CN104483948B - Stage multidimensional synchronous control system - Google Patents
Stage multidimensional synchronous control system Download PDFInfo
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- CN104483948B CN104483948B CN201410781322.4A CN201410781322A CN104483948B CN 104483948 B CN104483948 B CN 104483948B CN 201410781322 A CN201410781322 A CN 201410781322A CN 104483948 B CN104483948 B CN 104483948B
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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
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- 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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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, more particularly to a kind of stage multidimensional synchronous control system.
Background technology
The continuous lifting of modern stage motion portrayal, increasing performance are needed more accurately, with more artistic infection
The effect of power presents to realize, although stage effect sound, light, electric each subsystem technology constantly develop at present, but due to composition
Subsystems and unit (for example, illumination subsystems, sound equipment subsystem, mechanical subsystem, the display subsystem of whole Stage System
System, LED unit, loudspeaker unit, elevator stage unit, display screen unit etc.) produced by different manufacturers, standard is different,
When large number of stage subelement composition stage performance system, how United Dispatching just seems particularly important with coordination.
And United Dispatching or coordination will be accomplished, each subelement is exactly necessary with the precise synchronization of central control unit.
With the development of computer network, extensive stage performance, has proposed to the synchronization of stage multidimensional control system micro- at present
The requirement of second level.
The method for being now widely used in Timing Synchronization is mainly big-dipper satellite timing.Big-dipper satellite timing has at a relatively high
Synchronization accuracy, but which is relatively costly and energy consumption is larger, for the system of extensive stage subelement is possessed, if each
Subelement (such as each LED, each speaker) installs big-dipper satellite timing unit, and its totle drilling cost is likely difficult to receive.
Therefore, it is necessary to design a kind of stage multidimensional synchronous control system of simple and reliable low cost.
The content of the invention
The purpose of the present invention is achieved through the following technical solutions.
According to the embodiment of the present invention, a kind of stage multidimensional synchronous control system is proposed, the system includes：In stage
Centre control unit, stage LAN, conversion unit of protocol, relay forwarding unit and stage subelement；Stage central control unit
It is connected by stage LAN with conversion unit of protocol, conversion unit of protocol passes through first kind network connection stage multidimensional synchronization
Each relay forwarding unit in control system, each relay forwarding unit is by Second Type network and stage subsystem
Stage subelement is connected；Big Dipper positioning unit is configured on each relay forwarding unit.
According to the embodiment of the present invention, the relay forwarding unit and stage subelement send data when, by number
According to being used as accurately sending timing under the fixed timing mark from medium access control sublayer arrival data link sub-layers, number is being received
According to when, data are reached from data link sub-layers and under the fixed timing mark of medium access control sublayer, are used as accurately receiving fixed
When.
According to the embodiment of the present invention, the stage multidimensional synchronous control system performs synchronous specifically including：
S1, stage central control unit issue control command by stage LAN, and the control is ordered by conversion unit of protocol
Order gives each relay forwarding unit by first kind forwarded；
After S2, each relay forwarding unit receive control command, start each built-in Big Dipper positioning unit real-time reception
Big-dipper satellite timing signal, produces accurate instantaneous excitation signal the timer reference point as relay forwarding unit, centering
Timer inside retransmission unit is corrected, so as to realize the timer synchronization of each relay forwarding unit.
S3, each relay forwarding unit are by Second Type network in order successively to each in stage subsystem
Stage subelement carries out timer synchronization.
According to the embodiment of the present invention, the S3 carries out timer synchronization to a stage subelement and specifically includes：
S3-1, relay forwarding unit send synchronization message S to stage subelement, and measure accurate transmission regularly
T1, stage subelement measure the accurate timing T2 of reception；Relay forwarding unit after S message sends sends one and follows message
F, carries the T1 in the F message；
S3-2, stage subelement correction current timer deviation：P=T2-T1-D, wherein, P is relay forwarding unit and dance
Current timer deviation between estrade unit, D are that the current transmission time delay between relay forwarding unit and stage subelement is fixed
When, D=0 was made before first time timer synchronization；
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 labelling accurately sends timing
T3, after relay forwarding unit receives DR, in the accurate DR message sinks timing T4 of DELAY RESPONSE message package Dr labelling, and returns to
Stage subelement；
S3-5, stage subelement correction propagation delay time timing D=(T4-T3)/2；
S3-6, stage subelement correction current timer deviation P=-D；
S3-7, stage subelement correct local timer Ts：Ts=Ts-P.
Preferred implementation of the invention, it is described before into normal work, carry out meter of many wheels as described in S3
When device synchronization, D is using the D values after a front timer synchronization.
Preferred implementation of the invention, enters normal control command in stage multidimensional synchronous control system and receives and dispatches shape
After state, further include：Periodically carry out the real-time timing that the S3 realizes each stage subelement stage subsystem Nei
Device synchronization.
Preferred implementation of the invention, the communication between relay forwarding unit and conversion unit of protocol is：By wink
Shi Jifa is evenly dividing into several timing sections, and each relay forwarding unit occupies respective timing section, in respective timing section
Communication task with conversion unit of protocol is completed alone inside.
Preferred implementation of the invention, stage multidimensional synchronous control system enter normal control command reiving/transmitting state
Afterwards, the communication between relay forwarding unit and stage subelement is：Relay forwarding unit is by the way of circulation to stage
Each stage subelement in system conducts interviews, and completes data exchange.
Preferred implementation of the invention, the first kind network is CAN, in 802.11 wireless networks
It is a kind of；The Second Type network is ZIGBEE wireless networks, the one kind in blue tooth radio network, and first network is different from the
Two networks.
The stage multidimensional synchronous control system of the present invention, by arranging Big Dipper positioning unit in each stage subsystem, greatly
Use cost and energy consumption are reduced greatly, relay forwarding unit adopts two types network connection, can take into account volume of transmitted data and work(
Consumption, and by calculating the synchronization scenario of timer deviation and propagation delay time, the accurate same of all stage subelements can be realized
Step.
Description of the drawings
By the detailed description for reading hereafter preferred implementation, various other advantages and benefit are common for this area
Technical staff will be clear from understanding.Accompanying drawing is only used for the purpose for illustrating preferred implementation, and is not considered as to the present invention
Restriction.And in whole accompanying drawing, it is denoted by the same reference numerals identical part.In the accompanying drawings：
Accompanying drawing 1 shows the stage multidimensional synchronous control system structural representation according to embodiment of the present invention；
Accompanying drawing 2 to show and perform synchronous flow chart according to the stage multidimensional synchronous control system of embodiment of the present invention.
Specific embodiment
The illustrative embodiments of the disclosure are more fully described below with reference to accompanying drawings.Although showing in accompanying drawing public
The illustrative embodiments opened, it being understood, however, that may be realized in various forms the disclosure and the reality that should not be illustrated here
The mode of applying is limited.On the contrary, there is provided these embodiments are able to be best understood from the disclosure, and can be by this public affairs
What the scope opened was complete conveys to those skilled in the art.
According to the embodiment of the present invention, a kind of stage multidimensional synchronous control system, as shown in Figure 1, the system are proposed
System includes：Stage central control unit, stage LAN, conversion unit of protocol, relay forwarding unit and stage subelement；Stage
Central control unit is connected by stage LAN with conversion unit of protocol, and conversion unit of protocol passes through first kind network connection
Each relay forwarding unit in stage multidimensional synchronous control system, each relay forwarding unit is by Second Type network and dance
Stage subelement in station subsystem is connected；Big Dipper positioning unit is configured on each relay forwarding unit；The stage subelement
May be, but not limited to, single speaker, LED, follow spot light, lifting platform, curtain etc., the plurality of speaker (can also
It is multiple LEDs etc.) a stage subsystem can be constituted, a stage subsystem includes multiple stage subelements；Each dance
Station subsystem arranges a relay forwarding unit.
According to the embodiment of the present invention, the relay forwarding unit and stage subelement send data when, by number
According to being used as accurately sending timing under the fixed timing mark from medium access control sublayer arrival data link sub-layers, number is being received
According to when, data are reached from data link sub-layers and under the fixed timing mark of medium access control sublayer, are used as accurately receiving fixed
When.
According to the embodiment of the present invention, the stage multidimensional synchronous control system performs synchronous method and step and specifically wraps
Include, as shown in Figure 2：
S1, stage central control unit issue control command by stage LAN, and the control is ordered by conversion unit of protocol
Order gives each relay forwarding unit by first kind forwarded；
After S2, each relay forwarding unit receive control command, start each built-in Big Dipper positioning unit real-time reception
Big-dipper satellite timing signal, produces accurate instantaneous excitation signal the timer reference point as relay forwarding unit, centering
Timer inside retransmission unit is corrected, so as to realize the timer synchronization of each relay forwarding unit.
S3, each relay forwarding unit are by Second Type network in order successively to each in stage subsystem
Stage subelement carries out timer synchronization.
According to the embodiment of the present invention, step S3 carries out the concrete of timer synchronization to a stage subelement
Process includes：
S3-1, relay forwarding unit send synchronization message S to stage subelement, and measure accurate transmission regularly
T1, stage subelement measure the accurate timing T2 of reception；Relay forwarding unit after S message sends sends one and follows message
F, carries the T1 in the F message；
S3-2, stage subelement correction current timer deviation：P=T2-T1-D, wherein, P is relay forwarding unit and dance
Current timer deviation between estrade unit, D are that the current transmission time delay between relay forwarding unit and stage subelement is fixed
When, D=0 was made before first time timer synchronization；
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 labelling accurately sends timing
T3, after relay forwarding unit receives DR, in the accurate DR message sinks timing T4 of DELAY RESPONSE message package Dr labelling, and returns to
Stage subelement；
S3-5, stage subelement correction propagation delay time timing D=(T4-T3)/2；
S3-6, stage subelement correction current timer deviation P=-D；
S3-7, stage subelement correct local timer Ts：Ts=Ts-P.
Hereafter, stage multidimensional synchronous control system enters normal control command reiving/transmitting state.
Preferred implementation of the invention, it is described before into normal work, carry out take turns as described in step S3 more
Timer synchronization, and D need not reset to 0, using the D values after a front timer synchronization.
Preferred implementation of the invention, enters normal control command in stage multidimensional synchronous control system and receives and dispatches shape
After state, further include：Periodically carry out the real-time timing that the S3 realizes each stage subelement stage subsystem Nei
Device synchronization.
Preferred implementation of the invention, the communication between relay forwarding unit and conversion unit of protocol is：By wink
Shi Jifa is evenly dividing into several timing sections, and each relay forwarding unit occupies respective timing section, in respective timing section
Communication task with conversion unit of protocol is completed alone inside.
Preferred implementation of the invention, stage multidimensional synchronous control system enter normal control command reiving/transmitting state
Afterwards, the communication between relay forwarding unit and stage subelement is：Relay forwarding unit is by the way of circulation to stage
Each stage subelement in system conducts interviews, and completes data exchange.
Preferred implementation of the invention, the first kind network may be, but not limited to, CAN,
802.11 the one kind in wireless network；The Second Type network may be, but not limited to, ZIGBEE wireless networks, bluetooth without
One kind in gauze network, and first network is different from the second network.
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto,
Any those familiar with the art the invention discloses technical scope in, the change or replacement that can be readily occurred in,
Should all be included within the scope of the present invention.Therefore, protection scope of the present invention should be described with the protection model of claim
Enclose and be defined.
Claims (7)
1. a kind of stage multidimensional synchronous control system, the system include：Stage central control unit, stage LAN, agreement
Converting unit, relay forwarding unit and stage subelement；Stage central control unit and conversion unit of protocol pass through stage local
Net is connected, and conversion unit of protocol is by each relay forwarding list in first kind network connection stage multidimensional synchronous control system
Unit, each relay forwarding unit are connected with the stage subelement in stage subsystem by Second Type network；Each relaying turns
Big Dipper positioning unit is configured in bill unit；
Data are reached number from medium access control sublayer when data are sent by the relay forwarding unit and stage subelement
It is used as accurately sending timing under fixed timing mark according to link sublayer, in receiving data, by data from data link sub-layers
It is used as accurately receiving timing under the fixed timing mark for reaching medium access control sublayer；
The stage multidimensional synchronous control system performs synchronous specifically including：
S1, stage central control unit issue control command by stage LAN, and the control command is led to by conversion unit of protocol
First kind forwarded is crossed to each relay forwarding unit；
After S2, each relay forwarding unit receive control command, start each built-in Big Dipper positioning unit real-time reception Big Dipper
Satellite timing signal, produces accurate instantaneous excitation signal the timer reference point as relay forwarding unit, relaying is turned
Timer inside bill unit is corrected, so as to realize the timer synchronization of each relay forwarding unit；
S3, each relay forwarding unit are by Second Type network in order successively to each stage in stage subsystem
Subelement carries out timer synchronization.
2. a kind of the system as claimed in claim 1, the S3 carry out timer synchronization to a stage subelement and specifically include：
S3-1, relay forwarding unit send synchronization message S to stage subelement, and measure accurate transmission timing T1, dance
Estrade unit measures the accurate timing T2 of reception；Relay forwarding unit sends one after synchronization message S sends and follows message
F, this carries the T1 in following message F；
S3-2, stage subelement correction current timer deviation：P=T2-T1-D, wherein, P is relay forwarding unit and stage
Current timer deviation between unit, D are the current transmission time delay timings between relay forwarding unit and stage subelement,
D=0 is made before first time timer synchronization；
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 labelling accurately sends timing T3, in
After retransmission unit receives DR, in the accurate DR message sinks timing T4 of DELAY RESPONSE message package Dr labelling, and stage is returned to
Subelement；
S3-5, stage subelement correction propagation delay time timing D=(T4-T3)/2；
S3-6, stage subelement correction current timer deviation P=-D；
S3-7, stage subelement correct local timer Ts：Ts=Ts-P.
3. a kind of system as claimed in claim 2, before into normal work, carries out timer of many wheels as described in S3 same
Step, D is using the D values after a front timer synchronization.
4. a kind of system as claimed in claim 3, enters normal control command in stage multidimensional synchronous control system and receives and dispatches shape
After state, further include：Periodically carry out the real-time timing that the S3 realizes each stage subelement stage subsystem Nei
Device synchronization.
5. a kind of system as claimed in claim 4, the communication between relay forwarding unit and conversion unit of protocol is：Will be instantaneous
Excite and be evenly dividing into several timing sections, each relay forwarding unit occupies respective timing section, in respective timing section
Complete alone the communication task with conversion unit of protocol.
6. a kind of system as claimed in claim 5, stage multidimensional synchronous control system enter normal control command reiving/transmitting state
Afterwards, the communication between relay forwarding unit and stage subelement is：Relay forwarding unit is by the way of circulation to stage
Each stage subelement in system conducts interviews, and completes data exchange.
7. a kind of system as claimed in claim 6, the first kind network is CAN, in 802.11 wireless networks
It is a kind of；The Second Type network is ZIGBEE wireless networks, the one kind in blue tooth radio network, and first kind network is different
In Second Type network.
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| 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 |
| CN105137842B (en) * | 2015-08-28 | 2017-10-17 | 浙江大丰实业股份有限公司 | A kind of stage Adaptive matching device |
| CN105094100B (en) * | 2015-09-14 | 2017-09-26 | 浙江大丰实业股份有限公司 | A kind of stage multimode cooperative control system |
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| FR2751772B1 (en) * | 1996-07-26 | 1998-10-16 | Bev Bureau Etude Vision Soc | METHOD AND DEVICE OPERATING IN REAL TIME FOR LOCALIZATION AND LOCATION OF A RELATIVE MOTION AREA IN A SCENE, AS WELL AS FOR DETERMINING THE SPEED AND DIRECTION OF MOVEMENT |
| CN102811138B (en) * | 2012-07-24 | 2018-10-09 | 南京中兴软件有限责任公司 | The detection method and device of information of remote equipment |
| CN103002562A (en) * | 2012-12-27 | 2013-03-27 | 天津大学 | Hardware synchronizing method and system of wireless sensing network |
| CN103957535B (en) * | 2014-04-29 | 2017-04-26 | 中国矿业大学 | Wireless sensor network system having remote sensory ability to achieve relay prolongation |
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