CN204945806U - A kind of multifunctional control device being applicable to Swaying Test Platform - Google Patents
A kind of multifunctional control device being applicable to Swaying Test Platform Download PDFInfo
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- CN204945806U CN204945806U CN201520650294.2U CN201520650294U CN204945806U CN 204945806 U CN204945806 U CN 204945806U CN 201520650294 U CN201520650294 U CN 201520650294U CN 204945806 U CN204945806 U CN 204945806U
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Abstract
The utility model discloses a kind of multifunctional control device being applicable to Swaying Test Platform, comprise the servo-control system of host computer, slave computer, control sensor, obliquity sensor and Swaying Test Platform, described host computer is connected by Ethernet with described slave computer, described control sensor and described servo-control system are all connected with described slave computer by electrical connection, and described obliquity sensor is arranged in described Swaying Test Platform.The sine that a kind of multifunctional control device being applicable to Swaying Test Platform described in the utility model can realize Swaying Test Platform surely frequency, sine sweep, random and temporal tracking waves control, this control device system is simple simultaneously, module is few, it is convenient to be easy to installation, maintenance, is applicable to wave control field.
Description
Technical field
The utility model relates to automatic control technology field, particularly relates to a kind of being applicable to and simulates the single shaft of sea transport environment or the multifunctional control device of multiaxis Swaying Test Platform.
Background technology
Shipborne weapon is all kinds of surface ship important component parts, and be the force at the core forming surface ship operation and defence capability, the quality of shipborne weapon performance directly affects fighting efficiency and the fight capability of naval vessels.Along with the change of international-style, maritime operations is more and more important in modern war, and this just proposes stricter requirement to the quality level of shipborne weapons system.Shipborne weapons system because being subject to wind, wave, stream, tide and naval vessel waving inherently, inevitably produce rock, the oscillating motion such as rotation.This oscillating motion will cause certain influence to shipborne weapons system, even damage.Play its effectiveness to ensure that shipborne weapons system is normal in marine environment, waving environmental suitability certification test to shipborne weapons system is necessary and effective means.Common Swaying Test Platform is based on diaxon or three-axis swinging, also the multifreedom motion emulation platform based on stewart structure is had, its rolling test is generally shaken based on rolling, pitching and head, and GJB150.23A-2009 also specify military hardware rolling test condition and harsh grade.
At present, sinusoidal wobble is mainly adopted to control to the control of Swaying Test Platform motion.The such as multiple degrees of freedom Swaying Test Platform of the Tianjin good fortune skies wing, the development of Harbin naval engineering university, such Swaying Test Platform uses hydraulic pressure or motor to drive, and control strategy adopts position, speed, electric current three Close loop servo control mode, realizes sinusoidal wobble and controls.In addition, the Three-shaft swinging test bed of Wuhan photoelectricity research government test room research and development, this Swaying Test Platform also uses motor to drive, and control strategy adopts the fuzzy control method based on inquiry mode, can realize Swaying Test Platform sine wave and triangular wave motion.But along with improving constantly shipborne weapon performance requirement, simple sine or triangle rolling test can not meet objectives of examination, need to simulate more truly and comprehensive assessment actual sea transport environmental working condition, the control mode related to comprise sinusoidal fixed frequency, sine sweep, at random, the various ways such as temporal tracking.Sine sweep rolling test can realize all standing examination to the different rolling period of test specimen; Random rolling test can simulate the approximate simulation of the random statistical characteristic quantity under long-time sea transport environment; Temporal tracking then carries out tracing control according to the time history signal of environment parameter, to reach the effect of real simulation sea transport environment more for the operating mode of waving of reality.Controlling functions is waved in order to what realize these complexity, usually simple rocking controller or signal generator can not meet test demand, need to develop a set of possess sinusoidal fixed frequency, sine sweep, at random, the swing controlling device of temporal tracking various control function.Specialty is not used for the swing controlling device of Swaying Test Platform in the market, only has vibrating controller or signal generator.Vibrating controller can realize the vibration controls such as sinusoidal, random, Waveform reproduction, although control similar with waving in control mode, it all has larger difference in control object and control principle.Vibrating controller control object is electronic or electro-hydraulic shaker table, realizes the control of frequency domain spectra, and controlled frequency scope is at more than 0.5Hz.And the control object of swing controlling device is Swaying Test Platform, control cycle is greater than 3s.Vibrating controller technical parameter can not meet the demand of waving control, is not suitable for the control of Swaying Test Platform.
Utility model content
The purpose of this utility model is just to provide a kind of multifunctional control device being applicable to Swaying Test Platform to solve the problem.
The utility model is achieved through the following technical solutions above-mentioned purpose:
A kind of multifunctional control device being applicable to Swaying Test Platform, comprise the servo-control system of host computer, slave computer, control sensor, obliquity sensor and Swaying Test Platform, described host computer is connected by Ethernet with described slave computer, described control sensor and described servo-control system are all connected with described slave computer by electrical connection, and described obliquity sensor is arranged in described Swaying Test Platform.
Particularly, described slave computer comprises PXIRT controller and signal fits mode transfer block, described PXIRT controller is connected with described host computer by Ethernet, described signal is fitted mode transfer block and is electrically connected with described PXIRT controller is two-way, obliquity sensor in described control sensor and the described signal inclination angle of fitting in mode transfer block are fitted mode transfer block and are electrically connected, and described signal is fitted mode transfer block and realized digital communication by data collecting card or bus data card and described servo-control system.
Further, described control device also comprises direct supply, and described direct supply is described PXIRT controller and described signal suitable tune module for power supply.
Preferably, described PXIRT controller, described data collecting card or described bus communication card, described direct supply and described signal fit mode transfer block by slave computer control cabinet encapsulate.
The beneficial effects of the utility model are:
The sine that a kind of multifunctional control device being applicable to Swaying Test Platform described in the utility model can realize Swaying Test Platform surely frequency, sine sweep, random and temporal tracking waves control, this control device system is simple simultaneously, module is few, it is convenient to be easy to installation, maintenance, is applicable to wave control field.
Accompanying drawing explanation
Fig. 1 is a kind of structured flowchart being applicable to the Multifunctional controlling control device of Swaying Test Platform described in the utility model;
Fig. 2 is a kind of process flow diagram being applicable to the Multifunctional controlling control method of Swaying Test Platform described in the utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
As shown in Figure 1, a kind of multifunctional control device being applicable to Swaying Test Platform of the utility model, it is characterized in that: comprise host computer, slave computer, direct supply, control sensor, the servo-control system of obliquity sensor and Swaying Test Platform, host computer is connected by Ethernet with slave computer, control sensor to be all connected with slave computer by electrical connection with servo-control system, obliquity sensor is arranged in Swaying Test Platform, slave computer comprises PXIRT controller and signal fits mode transfer block, PXIRT controller is connected with host computer by Ethernet, signal is fitted mode transfer block and is electrically connected with PXIRT controller is two-way, the obliquity sensor controlled in sensor is fitted mode transfer block with the signal inclination angle of fitting in mode transfer block and is electrically connected, signal is fitted mode transfer block and is realized digital communication by data collecting card or bus data card and servo-control system, direct supply is PXIRT controller and signal suitable tune module for power supply, PXIRT controller, data collecting card or bus communication card, direct supply and signal are fitted mode transfer block and are encapsulated by slave computer control cabinet.
The core algorithm of control device is realized by PXIRT controller, 1ms (i.e. 1K sample frequency) accurately closed-loop control step-length can be reached, and make use of shared variable communication modes, ensure that data are not uninterruptedly lost a collection and sent in real time, by configuration data capture card or bus communication card, analogue communication or the digital communication of rocking controller and Swaying Test Platform servo-control system can be realized.
Control device have employed the mode of operation of upper and lower computer, and host computer adopts common computer or notebook computer as human-computer interaction interface, has the functions such as optimum configurations, hardware check, controling parameters adjustment, steering order transmission and curve display; Slave computer is PXIRT controller and addition of multichannel obliquity sensor signal condition circuit, and controlling sensor is single shaft or double-shaft tilt angle sensor.
As shown in Figure 2, a kind of multifunctional control method being applicable to Swaying Test Platform, frequency waves control method calmly, sine sweep waves control method, wave control method at random and temporal tracking waves control method to comprise sine.Waving control method is carry out real-time closed-loop control by PXIRT controller, accurate fixed step size is 1ms, ensure that accurate timing and the realtime control of signal, utilize shared variable mode simultaneously, carry out the input of hyperchannel Setting signal and control signal output, uninterruptedly can not lose real time execution a little with the transmission and control signal collection that ensure Setting signal.
Before carrying out control flow, need to carry out system initialization and self-inspection, specifically comprise the following steps, first initialization system, comprise system parameter setting, reference signal is arranged; After waiting for on-test, System self-test; If self-inspection is not passed through, system enters initialization again, if self-inspection is passed through, system enters rocking process; After rocking process stops, system reenters initialization.
Sinusoidal fixed frequency waves control method and comprises the following steps: send after carrying out System Discrimination and open signal frequently, when wave magnitude reach determine frequency setting magnitude value time, fixed frequency waves beginning, gather the angular displacement signal of Swaying Test Platform complete cycle, identify collection signal amplitude, and contrast with setting value, after revising drive singal amplitude, send new drive singal to Swaying Test Platform;
Sine sweep waves control method and comprises the following steps: send after carrying out System Discrimination and open signal frequently, when the cycle of waving magnitude and reach setting waves spectrum Initial Quantity Order, frequency sweep waves beginning, introduce transport function gain, revise drive singal amplitude, according to the cycle wave spectrum the current time cycle and revised drive singal amplitude form new drive singal, send new drive singal to Swaying Test Platform; The transport function gain of Swaying Test Platform under different cycles that sine sweep waves in control method utilizes the system-gain discrimination method of nodal frequency to calculate, and carry out the gain linearity matching of Whole frequency band, in order to compensate the driving amplitude in sine sweep process, and the amplitude of amplitude feedback compensation to drive singal being introduced in ring is revised.
Wave control method at random to comprise the following steps: after carrying out System Discrimination, produce initial random signal, and send to Swaying Test Platform after carrying out filtering process, gather the angular displacement signal of Swaying Test Platform, add up the root-mean-square value of this signal, drive singal is revised after introducing transport function, produce new random drive, after filtering process, be sent to Swaying Test Platform; Wave the bandwidth random signal identification system gain that control method utilizes Whole frequency band at random, compensate drive singal root mean square.
Temporal tracking waves control method and comprises the following steps: after carrying out System Discrimination, sends and opens signal frequently, when waving magnitude and reaching initial time domain tracking signal, temporal tracking waves beginning, introduce least standard criterion device, calculate a step drive of lead, driving is sent to Swaying Test Platform.Temporal tracking waves control method and reaches the minimum step calculating controller to the objective function containing object prediction of output square-error export in advance by introducing least standard criterion device, realize Swaying Test Platform to export, can asymptotic indifference ground track reference time history signal, according to factors such as non-linear, the structural complexities of Swaying Test Platform, the linear model intending employing 3 ~ 5 rank carrys out approximation ratio comparatively rationally, and corresponding track algorithm also will be restrained rapidly.
Sine is fixed, and frequency waves control method, sine sweep waves control method, wave control method at random and temporal tracking waves opening frequently of control method and stop signal all adopts semisinusoidal window windowing mode, realize the swing control signal of Swaying Test Platform zero initial zero terminates the stopping of peaceful delay startup, ensure that in the Swaying Test Platform course of work and steadily waves control and zero initial zero end.
The technical solution of the utility model is not limited to the restriction of above-mentioned specific embodiment, and every technology distortion made according to the technical solution of the utility model, all falls within protection domain of the present utility model.
Claims (4)
1. one kind is applicable to the multifunctional control device of Swaying Test Platform, it is characterized in that: the servo-control system comprising host computer, slave computer, control sensor, obliquity sensor and Swaying Test Platform, described host computer is connected by Ethernet with described slave computer, described control sensor and described servo-control system are all connected with described slave computer by electrical connection, and described obliquity sensor is arranged in described Swaying Test Platform.
2. the multifunctional control device being applicable to Swaying Test Platform according to claim 1, it is characterized in that: described slave computer comprises PXIRT controller and signal fits mode transfer block, described PXIRT controller is connected with described host computer by Ethernet, described signal is fitted mode transfer block and is electrically connected with described PXIRT controller is two-way, obliquity sensor in described control sensor and the described signal inclination angle of fitting in mode transfer block are fitted mode transfer block and are electrically connected, and described signal is fitted mode transfer block and realized digital communication by data collecting card or bus data card and described servo-control system.
3. the multifunctional control device being applicable to Swaying Test Platform according to claim 2, is characterized in that: also comprise direct supply, and described direct supply is described PXIRT controller and described signal suitable tune module for power supply.
4. the multifunctional control device being applicable to Swaying Test Platform according to claim 3, is characterized in that: described PXIRT controller, described data collecting card or described bus communication card, described direct supply and described signal are fitted mode transfer block and encapsulated by slave computer control cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520650294.2U CN204945806U (en) | 2015-08-26 | 2015-08-26 | A kind of multifunctional control device being applicable to Swaying Test Platform |
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| CN201520650294.2U CN204945806U (en) | 2015-08-26 | 2015-08-26 | A kind of multifunctional control device being applicable to Swaying Test Platform |
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| CN204945806U true CN204945806U (en) | 2016-01-06 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105022414A (en) * | 2015-08-26 | 2015-11-04 | 中国工程物理研究院总体工程研究所 | Multifunctional control method and control device for swaying testing stand |
| CN108827624A (en) * | 2018-08-27 | 2018-11-16 | 浙江中星光电子科技有限公司 | One kind waving test adjusting method and waves test macro |
-
2015
- 2015-08-26 CN CN201520650294.2U patent/CN204945806U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105022414A (en) * | 2015-08-26 | 2015-11-04 | 中国工程物理研究院总体工程研究所 | Multifunctional control method and control device for swaying testing stand |
| CN105022414B (en) * | 2015-08-26 | 2017-08-25 | 中国工程物理研究院总体工程研究所 | A kind of multifunctional control method and control device suitable for Swaying Test Platform |
| CN108827624A (en) * | 2018-08-27 | 2018-11-16 | 浙江中星光电子科技有限公司 | One kind waving test adjusting method and waves test macro |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160106 Effective date of abandoning: 20170825 |