CN103592006A - Method for controlling calibration device of wave height meter and accelerometer - Google Patents
Method for controlling calibration device of wave height meter and accelerometer Download PDFInfo
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- CN103592006A CN103592006A CN201310565712.3A CN201310565712A CN103592006A CN 103592006 A CN103592006 A CN 103592006A CN 201310565712 A CN201310565712 A CN 201310565712A CN 103592006 A CN103592006 A CN 103592006A
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Abstract
The invention discloses a method for controlling a calibration device of a wave height meter and an accelerometer, and relates to a sea condition measuring device and method for a ship model test, in particular to a method for controlling the sea condition measuring instrument calibration device for detecting the performance of the wave height meter and the accelerometer. The method comprises the following steps that the calibration function is selected, and the frequency and the amplitude of the movement of a working platform are set; the accelerometer or the wave height meter is fixed on the working platform, and the output signal end of the accelerometer or the output signal end of the wave height meter is connected to an analog-digital conversion module; the zero position of the working platform is detected and calibrated; an impulse is sent to a servo amplifier according to the set frequency and the set amplitude to drive the working platform to do reciprocating rectilinear motion according to the set frequency and the set amplitude; the actual displacement frequency and the actual amplitude of the working platform are sampled and calculated to be compared and calibrated with an output signal of the wave height meter or an output signal of the accelerometer. The accurate control over the calibration device is achieved through the precise positioning control function of a PLC host computer, the frequency and the amplitude of the movement of the adjusting working platform can be flexibly set and adjusted, the adjustment range is wide, and the control precision is high.
Description
Technical field
The present invention relates to sea situation measuring equipment and method thereof for Ship model test, relate in particular to a kind of control method of the sea situation surveying instrument caliberating device for detection of wave height recorder and accelerometer performance.
Background technology
Wave height recorder and accelerometer are as a kind of sea situation detecting instrument, and its correctness has direct impact to the correct degree of ship model performance test.This detecting instrument belongs to non-standard equipment, without relevant measurement unit, does not know the correct degree of detecting instrument in the use of going to.For the correct order of accuarcy of identifying detecting instrument, need to there is a set of caliberating device that can outputting standard attitude, sea situation detecting instrument is demarcated, determine the correctness of detecting instrument.Chinese invention patent application " wave height recorder, the dual-purpose caliberating device of accelerometer " (Chinese invention patent application numbers 200910195660.9, publication number CN102023046A) disclose a kind of wave height recorder, the dual-purpose caliberating device of accelerometer, comprised that intelligences combination unit, worktable, wave height recorder, runing rest, rotation mandrel, accelerometer, control box, set screw, framework, servomotor, scrambler, water drum form.When runing rest is installed to upright position by rotation mandrel rotation, worktable is in plumbness, and the wave height recorder being arranged on worktable pumps, and the water drum of simulation ocean water plane is arranged at worktable bottom, is used as wave height recorder demarcation.Runing rest rotates while installing to horizontal level by rotation mandrel, worktable is in horizontality, accelerometer horizontal reciprocating movement, as accelerometer, demarcate, although this caliberating device has solved the problem of calibrating of wave height recorder and accelerometer, the accurate control problem of caliberating device attitude rotatable parts still needs to solve.
Summary of the invention
The object of the invention is to provide the control method of a kind of wave height recorder and accelerometer caliberating device, can utilize the accurate positioning control function of PLC main frame to realize the accurate control of caliberating device.
The present invention solves the problems of the technologies described above adopted technical scheme:
The control method of a kind of wave height recorder and accelerometer caliberating device, described wave height recorder and accelerometer caliberating device comprise the worktable of driven by servomotor, and the control device being formed by PLC main frame, pulse producer, servoamplifier, analog-to-digital conversion module and touch screen, it is characterized in that described control method comprises the following steps:
S010: select calibrating function, according to the dynamic range of wave height recorder or accelerometer, set frequency and the amplitude of movable workbench;
S020: if select accelerometer calibrating function, table positions is arrived to horizontal station, and the levelness of correcting working table; Otherwise, go to step S040;
S030: degree of will speed up meter is fixed on worktable, goes to step S060;
S040: table positions is arrived to vertical station, and the verticality of correcting working table;
S050: wave height recorder is fixed on worktable, the water drum on simulation sea level is set below worktable;
S060: the output signal end of wave height recorder or accelerometer is connected to analog-to-digital conversion module;
S070: testing platform zero-bit state, if worktable away from zero-bit state, is carried out manual forward or reverse operation, makes worktable near zero-bit;
S080: carry out reset operation, the zero-bit of staking-out work platform;
S100: according to frequency and the amplitude set, determine pulse transmission rate and quantity, by pulse producer transmitted to servoamplifier;
S110: fed back and realized closed-loop control by rotary encoder, servoamplifier drives servomotor, drives worktable to do linear reciprocating motion by frequency and the amplitude set;
S120: by actual displacement frequency and the amplitude of intelligences combination unit sampling evaluation work platform, compare demarcation with the output signal of wave height recorder or accelerometer, and be presented on touch-screen.
A kind of preferably technical scheme of the control method of wave height recorder of the present invention and accelerometer caliberating device, characterized by further comprising following steps:
S200: select calibration mode, if start automatic Calibration pattern, go to step S100 and carry out automatic Calibration operation; Otherwise, go to step S210 and carry out manual proving operation;
S210: input calibrating and positioning point by touch-screen;
S220: according to calibrating and positioning point, determine pulse quantity forwarded, by pulse producer transmitted to servoamplifier;
S230: feed back by rotary encoder, servoamplifier drives servomotor, drives worktable accurately to arrive anchor point;
S240: by the actual location of intelligences combination unit sampling evaluation work platform, and be presented on touch-screen, compare demarcation with the output signal of wave height recorder or accelerometer.
A kind of improved technical scheme of the control method of wave height recorder of the present invention and accelerometer caliberating device, characterized by further comprising following steps:
S300: if travel frequency or the amplitude value of overstepping the extreme limit of setting, or according to the setting value of frequency or amplitude, calculate the travelling speed value of overstepping the extreme limit producing, by touch-screen, show corresponding warning message, alert correction; If overload or overtemperature fault detected in automatic Calibration mode operation process, enter protectiveness stopped status, by touch-screen output alarm signal.
The invention has the beneficial effects as follows:
1, the control method of wave height recorder of the present invention and accelerometer caliberating device, utilize the accurate positioning control function of PLC main frame and positioning control type pulse output module, realize the accurate control of caliberating device, can arrange flexibly and adjust frequency and the amplitude of movable workbench, range of adjustment is large, and control accuracy is high.
2, the control method of wave height recorder of the present invention and accelerometer caliberating device, can export in real time and show the virtual condition of worktable, compare demarcation with the output signal of wave height recorder and accelerometer, realize dual-use, can pass judgment on intuitively the accuracy of wave height recorder and accelerometer.
3, the control method of wave height recorder of the present invention and accelerometer caliberating device, adopt general Industry Control PLC and servomotor, can fully demonstrate the feature that PLC control device is flexible, reliability is high, can correctly identify at low cost and thereby further reach, reduce costs and put forward high performance object by the order of accuarcy of detecting instrument.
Accompanying drawing explanation
Fig. 1 is the control flow chart of the control method of wave height recorder of the present invention and accelerometer caliberating device;
Fig. 2 is the circuit block diagram of the control device of wave height recorder and accelerometer caliberating device;
Fig. 3 is the electrical schematic diagram of the control device of wave height recorder and accelerometer caliberating device;
Fig. 4 is the schematic diagram that the wave height recorder of wave height recorder and accelerometer caliberating device is demarcated state;
Fig. 5 is the schematic diagram for wave height recorder and accelerometer caliberating device accelerometer demarcation state.
The label of each parts in above figure: 1-intelligences combination unit, 2-worktable, 3-wave height recorder, 4-runing rest, 5-rotates mandrel, 6-accelerometer, 7-control device, 8-adjusting screw, 9-stand, 10-servomotor, 11-rotary encoder, 12-water drum, 500-PLC main frame, 510-pulse producer, 520-servoamplifier, 530-analog-to-digital conversion module, 540-touch screen.
Embodiment
In order to understand better technique scheme of the present invention, below in conjunction with drawings and Examples, describe in detail further.
The control flow of an embodiment of the control method of wave height recorder of the present invention and accelerometer caliberating device as shown in Figure 1, wave height recorder and accelerometer caliberating device comprise the worktable 2 that servomotor 10 drives, described worktable 2 is for fixedly wave height recorder and accelerometer, the intelligences combination unit 1 that servomotor 10 consists of LM guide rail and ball-screw drives worktable 2, referring to Fig. 4 and Fig. 5.The circuit structure of the control device 7 of wave height recorder and accelerometer caliberating device as shown in Figures 2 and 3, is comprised of PLC main frame 500, pulse producer 510, servoamplifier 520, analog-to-digital conversion module 530 and touch screen 540.In the embodiment shown in Fig. 2 and Fig. 3, PLC main frame 500 adopts FX3U series of PLC main frame FX3U-16MR, pulse producer 510 adopts positioning control type pulse output module FX2N-1PG, this module is articulated on PLC main frame by bus, can meet the train of impulses of location condition according to user instruction output, and realize the operations such as initial point involution; Analog-to-digital conversion module 530 adopts 4 tunnels analogy amount load module FX3U-4AD, for the analog signals of wave height recorder or accelerometer is inputted to PLC main frame; Between touch-screen 540 and PLC main frame 500, adopt RS232 serial communication.
The control method of the wave height recorder of the present invention shown in Fig. 1 and accelerometer caliberating device comprises the following steps:
S010: select calibrating function, according to the dynamic range of wave height recorder 3 or accelerometer 6, set frequency and amplitude that worktable 2 moves;
S020: if select accelerometer calibrating function, worktable 2 is navigated to horizontal station, can utilize the levelness of adjusting screw 8 correcting working tables 2 on stand 9 legs, referring to Fig. 5; In Fig. 5, with solid line, represent that worktable 2 navigates to the state of horizontal station.
S030: degree of will speed up meter 6 is fixed on worktable 2, goes to step S060; In Fig. 5, with double dot dash line, represent accelerometer 6.
S040: worktable 2 is navigated to vertical station, can utilize the verticality of adjusting screw 8 correcting working tables 2 on stand 9 legs, referring to Fig. 4; In Fig. 4, with solid line, represent that worktable 2 navigates to the state of vertical station, also with double dot dash line, shown the state for the horizontal station of accelerometer demarcation simultaneously.
S050: wave height recorder 3 is fixed on worktable 2, the water drum 12 on simulation sea level is set below worktable 2; Referring to Fig. 4, in Fig. 4, with solid line, represent that double dot dash line represents wave height recorder 3.
S060: the output signal end of wave height recorder 3 or accelerometer 6 is connected to analog-to-digital conversion module 530; The output signal of wave height recorder 3 or accelerometer 6, by analog-to-digital conversion module 530 mono-road analog input end, is converted to digital signal and sends expression in PLC main frame 500(figure to).
S070: testing platform 2 zero-bit states, if worktable 2 away from zero-bit state, is carried out manual forward or reverse operation, make worktable 2 near zero-bit;
S080: carry out reset operation, the zero-bit of staking-out work platform 2;
S100: according to frequency and the amplitude set, determine pulse transmission rate and quantity, by pulse producer 510 transmitteds to servoamplifier 520;
S110: realize closed-loop control by rotary encoder 11 feedbacks, servoamplifier 520 drives servomotor 10, servomotor 10, by intelligences combination unit 1, drives worktable 2 to do linear reciprocating motion by frequency and the amplitude set;
S120: by intelligences combination unit 1, the actual motion state by pre-fixed sample interval sampling evaluation work platform 2, compares demarcation with the output signal of wave height recorder 3 or accelerometer 6, and be presented on touch-screen 540.
In the example of the control method of the wave height recorder of the present invention shown in Fig. 1 and accelerometer caliberating device, further comprising the steps of:
S200: select calibration mode, if start automatic Calibration pattern, go to step S100 and carry out automatic Calibration operation; Otherwise, go to step S210 and carry out manual proving operation;
S210: by touch-screen 540 input calibrating and positioning points;
S220: according to calibrating and positioning point, determine pulse quantity forwarded, by pulse producer 510 transmitteds to servoamplifier 520;
S230: feed back by rotary encoder 11, servoamplifier 520 drives servomotor 10, drives worktable 2 accurately to arrive anchor point;
S240: by the actual location of 1 sampling of intelligences combination unit evaluation work platform 2, and be presented on touch-screen 540, compare demarcation with the output signal of wave height recorder 3 or accelerometer 6.
In the embodiment of the control method of wave height recorder of the present invention and accelerometer caliberating device, further comprising the steps of:
S300: if travel frequency or the amplitude value of overstepping the extreme limit of setting, or according to the setting value of frequency or amplitude, calculate the travelling speed value of overstepping the extreme limit producing, by touch-screen 540, show corresponding warning message, alert correction; If overload or overtemperature fault detected in automatic Calibration mode operation process, enter protectiveness stopped status, by touch-screen 540 output alarm signals.
Those of ordinary skill in the art will be appreciated that; above embodiment is only for technical scheme of the present invention is described; and be not used as limitation of the invention; any variation of the above embodiment being done based on connotation of the present invention, modification, all will drop in the protection domain of claim of the present invention.
Claims (3)
1. the control method of a wave height recorder and accelerometer caliberating device, described wave height recorder and accelerometer caliberating device comprise the worktable of driven by servomotor, and the control device being formed by PLC main frame, pulse producer, servoamplifier, analog-to-digital conversion module and touch screen, it is characterized in that described control method comprises the following steps:
S010: select calibrating function, according to the dynamic range of wave height recorder or accelerometer, set frequency and the amplitude of movable workbench;
S020: if select accelerometer calibrating function, table positions is arrived to horizontal station, and the levelness of correcting working table; Otherwise, go to step S040;
S030: degree of will speed up meter is fixed on worktable, goes to step S060;
S040: table positions is arrived to vertical station, and the verticality of correcting working table;
S050: wave height recorder is fixed on worktable, the water drum on simulation sea level is set below worktable;
S060: the output signal end of wave height recorder or accelerometer is connected to analog-to-digital conversion module;
S070: testing platform zero-bit state, if worktable away from zero-bit state, is carried out manual forward or reverse operation, makes worktable near zero-bit;
S080: carry out reset operation, the zero-bit of staking-out work platform;
S100: according to frequency and the amplitude set, determine pulse transmission rate and quantity, by pulse producer transmitted to servoamplifier;
S110: fed back and realized closed-loop control by rotary encoder, servoamplifier drives servomotor, drives worktable to do linear reciprocating motion by frequency and the amplitude set;
S120: by actual displacement frequency and the amplitude of intelligences combination unit sampling evaluation work platform, compare demarcation with the output signal of wave height recorder or accelerometer, and be presented on touch-screen.
2. the control method of wave height recorder according to claim 1 and accelerometer caliberating device, characterized by further comprising following steps:
S200: select calibration mode, if start automatic Calibration pattern, go to step S100 and carry out automatic Calibration operation;
Otherwise, go to step S210 and carry out manual proving operation;
S210: input calibrating and positioning point by touch-screen;
S220: according to calibrating and positioning point, determine pulse quantity forwarded, by pulse producer transmitted to servoamplifier;
S230: feed back by rotary encoder, servoamplifier drives servomotor, drives worktable accurately to arrive anchor point;
S240: by the actual location of intelligences combination unit sampling evaluation work platform, and be presented on touch-screen, compare demarcation with the output signal of wave height recorder or accelerometer.
3. the control method of wave height recorder according to claim 1 and accelerometer caliberating device, characterized by further comprising following steps:
S300: if travel frequency or the amplitude value of overstepping the extreme limit of setting, or according to the setting value of frequency or amplitude, calculate the travelling speed value of overstepping the extreme limit producing, by touch-screen, show corresponding warning message, alert correction; If overload or overtemperature fault detected in automatic Calibration mode operation process, enter protectiveness stopped status, by touch-screen output alarm signal.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310565712.3A CN103592006A (en) | 2013-11-13 | 2013-11-13 | Method for controlling calibration device of wave height meter and accelerometer |
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| CN201310565712.3A CN103592006A (en) | 2013-11-13 | 2013-11-13 | Method for controlling calibration device of wave height meter and accelerometer |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105953869A (en) * | 2016-05-04 | 2016-09-21 | 江苏科技大学 | Wave height meter wave height measuring precision correcting system and measurement correcting method |
| CN110412313A (en) * | 2019-08-24 | 2019-11-05 | 大连理工大学 | A kind of scaling method of ship true wind measuring device |
| CN110554213A (en) * | 2019-08-24 | 2019-12-10 | 大连理工大学 | Device for ship true wind measurement calibration |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102022986A (en) * | 2009-09-14 | 2011-04-20 | 上海诸光机械有限公司 | Calibration device for attitude indicator |
| CN102023046A (en) * | 2009-09-14 | 2011-04-20 | 上海诸光机械有限公司 | Wave height recorder and accelerometer double-purpose calibration device |
| CN202815013U (en) * | 2012-06-06 | 2013-03-20 | 华北电力大学（保定） | Full-automatic linear vibration table used for detection of inertial instrument |
-
2013
- 2013-11-13 CN CN201310565712.3A patent/CN103592006A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102022986A (en) * | 2009-09-14 | 2011-04-20 | 上海诸光机械有限公司 | Calibration device for attitude indicator |
| CN102023046A (en) * | 2009-09-14 | 2011-04-20 | 上海诸光机械有限公司 | Wave height recorder and accelerometer double-purpose calibration device |
| CN202815013U (en) * | 2012-06-06 | 2013-03-20 | 华北电力大学（保定） | Full-automatic linear vibration table used for detection of inertial instrument |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105953869A (en) * | 2016-05-04 | 2016-09-21 | 江苏科技大学 | Wave height meter wave height measuring precision correcting system and measurement correcting method |
| CN105953869B (en) * | 2016-05-04 | 2019-05-21 | 江苏科技大学 | A kind of update the system and measurement modification method for wave height recorder wave high measurement accuracy |
| CN110412313A (en) * | 2019-08-24 | 2019-11-05 | 大连理工大学 | A kind of scaling method of ship true wind measuring device |
| CN110554213A (en) * | 2019-08-24 | 2019-12-10 | 大连理工大学 | Device for ship true wind measurement calibration |
| CN110554213B (en) * | 2019-08-24 | 2020-07-14 | 大连理工大学 | Device for ship true wind measurement calibration |
| CN110412313B (en) * | 2019-08-24 | 2020-07-14 | 大连理工大学 | Calibration method of ship true wind measuring device |
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Application publication date: 20140219 |