Device and method for detecting events related to a trellised crop, alert device and method.

Abstract

The present invention relates to a device for detecting events related to a trellised crop, comprising: - an analyzer capable of analyzing at least one representative vibration wave signal emitted by at least one wire of said trellised crop in order to determine, based on said representative vibration wave signal captured, at least one event related to said crop. Fig. 1.

Description

Title of the invention: Device and method for detecting events relating to a trellised crop, alert device and method. technical field

[0001] The present exposition relates to the general field of event detection from a vibration wave. Previous technique

[0002] The present invention relates more particularly to the field of trellised crops. Trellising consists of supporting plants (trees, vines, grapevines, etc.) so that they can produce a maximum of fruit without breaking due to the weight of the fruit or due to climatic conditions (wind, rain, snow on green plants). Today, there is a real need, more generally in open-field crops but also in greenhouse crops, to prevent the theft of fruits and vegetables in the fields. Growing areas are often both open and vast, which makes them difficult to secure using known surveillance methods: video surveillance and law enforcement patrols. Crops are therefore very poorly protected from theft.Video surveillance requires real-time analysis, which is impossible without automated assistance (using Artificial Intelligence). Consequently, it is only truly useful after the facts have been established, in an attempt to identify the perpetrators. Furthermore, fields rarely have a permanent power supply, further complicating the use of this surveillance method. Finally, video capture can be degraded or even rendered inoperative by weather conditions (rain, fog), lighting conditions (night, backlighting), the presence of crops themselves or other crops / vegetation obscuring the area to be protected, or by deliberate actions, such as obstructing the camera lens. Protection by law enforcement or by the farmers themselves through patrols aims to deter thieves and can lead to arrests in the act.However, this approach consumes a lot of resources and proves insufficient on very large areas. Another security approach involves installing protective fencing. This method can be relevant in enclosed spaces such as greenhouses, but it proves very complex to implement on large open areas, particularly orchards.

[0003] There is therefore a real need for crop security which is free, at least in part, from the disadvantages inherent in the aforementioned known configurations. Description of the invention

[0004] The present description relates to a device for detecting events related to a trellised crop, comprising: - an analyzer capable of analyzing at least one representative vibration wave signal emitted by at least one wire of said trellised crop to determine, based on said representative vibration wave signal captured, at least one event relating to said crop.

[0005] Advantageously, the present disclosure can thus make it possible to use vibrations detected on at least one wire, for example a support wire, to determine events associated with the crop. Such a detection method proves to be much less intrusive than cameras and more discreet. Since the device is preferably small, it can be camouflaged within the crops and thus remain undetected by thieves.

[0006] According to certain embodiments, the device comprises: - a receiver capable of receiving said at least representative vibration wave signal from at least one vibration wave sensor positioned on said at least one wire.

[0007] The sensors can also be small and thus very inconspicuous, which can advantageously prevent them from being vandalized, like the event detection device. Several sensors can be arranged, for example, on the same wire or on different wires. This can advantageously allow for more precise determination of the location in the crop to which the event is associated. This can advantageously allow for the detection of a precise location for thefts, but can also allow for the implementation of applications such as establishing a pollination map in the crop, particularly useful in greenhouse cultivation. This can also allow for the detection of faults in water pipes when these are suspended from the wire or attached to the stake supporting the wires or to the trunk of the cultivated plants, the trunk being supported by the wire.

[0008] According to certain embodiments, said analyzer is capable of determining said at least one event as a function of at least one characteristic of said signal representing said vibration wave and of information recorded in at least one storage module of said device, said recorded information associating to an event at least one characteristic of said signal representing said vibration wave.

[0009] A vibration wave signal can advantageously be characterized by one or more characteristics that can distinguish one event from another. By characteristics of the vibration signal, we can understand the intensity, shape, wavelength, frequency, propagation time, propagation speed, propagation direction.

[0010] According to certain embodiments, said analyzer is capable of obtaining said information from a trained model to associate with at least one characteristic of said signal representative of said vibratory wave detected on at least one wire of a trellised crop, an event relating to said crop.

[0011] According to certain embodiments, the device comprises: - a transmitter capable of transmitting to at least one remote device; - the aforementioned detected event and / or: - an alarm related to the detected event.

[0012] Thus, advantageously, the amount of data transmitted by the device is small and therefore energy-efficient. Furthermore, the device can transmit an alarm to quickly alert a remote device to a potential problem with the crop, such as theft. The alarm can also be transmitted to a separate remote monitoring device or to a terminal belonging to a producer or farmer cultivating the crop.

[0013] According to some embodiments, said at least one vibration wave sensor is an accelerometer.

[0014] According to certain embodiments, said event is representative of: - a theft of fruit and / or vegetables in said trellised crop, - a failure of pollination of said trellised crop, - a failure of watering of said trellised crop when a watering pipe is associated with said wire, - damage caused to the crops, - a defect in the trellising.

[0015] According to another aspect, the present invention relates to a method for detecting events related to a trellised crop, comprising: - An analysis of at least one representative vibration wave signal emitted by at least one wire of said trellised crop to determine, based on said representative vibration wave signal captured, at least one event relating to said crop.

[0016] According to another aspect, the present invention relates to a computer program comprising instructions for executing the steps of the detection process according to any one of the embodiments of this disclosure when said program is executed by a computer.

[0017] According to another aspect, the present invention relates to a computer-readable recording medium on which is recorded a computer program comprising instructions for carrying out the steps of the process according to any one of the embodiments of this disclosure.

[0018] According to another aspect, the present invention relates to the use of an event detection device for a trellised crop according to the present disclosure to detect theft of fruit and / or vegetables from said trellised crop, when said events are related to theft.

[0019] According to another aspect, the present invention relates to the use of a device for detecting events related to a trellised crop according to the present disclosure to detect a pollination defect in trellised crops, when said events are related to a pollination defect.

[0020] According to another aspect, the present invention relates to an event alert application for a trellised crop, said application being capable of - receive from a device according to one of the embodiments of this disclosure, said event or at least information enabling the determination of said event and - generate said alarm from said event or at least said information enabling the determination of said event.

[0021] According to another aspect, the present invention relates to an event alert device for a trellised crop, the alert device comprising - a receiver capable of receiving from a device for detecting events related to a trellised crop, said event or at least information enabling the determination of said event and - a generator capable of generating said alarm from said event or at least said information enabling the determination of said event.

[0022] According to another aspect, the present invention relates to a method for alerting to an event on a trellised crop, the alerting method comprising - the receipt of a device for detecting events related to a trellised crop, said event or at least information enabling the determination of said event and - a generation of said alarm from said event or at least said information enabling the determination of said event.

[0023] In another aspect, the present invention relates to a program comprising program code instructions for executing the steps of the alerting method according to this disclosure when said program is executed by a processor. Brief description of the drawings

[0024] Other features and advantages of the present invention will become apparent from the description given below, with reference to the accompanying drawings which illustrate examples of embodiment thereof, without any limiting character.

[0025] On these drawings, from one figure to another, identical elements (or parts of elements) are identified by the same reference signs.

[0026] [Fig-1] Fig. 1 represents an example of trellising cultivation comprising a system according to an embodiment of the invention,

[0027] [Fig.2] Figure [Fig.2] represents an embodiment of a functional architecture of a device according to the invention,

[0028] [Fig.3] Fig.3 represents an embodiment of the hardware architecture of a device according to the invention,

[0029] [Fig.4] Figure [Fig.4] illustrates an example of vibrational waves corresponding to a detected event,

[0030] [Fig.5] Fig.5 represents an embodiment of a process according to the invention. Description of the implementation methods

[0031] To make the explanation more concrete, an example of a system implementing event detection in trellised crops is described in detail below, with reference to the accompanying drawings. It should be noted that the invention is not limited to this example.

[0032] Fig. 1 represents a schematic view of an example environment implementing the invention.

[0033] An example of a trellised cultivation system is schematically represented in [Fig. 1]. One principle of trellised cultivation is the training of plants in spaced rows, with only one row of trellised cultivation shown in [Fig. 1]. Trellising consists of supporting the plants (trees, vines, grapevines, etc.) so that they can produce a maximum of fruit without breaking under the weight of the fruit, a phenomenon potentially exacerbated by climatic conditions (wind, rain, snow on green foliage).

[0034] The plants are planted at intervals, aligned along these rows. A trellised cultivation system comprises at least two end posts PI and Pn located at each end of a row. Depending on the dimensions of the agricultural field or greenhouse in which the cultivation takes place, several rows may be present, and each row may include a number n of posts, which may vary depending on the length of the row as well as the type of plants being cultivated. Generally, these two end posts are anchored in the ground using two anchoring wires or cables, FA and FA', allowing them to be securely fixed and thus ensuring the overall stability of the row. Between posts PI and Pn, a plurality of row posts Pi are arranged, the posts Pi being firmly driven into the ground, or set in concrete, for example, or planted in concrete blocks. These posts may, for example, be made of wood.These stakes are spaced apart. They are generally placed at roughly regular intervals, and the spacing between the stakes may depend on the type of plants, their weight for example. The stakes in row Pi are generally planted vertically in relation to the ground, and the end stakes PI and Pn are generally angled from the vertical.

[0035] The end posts ensure that at least one wire running from one end of each row to the other is kept under mechanical tension between the two end posts. The row posts serve to ensure the lateral and vertical alignment of the row.

[0036] At least one wire is indeed stretched between the end posts. This wire, called the support wire (FP), is generally located at the bottom and remains fixed throughout the growing season, from planting to harvest. Its role is to support the harvest and therefore the majority of the plant's weight. A support wire is generally made of galvanized steel due to the elasticity and durability required for support wires. Depending on the crop, several support wires may be used.

[0037] One or more FR lifting wires may also be present, stretched between the end posts and positioned higher and substantially parallel to the main wire. The lifting wires can be installed as the plants grow. Both the main wires and the lifting wires are attached, preferably in a removable manner, to the end posts and the row posts. They may be made of steel, stainless steel, or synthetic fibers, among other materials.

[0038] The row stakes allow both the sliding of the wires for a tension distributed evenly along the rows, but also different height adjustments of the FR lifting wires for crops using lifting wires which can be left on the ground during the winter before allowing the annual foliar developments to be raised and maintained at a height (e.g., vine shoots).

[0039] According to one embodiment, at least one vibration wave sensor Cl is arranged on the support wire. According to some embodiments, several vibration wave sensors may be arranged on the support wire, for example, between each stake or between certain stakes. According to some embodiments, one or more vibration wave sensors may also be arranged on one or more lifting wires, at one or more locations on the lifting wires. The sensors may also be attached to the stakes or mooring cables as required.

[0040] According to certain embodiments, the sensors can be devices known as microelectromechanical systems (MEMS). Thus, the detection device using such sensors is very small and very inexpensive, advantageously allowing for the low-cost multiplication of observation devices.

[0041] The sensor 1 is preferably powered by batteries. It can also be powered by solar energy (small solar panels for example) or generate its own energy from vibrations.

[0042] According to some embodiments, the sensor Cl is an accelerometer.

[0043] It is recalled here that an accelerometer makes it possible to determine the direction in which a wire is moving, based on an acceleration along one or more axes. In one embodiment, the sensor Cl according to the invention comprises up to three accelerometers detecting linear accelerations of the wire along three orthogonal axes. In another embodiment, the detection modules according to the invention comprise up to three accelerometers detecting linear accelerations of the wire along three orthogonal axes. The analysis of vibration signals also makes it possible to interpret a voltage variation in the wires.

[0044] According to some embodiments, the sensor Cl can be a piezoelectric element.

[0045] According to some embodiments, the sensor can also be composed of gyroscopes with up to three orthogonal axes

[0046] The sensor Cl is configured to transmit at least one signal representative of at least one vibration wave emitted by at least one wire of said trellised culture.

[0047] A detection device 1 according to an embodiment of the invention is disposed, for example, near sensor Cl (or sensors Cl). By proximity, it is understood that the device 1 can receive a signal representative of at least one vibrational wave emitted by at least one wire of said trellised crop originating from sensor CL

[0048] According to some embodiments, the sensor Cl and the device 1 include a LoRa or NB-IoT or 5G type interface, for transmitting (respectively receiving) the representative vibration wave signals.

[0049] Since the device 1 is small, it can be easily concealed in or near crops and thus remain invisible, preventing theft or damage. The sensor(s) Cl are also small and therefore only visible near the wires. Furthermore, as the plants grow, they are generally hidden by vegetation, leaves, and fruit on the trellises.

[0050] In one embodiment, the sensor cl is directly included in a stake

[0051] The [Fig.2] represents an embodiment of a functional architecture of the device 1.

[0052] Device 1 is configured to analyze at least one representative vibration wave signal emitted by at least one wire of the trellised crop to determine, based on the representative vibration wave signal captured, at least one event relating to the crop.

[0053] Device 1 is preferably powered by batteries, it can also be powered by solar energy (small solar panels for example).

[0054] The device 1 preferably comprises an analyzer, configured to analyze at least one signal emitted by at least one sensor Cl and received by a receiver or a receiving interface.

[0055] Device 1 may also include one or more storage means, STK, configured to record at least a portion of the representative vibration wave signals.

[0056] The analyzer can detect a plurality of events from the received signals.

[0057] The STK storage means may also include data associating to at least one event one or more values ​​of one or more characteristics of the vibration signal or one or more graphical representations of signals representative of a vibration wave, as shown in Figures 4. Thus the storage means may include a list of events and associate to each event, a value or a range of values ​​per characteristic or for certain characteristics or a graphical representation representative of the event.

[0058] Characteristics of the vibration signal include intensity, shape, wavelength, frequency, propagation time, propagation speed, and propagation direction. Several sensors can be used to measure these different parameters.

[0059] In other words, for a given event, one or more data, in the form of values ​​or ranges of values ​​or graphical representation, can be associated or matched.

[0060] This correspondence can be obtained during system testing or development phases and recorded in the storage means. This correspondence or lookup table can be downloaded into device 1 via the transmission interface or transmitter.

[0061] An example of graphical representations of a vibration wave is presented in [Fig.4],

[0062] The analyzer analyzes the signals received by the receiver and determines an event from these signals.

[0063] To do this, according to a first embodiment, the analyzer compares the received vibration waves or at least certain characteristics of the received vibration waves with the recorded data associating to at least one event one or more values ​​of one or more characteristics of the vibration signal or one or more graphical representations of signals representative of a vibration wave.

[0064] This comparison can enable the identification of an event in the trellised crop. This comparison can also be associated with a confidence score for the detected event, the confidence score also being able to be transmitted with the detected event.

[0065] In some embodiments, image capture means can be triggered when an event is detected. This triggering can also be linked to the confidence score associated with the detected event. The image capture means, not shown in [Fig. 1], can communicate with device 1 wirelessly. The image capture means can, for example, be located on the end posts or on a row post, a dedicated mast, a building, etc. Image capture can, for example, be triggered when the confidence threshold associated with the detection of an event such as theft in the crops is high. Conversely, the capture means can be triggered when the confidence threshold is low to eliminate false positives.

[0066] According to certain embodiments, the analyzer includes a trained learning model configured to classify a signal representative of a vibration wave according to an event type. In this embodiment, data or graphical representations representative of the events are not necessarily stored in the storage means. The representative data of the vibration wave received from sensor Cl are entered into the trained learning model, and the model outputs an event representative of the data representing the vibration wave given as input to the model. A confidence score may also be associated with this event. Similarly, the capture means may be triggered, as described above, based on the confidence score.

[0067] Among the detected events, we can mention: - crop theft - Irrigation system failure, - pollinator detected in the row, - damage to crops, - trellising defect

[0068] Damage to crops can be caused by weather elements (wind, hail), by wild animals (birds, wild boars, etc.), by humans (accidents, deliberate damage).

[0069] Trellising defects may be related to verticality, excessive or insufficient wire tension, or breakage of trellising elements.

[0070] Parameters can also be associated with the event to refine its characterization. For example, when several sensors Ci communicate with device 1, a reference or location (e.g., row number in the plot, GPS location) of the sensor can be transmitted, or the time of detection of the event. The sensor(s) Cl transmit the captured data to device 1 in the form of signals representative of a vibration wave.

[0071] Device 1 may also include a transmission interface or transmitter, configured to transmit to a remote device: - all or part of the signal and / or - said detected event and / or: - an alarm related to said detected event.

[0072] The transmission interface or transmitter can also receive data from a remote system. The transmission interface is preferably a 5G type interface.

[0073] The transmission interface can transmit events to a remote device. It is advantageous for the analysis to be done at the device level rather than remotely to reduce the amount of data transmitted through the transmission interface, and thus reduce the energy induced by transmitting a large volume of data.

[0074] According to certain embodiments, a selection of said events can be transmitted via the transmission interface. The selection can also be made remotely, for example, configured according to the use of device 1.

[0075] The selection may be a selection related to events linked to theft or degradation of crops.

[0076] The selection may be a selection related to events linked to a crop irrigation problem.

[0077] Indeed, water pipes (or conduits) are sometimes attached to the support wire, these water pipes being regularly pierced to allow individual irrigation of each plant of the trellised crop.

[0078] The presence of the pipe naturally leads to modifications of the vibration waves generated by the carrier wire. Thus, data representing the vibration waves associated with events, in the presence of a pipe on the wire, are also recorded in the STK storage means. When the analyzer is based on a trained learning model, this model is trained to enable the detection of events on a wire to which a pipe is attached.

[0079] Detecting a problem related to a water pipe failure can, for example, involve detecting a problem linked to overpressure in the pipe, a blockage, or a hole in the pipe. All these actions modify the tension on the wire and therefore the characteristics of the wire's vibration waves.

[0080] Selection can be based on the detection of pollinating insects on crops. In this pollination-related application, the analyzer can create a pollinator map based on data analysis over a given period. Indeed, detecting a pollinator in a row may not be a sufficient event. It may be more relevant to provide a map of pollinator presence. Representative data of the associated vibrational waves The presence of a pollinating insect on a wire is obtained and recorded beforehand in the MEM recording means. When the analyzer is based on a trained learning model, this model is trained to enable the detection of pollinating insects on a wire of a row of trellised crops.

[0081] To this end, device 1 is configured to: - analyze at least one representative vibration wave signal emitted by at least one wire of the trellised crop to determine, based on the captured representative vibration wave signal, at least one event related to the crop, - said event being related to the detection of a pollinating insect on at least one wire, - to establish a map of pollinating insect activity in the crop based on the detection of the event.

[0082] According to some embodiments, several devices 1 can be placed in the same trellised crop, for example in the same plot or in the same greenhouse and one of these modules can centralize the data analyzed by each module and transmit them through its transmission interface.

[0083] In the embodiment described in [Fig.2], the device 1 has the hardware architecture of a computer, as illustrated in [Fig.3].

[0084] The architecture of a device 1 includes in particular a processor (computing unit) 10, a random access memory 11, a read-only memory 12, a non-volatile flash memory 14 in a particular embodiment of the invention, as well as communication means 13. Such means are known per se and are not described in more detail here.

[0085] The read-only memory 12 of the device Cl according to the invention constitutes a storage medium according to the invention, readable by the processor 10 and on which a computer program Prog according to the invention is stored. The read-only memory 12 may also include the trained learning model.

[0086] The memory 14 of the device Cl allows for the recording of variables used for the execution of the steps of the process according to any one of the embodiments of this disclosure.

[0087] The computer program Prog defines functional and software modules, configured here to participate in the detection of events relating to a trellised crop. These functional modules rely on and / or control the hardware elements 7-11 of the Cl device described previously.

[0088] Figure 5 represents an embodiment of a process according to the present disclosure.

[0089] During a step El, the device 1 obtains data or graphical representations of vibrational waves associated with events. As mentioned Previously this data could include a value or range of values ​​per characteristic or for certain characteristics or a graphical representation representing the event.

[0090] By characteristic of the vibratory signal, we can understand the intensity, the shape, the wavelength, the frequency, the duration of propagation, the speed of propagation, the direction of propagation.

[0091] In other words, for a given event, one or more data points, in the form of values ​​or ranges of values ​​or graphical representations, can be associated or matched. For example, the non-volatile flash memory 14 can include representations of the vibrational waves shown in Figures 4 as described above.

[0092] According to some embodiments, during step El, the device obtains a trained learning model to determine an event from a vibration wave analysis as described above.

[0093] It can be noted that step El can be carried out prior to the installation of device 1 in the trellised culture.

[0094] During a step E2, the device 1 (its receiver) obtains data representative of vibration waves from one or more sensors Cl. The data can be received regularly or continuously.

[0095] During a step E3, the device 1 (the analyzer) analyzes the received data, the different analysis modes described with reference to [Fig.2] being implemented during step E3.

[0096] If an event is detected during step E4, then we proceed to step E5, otherwise we proceed to step E2, i.e. we continue the analysis of the received data.

[0097] During step E4, it may be possible, for example, to select or filter only certain events. The selection (filtering) may be linked to an application or use of device 1. The selection may, for example, be made following information received via the transmission interface from a remote device. Device 1 may select one or more events of interest based on the information received, which may relate to a use of the system. As mentioned, the use may be related to the detection of theft in trellised crops, the detection of a pollination problem, or the detection of an irrigation problem, among other things.

[0098] If one or more detected events are selected during step E4, then during step E5, one or more pieces of information relating to the detected event are transmitted to a remote device. This information may be transmitted as is or may be transmitted in the form of an alarm. This information may, for example be received on a terminal of a farmer or producer or directly at crop alarm suppliers.

[0099] Following step E5, the process loops back to step E2. However, it should be noted that the data acquisition and analysis carried out during steps E2 and E3 are performed continuously and not stopped during step E4.

[0100] Thus, the event detection device relating to a trellised crop can be used to detect theft of fruit and / or vegetables from the trellised crop, when the events are related to theft.

[0101] Thus, the device for detecting events relating to a trellised crop can be used to detect a pollination defect in trellised crops, when said events are related to a pollination defect.

[0102] Following step E5, other optional steps can be implemented, including, for example, generating an alert based on the event or at least on the information that allows the event to be determined. Thus, an alert can be generated when a theft, an irrigation system failure, a pollination defect, or any event of interest to a system user or someone who has, for example, subscribed to an alarm receiving application is detected.

[0103] The present invention thus relates to an application for alerting to an event on a trellised crop, said application being capable of - receive from a detection device according to one of the embodiments of this disclosure, said event or at least information enabling the determination of said event and - generate an alarm from the event or at least from said information allowing the event to be determined.

[0104] This disclosure relates to an event alerting device for a trellised crop, the alerting device comprising - a receiver capable of receiving from a device for detecting events related to a trellised crop, said event or at least information enabling the determination of said event and - a generator capable of generating said alarm from said event or at least said information enabling the determination of said event.

[0105] The present invention relates to a method for alerting to an event on a trellised crop, the alerting method comprising - the receipt of a device for detecting events related to a trellised crop, said event or at least information enabling the determination of said event and - a generation of said alarm from said event or at least said information enabling the determination of said event.

[0106] The present invention relates to a program comprising program code instructions for executing the steps of the alerting method according to this disclosure when said program is executed by a processor.

[0107] Although the present invention has been described with reference to specific embodiments, it is evident that modifications and changes can be made to these examples without departing from the general scope of the invention as defined by the claims. In particular, individual features of the various embodiments illustrated / mentioned can be combined in additional embodiments. Therefore, the description and drawings should be considered in an illustrative rather than a restrictive sense.

[0108] It is also evident that all the characteristics described with reference to a process are transposable, alone or in combination, to a device, and conversely, all the characteristics described with reference to a device are transposable, alone or in combination, to a process.

Claims

Demands

1. Device for detecting events relating to a trellised crop, comprising: - an analyzer capable of analyzing at least one representative vibration wave signal emitted by at least one wire of said trellised crop to determine, based on said representative vibration wave signal captured, at least one event relating to said crop.

2. Device according to claim 1 comprising: - a receiver capable of receiving said at least representative vibration wave signal from at least one vibration wave sensor positioned on said at least one wire.

3. Device according to any one of the preceding claims wherein said analyzer is capable of determining said at least one event as a function of at least one characteristic of said signal representing said vibration wave and information recorded in at least one storage module of said device, said recorded information associating to an event at least one characteristic of said signal representing said vibration wave.

4. Device according to claim 3 wherein said analyzer is capable of obtaining said information from a trained model to associate with at least one characteristic of said signal representative of said vibration wave detected on at least one wire of a trellised crop, an event relating to said crop.

5. Device according to any one of the preceding claims comprising: - a transmitter capable of transmitting to at least one remote device; - said detected event and / or: - an alarm related to said detected event.

6. Device according to any one of claims 2 and 3 to 5 related to claim 2 in which said at least one vibration wave sensor is an accelerometer.

7. A device according to any one of the preceding claims such that said event is representative of: - theft of fruit and / or vegetables in said trellised crop, - a pollination failure of said trellised crop, - a watering failure of said trellised crop when an irrigation pipe is associated with said wire, - damage caused to the crops, - a defect in the trellising.

8. Method for detecting events relating to a trellised crop, comprising: - An analysis of at least one representative vibration wave signal emitted by at least one wire of said trellised crop to determine, as a function of said representative vibration wave signal captured, at least one event relating to said crop.

9. Computer program comprising instructions for carrying out the steps of the detection method according to claim 8 when said program is executed by a computer.

10. Computer-readable recording medium on which is recorded a computer program comprising instructions for carrying out the steps of the process according to the claims.

11. An event alerting device for a trellised crop, the alerting device comprising - a receiver capable of receiving from an event detection device relating to a trellised crop according to any one of claims 1 to 7, said event or at least information enabling the determination of said event and - a generator capable of generating said alarm from said event or at least said information enabling the determination of said event.

12. Method for alerting an event on a trellised crop, the alerting method comprising - receiving an event detection device relating to a trellised crop according to any one of claims 1 to 7, said event or at least information enabling the determination of said event and - generating said alarm from said event or at least said information enabling the determination of said event.

13. Computer program comprising program code instructions for performing the steps of the alerting method according to the preceding claim when said program is executed by a processor.

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