CN104483948A - Stage multidimensional synchronous control system - Google Patents
Stage multidimensional synchronous control system Download PDFInfo
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- CN104483948A CN104483948A CN201410781322.4A CN201410781322A CN104483948A CN 104483948 A CN104483948 A CN 104483948A CN 201410781322 A CN201410781322 A CN 201410781322A CN 104483948 A CN104483948 A CN 104483948A
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- 230000001360 synchronised effect Effects 0.000 title claims abstract description 30
- 230000005540 biological transmission Effects 0.000 claims abstract description 8
- 238000006243 chemical reaction Methods 0.000 claims description 18
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical compound C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 claims description 13
- 238000004891 communication Methods 0.000 claims description 9
- 230000005284 excitation Effects 0.000 claims description 3
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
- G05B19/4185—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by the network communication
- G05B19/41855—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by the network communication by local area network [LAN], network structure
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/06—Synchronising arrangements
- H04J3/0635—Clock or time synchronisation in a network
- H04J3/0685—Clock or time synchronisation in a node; Intranode synchronisation
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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- Engineering & Computer Science (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Quality & Reliability (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a stage multidimensional synchronous control system. Use cost and energy consumption are greatly reduced by arranging a Beidou positioning unit in each stage subsystem; a relay transmitting unit adopts two types of network connection, and can give consideration to data transmission amount and power consumption; accurate synchronization of the stage subunits can be realized by calculating a synchronous scheme of timer deviation and transmission time delay.
Description
Technical field
The present invention relates to Stage Equipment Control field, particularly relate to a kind of stage multidimensional synchronous control system.
Background technology
The continuous lifting of modern stage motion portrayal, increasing performance needs more accurate, the effect having more artistic appeal presents to realize, although stage effect sound at present, light, the each subsystem technology development of electricity, but due to the subsystems that forms whole Stage System and unit (such as, illumination subsystems, sound equipment subsystem, mechanical subsystem, display subsystem, LED unit, loudspeaker unit, elevator stage unit, display screen unit etc.) produced by different manufacturers, standard is different, when the stage subelement composition stage performance system of One's name is legion, how United Dispatching just seems very important with coordinating.
And United Dispatching or coordination will be accomplished, the precise synchronization of each subelement and central control unit is exactly necessary.Along with the development of computer network, extensive stage performance at present, to the requirement synchronously proposing Microsecond grade of stage multidimensional control system.
Be widely used in the method mainly big-dipper satellite timing of Timing Synchronization at present.Big-dipper satellite timing has quite high synchronization accuracy, but its cost is higher and energy consumption is larger, for the system having extensive stage subelement, if each subelement (such as each LED, each loudspeaker) big-dipper satellite timing unit is installed, its total cost may be difficult to accept.
Therefore, the stage multidimensional synchronous control system designing a kind of simple and reliable low cost is necessary.
Summary of the invention
The object of the invention is to be achieved through the following technical solutions.
According to the embodiment of the present invention, propose a kind of stage multidimensional synchronous control system, described system comprises: stage central control unit, stage LAN (Local Area Network), conversion unit of protocol, relay forwarding unit and stage subelement; Stage central control unit is connected by stage LAN (Local Area Network) with conversion unit of protocol, conversion unit of protocol connects each relay forwarding unit in stage multidimensional synchronous control system by first kind network, and each relay forwarding unit is connected with the stage subelement in stage subsystem by Second Type network; Each relay forwarding unit configures Big Dipper positioning unit.
According to the embodiment of the present invention, described relay forwarding unit and stage subelement are all when sending data, data are arrived the fixed timing mark of data link sub-layers from medium access control sublayer and is used as accurately sending timing, when receiving data, data being arrived the fixed timing mark of medium access control sublayer from data link sub-layers and is used as accurately receiving timing.
According to the embodiment of the present invention, described stage multidimensional synchronous control system performs and synchronously specifically comprises:
S1, stage central control unit are by the order of stage LAN (Local Area Network) issuing control, and this control command is given each relay forwarding unit by first kind forwarded by conversion unit of protocol;
After S2, each relay forwarding unit receive control command, start Big Dipper positioning unit real-time reception big-dipper satellite timing signal built-in separately, produce accurate instantaneous excitation signal and as the timer reference point of relay forwarding unit, the timer of relaying retransmission unit inside is corrected, thus realizes the timer synchronization of each relay forwarding unit.
S3, each relay forwarding unit carry out timer synchronization to each the stage subelement in stage subsystem in order successively by Second Type network.
According to the embodiment of the present invention, described S3 carries out timer synchronization to a stage subelement and specifically comprises:
S3-1, relay forwarding unit send a synchronization message S to stage subelement, and measure accurate transmission timing T1, and the accurate timing T2 of reception measured by stage subelement; Relay forwarding unit sends one and follows message F after S message sends, and carries described T1 in this F message;
S3-2, stage subelement correct current timer deviation: P=T2-T1-D, wherein, P is the current timer deviation between relay forwarding unit and stage subelement, D is the current transmission time delay timing between relay forwarding unit and stage subelement, before first time timer synchronization, make D=0;
S3-3, stage subelement correct local timer Ts:Ts=Ts-P;
S3-4, stage subelement send time delay request message DR to relay forwarding unit, and mark sends timing T3 accurately, after relay forwarding unit receives DR, mark the T4 of DR message sink timing accurately, and return to stage subelement at DELAY RESPONSE message bag Dr;
S3-5, stage subelement correct propagation delay time timing D=(T4-T3)/2;
S3-6, stage subelement correct current timer deviation P=-D;
S3-7, stage subelement correct local timer Ts:Ts=Ts-P.
According to the preferred embodiment of the present invention, described before entering normal work, carry out the timer synchronization of many wheels as described in S3, D adopts the D value after a front timer synchronization.
According to the preferred embodiment of the present invention, after stage multidimensional synchronous control system enters normal control command reiving/transmitting state, comprise further: periodically performing described S3, to realize the real-time clock of each stage subelement in stage subsystem synchronous.
According to the preferred embodiment of the present invention, communication between relay forwarding unit and conversion unit of protocol is: instantaneous exciting evenly is divided into several timing sections, each relay forwarding unit occupies respective timing section, completes alone the communication task with conversion unit of protocol in respective timing section.
According to the preferred embodiment of the present invention, after stage multidimensional synchronous control system enters normal control command reiving/transmitting state, communication between relay forwarding unit and stage subelement is: relay forwarding unit adopts the mode circulated to conduct interviews to each stage subelement in stage subsystem, completes exchanges data.
According to the preferred embodiment of the present invention, described first kind network is the one in CAN, 802.11 wireless networks; Described Second Type network is the one in ZIGBEE wireless network, blue tooth radio network, and first network is different from second network.
Stage multidimensional synchronous control system of the present invention, by arranging Big Dipper positioning unit at each stage subsystem, greatly reduce use cost and energy consumption, relay forwarding unit adopts two type networks to connect, volume of transmitted data and power consumption can be taken into account, and by calculating the synchronization scenario of timer deviation and propagation delay time, the precise synchronization of all stage subelements can be realized.
Accompanying drawing explanation
By reading hereafter detailed description of the preferred embodiment, various other advantage and benefit will become cheer and bright for those of ordinary skill in the art.Accompanying drawing only for illustrating the object of preferred implementation, and does not think limitation of the present invention.And in whole accompanying drawing, represent identical parts by identical reference symbol.In the accompanying drawings:
Figure 1 show the stage multidimensional synchronous control system structural representation according to embodiment of the present invention;
Figure 2 illustrate and perform synchronous process flow diagram according to the stage multidimensional synchronous control system of embodiment of the present invention.
Embodiment
Below with reference to accompanying drawings illustrative embodiments of the present disclosure is described in more detail.Although show illustrative embodiments of the present disclosure in accompanying drawing, however should be appreciated that can realize the disclosure in a variety of manners and not should limit by the embodiment of setting forth here.On the contrary, provide these embodiments to be in order to more thoroughly the disclosure can be understood, and complete for the scope of the present disclosure can be conveyed to those skilled in the art.
According to the embodiment of the present invention, propose a kind of stage multidimensional synchronous control system, as shown in Figure 1, described system comprises: stage central control unit, stage LAN (Local Area Network), conversion unit of protocol, relay forwarding unit and stage subelement; Stage central control unit is connected by stage LAN (Local Area Network) with conversion unit of protocol, conversion unit of protocol connects each relay forwarding unit in stage multidimensional synchronous control system by first kind network, and each relay forwarding unit is connected with the stage subelement in stage subsystem by Second Type network; Each relay forwarding unit configures Big Dipper positioning unit; Described stage subelement can be, but be not limited to, single loudspeaker, LED, follow spot light, lifting table, curtain etc., described multiple loudspeaker (also can be multiple LED etc.) can form a stage subsystem, and a stage subsystem comprises multiple stage subelement; Each stage subsystem arranges a relay forwarding unit.
According to the embodiment of the present invention, described relay forwarding unit and stage subelement are all when sending data, data are arrived the fixed timing mark of data link sub-layers from medium access control sublayer and is used as accurately sending timing, when receiving data, data being arrived the fixed timing mark of medium access control sublayer from data link sub-layers and is used as accurately receiving timing.
According to the embodiment of the present invention, described stage multidimensional synchronous control system performs synchronous method step and specifically comprises, as shown in Figure 2:
S1, stage central control unit are by the order of stage LAN (Local Area Network) issuing control, and this control command is given each relay forwarding unit by first kind forwarded by conversion unit of protocol;
After S2, each relay forwarding unit receive control command, start Big Dipper positioning unit real-time reception big-dipper satellite timing signal built-in separately, produce accurate instantaneous excitation signal and as the timer reference point of relay forwarding unit, the timer of relaying retransmission unit inside is corrected, thus realizes the timer synchronization of each relay forwarding unit.
S3, each relay forwarding unit carry out timer synchronization to each the stage subelement in stage subsystem in order successively by Second Type network.
According to the embodiment of the present invention, described step S3 the detailed process that a stage subelement carries out timer synchronization is comprised:
S3-1, relay forwarding unit send a synchronization message S to stage subelement, and measure accurate transmission timing T1, and the accurate timing T2 of reception measured by stage subelement; Relay forwarding unit sends one and follows message F after S message sends, and carries described T1 in this F message;
S3-2, stage subelement correct current timer deviation: P=T2-T1-D, wherein, P is the current timer deviation between relay forwarding unit and stage subelement, D is the current transmission time delay timing between relay forwarding unit and stage subelement, before first time timer synchronization, make D=0;
S3-3, stage subelement correct local timer Ts:Ts=Ts-P;
S3-4, stage subelement send time delay request message DR to relay forwarding unit, and mark sends timing T3 accurately, after relay forwarding unit receives DR, mark the T4 of DR message sink timing accurately, and return to stage subelement at DELAY RESPONSE message bag Dr;
S3-5, stage subelement correct propagation delay time timing D=(T4-T3)/2;
S3-6, stage subelement correct current timer deviation P=-D;
S3-7, stage subelement correct local timer Ts:Ts=Ts-P.
After this, stage multidimensional synchronous control system enters normal control command reiving/transmitting state.
According to the preferred embodiment of the present invention, described before entering normal work, carry out the timer synchronization of many wheels as described in step S3, and D does not need to reset to 0, uses the D value after a front timer synchronization.
According to the preferred embodiment of the present invention, after stage multidimensional synchronous control system enters normal control command reiving/transmitting state, comprise further: periodically performing described S3, to realize the real-time clock of each stage subelement in stage subsystem synchronous.
According to the preferred embodiment of the present invention, communication between relay forwarding unit and conversion unit of protocol is: instantaneous exciting evenly is divided into several timing sections, each relay forwarding unit occupies respective timing section, completes alone the communication task with conversion unit of protocol in respective timing section.
According to the preferred embodiment of the present invention, after stage multidimensional synchronous control system enters normal control command reiving/transmitting state, communication between relay forwarding unit and stage subelement is: relay forwarding unit adopts the mode circulated to conduct interviews to each stage subelement in stage subsystem, completes exchanges data.
According to the preferred embodiment of the present invention, described first kind network may be, but not limited to, the one in CAN, 802.11 wireless networks; Described Second Type network may be, but not limited to, the one in ZIGBEE wireless network, blue tooth radio network, and first network is different from second network.
The above; be only the present invention's preferably embodiment, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should described be as the criterion with the protection domain of claim.
Claims (9)
1. a stage multidimensional synchronous control system, described system comprises: stage central control unit, stage LAN (Local Area Network), conversion unit of protocol, relay forwarding unit and stage subelement; Stage central control unit is connected by stage LAN (Local Area Network) with conversion unit of protocol, conversion unit of protocol connects each relay forwarding unit in stage multidimensional synchronous control system by first kind network, and each relay forwarding unit is connected with the stage subelement in stage subsystem by Second Type network; Each relay forwarding unit configures Big Dipper positioning unit.
2. the system as claimed in claim 1, described relay forwarding unit and stage subelement are all when sending data, data are arrived the fixed timing mark of data link sub-layers from medium access control sublayer and is used as accurately sending timing, when receiving data, data being arrived the fixed timing mark of medium access control sublayer from data link sub-layers and is used as accurately receiving timing.
3. a system as claimed in claim 2, described stage multidimensional synchronous control system performs and synchronously specifically comprises:
S1, stage central control unit are by the order of stage LAN (Local Area Network) issuing control, and this control command is given each relay forwarding unit by first kind forwarded by conversion unit of protocol;
After S2, each relay forwarding unit receive control command, start Big Dipper positioning unit real-time reception big-dipper satellite timing signal built-in separately, produce accurate instantaneous excitation signal and as the timer reference point of relay forwarding unit, the timer of relaying retransmission unit inside is corrected, thus realizes the timer synchronization of each relay forwarding unit.
S3, each relay forwarding unit carry out timer synchronization to each the stage subelement in stage subsystem in order successively by Second Type network.
4. a system as claimed in claim 3, described S3 carries out timer synchronization to a stage subelement and specifically comprises:
S3-1, relay forwarding unit send a synchronization message S to stage subelement, and measure accurate transmission timing T1, and the accurate timing T2 of reception measured by stage subelement; Relay forwarding unit sends one and follows message F after S message sends, and carries described T1 in this F message;
S3-2, stage subelement correct current timer deviation: P=T2-T1-D, wherein, P is the current timer deviation between relay forwarding unit and stage subelement, D is the current transmission time delay timing between relay forwarding unit and stage subelement, before first time timer synchronization, make D=0;
S3-3, stage subelement correct local timer Ts:Ts=Ts-P;
S3-4, stage subelement send time delay request message DR to relay forwarding unit, and mark sends timing T3 accurately, after relay forwarding unit receives DR, mark the T4 of DR message sink timing accurately, and return to stage subelement at DELAY RESPONSE message bag Dr;
S3-5, stage subelement correct propagation delay time timing D=(T4-T3)/2;
S3-6, stage subelement correct current timer deviation P=-D;
S3-7, stage subelement correct local timer Ts:Ts=Ts-P.
5. a system as claimed in claim 4, described before entering normal work, carry out the timer synchronization of many wheels as described in S3, D adopts the D value after a front timer synchronization.
6. a system as claimed in claim 5, after stage multidimensional synchronous control system enters normal control command reiving/transmitting state, comprises further: periodically performing described S3, to realize the real-time clock of each stage subelement in stage subsystem synchronous.
7. a system as claimed in claim 6, communication between relay forwarding unit and conversion unit of protocol is: instantaneous exciting evenly is divided into several timing sections, each relay forwarding unit occupies respective timing section, completes alone the communication task with conversion unit of protocol in respective timing section.
8. a system as claimed in claim 7, after stage multidimensional synchronous control system enters normal control command reiving/transmitting state, communication between relay forwarding unit and stage subelement is: relay forwarding unit adopts the mode circulated to conduct interviews to each stage subelement in stage subsystem, completes exchanges data.
9. a system as claimed in claim 8, described first kind network is the one in CAN, 802.11 wireless networks; Described Second Type network is the one in ZIGBEE wireless network, blue tooth radio network, and first network is different from second network.
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Cited By (3)
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| CN105094100A (en) * | 2015-09-14 | 2015-11-25 | 浙江大丰实业股份有限公司 | Multi-module cooperation stage control system |
| CN105116775A (en) * | 2015-08-18 | 2015-12-02 | 浙江大丰实业股份有限公司 | An intelligent motion stage two-way-transmission control system |
| CN105137842A (en) * | 2015-08-28 | 2015-12-09 | 浙江大丰实业股份有限公司 | Stage adaptive coupling device |
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