EP1521219A1 - Vorrichtung zur Übertragung von Daten aus mindestens einem auf einem Fahrzeug wie einer landwirtschaftlichen Maschine angeordneten Sensor - Google Patents

Vorrichtung zur Übertragung von Daten aus mindestens einem auf einem Fahrzeug wie einer landwirtschaftlichen Maschine angeordneten Sensor Download PDF

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Publication number
EP1521219A1
EP1521219A1 EP04292344A EP04292344A EP1521219A1 EP 1521219 A1 EP1521219 A1 EP 1521219A1 EP 04292344 A EP04292344 A EP 04292344A EP 04292344 A EP04292344 A EP 04292344A EP 1521219 A1 EP1521219 A1 EP 1521219A1
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EP
European Patent Office
Prior art keywords
recording
machine
signal
information
sensor
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.)
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Application number
EP04292344A
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English (en)
French (fr)
Inventor
Geraldine Andre
Emmanuel Piron
Daniel Boffety
Frederic Vigier
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Centre National du Machinisme Agricole du Genie Rural des Eaux et des Forets CEMAGREF
Original Assignee
Centre National du Machinisme Agricole du Genie Rural des Eaux et des Forets CEMAGREF
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Application filed by Centre National du Machinisme Agricole du Genie Rural des Eaux et des Forets CEMAGREF filed Critical Centre National du Machinisme Agricole du Genie Rural des Eaux et des Forets CEMAGREF
Publication of EP1521219A1 publication Critical patent/EP1521219A1/de
Withdrawn legal-status Critical Current

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    • 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
    • G07C3/00—Registering or indicating the condition or the working of machines or other apparatus, other than vehicles

Definitions

  • the present invention relates to a device for the transmission of information from at least one sensor placed on a vehicle such as an agricultural machine to recording means, in particular for their processing and analysis subsequent correlations with other information such as positioning said vehicle.
  • Agricultural machinery such as spreaders are more and more equipped sensors that allow to realize automatisms for certain functions, ie to indicate the state, the physical positioning of certain organs of the machine.
  • These sensors can give information on the speed, the state of the devices (eg opening or closing of a device), pressure, the position, the effort, the couple.
  • the valued information is for the most part from sensors, in the form of analogue information, for example a speed value of the rotation of a tree, the opening of a hatch in mm, etc.
  • the tools for tracing agricultural operations carried out are develop more and more as support tools dedicated to the respect of the environment and monitoring the quality of products and justify and certify the operations carried out by farmers, contractors, Cooperatives of Use of Agricultural Equipment and others.
  • Embedded devices proposed are computer terminals developed by the manufacturers or the equipment manufacturers and are therefore very expensive. They are, on the other hand, very often dedicated to other tasks, for example the regulation of the functioning of machine organs, and the machine's tracking functionality as well as the traceability are only appendices.
  • the object of the invention is therefore to propose a method of acquisition and treatment information from the various sensors on a vehicle as an agricultural machine to then perform a follow-up of the tasks that the machine accomplishes.
  • the present invention aims at a method of transmitting information, since at least one sensor present on a vehicle such as an agricultural machine, to means for recording and storing said information, each sensor measuring an operating parameter of the machine, each signal transmitted by a sensor being processed to be converted into a binary signal, characterized in that the signal emitted by each sensor is converted into a single bit representative of a state of a corresponding operating parameter of the machine, and the unique bits corresponding to all measured parameters are assembled to form a numerical word representative of the state of operation of the machine, and transmitted to the means of recording and storage.
  • the signal emitted by a sensor of rotational speed positioned on a spreader which is in the form of a sinusoidal or square signal varying in frequency according to the speed of rotation of a shaft of the device is transformed into a single code "all" or "nothing" towards the means of registration.
  • the desired information is not the speed of advancement but only the fact that the spreader moves or is at a standstill.
  • each signal emitted by a sensor is processed to be transformed in a unique binary code corresponding to information such as: hatch open or closed, machine on the move or stationary, rotating spreaders or not, moving floor moving or stopped, in the case of a spreader.
  • a single signal is output on a single channel and coding the work phase in progress (spreading, moving, loading, for example).
  • the digital word transmitted to the means of recording and storage therefore corresponds to a given synthetic state, and can be in the form a single multiplexed signal, each data bit corresponding to a state.
  • the method according to the invention therefore makes it possible to use the sensors present on a agricultural machine to monitor the various tasks it performs.
  • each numerical word representative of the state of the machine is concatenated with position data delivered by a location system such as as a GPS before transmission to the means of recording and storage.
  • a location system such as as a GPS
  • the stored and stored information is then transferred to means for processing and analyzing said information.
  • the method according to the invention makes it possible to obtain a global recording of the data of a working day of the agricultural machine which allows to know At the end of the day, the actual number of transactions carried out and the breakdown of time spent in each of the phases of work such as spreading, turning, road course, field trip, idle load, loading, etc., in the case a spreader.
  • the method according to the invention therefore makes it possible to develop and optimize the management Construction sites. Indeed, at the end of a working day, the parameters registered, once transferred and processed by means of processing and for analysis, for example, to develop, for example, an automatic invoice for example, based on aggregated information.
  • the billing thus obtained reflects as closely as possible vehicle use and is no longer limited to a single criterion such as the number of moving floor mats or the number of spreaders made, like this could be the case beforehand.
  • the method according to the invention makes it possible to reason the renewal of material taking into account actual usage data during one or several full years by offering the possibility to use the information recorded to accurately calculate machine utilization costs and the optimum payload of the machine.
  • the recording and storage means record also the position data delivered by a location system such as GPS or DGPS. It is then possible to obtain a traceability of the operations carried out by means of simultaneous recording by the means of recording, the frame of the GPS message and the digital word representative of the different sensors.
  • a location system such as GPS or DGPS.
  • the invention also relates to a device for transmitting information since at least one sensor present on a vehicle such as an agricultural machine to means for recording and storing said information, characterized in that it comprises in a packaging box means receiving at least one signal transmitted from at least one sensor positioned on the machine, means for processing said signal to convert it into a bit unique, assembly means for assembling said unique bits in order to forming a digital word, and means for transmitting said digital word towards the means of recording and storage.
  • the packaging box allows on the basis of a truth table to emit a single output value, on a single path to encode the current phase of work.
  • the packaging box has at least one following logical operators, relays, multiplexing, etc.
  • the transmission of signals between the packaging box and the means registration may be carried out using wireless means of transmission or wired transmission means.
  • the recording and storage means are constituted by a personal assistant pocket.
  • the transmission means of the unique code between the housing of conditioning and personal assistant are means of wireless transmission compatible with RS232 or similar wired links.
  • the pocket personal assistant is associated with or in connection with a spatial location system such as GPS or DGPS.
  • a spatial location system such as GPS or DGPS.
  • Such a personal pocket assistant constitutes means of acquisition and storage of information transmitted from the sensors via the packaging housing that are compact, inexpensive and a very simple use. Indeed, it is sufficient to initialize the means of recording and storage at the beginning of the construction site, the operator does not need to intervene before the end of the project. Once the job is done, the personal assistant is connected means of processing and analysis to transfer to them the information acquired during the construction site.
  • the same pocket personal assistant can be used on several machines respectively comprising a suitable packaging housing source of some compatibility.
  • Sensors A, B, C are positioned on the agricultural machine such that a spreader and measure for example, at the speed of rotation of the wheels, B la position of the hatch, C the number of turns of the spreading belt.
  • sensors There are different types of sensors that can be used for the purposes of the invention. These different types are for example: on-off sensors, these sensors allow for example to determine if a door is open or not, the event sensors, which detect the passage of the hedgehog, and the analog sensors that allow measure the speed of the moving floor.
  • Each sensor A, B, C emits a signal representing what it measured in form signals a, b, c. These signals are of different shapes most of the time: binary, sinusoidal, crenellated or analog.
  • each received signal will be converted into a binary form a ', b', c 'representing information "all” or "nothing” such as: turns / does not turn, closed / open, to be able to form after assembly a digital word U at the output of the packaging box 1 representative of the synthetic state of the spreader.
  • the conversion process will not be the same.
  • a signal from an all-or-nothing sensor will not undergo any conversion since it is already a simple, binary signal.
  • Two types of signals can come out of an event sensor, either a sinusoidal signal or a square-wave signal. Whatever the type of signal, the frequency of the signal increases with the speed of rotation of the organ studied: the higher the speed, the more the period of the signal decreases.
  • the principle of conversion of these signals is to continuously measure the period a signal and compare it to a stored value called critical period. According to the result of the comparison, the binary state of the sensor goes from 0 to 1 or vice versa.
  • An analog sensor delivers a signal proportional to a physical characteristic such as a flow rate or a mass. The principle of conversion of such a signal consists in measuring it continuously and comparing its value at a given instant with that of a previously determined threshold. According to the result of the comparison, the binary state of the sensor goes from 0 to 1 or vice versa.
  • the signals from the different sensors converted into binary signals, they are routed to a microcontroller or a network of logic gates the role is to assemble them in order to arrive at a digital word U reflecting the phase work in progress.
  • This assemblage is established according to a truth table independent of the machine to follow and allows to obtain a digital word U of N bits, where N represents the sensor numbers during operation.
  • This digital word U is representative of a synthetic state of the machine and is then transmitted to recording and storage facilities consisting of either by a mass memory (not shown) coupled to the housing of conditioning 1 either by a personal pocket assistant 2.
  • the transmission is performed by wireless transmission means, for example of the type "Bluetooth”, IEEE 802.11 (WI-FI) or similar and remains compatible with a RS232 type wired link.
  • the recording means receives a concatenated set of information constituted by the numerical word representative of the operating state of the machine and, information transmitted by a system 3 (GPS or DGPS), by example via a serial link type RS 232 or USB or by the GPS or DGPS system associated with it.
  • a system 3 GPS or DGPS
  • a transmission can also be envisaged by relying on a wireless communication network from wireless transmission means, for example of the IEEE 802.11 (WI-FI) type, GPRS, UMTS, satellites or similar.
  • WI-FI IEEE 802.11
  • GPRS GPRS
  • UMTS Universal Mobile Communications
  • the method and the device according to the invention can be used on any type of agricultural machine as fodder press, tons of slurry, distributor fertilizer, tillage and sowing tools, input transport equipment and harvested products, etc. but also on any other type of vehicle.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
  • Agricultural Machines (AREA)
  • Guiding Agricultural Machines (AREA)
EP04292344A 2003-10-01 2004-10-01 Vorrichtung zur Übertragung von Daten aus mindestens einem auf einem Fahrzeug wie einer landwirtschaftlichen Maschine angeordneten Sensor Withdrawn EP1521219A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0311484A FR2860620B1 (fr) 2003-10-01 2003-10-01 Dispositif pour la transmission d'informations provenant d'au moins un capteur place sur vehicule tel qu'une machine agricole
FR0311484 2003-10-01

Publications (1)

Publication Number Publication Date
EP1521219A1 true EP1521219A1 (de) 2005-04-06

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EP04292344A Withdrawn EP1521219A1 (de) 2003-10-01 2004-10-01 Vorrichtung zur Übertragung von Daten aus mindestens einem auf einem Fahrzeug wie einer landwirtschaftlichen Maschine angeordneten Sensor

Country Status (2)

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EP (1) EP1521219A1 (de)
FR (1) FR2860620B1 (de)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0633552A2 (de) * 1993-07-05 1995-01-11 Audi Ag System zur Auswertung der Fahrbetriebsweise eines Kraftfahrzeuges
GB2305045A (en) * 1995-09-05 1997-03-26 Massey Ferguson Ltd Tractor with monitoring system
EP1049050A2 (de) * 1999-04-29 2000-11-02 Loher Aktiengesellschaft Mikrosystem zur lokalen Zustandsüberwachung und Zustandsdiagnose von Maschinen, Anlagen und/oder Baugruppen, insbesondere von Antriebssystemen
US20020151297A1 (en) * 2000-10-14 2002-10-17 Donald Remboski Context aware wireless communication device and method

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0633552A2 (de) * 1993-07-05 1995-01-11 Audi Ag System zur Auswertung der Fahrbetriebsweise eines Kraftfahrzeuges
GB2305045A (en) * 1995-09-05 1997-03-26 Massey Ferguson Ltd Tractor with monitoring system
EP1049050A2 (de) * 1999-04-29 2000-11-02 Loher Aktiengesellschaft Mikrosystem zur lokalen Zustandsüberwachung und Zustandsdiagnose von Maschinen, Anlagen und/oder Baugruppen, insbesondere von Antriebssystemen
US20020151297A1 (en) * 2000-10-14 2002-10-17 Donald Remboski Context aware wireless communication device and method

Also Published As

Publication number Publication date
FR2860620B1 (fr) 2006-05-12
FR2860620A1 (fr) 2005-04-08

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