CN107089299A - A kind of measuring system and its measuring method of ship inclination angle - Google Patents
A kind of measuring system and its measuring method of ship inclination angle Download PDFInfo
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- CN107089299A CN107089299A CN201710186255.5A CN201710186255A CN107089299A CN 107089299 A CN107089299 A CN 107089299A CN 201710186255 A CN201710186255 A CN 201710186255A CN 107089299 A CN107089299 A CN 107089299A
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- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000012545 processing Methods 0.000 claims abstract description 38
- 238000001514 detection method Methods 0.000 claims description 20
- 238000005070 sampling Methods 0.000 claims description 18
- 238000012935 Averaging Methods 0.000 claims description 4
- 230000003321 amplification Effects 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 7
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
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- 238000002474 experimental method Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B79/00—Monitoring properties or operating parameters of vessels in operation
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- Mechanical Engineering (AREA)
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- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
The invention discloses a kind of measuring system and its measuring method of ship inclination angle, the measuring system includes：The gradient sensor (3) that computer (1), signal receiving unit (2) and two are installed on the deck of tested ship, wherein, computer (1) includes：Processing unit (11), display unit (12) and input block (13)；Input of the output end of two gradient sensors (3) respectively with signal receiving unit (2) is connected；The input of the output end of signal receiving unit (2) and the output end of input block (13) respectively with processing unit (11) is connected；The output end of processing unit (11) is connected with the input of the display unit (12), described measuring method uses pendulum and above-mentioned measuring system, has the advantages that to be limited that small, cost of labor is low, measurement accuracy is high, time of measuring is fast, can monitor ship inclination state in real time by ship type structure.
Description
Technical field
The present invention discloses the technical field for being related to ship height of C.G. measure, more particularly to a kind of survey of ship inclination angle
Amount system and its measuring method.
Background technology
In recent years, with the development of shipbuilding technology, increasing large ship is built, and these ships
Increasingly concern of the security by people.For the stability of accurate evaluation ship, it is to avoid because stability is not enough and causes the perils of the sea
Generation, it is necessary to more accurately be measured clean ship center of gravity.And clean ship weigh experiment in ship inclination angle be calculate ship
The significant data of oceangoing ship center of gravity.
, it is necessary in the diverse location of tested ship, be respectively mounted multiple pendulums, so in existing ship inclination angular surveying
Repeatedly swing respectively after pendulum afterwards, manually read the reading of each pendulum, finally by the multiple reading for calculating multiple pendulums
Average value, and then obtain the angle of inclination of ship.However, in above-mentioned measuring method, there are the following problems：
1st, the pendulum installed needs to carry out the arrangement of pendulum line and tank in advance, it is necessary to substantial amounts of cost of labor, and individual
Other ship type is architectural limitation, there is the problem of arrangement difficulty is big.
2nd, the pendulum line length in pendulum it is general in 15m~30m, it is necessary to which substantial amounts of space carries out operation, therefore, general feelings
Cargo hold etc. can only be arranged under condition to divulge information in the poor region of poor, light, be unfavorable for personal security.
3rd, each pendulum reader measuring point needs 2~3 staff operation simultaneously, and one-stop operation needs lasting 6~8 small
When, cost of labor is high, and is influenceed by human factor greatly, there is the low problem of accuracy.
4th, because often measuring an angle, it is necessary to the counting and calculating of long period, it is impossible to accomplish to monitor ship in real time
Heeling condition.
In summary, a kind of measuring system and measuring method of new ship inclination angle how are researched and developed, to solve
Above mentioned problem, as people's urgent problem to be solved.
The content of the invention
In consideration of it, the invention provides a kind of measuring system and its measuring method of ship inclination angle, at least to solve
Present in existing measuring method by ship type structure limited greatly, cost of labor is high, measuring accuracy is low, can not monitor ship in real time
The problems such as heeling condition.
One aspect of the present invention provides a kind of measuring system of ship inclination angle, and the measuring system includes：
Computer 1, signal receiving unit 2 and two gradient sensors 3；
The computer 1 includes：Processing unit 11, display unit 12 and input block 13；
Two gradient sensors 3 are respectively arranged on the deck of tested ship, for detecting the quilt respectively
The angle of inclination of ship is surveyed, and the angle of inclination of detection is converted to is transmitted after electric signal；
Input of the output end of two gradient sensors 3 respectively with the signal receiving unit 2 is connected；
The output end of the signal receiving unit 2 and the output end of the input block 13 respectively with the processing unit
11 input connection；
The output end of the processing unit 11 is connected with the input of the display unit 12.
It is preferred that, each gradient sensor 3 includes：Angle of inclination detection unit 31 and signal transmitting unit
32；
The angle of inclination detection unit 31 is used for the angle of inclination for detecting tested ship, and the angle of inclination of detection is turned
It is changed to electric signal；
The output end of the angle of inclination detection unit 31 is connected with the input of the signal transmitting unit 32；
The output end of the signal transmitting unit 32 is connected with the input of the signal receiving unit 2.
Further preferably, the computer 1 also includes：Leveling unit 14；
The leveling unit 14 is series between the processing unit 11 and the display unit 12, and the leveling unit
14 input is connected with the output end of the processing unit 11, the output end of the leveling unit 14 and the display unit 12
Input connection.
Further preferably, the measuring system of the ship inclination angle also includes：Signal processing unit 4, for signal
Filtering and amplification；
The signal processing unit 4 be series at two gradient sensors 3 and the signal receiving unit 2 it
Between, the output end of the input of the signal processing unit 4 respectively with two gradient sensors 3 is connected, the letter
The output end of number processing unit 4 is connected with the input of the signal receiving unit 2.
Further preferably, two gradient sensors 3 are respectively arranged in the anterior deck and rear portion of tested ship
On deck.
Further preferably, the signal transmitting unit 32 be wireless signal transmitting element, the signal receiving unit 2 be with
The reception of wireless signals unit that the signal transmitting unit 32 is matched.
Another aspect of the present invention, which is additionally provided, uses pendulum in a kind of measuring method of ship inclination angle, the measuring method
And above-mentioned measuring system, specific measuring process is as follows：
S1：On the anterior deck and quarter-deck that two gradient sensors are separately mounted to tested ship, it will put
Hammer is arranged in the main hold of tested ship；
S2：Pendulum is repeatedly swung, the reading after each pendulum is swung is read respectively, the pendulum reading repeatedly read is carried out
It is average, obtain pendulum average reading；
S3：The inclination angle value detected positioned at anterior deck inclination angle sensor is subjected to many minor tick samplings, and
The inclination angle value of many sub-samplings is averaged, the first angle of inclination average value is obtained；
S4：First angle of inclination average value and the pendulum average reading are made poor, the first difference is obtained, by described the
One difference is compared with error threshold, if first difference is more than the error threshold, gives up first inclination angle
Average value, repeat step S3 are spent, until first difference is less than or equal to the error threshold；
S5：The inclination angle value detected positioned at quarter-deck inclination angle sensor is subjected to many minor tick samplings, and
The inclination angle value of many sub-samplings is averaged, the second angle of inclination average value is obtained；
S6：Second angle of inclination average value and the pendulum average reading are made poor, the second difference is obtained, by described the
Two differences are compared with error threshold, if second difference is more than the error threshold, give up second inclination angle
Average value, repeat step S5 are spent, until second difference is less than or equal to the error threshold；
S7：The pendulum average reading, the first angle of inclination average value are averaging with the second angle of inclination average value, obtained
The inclination angle value of ship.
Computer, signal are respectively arranged with the measuring system for the ship inclination angle that the present invention is provided, the measuring system
Receiving unit and two gradient sensors, wherein, the measuring system is detected respectively by two gradient sensors
Its each where angle of inclination at ship deck position, and the angle of inclination detected is converted into electric signal, and interval is taken
The electric signal of sample is sent in signal receiving unit, signal receiving unit by the electric signal on inclination angle value of reception successively
It is sent in the processing unit of computer, processing unit is parsed the electric signal of reception respectively, obtains each angle of inclination
After multiple sampling inclination angle values of sensor, multiple sampling inclination angle values corresponding to each gradient sensor ask flat
, and by the average value tried to achieve and input block the standard reference value inputted compared as difference, if the difference obtained is more than
Threshold value, then carry out remeasuring sampling by the corresponding gradient sensor of the average value, until the difference obtained is less than or equal to
Threshold value, the mark that the two average tilt angle values and input block in processing unit on two gradient sensors are inputted
Quasi- reference value is averaged, and obtains final ship inclination angle value, and by display unit by final ship inclination angle
Value and real time sample angle of inclination on two gradient sensors are shown.
In the measuring method for the ship inclination angle that the present invention is provided, using measuring for above-mentioned measuring system, tool
Have the advantages that to be limited that small, cost of labor is low, measurement accuracy is high, can monitor ship heeling condition in real time by ship type structure.
Brief description of the drawings
Accompanying drawing herein is merged in specification and constitutes the part of this specification, shows the implementation for meeting the present invention
Example, and for explaining principle of the invention together with specification.
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, for those of ordinary skill in the art
Speech, without having to pay creative labor, can also obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 discloses a kind of module map of the measuring system for ship inclination angle that embodiment is provided for the present invention；
Fig. 2 is gradient sensor in the measuring system of the invention for disclosing a kind of ship inclination angle that embodiment is provided
Module map；
Fig. 3 discloses the module map of the measuring system for another ship inclination angle that embodiment is provided for the present invention；
Fig. 4 discloses the module map of the measuring system for another ship inclination angle that embodiment is provided for the present invention.
Embodiment
Here exemplary embodiment will be illustrated in detail, its example is illustrated in the accompanying drawings.Following description is related to
During accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawings represent same or analogous key element.Following exemplary embodiment
Described in embodiment do not represent and the consistent all embodiments of the present invention.On the contrary, they be only with it is such as appended
The example of the consistent apparatus and method of some aspects be described in detail in claims, the present invention.
Referring to a kind of measuring system of Fig. 1 ship inclination angles provided for the present embodiment, the measuring system includes：With
Two gradient sensors for receiving single 2 in terminal processes and the computer 1 of display, signal and being detected for angle of inclination
3, wherein, computer 1 includes：Processing unit 11, display unit 12 and input block 13；Wherein, two angle of inclination sensings
Device 3 is respectively arranged on the deck of tested ship, the angle of inclination for detecting tested ship respectively, and by the inclination angle of detection
Degree is converted to the laggard between-line spacing sampling of electric signal and sent；The output end of two gradient sensors 3 receives single with signal respectively
Member 2 input connection, and the output end of the signal receiving unit 2 and the output end of input block 13 respectively with processing unit 11
Input connection, the output end of processing unit 11 is connected with the input of display unit 12.
The specific work process of measuring system is as follows in the present embodiment：Two gradient sensors are respectively to where it
Ship deck position at carry out real-time angle of inclination detection, and will detect that the angle value obtained is converted into electric signal, then
The sampling of electric signal interval is sent in signal receiving unit, the detection angles received are sent in sequence to by signal receiving unit
In the processing unit of computer, processing unit is parsed to the signal received first, obtains its detection angles and correspondingly
Sensor, and multiple sampling detection angles of respective sensor are averaged, obtain passed on two angles of inclination respectively
The the first average detected angle value and the second average detected angle value of sensor, and by two average detected angle values respectively with calculating
The standard angle reference value inputted in the input block of machine compare as difference, when difference is more than the standard inputted in input block
During angle reference value, give up current average angle angle value, start the corresponding sensor of the average angle angle value and remeasure taking
Sample, until difference is less than the standard angle reference value inputted in input block, then, by standard angle reference value, meets the requirements
The first average detected angle value and the second average detected angle value be averaging, the final angle of inclination for obtaining tested ship.
Wherein, obtaining for the standard angle reference value inputted in input block can install pendulum in the somewhere of tested ship
Hammer, by repeatedly swinging the pendulum, repeatedly reads the angle value of pendulum, by way of calculating the average value of multiple pendulum reading
Obtain；Or U-tube is installed on the deck of tested ship, obtained by way of reading the reading in U-tube.
Gradient sensor 3 in said detecting system can be with purchased in market, and referring to Fig. 2, the gradient sensor 3 is wrapped
Include：Angle of inclination for detecting tested ship, and the angle of inclination that the angle of inclination of detection is converted into electric signal detects single
Member 31 and by the electric signal in angle of inclination detection unit 31 on angle of inclination enter between-line spacing sample and send signal hair
Unit 32 is sent, wherein, the output end of angle of inclination detection unit 31 is connected with the input of signal transmitting unit 32, and signal is sent
The output end of unit 32 is connected with the input of signal receiving unit 2.
Referring to the measuring system of Fig. 3 another ship inclination angles provided for the present embodiment, with the embodiment above
Difference be, also include in computer 1：Leveling unit 14, the leveling unit 14 is series at processing unit 11 and display
Between unit 12, and the output end connection of the input processing unit 11 of leveling unit 14, the output end of leveling unit 14 is with showing
Show the input connection of unit 12.
Measuring system in the present embodiment, because the angle of inclination of ship original state is not necessarily shown as zero degree, because
This, the setting of the leveling unit is acted on equivalent to zero, the inclination angle value of original state is included in leveling unit, often afterwards
The secondary angle number exported from processing unit can all be subtracted after the numerical value in leveling unit automatically, then be shown, realize measurement
Order of accuarcy.
Referring to the measuring system of Fig. 4 another ship inclination angles provided for the present embodiment, implement with above-mentioned two
The difference of scheme is, also includes in the measuring system of ship inclination angle：Letter for filtering and the amplification of signal
Number processing unit 4, signal processing unit 4 is series between two gradient sensors 3 and signal receiving unit 2, wherein, letter
Output end of the input of number processing unit 4 respectively with two gradient sensors 3 is connected, the output of signal processing unit 4
End is connected with the input of signal receiving unit 2.
Wherein, the setting main purpose of the signal processing unit is to remove interference signal, and useful signal is put
Greatly, to facilitate the processing in later stage.
Two gradient sensors 3 in above-mentioned each embodiment be respectively arranged on the anterior deck of tested ship and
On quarter-deck, the setting main purpose of the position is that the measurement at ship each position angle of inclination can be realized, to realize ship
The overall expression at oceangoing ship angle of inclination, to improve the accuracy of measurement.
Wherein, signal transmitting unit 32 is wireless signal transmitting element, and signal receiving unit 2 is and signal transmitting unit 32
The reception of wireless signals unit of matching.
A kind of measuring method for ship inclination angle that the present embodiment is provided, in the measuring method using pendulum and on
The measuring system stated, specific measuring process is as follows：
S1：On the anterior deck and quarter-deck that two gradient sensors are separately mounted to tested ship, it will put
Hammer is arranged in the main hold of tested ship；
S2：Pendulum is repeatedly swung, the reading after each pendulum is swung is read respectively, the pendulum reading repeatedly read is carried out
It is average, obtain pendulum average reading；
S3：The inclination angle value detected positioned at anterior deck inclination angle sensor is subjected to many minor tick samplings, and
The inclination angle value of many sub-samplings is averaged, the first angle of inclination average value is obtained；
S4：First angle of inclination average value and the pendulum average reading are made poor, the first difference is obtained, by described the
One difference is compared with error threshold, if first difference is more than the error threshold, gives up first inclination angle
Average value, repeat step S3 are spent, until first difference is less than or equal to the error threshold；
S5：The inclination angle value detected positioned at quarter-deck inclination angle sensor is subjected to many minor tick samplings, and
The inclination angle value of many sub-samplings is averaged, the second angle of inclination average value is obtained；
S6：Second angle of inclination average value and the pendulum average reading are made poor, the second difference is obtained, by described the
Two differences are compared with error threshold, if second difference is more than the error threshold, give up second inclination angle
Average value, repeat step S5 are spent, until second difference is less than or equal to the error threshold；
S7：The pendulum average reading, the first angle of inclination average value are averaging with the second angle of inclination average value, obtained
The inclination angle value of ship.
Measuring method in the present embodiment, not only realizes the measurement at angle of inclination by sensor, reduce it is artificial into
This, improves precision, and in order to prevent the problem of detection mistake occurs for sensor, has also introduced the inclination reading of a pendulum,
Reference is used as by the inclination reading of the pendulum, to investigate the correctness of sensor.In addition, the small volume of sensor, it is accounted for
It is few with space, it can be easily installed on various ships, do not limited by Ship Structure.One is only only used in the detection method
Pendulum, by using cooperatively for sensor and pendulum, on the basis of measurement correctness is ensured, can also greatly reduce artificial
Input, reduces cost of labor, reduces artificial participation, the accuracy of raising.
Those skilled in the art will readily occur to its of the present invention after considering specification and putting into practice invention disclosed herein
Its embodiment.The application be intended to the present invention any modification, purposes or adaptations, these modifications, purposes or
Person's adaptations follow the general principle of the present invention and including undocumented common knowledge in the art of the invention
Or conventional techniques.Description and embodiments are considered only as exemplary, and true scope and spirit of the invention are by following
Claim is pointed out.
It should be appreciated that the invention is not limited in the precision architecture for being described above and being shown in the drawings, and
And various modifications and changes can be being carried out without departing from the scope.The scope of the present invention is only limited by appended claim.
Claims (7)
1. a kind of measuring system of ship inclination angle, it is characterised in that including：
Computer (1), signal receiving unit (2) and two gradient sensors (3)；
The computer (1) includes：Processing unit (11), display unit (12) and input block (13)；
Two gradient sensors (3) are respectively arranged on the deck of tested ship, described tested for detecting respectively
The angle of inclination of ship, and the angle of inclination of detection is converted to be transmitted after electric signal；
Input of the output end of two gradient sensors (3) respectively with the signal receiving unit (2) is connected；
The output end of the signal receiving unit (2) and the output end of the input block (13) respectively with the processing unit
(11) input connection；
The output end of the processing unit (11) is connected with the input of the display unit (12).
2. the measuring system of ship inclination angle according to claim 1, it is characterised in that each angle of inclination sensing
Device (3) includes：Angle of inclination detection unit (31) and signal transmitting unit (32)；
The angle of inclination detection unit (31) is used for the angle of inclination for detecting tested ship, and the angle of inclination of detection is changed
For electric signal；
The output end of the angle of inclination detection unit (31) is connected with the input of the signal transmitting unit (32)；
The output end of the signal transmitting unit (32) is connected with the input of the signal receiving unit (2).
3. the measuring system of ship inclination angle according to claim 1, it is characterised in that the computer (1) also includes：
Leveling unit (14)；
The leveling unit (14) is series between the processing unit (11) and the display unit (12), and the leveling list
The input of first (14) is connected with the output end of the processing unit (11), and the output end of the leveling unit (14) shows with described
Show the input connection of unit (12).
4. the measuring system of ship inclination angle according to claim 1, it is characterised in that also include：Signal processing unit
(4), the filtering and amplification for signal；
The signal processing unit (4) be series at two gradient sensors (3) and the signal receiving unit (2) it
Between, the output end of the input of the signal processing unit (4) respectively with two gradient sensors (3) is connected, institute
The output end for stating signal processing unit (4) is connected with the input of the signal receiving unit (2).
5. the measuring system of ship inclination angle according to claim 1, it is characterised in that two angles of inclination sensings
Device (3) is respectively arranged on the anterior deck and quarter-deck of tested ship.
6. the measuring system of ship inclination angle according to claim 2, it is characterised in that the signal transmitting unit (32)
For wireless signal transmitting element, the signal receiving unit (2) is the wireless signal matched with the signal transmitting unit (32)
Receiving unit.
7. a kind of measuring method of ship inclination angle, it is characterised in that will using pendulum and right in the measuring method
The measuring system described in 1 is sought, specific measuring process is as follows：
S1：On the anterior deck and quarter-deck that two gradient sensors are separately mounted to tested ship, pendulum is pacified
In the main hold of tested ship；
S2：Pendulum is repeatedly swung, the reading after each pendulum is swung is read respectively, the pendulum reading repeatedly read is put down
, pendulum average reading is obtained；
S3：The inclination angle value detected positioned at anterior deck inclination angle sensor is subjected to many minor tick samplings, and will be many
The inclination angle value of sub-sampling is averaged, and obtains the first angle of inclination average value；
S4：First angle of inclination average value and the pendulum average reading are made poor, the first difference is obtained, it is poor by described first
Value is compared with error threshold, if first difference is more than the error threshold, is given up first angle of inclination and is put down
Average, repeat step S3, until first difference is less than or equal to the error threshold；
S5：The inclination angle value detected positioned at quarter-deck inclination angle sensor is subjected to many minor tick samplings, and will be many
The inclination angle value of sub-sampling is averaged, and obtains the second angle of inclination average value；
S6：Second angle of inclination average value and the pendulum average reading are made poor, the second difference is obtained, it is poor by described second
Value is compared with error threshold, if second difference is more than the error threshold, is given up second angle of inclination and is put down
Average, repeat step S5, until second difference is less than or equal to the error threshold；
S7：The pendulum average reading, the first angle of inclination average value are averaging with the second angle of inclination average value, ship is obtained
Inclination angle value.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710186255.5A CN107089299B (en) | 2017-03-27 | 2017-03-27 | A kind of measuring system and its measurement method of ship inclination angle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710186255.5A CN107089299B (en) | 2017-03-27 | 2017-03-27 | A kind of measuring system and its measurement method of ship inclination angle |
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| CN107089299A true CN107089299A (en) | 2017-08-25 |
| CN107089299B CN107089299B (en) | 2019-01-18 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107745783A (en) * | 2017-10-10 | 2018-03-02 | 中国水产科学研究院渔业机械仪器研究所 | A kind of automatic measuring equipment of fishing boat inclining experiment |
| CN108421231A (en) * | 2018-03-27 | 2018-08-21 | 中国海洋大学 | A kind of sailing real-time status recording device |
| CN109387183A (en) * | 2018-12-03 | 2019-02-26 | 广州市建筑科学研究院有限公司 | A kind of drill core hole slope measurement apparatus |
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| CN202171446U (en) * | 2011-08-02 | 2012-03-21 | 苏州大学 | Photoelectric inclined angle sensor |
| CN102661739A (en) * | 2012-05-15 | 2012-09-12 | 山东大学 | Photoelectric inclined angle sensor |
| CN204963853U (en) * | 2015-09-22 | 2016-01-13 | 武汉大学 | Ship transport condition on -line monitoring system based on angle sensor |
| CN105486281A (en) * | 2014-09-16 | 2016-04-13 | 哈尔滨恒誉名翔科技有限公司 | Ship-pedestal-levelness measuring system in mooring condition |
| CN105571615A (en) * | 2015-12-29 | 2016-05-11 | 大连陆海科技股份有限公司 | Calibration method and system for marine dual-axis inclination sensor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202171446U (en) * | 2011-08-02 | 2012-03-21 | 苏州大学 | Photoelectric inclined angle sensor |
| CN102661739A (en) * | 2012-05-15 | 2012-09-12 | 山东大学 | Photoelectric inclined angle sensor |
| CN105486281A (en) * | 2014-09-16 | 2016-04-13 | 哈尔滨恒誉名翔科技有限公司 | Ship-pedestal-levelness measuring system in mooring condition |
| CN204963853U (en) * | 2015-09-22 | 2016-01-13 | 武汉大学 | Ship transport condition on -line monitoring system based on angle sensor |
| CN105571615A (en) * | 2015-12-29 | 2016-05-11 | 大连陆海科技股份有限公司 | Calibration method and system for marine dual-axis inclination sensor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107745783A (en) * | 2017-10-10 | 2018-03-02 | 中国水产科学研究院渔业机械仪器研究所 | A kind of automatic measuring equipment of fishing boat inclining experiment |
| CN107745783B (en) * | 2017-10-10 | 2020-08-04 | 中国水产科学研究院渔业机械仪器研究所 | Automatic measuring equipment for fishing boat inclination test |
| CN108421231A (en) * | 2018-03-27 | 2018-08-21 | 中国海洋大学 | A kind of sailing real-time status recording device |
| CN109387183A (en) * | 2018-12-03 | 2019-02-26 | 广州市建筑科学研究院有限公司 | A kind of drill core hole slope measurement apparatus |
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| Publication number | Publication date |
|---|---|
| CN107089299B (en) | 2019-01-18 |
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