie de données et lecture permettant au moyen de capteurs disposés pour mesurer le débit de la pompe à injection, connaître le rapport engagé de la boîte à vitesse, le régime du moteur, la vitesse du véhicule, l'intensité du freinage, etc..., qui reliés à un ou plusieurs calculateurs et/ou enregistreurs de données, d'aider à la conduite le chauffeur d'un véhicule, tel que décrit dans le brevet EP 007881 le chauffeur du véhicule est informé en permanence de maniére optique ou sonore de la meilleure sélection du rapport de la boîte à vitesses en fonction de la plage de régime du moteur, on connaît aussi par les brevets FR 2 200 997 et FR 2 232 805 un dispositif enregistreur continu d'actes ou gestes d'un chauffeur, tel que vitesse, freinage, change ment de direction, heures d'utilisation, longueur des trajets, etc... pour des raisons d'exploitation ou de réglementation, ledit enregistrement continu s'effectuant soit de maniére graphique sur un disque ou sur une bande magnétique selon un échantillonnage à cadence constante et connue, en éléments de données constantes et connues, tous ces dispositifs ne permettent pas l'analyse de la conduite d'un véhicule de manière rationnelle, ils sont destinés à être utilisés pour définir les responsabilités lors d'un accident.Different modes of data entry and reading are known which, by means of sensors arranged to measure the flow rate of the injection pump, know the gear ratio engaged, the engine speed, the vehicle speed, the intensity of the braking, etc ..., which connected to one or more computers and / or data recorders, to help the driver of a vehicle while driving, as described in patent EP 007881 the driver of the vehicle is constantly informed optically or audibly for the best selection of the gearbox ratio as a function of the engine speed range, the
On connaît également par US 3 792 445 un système d'enregistrement de données d'un vehicule qui prévoit l'enregistrement de paramètres sur une bande magnétique périodiquement ou à des intervalles de temps prédéterminés. Le mode d'enregistrement est réglé par une hostage indépendamment des conditions de fonctionnement du véhicule. Par ailleurs, on connaît par EP 0 045 461 un système électronique d'enregistrement de certains paramètres d'un véhicule sur un support magnétique. Comme les dispositifs mentionnés précédemment, aucun le ces systèmes d'enregistrement ne permet l'analyse rationnelle de la conduite d'un véhicule.Also known from US 3,792,445 is a vehicle data recording system which provides for the recording of parameters on a magnetic tape periodically or at predetermined time intervals. The recording mode is set by a hostage regardless of the operating conditions of the vehicle. Furthermore, EP 0 045 461 discloses an electronic system for recording certain parameters of a vehicle on a magnetic medium. Like the previously mentioned devices, none of these recording systems allows rational analysis of the driving of a vehicle.
L'invention a pour but de pallier aux inconvénients précédemment exposés en proposant un procédé particulier de saisie et lecture de données séquentielles successives sur un support d'enregistrement tel que bande magnétique durant le temps de conduite d'un véhicule routier pour l'analyse de la conduite dudit véhicule consistant à enregistrer simultanément un ensemble de paramètres.The object of the invention is to overcome the drawbacks described above by proposing a particular method for entering and reading successive sequential data on a recording medium such as magnetic tape during the driving time of a road vehicle for the analysis of driving said vehicle consisting in simultaneously recording a set of parameters.
Selon l'invention, pour chaque séquence, cinq paramètres sont enregistrés en parties consécutives, les dits cinq paramètres étant: le numéro de repère correspondant à une fréquence choisie selon un régime prédéterminé d'un organe tournant du moteur ou accessoire en amont de l'embrayage, le nombre de tours/seconde d'un organe tournant en aval de la boîte de vitesses, l'action de freinage ou non, l'alimentation ou non en carburant et le temps écoulé en secondes par rapport à la mise en route du moteur ou à l'introduction du support d'enregistrement dans un enregistreur, l'enregistrement étant provoqué par un changement du numéro de repère ou de l'action de freinage ou de l'alimentation en carburant, de telle sorte qu'à la lecture dudit support d'enregistrement, les paramètres inscrits permettent de déterminer le rapport des pignons engagés dans la boîte de vitesses, les accélérations, le cas d'une utilisation en frein moteur, les décélérations, l'inscription de l'action de freinage ou non ainsi que celle de l'alimentation en carburant.According to the invention, for each sequence, five parameters are recorded in consecutive parts, the said five parameters being: the reference number corresponding to a frequency chosen according to a predetermined speed of a rotating member of the engine or accessory upstream of the clutch, the number of revolutions / second of a rotating member downstream of the gearbox, the braking action or not, the fuel supply or not and the time elapsed in seconds relative to the starting of the engine or when the recording medium is inserted into a recorder, the recording being caused by a change in the reference number or in the braking action or in the fuel supply, so that on reading said recording medium, the parameters entered make it possible to determine the ratio of the pinions engaged in the gearbox, the accelerations, in the case of use in engine braking, the decelerations, the entry braking action or not as well as that of the fuel supply.
De préférence, intermédiairement entre l'enregistrement des séquences, les minutes écoulées sont enregistrées. Avantageusement, lors de l'introduction du support d'enregistrement dans l'enregistreur, le quantième, l'heure, les minutes et secondes sont enregistrées.Preferably, between the recording of the sequences, the elapsed minutes are recorded. Advantageously, during the introduction of the recording medium into the recorder, the date, the hour, the minutes and seconds are recorded.
Selon un mode particulier de realisation de l'invention, on réalise le procédé de saisie et lecture de données pour l'analyse de la conduite d'un véhicule routier au moyen de deux émetteurs, l'un branché mécaniquement sur tout organe en rotation en amont de l'embrayage tel que prise du compte-tours moteur et l'autre sur tout organe tournant en aval de la boîte de vitesses tel que la prise du compteur de vitesse en sortie de la boîte de vitesses côté transmission afin d'émettre des impulsions électriques par tour et deux contacts électriques, l'un relié à la pédale de freinage, l'autre sur l'alimentation en carburant du moteur, de sorte que suivant la variation du nombre d'impulsions/seconde émises à chaque tour du compte-tours dépendant du régime moteur lesdites impulsions lors de leur passage sur la fréquence d'un des repères prédéterminés selon le régime du moteur provoquent l'enregistrement séquen tiel simultané de cinq paramètres sur un support d'enregistrement tel que bande magnétique, notamment le numéro de repère correspondant à un régime prédéterminé du moteur, le nombre de tours/seconde de la transmission, le repère de freinage ou non freinage, le repère de l'alimentation en carburant ou la non alimentation et le temps écoulé en secondes par rapport à la mise en route du moteur ou l'introduction du support d'enregistrement dans l'enregistreur
De manière à parfaire l'analyse de la conduite du véhicule, tout chan gement de polarité du contact électrique relié à la pédale de freinage provoque systématiquement l'enregistrement des cinq paramètres indépendants du régime moteur.According to a particular embodiment of the invention, the data entry and reading process is carried out for the analysis of the driving of a road vehicle by means of two transmitters, one mechanically connected to any member rotating in upstream of the clutch such as taking the engine tachometer and the other on any rotating member downstream of the gearbox such as taking the speedometer at the output of the gearbox on the transmission side in order to emit electrical pulses per revolution and two electrical contacts, one connected to the brake pedal, the other to the engine fuel supply, so that, depending on the variation in the number of pulses / second emitted each revolution of the account -tours dependent on the engine speed, said pulses when they pass over the frequency of one of the predetermined marks according to the engine speed cause sequential recording simultaneous five parameters on a recording medium such as magnetic tape, in particular the reference number corresponding to a predetermined engine speed, the number of revolutions / second of the transmission, the braking or non-braking benchmark, the benchmark of the fuel supply or non-fuel supply and the time elapsed in seconds in relation to starting the engine or inserting the recording medium into the recorder
In order to perfect the analysis of vehicle driving, any change in polarity of the electrical contact connected to the brake pedal systematically causes the recording of the five independent engine speed parameters.
D'autres caractéristiques et avantages de l'invention ressortiront plus clairement de la description qui va suivre faite en regard des schémas joints donnés à titre d'exemple non limitatifs, où :
- la figure 1 est la découpe séquentielle instantanée des cinq paramètres,
- la figure 2, l'enregistrement des paramètres en cours d'utilisation.
- FIG. 1 is the instantaneous sequential cutting of the five parameters,
- FIG. 2, the recording of the parameters in use.
Tel que représenté figure 1, l'enregistrement instantané sur bande magnétique des cinq paramètres se décompose en cinq parties consécutives, notamment la partie 1 où s'insère un numéro de repère choisi correspondant à une fréquence et à un régime prédéterminé du moteur, chaque passage du régime moteur sur une fréquence d'un des repères engendrant l'inscription simultanée des cinq paramètres, les repères à titre de choix préférentiel se décomposent comme suit à titre d'exemple :
La partie 2 le nombre de tours/seconde instantané de la transmission, la partie 3 l'action de freinage repère 1 ou non freinage repère 0, la partie 4 l'alimentation en carburant repère 1 ou non alimentation repère 0, la partie 5 le temps écoulé en secondes par rapport à l'introduction dans l'enregistreur du support d'enregistrement, le quantième, l'heure, les minutes et secondes du temps présent sont inscrites immédiatement lors de ladite introduction du support d'enregistrement, intermédiairement entre l'enregistrement des séquences les minutes écoulées sont enregistrées.
Tel que représenté figure 2, afin d'illustrer un enregistrement sur bande magnétique, il est représenté en début de bande ou lors de l'introduction de la bande dans l'enregistreur en 6, le quantième, l'heure, les minutes et secondes puis dès que le moteur tourne une séquence s'enregistre, en 1 le repère 1 indiquant que le moteur tourne entre 300 tours/minute et 1200 tours/minute, en 2 le repère 0 indiquant que la transmission ne tourne pas, en 3 le repère 0 que le frein principal n'est pas en fonction, en 4 repère 1 que l'injection est en fonction et en 5 le repère 3 indiquant qu'il s'est écoulé trois secondes depuis l'introduction de la bande magnétique dans l'enregistreur, en deuxième séquence en 1 le repère 2 le moteur tournant entre 1200 et 1400 tours/minute , en 2 le chiffre 20 que la transmission tourne de 20/10ème tours/seconde, en 3 le repère 0 comme déjà décrit, en 4 le repère 1 et en 5 le repère 21 indiquant que vingt et une secondes se sont écoulées après l'introduction de la bande magnétique et ainsi de suite, comme précédemment décrit les minutes écoulées à compter de l'introduction de la bande magnétique s'inscrivent en 7 entre deux séquences.As shown in FIG. 2, in order to illustrate a recording on magnetic tape, it is represented at the start of the tape or during the introduction of the tape into the recorder at 6, the date, the hour, the minutes and seconds then as soon as the engine turns a sequence is recorded, in 1 the
Il va de soi que les paramètres inscrits successivement sur la bande et lors de la lecture de cette dernière permettent de déterminer aisément, le rapport des pignons engagés de la boîte de vitesses et de ce fait les accélérations, les cas d'une utilisation en frein moteur et toutes décélérations, l'inscription de l'action de freinage ou non ainsi que celle de l'alimentation en carburant, les deux derniers enregistrements et/ou paramètres permettent d'analyser les paramètres précédents.It goes without saying that the parameters written successively on the belt and when reading the latter make it possible to easily determine, the ratio of the engaged pinions of the gearbox and therefore the accelerations, the cases of use in brake engine and all decelerations, the recording of the braking action or not as well as that of the fuel supply, the last two recordings and / or parameters make it possible to analyze the previous parameters.
Claims (4)
- Method for collecting and reading successive sequential data on a recording medium such as a magnetic tape during the time of driving a road vehicle for analysing the driving of the said vehicle, consisting in simultaneously recording a set of parameters, characterised in that, for each sequence, five parameters are recorded in consecutive parts, the said five parameters being: the reference number corresponding to a frequency chosen according to a predetermined speed of a rotating member of the engine or an accessory upstream of the clutch, the number of revolutions per second Of a rotating member downstream of the gearbox, the action of braking or not, the supply or not with fuel and the elapsed time in seconds in relation to the Starting of the engine or to the introduction of the recording medium into a recorder, the recording being caused by a change in the reference number or in the action of braking or in the fuel supply, such that, on reading the said recording medium, the recorded parameters enable the ratio of the gears engaged in the gearbox, the accelerations, the event of an engine-brake use, the decelerations, the recording of the action of braking or not and that of the fuel supply are determined.
- Method according to Claim 1, characterised in that intermediately between the recording of the sequences, the elapsed minutes are recorded.
- Method according to Claim 1, characterised in that during the introduction of the recording medium into the recorder, the date, the hour, the minutes and seconds are recorded.
- Method according to one of the preceding claims, characterised in that two emitters mechanically connected, one to the rotating member upstream of the clutch and the other to the rotating member downstream of the gearbox, and two electrical contacts connected, one to the brake pedal and the other to the fuel supply of the engine, are used.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8709982A FR2618005B1 (en) | 1987-07-07 | 1987-07-07 | METHOD OF INPUT AND READING OF DATA FOR THE ANALYSIS OF THE DRIVING OF A ROAD VEHICLE |
| FR8709982 | 1987-07-07 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0298888A1 EP0298888A1 (en) | 1989-01-11 |
| EP0298888B1 true EP0298888B1 (en) | 1992-10-21 |
Family
ID=9353151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP19880450026 Expired - Lifetime EP0298888B1 (en) | 1987-07-07 | 1988-07-06 | Data collecting and reading method for analysing the driving of a road vehicle |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0298888B1 (en) |
| DE (1) | DE3875405T2 (en) |
| ES (1) | ES2036277T3 (en) |
| FR (1) | FR2618005B1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4338073C2 (en) * | 1993-11-08 | 2003-07-24 | Daimler Chrysler Ag | Method and device for evaluating the driving style with a motor vehicle |
| DE4420469A1 (en) * | 1994-06-13 | 1995-12-14 | Zeltner Stefan Dipl Ing Fh | Determn. and evaluation of road vehicle driver behaviour |
| DE19510539C1 (en) * | 1995-03-23 | 1996-10-17 | Siemens Ag | Process for storing process signals of a technical system |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2146111C3 (en) * | 1971-03-04 | 1974-04-25 | Veb Kombinat Mess- Und Regelungstechnik, X 4500 Dessau | Method and device for registering operating status information of a vehicle on a multi-track magnetic tape |
| NL7112273A (en) * | 1971-09-06 | 1973-03-08 | ||
| US3792445A (en) * | 1972-12-01 | 1974-02-12 | Mark & Son Ltd | Vehicle data recording system |
| US4067061A (en) * | 1975-03-18 | 1978-01-03 | Rockwell International Corporation | Monitoring and recording system for vehicles |
| ES493920A0 (en) * | 1980-08-01 | 1981-04-01 | Alarcon Palencia Luis | ELECTRONIC CAPTURE AND DATA RECORDING SYSTEM ON MAGNETIC SO-PORTE FOR CONTROL |
| EP0177020B1 (en) * | 1984-10-03 | 1991-06-05 | Shin Caterpillar Mitsubishi Ltd. | System for recording operation data of a work machine |
-
1987
- 1987-07-07 FR FR8709982A patent/FR2618005B1/en not_active Expired
-
1988
- 1988-07-06 EP EP19880450026 patent/EP0298888B1/en not_active Expired - Lifetime
- 1988-07-06 DE DE19883875405 patent/DE3875405T2/en not_active Expired - Fee Related
- 1988-07-06 ES ES88450026T patent/ES2036277T3/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| FR2618005A1 (en) | 1989-01-13 |
| DE3875405D1 (en) | 1992-11-26 |
| FR2618005B1 (en) | 1989-12-01 |
| DE3875405T2 (en) | 1993-05-19 |
| EP0298888A1 (en) | 1989-01-11 |
| ES2036277T3 (en) | 1993-05-16 |
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