JP2008290626A - Monitor of on-water or underwater cruising body - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a cruising body monitor capable of speedily monitoring a plurality of kinds of vessels. <P>SOLUTION: This cruising body monitor is furnished with a sensor part 2 consisting of a plurality of sensors to detect each of a plurality of kinds of signatures to be generated from a single cruising body cruising, a signal treating part 5 having a function to treat each of a plurality of detected signals from the sensor part 2 in accordance with a plurality of the kinds of the vessels and a general judging part 6 in which judging information of the cruising body cruising is set and which judges the kinds of the vessels of the cruising body cruising, etc. in accordance with a waveform signal treated by the signal treating part. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention is installed in a sea area where water or an underwater vehicle (hereinafter referred to as a vehicle) is congested or an area where territorial waters intrusion is predicted, The present invention relates to a water or underwater vehicle monitoring device that discriminates and records a ship type and reports it to the outside.

  Such a navigation body monitoring device (hereinafter referred to as a navigation body monitoring device) includes, for example, a sensor unit, a signal processing unit, a determination unit, a recording unit, and an output unit for reporting the determination result to the outside. Monitor and discriminate the ship type (large ship, small ship, etc.), direction, depth, speed, etc. When monitoring a traveling body, a signal (signature) emitted to the surroundings when the traveling body travels on or under water is captured. Signature types typically include magnetism, sound, water pressure, underwater electric field, and vibration.

Since the navigation body emits a magnetic signal corresponding to its size, etc., the ship depends on the characteristics of the level of the magnetic signal, the duration of the magnetic signal, and the waveform of the magnetic signal (such as the number of peaks where the level increases). Determine the species. The navigation body that emits a magnetic signal is one in which the hull is made of steel (magnetic material), but even if it is made of FRP, it is made of a magnetic material in the mounted equipment. When it is installed, it emits a magnetic signal. A magnetic signal is also generated by a magnetic field called a stray magnetic field that is generated when a current flows through an electric wire.
In many cases, the level of the acoustic signal is not as pronounced as the magnetic signal, but a characteristic spike signal is produced at the acoustic frequency caused by the number of revolutions of the propeller, the number of revolutions of the main engine x the number of propellers, the number of revolutions of the large auxiliary machine, etc. Since there are many cases, the ship type etc. are discriminated by capturing these characteristics.

The water pressure signal catches the fact that if an object moves in the liquid, a pressure fluctuation is necessarily generated around the object. In general, once the pressure increases, the pressure decreases, and the pressure decreases most when approaching.
The underwater electric field signal is generally captured because a weak electric field caused by the anticorrosion device is generated around the traveling body. In general, the underwater electric field signal often has a propeller as a cathode, and a signal such as a minute wave due to the main engine speed x the number of propellers may be superimposed. The ship type and the like can be discriminated as in the case of the acoustic signal.

  FIG. 9 is a block diagram of a conventional vehicle monitoring device. In the figure, reference numeral 2 denotes a sensor unit made up of a plurality of sensors 2a to 2d for detecting various signatures of a marine vessel. For example, 2a is a magnetic sensor, 2b is an acoustic sensor, 2c is a water pressure sensor, and 2d is underwater. It is an electric field sensor. The detection signals from the sensors 2a to 2d are amplified by the amplifiers 3a to 3d, converted into digital signals by the A / D converters 4a to 4d, and then sent to the signal processing units 5a to 5d, respectively. To identify the signal waveform of the signature.

  6 is a comprehensive judgment unit, and necessary judgment information such as a ship type (for example, large ship, small ship, etc.), a traveling direction, and the like is set by a setting unit 10 provided outside. Based on the signal waveform information sent from the units 5a to 5d, the ship type, the traveling direction, the traveling depth, the speed, and the like of the ship to be navigated are comprehensively determined.

  7 is a recording unit for recording the determination result of the comprehensive determination unit 6 and other information, and 8 is an output unit for transmitting the determination result by the comprehensive determination unit 6 to the outside. And these sensor parts 2 (2a-2d), amplification part 3 (3a-3d), A / D conversion part 4 (4a-4d), signal processing part 5 (5a-5d), determination part 6, recording part 7 And the output part 8 is accommodated in the housing | casing 1, and is installed in the sea (The patent document and nonpatent literature regarding such a conventional navigation body monitoring apparatus were investigated, but were not discovered).

  In the conventional traveling vehicle monitoring apparatus as described above, the sensor unit 2 includes a plurality of sensors 2a to 2d corresponding to the types of signatures to be detected, and the signal processing units 5a to 5d include the sensors 2a. The signal processing units 5a to 5d and the comprehensive judgment unit 6 are set by the setting unit 10 according to the type of ship to be monitored (single). Function), when monitoring multiple ship types, every time the ship type to be monitored is changed, it is necessary to pull up the underwater vehicle monitoring device installed in the sea and change its settings, thus preventing rapid processing. There was a problem.

  The present invention has been made to solve the above-described problems, and has an object to provide a navigation body monitoring apparatus that can quickly monitor a plurality of types of ship types and the like. It is.

  A traveling body monitoring apparatus according to the present invention includes a sensor unit including a plurality of sensors that respectively detect a plurality of types of signatures generated from a single traveling body, and a plurality of detection signals from the sensor unit. A plurality of signal processing units each having a function of processing each of them according to a plurality of ship types, etc., and determination information of a traveling body to be navigated are set, and the navigation is performed based on the waveform signal processed by the signal processing unit. And a general determination unit for determining a ship type and the like of the traveling body.

  The traveling body monitoring apparatus according to the present invention switches the plurality of signal processing units by a timer or an acoustic command that can be arbitrarily set in advance.

  The traveling body monitoring apparatus according to the present invention includes a sensor unit including a plurality of sensors that respectively detect a plurality of types of signatures generated from a single traveling body, and a plurality of detection signals from the sensor unit. A ship of a traveling body in which a signal processing unit having a function of processing according to the ship type and the like, and determination information of a traveling body to be sailed are set, and which travels based on a signal waveform from the signal processing unit And a general determination unit for determining the species and the like, and equipped with a plurality of the signal processing units, or switching the processing contents by one time processing, interrupt or event drive processing for one signal processing unit, and simultaneously processing functions Execute.

  In the traveling body monitoring apparatus according to the present invention, the comprehensive determination unit is provided with a recording unit that records determination results and other information and an output unit that sends the determination results and other information to the outside.

  According to the present invention, when monitoring a plurality of ship types and the like, it is not necessary to change the setting every time depending on the ship type and the like, and it is possible to monitor at the same time. Done quickly.

[Embodiment 1]
FIG. 1 is a block diagram of a navigation vehicle monitoring apparatus according to Embodiment 1 of the present invention. The same parts as those in the conventional apparatus described in FIG. 9 are denoted by the same reference numerals, and a part of the description is omitted.
In the present embodiment, the vehicle monitoring device is amplified by the sensor unit 2 that detects signatures such as magnetism, sound, water pressure, and electric field in the water, the amplification unit 3 that amplifies the detection signal of the sensor unit 2, and the amplification unit 3. A / D converter 4 that converts the received signal into a digital signal, a signal processor 5 that processes the signature converted into a digital signal by the A / D converter 4, and a waveform signal that is signal-processed by the signal processor 5 And a general determination unit 6 for determining the ship type and the like based on the above. The sensor unit 2 is composed of a plurality of sensors 2a, 2b, 2c, 2d,... 2n, and detects signatures such as magnetism, sound, water pressure, and underwater electric field as described above. This signature may include a vibration signature. The amplification unit 3 is composed of a plurality of amplifiers 3a, 3b, 3c, 3d,... 3n, and amplifies the signatures detected by the sensors 2a, 2b, 2c, 2d,. The signal processing unit 5 includes a number of signal processing units 5-1 to 5-3 corresponding to a plurality of ship types to be monitored. For example, a signal processing unit 5-1 is provided for a certain ship type, and signal processing units 5-2 and 5-3 are provided for the other two ship types. The signal processing unit 5-1 includes signal processing units 5a, 5b, 5c, 5d... 5n for signal processing of the signatures from the amplifiers 3a, 3b, 3c, 3d,. Such a configuration is the same for the signal processing unit 5-2 and the signal processing 5-3. However, the contents of the signal processing differ depending on the ship type to be monitored. The waveform signal identified by the signal processing by the signal processing unit 5 (5-1 to 5-3) is sent to the comprehensive determination unit 6. The comprehensive determination unit 6 is composed of a plurality of comprehensive determination units 6-1, 6-2, 6-3, and based on the waveform signals from the signal processing units 5-1, 5-2, 5-3. A plurality of types of ships are determined. The setting unit 10 sets necessary information in the signal processing units 5-1 to 5-3 and the comprehensive determination units 6-1 to 6-3 corresponding to the ship type to be monitored. For this reason, the signal processing unit 5-1, the comprehensive determination unit 6-1, the signal processing unit 5-2, the comprehensive determination unit 6-2, the signal processing unit 5-3, and the comprehensive determination unit 6-3 are monitored. Different signal processing and determination are performed according to the target ship type and the like. The setting unit 10 may be detachably attached to the housing 1 and removed after the setting is completed, but may be embedded in the housing 1 as an operation panel.

  In the present embodiment configured as described above, the detection signal detected by the sensor unit 2 is amplified by the amplification unit 3, converted into a digital signal by the A / D conversion unit 4, and sent to the signal processing unit 5. It is done. Each signal processing unit 5-1, 5-2, 5-3 receives the same output signal from either the sensor unit 2 or the amplification unit 3, and as shown in FIG. Signal processing is executed, the waveform signal is identified, and the information is sent to the comprehensive judgment unit 6.

  The comprehensive determination units 6-1, 6-2, 6-3 comprehensively determine the information sent from the signal processing units 5-1, 5-2, 5-3 based on the set determination information. For example, when the information is based on a magnetic signal, when the magnitude of the signal level, the elapsed time, the signal waveform, etc. are as shown in FIG. 3B, for example, the comprehensive determination unit 6-2 determines that the ship is a medium-sized ship, and in the case illustrated in FIG. 3C, for example, the comprehensive determination unit 6-3 determines that the ship is a small ship. The determination result is recorded by the recording unit 7 together with the date and time and other information, and sent from the output unit 8 to the outside.

  Conventionally, it was set for detecting a single ship type and the like, and only a target ship type or the like could be detected. However, according to the present embodiment as described above, a plurality of signal processing units 5-1 to 5-5. -3 and general determination units 6-1 to 6-3, and individually performing settings for detecting different ship types and the like, respectively, so that a plurality of types of ships can be independently and simultaneously Etc. can be monitored, the monitoring process is performed quickly, and the process can be performed efficiently. In addition, since the plurality of signal processing units 5-1 to 5-3 and the comprehensive determination units 6-1 to 6-3 detect the set ship type and the like, the software does not become complicated. There is an advantage.

[Embodiment 2]
FIG. 4 is a block diagram of a traveling vehicle monitoring apparatus according to Embodiment 2 of the present invention. The same parts as those in the first embodiment are denoted by the same reference numerals, and description thereof is omitted. In the present embodiment, a timer 9 is provided in the casing 1 of the navigation vehicle monitoring apparatus, and the timer 9 follows a predetermined schedule (for example, morning, afternoon, night, etc.) as shown in FIG. The signal processing units 5-1, 5-2, and 5-3 are sequentially switched.

  In this case, when it is inappropriate to switch the signal processing units 5a-1, 5-2, and 5-3 according to a fixed schedule, for example, as shown by a broken line in FIG. The unit 11 may be provided, and the operation mode may be arbitrarily switched according to the command.

  Also in the present embodiment, substantially the same effect as in the first embodiment can be obtained. When the signal processing units 5-1, 5-2, and 5-3 are arbitrarily switched by the acoustic command transmission / reception unit 11 or the like, the arbitrary signal processing units 5a-1, 5-2, and 5-3 are switched. You can select to monitor the vehicle.

  By the way, in the example of FIG. 4, a plurality of signal processing devices 5-1 to 5-3 and general determination units 6-1 to 6-3 are provided with three pieces of hardware according to the number of ship types to be monitored. In this example, one signal processing device and one overall determination unit are provided as hardware, and a plurality of signal processing devices 5-1 to 5-3 and total determination units 6-1 to 6-3 are provided by software. It may be realized. For example, in the case of an application where only a single ship needs to be detected, for simplification of hardware, the signal processing device is provided as one, and instead, signal processing is performed so that a plurality of setting conditions can be set. The apparatus 5 is configured, and the setting is switched by the timer 9 or the sound command transmission / reception unit 11 as described above, thereby realizing the plurality of signal processing devices 5-1 to 5-3 and the overall determination units 6-1 to 6-3. To do. By doing so, when a plurality of ships are monitored by dividing the time zone, it can be performed without complicating the hardware. Next, an example in which one signal processing device and one comprehensive determination unit are provided as hardware and a plurality of ship types and the like are simultaneously monitored will be described as a third embodiment.

[Embodiment 3]
FIG. 6 is a block diagram of a navigation vehicle monitoring apparatus according to Embodiment 3 of the present invention. In addition, the same code | symbol is attached | subjected to this same part as said figure, and a part of description is abbreviate | omitted. In the first embodiment, the number of signal processing units 5-1 to 5-3 and the total judgment units 6-1 to 6-3 according to the number of ship types or the like to be monitored (three in this example) are included. Although the provided example has been described, in this embodiment, one signal processing unit 5 and one comprehensive determination unit 6 are provided regardless of the number of ship types or the like to be monitored. For example, the signal processing unit 5 performs the same function as the signal processing units 5-1, 5-2, and 5-3 by time-division processing using a control program. For example, the signal processing unit 5-1 includes signal processing programs 5a-1 to 5n-1 corresponding to the signatures from the sensors 2a to 2n. Similarly, the signal processing unit 5-2 includes the signal processing program 5a-2. To 5n-2, the signal processing unit 5-3 includes signal processing programs 5a-3 to 5n-3. The overall determination unit 6 also performs the same function as the above-described comprehensive determination units 6-1 to 6-3 by time-sharing processing using a control program, and operates in the same manner as in the first embodiment.

  As described above, in the present embodiment, as shown in FIG. 7, the signal processing unit 5 performs a plurality of signal processings in a pseudo manner by the time division processing in parallel. Similar to the embodiment, a plurality of ship types and the like can be detected quickly. Although FIG. 7 shows a case where processing is switched in a time-sharing manner with the passage of time, it is realized by interrupt processing or event drive processing that arbitrarily starts processing when an event to be processed occurs. Also good.

[Embodiment 4]
FIG. 8 is a block diagram of a ship monitoring apparatus according to Embodiment 4 of the present invention, which is a modification of Embodiment 1 of FIG. In this embodiment, as shown in the drawing, a plurality of signal processing units 5a to 5m (where m <n), which is smaller than the number of sensor units 2 (2a to 2n), corresponding to one ship type or the like, are provided. However, unlike the example of FIG. 1 described above, one signal processing unit does not handle the processing of one sensor, but arbitrary sensors 2a to 2n and each signal processing unit 5-1 to 5-3. The signal processing units 5a to 5m are connected to each other by a data bus 20 so that they can be appropriately combined. As a result, the sensors 2 (2a to 2n) and the signal processing units 5a to 5m can be combined with each other efficiently according to the application, and a plurality of ships can be waited simultaneously in a relatively simple hardware configuration. It is possible to make various settings, such as being able to do so, and it is possible to proceed in parallel without greatly reducing the processing speed.

  In the above-described first to fourth embodiments, examples of detecting three types of ships have been described. However, the number is arbitrarily set, and is limited to the number of the above-described embodiments. It is not a thing.

It is a block diagram of the navigation body monitoring apparatus concerning Embodiment 1 of the present invention. It is action explanatory drawing of the signal processing part of FIG. It is explanatory drawing of the processing waveform of the signal processing part of FIG. It is a block diagram of the navigation body monitoring apparatus concerning Embodiment 2 of the present invention. It is explanatory drawing which shows the switching state of the signal processing part by the timer of FIG. It is a block diagram of the navigation body monitoring apparatus which concerns on Embodiment 3 of this invention. It is explanatory drawing of the time division process of the signal processing part of FIG. It is a block diagram of the ship monitoring apparatus which concerns on Embodiment 4 of this invention. It is a block diagram of the conventional navigation body monitoring apparatus.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 Case, 2 Sensor part, 5,5-1 to 5-3 Signal processing part, 6,6-1 to 6-3 Comprehensive determination part, 7 Recording part, 8 Output part, 9 Timer, 10 Setting part, 11 Acoustic command transmitter / receiver.

Claims (4)

A sensor unit composed of a plurality of sensors that respectively detect a plurality of types of signatures generated from a single water or underwater vehicle (hereinafter referred to as a vehicle);
A plurality of signal processing units each having a function of processing a plurality of detection signals from the sensor unit according to a plurality of ship types, and the like;
The determination information of the traveling body to be navigated is set, and a comprehensive determination unit for determining a ship type of the traveling body that travels based on the waveform signal processed by the signal processing unit is provided. A vehicle monitoring device.   The navigation system monitoring apparatus according to claim 1, wherein the plurality of signal processing units are switched by a timer or an acoustic command that can be arbitrarily set in advance. A sensor unit composed of a plurality of sensors that respectively detect a plurality of types of signatures generated from a single traveling body traveling;
A signal processing unit having a function of processing a plurality of detection signals from the sensor unit according to a plurality of ship types, and the like;
The determination information of the traveling body to be sailed is set, and includes a comprehensive judgment unit that determines a ship type of the traveling body to sail based on the signal waveform from the signal processing unit,
A traveling body monitoring apparatus comprising a plurality of the signal processing units or switching a processing content of one signal processing unit by time-division processing, interruption or event driving processing and executing processing functions in parallel. .   4. The voyage according to claim 1, wherein the comprehensive determination unit includes a recording unit for recording determination results and other information and an output unit for transmitting the determination results and other information to the outside. Body monitoring device.

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