EP0708427B1 - Système de commande et de gestion d'une flotte de véhicules - Google Patents
Système de commande et de gestion d'une flotte de véhicules Download PDFInfo
- Publication number
- EP0708427B1 EP0708427B1 EP95830435A EP95830435A EP0708427B1 EP 0708427 B1 EP0708427 B1 EP 0708427B1 EP 95830435 A EP95830435 A EP 95830435A EP 95830435 A EP95830435 A EP 95830435A EP 0708427 B1 EP0708427 B1 EP 0708427B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- data
- vehicle
- vehicles
- ground
- central box
- 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
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/123—Traffic control systems for road vehicles indicating the position of vehicles, e.g. scheduled vehicles; Managing passenger vehicles circulating according to a fixed timetable, e.g. buses, trains, trams
- G08G1/127—Traffic control systems for road vehicles indicating the position of vehicles, e.g. scheduled vehicles; Managing passenger vehicles circulating according to a fixed timetable, e.g. buses, trains, trams to a central station ; Indicators in a central station
Definitions
- This invention relates to a system for control and management of a fleet of vehicles comprising an equipment to be mounted on-board of a vehicle and adapted to collect data furnished by a set of sensors provided on the vehicle and a ground station having means for transmitting ground data to the vehicles and for receiving from the vehicles the data collected during the service.
- the invention concerns a novel information collecting system adapted to integrate all necessary parameters for controlling and managing a fleet of motor vehicles for transport of passengers in urban and extra-urban areas, as well as for displaying this information to the public.
- This project is aimed at collecting, analyzing and sorting all typical operation parameters of the concerned motor vehicles, all service managing parameters and any other productivity related parameters.
- the instruments implemented in stable steady state conditions will form an analytical base adapted to continuously furnish in real time all necessary data upon which the daily control of the whole fleet can be based.
- a vehicle monitoring system having both an arrangement installed within a vehicle for collecting and storing information regarding the vehicle itself and the vehicle operator, and a base station or ground station for communicating with the vehicles in order to receive the collected information and optimise the maintenance of the vehicle.
- the known vehicle monitoring system comprises interface modules for transmitting messages to and for receiving messages from the driver of the vehicle.
- the known system does not provide an integrated and flexible vehicle monitoring system for automatically collecting information over a geographic communications network and dynamically managing information related to running parameters, like waiting time, type of the vehicle approximating etc., in order to keep aware users inside and outside of the vehicle of the above running parameters.
- the system according to this invention solves problems that had not even been tackled by the prior art.
- a further specific object of this invention is to provide a system comprising various apparatuses installed on-board of vehicles for overviewing and constantly controlling the operation parameters of all installed, both main and auxiliary devices (engine, course indicators, obliteration devices, gear-box operators, contamination indicators, and so on) and, upon utilization of all collected information, for vehiclerying out an information service in real time for the users. All collected data items are automatically transmitted, on returning back to the garage, to a ground based system which handles and analyzes them in real time.
- main and auxiliary devices engine, course indicators, obliteration devices, gear-box operators, contamination indicators, and so on
- a system is provided, based upon a geographical network, for detecting the passage of the vehicles at the bus-stops and for processing this information in order to compute the waiting times at the other bus-stops along the run course.
- the system according to this invention enables the vehicles to be managed according to real criteria of preventive maintainance and with a vehicleefully timed frequency so as to prevent severe failures from occurring as well as to reduce the inactivity times of the vehicles for maintainance purposes; this invention additionally enables an informative system to be realized, based upon statistical data generated in the field and integrated (amended) with any real time data coming from the territory.
- Advantageous effects resulting from adoption of a system according to this invention are related to noticeably reducing the environmental pollution, increasing the throughput, improving the relationships with the users and with the operation personnel, optimizing the services.
- the system according to this invention is adapted to receive, to evaluate and to process a large number of data items, including not only all data relating to the controlled vehicle, but also all data concerning the route followed and the frequency of use of the concerned line by the passengers, together with any data concerning the diagnostics of the vehicle itself.
- the objects which can be aimed at by adoption of such a system can be divided into two main categories: external objects and internal objects.
- the internal objects are mainly as follows:
- the main external objects namely all objects related to the users, are as follows:
- This modification of the modal distribution reduces on the whole the number of vehicles in use and this reduction, when added to the reduction of the environmental pollution generated by the vehicles, as above noted, entails a further reduction of the global pollution level generated by the whole service within the urban area thereby covered.
- the system comprises (A) an equipment on-board of the vehicle and (B) a ground equipment for providing information to the user.
- the equipment on-board of the vehicle is adapted to collect all data furnished by a set of sensors either provided on said vehicle or conveniently arranged to these purposes (running and diagnostic data). This equipment is also adapted to collect all data transmitted by the ground (garage) station to all exiting vehicles.
- a bus 10 exiting from and a bus 11 entering into a garage are shown, each provided with an on-board equipment with a logic unit and a transceiver unit associated therewith, as well as a ground equipment 12 which communicates through a data network with a plurality of control ports for communicating with the entering and with the exiting buses. Further details of the ground equipment can be derived from Figure 2, which shows a computer server assembly linked to four control ports A, B, C and D through a data network.
- the on-board system or equipment comprises the following main macro blocks, being it understood that some functions can be distributed to different blocks or portions of the equipment, for instance the weighing and counting function of the passengers: a logic unit 13 that comprises a controller block 14, a central box 15 for collecting the operation parameters and a central box 16 for collecting the running parameters.
- Said controller block 14 is a block by which the whole pick-up system is managed. It collects data coming from the various peripheral units, then it organizes and stores all data. Furthermore, it communicates with the transceiver system to get access to the Local Area Network (L.A.N.) of the garage. Lastly, it receives all data relating to the operation parameters and transmits all data collected along its route.
- L.A.N. Local Area Network
- the central unit 5 that collects the operation parameters converts all analogue data furnished by the various sensors and communicates them to said controller block 14. It specifically deals with the signals concerning the operation of the engine as well as the operation of the various apparatuses, such as the temperatures, the pressures, etc.
- the central unit 16 that collects the running parameters operates nearly in the same manner as the first central unit 15 that collects the operation parameters, but it deals with all signals concerning the operation of the transport system, such as the number of kilometers and the running times, the speeds, the fuel consumption, etc.
- a passenger weighing device having a physical passenger counting system logically associated thereto, possibly implemented by means of a cell system.
- a pneumatic suspension device is arranged between the vehicle body and the wheel axes. When suitable and known pressure sensors are used, this device collects instant-by-instant all data concerning the total weight of the vehicle and implements a specific filter and average algorithm, correlated with the route. In addition, it transmits the information representing the number of passengers on-board of the vehicle to the controller block.
- An interface for the external line indicator comprising a peripheral unit designed with the aim to read the line indicator board carried by each bus, by picking up the line number and its description for transmission to the above said controller module. If desired, it is possible for this module to automatically set up the new data upon the indicator, without any personnel intervention.
- a further central box provided in the on-board equipment is the particulate filter control central box.
- This central box performs the function to manage the correct operation of the particulate filter (catalytic muffler) and to indicate, by means of various alarm levels, the incorrect operation of the system or the need of maintainance intervents.
- a further interface is provided for annunciating the next stop by optical or acoustical means.
- This central box enables the data concerning the route followed by the vehicle to be stored and to repeat at the various bus-stops all messages relating to them.
- transceiver unit comprises a complete microprocessor system, adapted to handle protocols, codes and cryptographies of any kind. It can be observed that, in effect, it includes an Central Processing Unit (CPU), connected to a RAM/EPROM memory and to a ROM memory, coupled to a radio transceiver apparatus with related antenna. Said transceiver unit is of course installed in front position on each vehicle and it is connected to the on-board system by means of a special line.
- CPU Central Processing Unit
- RAM/EPROM memory RAM/EPROM memory
- ROM memory read-only memory
- Said transceiver unit is of course installed in front position on each vehicle and it is connected to the on-board system by means of a special line.
- the on-board microprocessor implements a program contained within the ROM memory, adapted to establish a communication session with the ground based station. This communication session permits the packet exchange between the two stations and said packets can be utilized both within the transceiver unit itself and in information exchanges with peripheral equipments coupled to said transceiver unit.
- ROM memory also a RAM memory and an EPROM memory are provided to configurate the transceiver unit itself, according to the application type and to the coupled device kind.
- the transmission from the ground station is active and the transmission from the transceiver is passive. No power is utilized on said transceiver unit for generating the radio frequency carrier for retransmission to the ground station. The oncoming carrier from the ground station is simply reflected.
- the transmission protocol is proprietary.
- the transceiver unit is "slave" with respect of the ground station: the transceiver unit is normally in quiescent condition. When it is reached by a carrier at a frequency of 300 Mhz, it is awaked with a re-starting time of 100-150 msec and becomes ready to receive messages from the ground station.
- These messages can be of so-called personal kind, that is messages addressed to an individual transceiver unit; or they can be addressed to all transceiver units reached by the carrier signal.
- a reply can be contemporaneously transmitted by more than one transceiver unit and, for this reason, a collision solving procedure is activated in order to individually recognize all of the transceiver units involved within the antenna range.
- the transmission protocol similar to ADLC, is adapted to assure the correctness and the succession order of the transmitted packets.
- the ground station equipment is adapted to recognize the vehicles and to collect all data stored during the service.
- This equipment is also adapted to transmit data from the ground station to the various vehicles.
- the macroblocks of the equipment comprise control ports and a server.
- Said control ports, such as A, B, C and D, are effectively data picking up members and comprise a P.C. type microprocessor, capable to be interfaced to any data network and to any remote computer.
- These ports are installed at the fuel supply apparatuses and/or at the garage inlet gates and have a directional antenna directed to the front face of the vehicle which is intended to be controlled.
- the server apparatus as a matter of fact can be a Personal Computer.
- the antenna type depends on the specific application. For remote control of moving vehicles, high directionality, double antenna systems will be used, such as a plural component YAGI system.
- the antenna is coupled to a front end block 17, designed to amplify the output signal so as to raise it to the necessary level for transmission.
- a front end block 17 designed to amplify the output signal so as to raise it to the necessary level for transmission.
- Receiver 18 demodulates the received signal and prepares it for subsequent digital processing.
- it tracks the frequency of the signal by acting upon the local oscillator 19 by means of an AFC (Automatic Frequency Control) signal.
- AFC Automatic Frequency Control
- a Digital Signal Processor (DSP) 20 implements some particular algorithms for signal recovery in hard propagation conditions, reflections, etc.
- the core of this equipment is an Industrial P.C. 21. It includes a microprocessor board (for instance a 12 Mhz CPU 286, provided with a 1 M byte RAM memory), two serial ports 22, 23, a parallel port 24, a controller with FDD 25 and HDD 26, a graphics card VGA 27, a port for a keypad 28, a port for a mouse 29.
- the above mentioned P.C. is provided with a 8-bit Ethernet card 30, having a 50 ohm Thin Ethernet output and a Transceiver output, a 1.44 M Floppy Disc driver as well as a Hard Disc with a capacity of at least 40 M bytes.
- the data exchange between the P.C. and the radio frequency section is carried out by means of a bus expansion card.
- I/O devices can be used for external world control (optoinsulators, relais, sensors and actuators of various kinds).
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Traffic Control Systems (AREA)
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
- Pinball Game Machines (AREA)
- Automatic Cycles, And Cycles In General (AREA)
Claims (10)
- Système de commande et de gestion d'une flotte de véhicules, comprenant:un appareillage à monter à bord d'un véhicules, ayant:un block de commande (14);una boíte centrale (15,16) apte à recueillir des données fournies par un ansemble de capteurs prévu dans ledit véhicule;un group émetteur-récepteur ayant un système microprocesseur complet apte à manier des protocoles, codes et cryptographies etune station à terre ayant:un appareil de service centrale ( 12);des moyens pour la transmission des données aux véhicules et pour la rèception desdits véhicules des données recuillies pendant le service; etune pluralité de portes de contrôl (A, B, C, D) reliées audit appareil de service centrale (12) par un réseau de données;des moyens pour relever le passage d'un véhiculedes moyens pour échanger lesdites données recueillies et lesdites données à terre avec le véhicules relevés etdes moyens pour élaborer et/ou visualiser des informations corrélées à lesdites données recueillies et à terre.
- Système selon la revendication 1, caractérisé en ce que les portes de contrôl (A, B,C, D, ) sont en outre placées voisin des appareils de distribution de combustible et /on des arrêts de autobus, en ce que lesdits moyens pour relever le passage d'un véhicule comprendent un' antenne directionelle orientée vers le côté frontal d'un véhicule ( 10, 11) à relever et/ou visualiser des information corrélées à lesdites données recueillies et â terre comprendent un système microprocesseur de type P.C.
- Système selon la rivendication 1 ou 2, caractérise en ce que ladite boíte centrale (15, 16) comprend:une premier boíte central (16) pour recueillir paramétres operationannels etune deuxième boíte central (16) pour recueillir des paramètres courants.
- Système selon la revendication (3), caractérise en ce que ledit block de contrôl est basé sur un microprocesseur et recueille, organise et met en mémoire le données venant dedites première et deuxième boítes de control (15, 16), est en comunication avec ledit groupe émetteur récepteur pour permettre accés à lesdites portes de contrôl (A, B,C,D,) et échange des lesdites dennées recueillies et de terre avec lesdites portes ( A, B, C, D).
- Système selon les revendications 3 ou 4, caractériséè en ce que ladite première boít de contrôl coopère avec la pluralité des capteurs destinés à relever des paramètres opérationnels du moteur et des autres parties des véhicule et reçoit des signais engenrés par les mêmes et transmet lesdits signais audit block de contrôl (14).
- Système selon les revendication 3,4 ou 5, caractérisé en ce que ladite deuxième boíte central (16) coopère avec ladite pluralité des capteurs destinés à relever des paramétres courants concernant l'opération du systéme de transport et le déroulement des fonctions courentes.
- Système selon les revendications 1 ou 2, caractérisé en ce que ledit group émetteur-récepteur est monté en position frontal sur chaque véhicule (10, 11).
- Système selon les revendications 1 ou 2, caractérisé en ce que ledit appareillage à bord comprend en outre un appareil pour peser les passagers ayant un dispositif de suspension pneumatique placé entre le corps de véhicule et ses axes de roues, qui comprend des capteurs de pression pour recueillir continuellement toutes les données concernant le poids total du véhicule et des moyons pour évaluer lesdites données sur la base d'un algorithm spécifique corrélé à la route et pour transmettre audit block de contrôl (14) le rombre de passagers à bord du véhicule.
- Système selon la revendication 8, caractérisé en ce que ledit appareil pour peser les passagers coopère avec des moyons apte à compter les passagers qui montent et descendent.
- Système selon les revendications 1 ou 2, caractérisé en ce que ledit appareillage à bord comprend aussi un indicateur de ligne extérieure reli audit block de contrôl (14) et apte à visualiser un numéro de ligne et sa description sur la base desdites données recueillies et à terre.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT94RM000686A IT1282048B1 (it) | 1994-10-21 | 1994-10-21 | Sistema per il controllo e la gestione di una flotta di automezzi |
ITRM940686 | 1994-10-21 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0708427A2 EP0708427A2 (fr) | 1996-04-24 |
EP0708427A3 EP0708427A3 (fr) | 1996-05-15 |
EP0708427B1 true EP0708427B1 (fr) | 2000-12-06 |
Family
ID=11402781
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP95830435A Expired - Lifetime EP0708427B1 (fr) | 1994-10-21 | 1995-10-13 | Système de commande et de gestion d'une flotte de véhicules |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0708427B1 (fr) |
AT (1) | ATE198004T1 (fr) |
DE (1) | DE69519555T2 (fr) |
ES (1) | ES2158064T3 (fr) |
GR (1) | GR3035516T3 (fr) |
IT (1) | IT1282048B1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6696981B1 (en) | 1999-04-05 | 2004-02-24 | Honda Giken Koyo Kabushiki Kaisha | Apparatus for managing entry and exit of a shared vehicle |
Families Citing this family (29)
Publication number | Priority date | Publication date | Assignee | Title |
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DE19646954B4 (de) * | 1996-11-13 | 2006-09-21 | T-Mobile Deutschland Gmbh | Verfahren und Vorrichtung zum Steuern einer Flotte aus Land- und/oder Wasserfahrzeugen |
US6108591A (en) * | 1998-01-22 | 2000-08-22 | Qualcomm Incorporated | Method and apparatus for validating vehicle operators |
US6124810A (en) * | 1998-09-15 | 2000-09-26 | Qualcomm Incorporated | Method and apparatus for automatic event detection in a wireless communication system |
JP2000320210A (ja) | 1999-05-07 | 2000-11-21 | Honda Motor Co Ltd | 車両及び車両の返却回収制御装置 |
US6947881B1 (en) * | 1999-07-07 | 2005-09-20 | Honda Giken Kogyo Kabushiki Kaisha | Shared vehicle system and method with vehicle relocation |
US6850153B1 (en) | 1999-07-07 | 2005-02-01 | The Regents Of The University Of California | Vehicle sharing system and method for controlling or securing vehicle access and/or enablement |
US6941197B1 (en) | 1999-07-07 | 2005-09-06 | The Regents Of The University Of California | Vehicle sharing system and method with vehicle parameter tracking |
CA2395062A1 (fr) | 1999-12-30 | 2001-07-12 | Ge Harris Railway Electronics, Llc | Procedes et appareil permettant de determiner la position d'une locomotive |
DE10143556A1 (de) * | 2001-09-06 | 2003-03-27 | Daimler Chrysler Ag | Fahrzeugmanagementsystem |
DE10306999A1 (de) * | 2003-02-19 | 2004-09-02 | Siemens Ag | Externes Diagnosesystem für ein Kraftfahrzeug |
US10878646B2 (en) | 2005-12-08 | 2020-12-29 | Smartdrive Systems, Inc. | Vehicle event recorder systems |
US20070150138A1 (en) | 2005-12-08 | 2007-06-28 | James Plante | Memory management in event recording systems |
US9201842B2 (en) | 2006-03-16 | 2015-12-01 | Smartdrive Systems, Inc. | Vehicle event recorder systems and networks having integrated cellular wireless communications systems |
US8996240B2 (en) | 2006-03-16 | 2015-03-31 | Smartdrive Systems, Inc. | Vehicle event recorders with integrated web server |
US8649933B2 (en) | 2006-11-07 | 2014-02-11 | Smartdrive Systems Inc. | Power management systems for automotive video event recorders |
US8989959B2 (en) | 2006-11-07 | 2015-03-24 | Smartdrive Systems, Inc. | Vehicle operator performance history recording, scoring and reporting systems |
US8868288B2 (en) | 2006-11-09 | 2014-10-21 | Smartdrive Systems, Inc. | Vehicle exception event management systems |
US8239092B2 (en) | 2007-05-08 | 2012-08-07 | Smartdrive Systems Inc. | Distributed vehicle event recorder systems having a portable memory data transfer system |
FR2920239B1 (fr) * | 2007-08-20 | 2010-08-27 | Seolane Innovation | Systeme de communications a basse consommation d'energie pour l'echange d'informations avec des bornes d'information voyageurs aux points d'arrets des vehicules |
DE102011082361A1 (de) * | 2011-09-08 | 2013-03-14 | Bayerische Motoren Werke Aktiengesellschaft | Verfahren zum Überwachen von Fahrzeugen einer Kraftfahrzeugflotte |
US9728228B2 (en) | 2012-08-10 | 2017-08-08 | Smartdrive Systems, Inc. | Vehicle event playback apparatus and methods |
US9501878B2 (en) | 2013-10-16 | 2016-11-22 | Smartdrive Systems, Inc. | Vehicle event playback apparatus and methods |
US9610955B2 (en) | 2013-11-11 | 2017-04-04 | Smartdrive Systems, Inc. | Vehicle fuel consumption monitor and feedback systems |
US8892310B1 (en) | 2014-02-21 | 2014-11-18 | Smartdrive Systems, Inc. | System and method to detect execution of driving maneuvers |
US9663127B2 (en) | 2014-10-28 | 2017-05-30 | Smartdrive Systems, Inc. | Rail vehicle event detection and recording system |
US11069257B2 (en) | 2014-11-13 | 2021-07-20 | Smartdrive Systems, Inc. | System and method for detecting a vehicle event and generating review criteria |
US9679420B2 (en) | 2015-04-01 | 2017-06-13 | Smartdrive Systems, Inc. | Vehicle event recording system and method |
US11386055B2 (en) | 2018-02-23 | 2022-07-12 | Toyota Research Institute, Inc. | Adaptive storage of data captured by one or more vehicles |
CN112187536B (zh) * | 2020-09-21 | 2023-05-23 | 交控科技股份有限公司 | 基于tms配置数据的信息交互方法及装置、存储介质、电子装置 |
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Publication number | Priority date | Publication date | Assignee | Title |
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SU623221A1 (ru) * | 1976-01-26 | 1978-09-05 | Bagdasarov Albert M | Устройство дл учета пассажиров |
US4804937A (en) * | 1987-05-26 | 1989-02-14 | Motorola, Inc. | Vehicle monitoring arrangement and system |
ES2073091T3 (es) * | 1991-10-25 | 1995-08-01 | Siemens Ag | Sistema de informacion y de guia de destinos para el transporte publico de viajeros. |
EP0618531B1 (fr) * | 1993-03-31 | 2000-10-18 | Siemens Aktiengesellschaft | Méthode et dispositif pour le chargement et le rechargement de programmes d'un processeur |
-
1994
- 1994-10-21 IT IT94RM000686A patent/IT1282048B1/it active IP Right Grant
-
1995
- 1995-10-13 ES ES95830435T patent/ES2158064T3/es not_active Expired - Lifetime
- 1995-10-13 DE DE69519555T patent/DE69519555T2/de not_active Expired - Fee Related
- 1995-10-13 EP EP95830435A patent/EP0708427B1/fr not_active Expired - Lifetime
- 1995-10-13 AT AT95830435T patent/ATE198004T1/de not_active IP Right Cessation
-
2001
- 2001-03-05 GR GR20010400356T patent/GR3035516T3/el not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6696981B1 (en) | 1999-04-05 | 2004-02-24 | Honda Giken Koyo Kabushiki Kaisha | Apparatus for managing entry and exit of a shared vehicle |
Also Published As
Publication number | Publication date |
---|---|
DE69519555T2 (de) | 2001-07-19 |
GR3035516T3 (en) | 2001-06-29 |
ITRM940686A1 (it) | 1996-04-21 |
IT1282048B1 (it) | 1998-03-09 |
ITRM940686A0 (it) | 1994-10-21 |
DE69519555D1 (de) | 2001-01-11 |
ATE198004T1 (de) | 2000-12-15 |
EP0708427A3 (fr) | 1996-05-15 |
ES2158064T3 (es) | 2001-09-01 |
EP0708427A2 (fr) | 1996-04-24 |
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