CN102629942B - Cradle head control method, corresponding system and centralized cradle head control node - Google Patents
Cradle head control method, corresponding system and centralized cradle head control node Download PDFInfo
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- CN102629942B CN102629942B CN201210078803.XA CN201210078803A CN102629942B CN 102629942 B CN102629942 B CN 102629942B CN 201210078803 A CN201210078803 A CN 201210078803A CN 102629942 B CN102629942 B CN 102629942B
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- cradle head
- head control
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Abstract
The invention discloses a cradle head control method, a corresponding system and a centralized cradle head control node. In a centralized and distributed combined cradle head control system, the centralized cradle head control node optimizes the connection with controlled equipment; if no distributed cradle head control node initiates control on one controlled equipment within a preset time, which shows that the concern degree on the controlled equipment is lower, the connection with the controlled equipment is released; and if a distributed cradle head control node initiates control on one controlled equipment within a preset time, the connection with the controlled equipment is kept and the preset time is prolonged. Therefore, the number of the connection required to be maintained of the centralized cradle head control node is reduced, adequate resource is reserved for the frequently controlled equipment, and the work efficiency is improved.
Description
Technical field
The present invention relates to camera head monitor technical field, particularly relate to a kind of cloud platform control method, system and centralized cradle head control node.
Background technology
Need, in the industry of monitoring, usually to adopt multichannel camera to monitor zones of different in traffic, finance etc.For easy to use, the camera that general employing can cradle head control, therefore derives different cloud platform control methods.The cloud platform control method of main flow comprises the control method of centralized cloud platform control method, distributed cloud platform control method and both combinations now, and corresponding system introduction is as follows.
Centralized cloud platform control system, as shown in Figure 1, is controlled all controlled plants by a centralized cradle head control node.Distributed cloud platform control system, as shown in Figure 2, is controlled all controlled plants by many distributed cradle head control nodes, and each distributed cradle head control node is all equivalent to a centralized cradle head control node, can control each controlled plant.Centralized and the distributed control system combining, as shown in Figure 3, taking centralized cradle head control structure as basis, the external some distributed cradle head control nodes of centralized cradle head control node, each distributed cradle head control node is considered as client, centralized cradle head control node is considered as service end, and the request of all clients is all pass on to corresponding controlled plant by service end.
For the centralized and distributed control method combining, with safeguard all connection by centralized this equipment of cradle head control node of controlled plant, take the ample resources of centralized cradle head control node, make centralized cradle head control node operational efficiency low, be unfavorable for carrying out in time of cradle head control work.
Summary of the invention
Based on the problems referred to above, the present invention proposes a kind of cloud platform control method, system and centralized cradle head control node, to reduce the wasting of resources in cradle head control, and improve control efficiency.
A kind of cloud platform control method, in the cloud platform control system of centralized and distributed combination, in the centralized cradle head control monitoring nodes scheduled time, whether there is distributed cradle head control node to initiate to control to controlled plant, if do not have distributed cradle head control node to initiate to control to controlled plant in the described scheduled time, discharge and being connected of this controlled plant; If having distributed cradle head control node in the described scheduled time initiates to control to controlled plant, keep and being connected and extending the described scheduled time of this controlled plant, from controlling the moment of end, again monitor in the scheduled time after prolongation and whether have distributed cradle head control node to initiate to control to this controlled plant, circulation successively.
A kind of centralized cradle head control node, comprising:
Whether monitoring module, have distributed cradle head control node to initiate to control to controlled plant for monitoring in the scheduled time;
Connecting maintenance module, is that while not having distributed cradle head control node to initiate to control to controlled plant in the described scheduled time, release is connected with this controlled plant for the result of monitoring when described monitoring module; When the result of described monitoring module monitoring is that while having distributed cradle head control node to initiate to control to controlled plant in the described scheduled time, maintenance is connected with this controlled plant;
Time regulating module, for when the monitored results of described monitoring module be in the described scheduled time, have distributed cradle head control node to controlled plant initiate control time, extend the described scheduled time;
Described monitoring module also in monitored results is the described scheduled time, have distributed cradle head control node to controlled plant initiate control time, from controlling the moment of end, again monitor in the scheduled time after prolongation and whether have distributed cradle head control node to initiate to control to this controlled plant, circulation successively.
A kind of cloud platform control system, comprise controlled plant, centralized cradle head control node and distributed cradle head control node, described centralized cradle head control node connects controlled plant described in each, also connect distributed cradle head control node described in each, its feature is identical with above-mentioned centralized cradle head control node.
Cloud platform control method of the present invention, system and centralized cradle head control node, in the cloud platform control system of centralized and distributed combination, centralized cradle head control node pair was optimized with being connected of controlled plant, do not have distributed cradle head control node to initiate to control to certain controlled plant if continue for some time, illustrate that the concerned degree of this controlled plant is lower, discharge and being connected of this controlled plant; If there is distributed control node to initiate to control to certain controlled plant in the scheduled time, keep and being connected and extending the scheduled time of this controlled plant.Thereby reduce the linking number of the required maintenance of centralized cradle head control node, for frequent controlled equipment reserves enough resources, increase work efficiency.
Brief description of the drawings
Fig. 1 is the structural representation of centralized cloud platform control system;
Fig. 2 is the structural representation of distributed cloud platform control system;
Fig. 3 is centralized and the structural representation of the cloud platform control system of distributed combination;
Fig. 4 is the schematic flow sheet of cloud platform control method of the present invention;
Fig. 5 is the structural representation of the centralized cradle head control node of the present invention.
Embodiment
In the The Cloud Terrace management system of centralized and distributed combination, the connection that centralized cradle head control node need to be safeguarded is more.If each controlled plant is all safeguarded to lasting a connection, system resource is taken morely, especially in the time that a controlled plant does not need to be controlled, or controlled number of times when little, cause the waste of system resource.If only safeguard short connection,, in the time having distributed cradle head control node to initiate the control request to certain controlled plant, centralized cradle head control node is set up one with corresponding controlled plant and is connected, just wait end to be controlled to discharge this connection.The method can cause in the time that a controlled plant is frequently controlled, the repeated multiple times foundation of centralized cradle head control node needs is connected with this controlled plant, and establishment of connection and release all needed to expend compared with multi-system resource and time, cause the waste of resource and controlled time delay.
The present invention to connecting the thought that manages is: the retention time that is connected of centralized cradle head control node and certain controlled plant, be subject to control number of times and the frequency influence of this controlled plant initiation.If a controlled plant is often controlled, centralized cradle head control node and between it to be connected the time keeping also longer, otherwise the retention time is shorter.Explain in detail the present invention below in conjunction with accompanying drawing and embodiment.
Cloud platform control method of the present invention, as shown in Figure 4, comprises the steps:
Step S1, in the cloud platform control system of centralized and distributed combination, in the centralized cradle head control monitoring nodes scheduled time, whether have distributed cradle head control node to controlled plant initiate control; If do not have distributed cradle head control node to initiate to control to controlled plant in the described scheduled time, enter step S2, if there is distributed cradle head control node to initiate to control to controlled plant in the described scheduled time, enter step S3;
Step S2, release are connected with this controlled plant;
Step S3, maintenance are connected and extend the described scheduled time with this controlled plant, return to step S1.
From step S3 returns to step S1, whether centralized cradle head control node, from controlling the moment finishing, is again monitored in the scheduled time after prolongation and is had distributed cradle head control node to initiate to control to this controlled plant, circulation successively.
If having in the given time any distributed cradle head control node initiates to control to controlled plant, will extend the scheduled time, and restart monitoring, if in the scheduled time after prolongation, still have distributed cradle head control node to initiate to control to controlled plant, again extend the scheduled time.A kind of possible scheduled time growth pattern is:
T′＝T(1+log
m(1+n))
T represents the duration of last round of monitoring, the duration of T ' expression next round monitoring, every switching time of taking turns monitoring can be after finishing the last round of monitoring duration, can be also to take turns monitoring and monitor for the first time distributed cradle head control node in the duration and controlled plant is initiated to the time of controlling upper.N represents from initial time, and certain controlled plant is initiated total number of times of control, and the numerical value of n is larger, illustrates that distributed cradle head control node is larger to the interest of this controlled plant, therefore, with this controlled plant to be connected the retention time more and more longer.M is the truth of a matter, adapts with the handling property of centralized cradle head control node, and performance is better, and it is less that the numerical value of m can arrange, and as 2, like this, the increasing degree of the scheduled time is larger, otherwise performance is limited, and it is larger that the numerical value of m should arrange, as 10.
Be exemplified below: be provided with centralized cradle head control node S, distributed cradle head control node C1, C2, C3.Controlled plant D1, D2.
Suppose to carve at a time, C1 initiates the control to D1 by S, between S and D1, sets up one and is connected.It is T0 that this control completes the moment, although control and complete in the T0 moment, S does not discharge being connected of S and D1 at once.On the contrary, it can keep this to be connected to the T1=T0+T moment, continues to safeguard that the connect hours is T.If until the T1 moment initiates to control to D1 without any equipment (C1, C2, C3), discharge this connection; If having equipment (supposing C2) before the T1 moment initiates to control to D1, and control end in the T2 moment, within the T moment, there is 1 distributed cradle head control node to initiate to control to D1, safeguard that the connect hours rises to T '=T* (1+log (1+1)) by T; If taking 2 the end of as, the time after increasing is 2T.
Start timing from the T2 moment, if D1 is initiated to control without any equipment, discharge this connection in the T2+2T moment within the 2T time; If there is C3 to initiate to control to D1 within the T2+2T moment.Connecting duration growth is T "=T* (1+log (1+2)).
Below analogize.
Above content description be centralized cradle head control node pair with controlled plant between be connected administer and maintain, in order further to reduce the wasting of resources, can also to and distributed cradle head control node between agreement be optimized, the specific practice of optimizing is that the controlled plant information in communication protocol between the two only need comprise controlled plant indications and control action code, reduces the data volume of agreement.
The subject of implementation that the centralized cradle head control node of the present invention is above-mentioned cloud platform control method, as shown in Figure 5, it comprises:
Whether monitoring module 101, have distributed cradle head control node to initiate to control to controlled plant for monitoring in the scheduled time;
Connecting maintenance module 102, is that while not having distributed cradle head control node to initiate to control to controlled plant in the described scheduled time, release is connected with this controlled plant for the result of monitoring when described monitoring module; When the result of described monitoring module monitoring is that while having distributed cradle head control node to initiate to control to controlled plant in the described scheduled time, maintenance is connected with this controlled plant;
Time regulating module 103, for when the monitored results of described monitoring module be in the described scheduled time, have distributed cradle head control node to controlled plant initiate control time, extend the described scheduled time;
Described monitoring module 101 also in monitored results is the described scheduled time, have distributed cradle head control node to controlled plant initiate control time, from controlling the moment of end, again monitor in the scheduled time after prolongation and whether have distributed cradle head control node to initiate to control to this controlled plant, circulation successively.
From foregoing description and accompanying drawing, monitoring module 101 connects respectively maintenance module 102 and time regulating module 103, monitoring module 101 often monitors distributed cradle head control node controlled plant is initiated to control, time regulating module 103 is just adjusted once the predetermined duration, and monitoring module 101 just enters next round monitoring.
As a preferred embodiment, the relation of the scheduled time T ' after described scheduled time T and described prolongation is as follows:
T′＝T(1+log
m(1+n))
N represents that initial time starts, and described distributed cradle head control node is initiated the number of times of controlling to this controlled plant, and the handling property of m and described centralized cradle head control node adapts, and preferred value is 2 or 10.
As a preferred embodiment, the controlled plant information in the communication protocol between distributed cradle head control node and centralized cradle head control node is made up of controlled plant indications and control action code.
The other technologies feature of this centralized cradle head control node is identical with above-mentioned cloud platform control method, does not repeat them here.
Cloud platform control system of the present invention, the structure of the Fig. 3 handing over background technology is identical, also comprise several controlled plants, a centralized cradle head control node and some distributed cradle head control nodes, centralized cradle head control node connects each controlled plant, also connect each distributed cradle head control node, the difference of cloud platform control system of the present invention and general cloud platform control system is, what the centralized cradle head control node in native system adopted is centralized cradle head control node of the present invention, and its feature repeats no more.
The above embodiment has only expressed several execution mode of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with claims.
Claims (9)
1. a cloud platform control method, is characterized in that, comprises step:
In the cloud platform control system of centralized and distributed combination, in the centralized cradle head control monitoring nodes scheduled time, whether there is distributed cradle head control node to initiate to control to controlled plant, if do not have distributed cradle head control node to initiate to control to controlled plant in the described scheduled time, discharge and being connected of this controlled plant; If having distributed cradle head control node in the described scheduled time initiates to control to controlled plant, keep and being connected and extending the described scheduled time of this controlled plant, from controlling the moment of end, again monitor in the scheduled time after prolongation and whether have distributed cradle head control node to initiate to control to this controlled plant, circulation successively.
2. cloud platform control method according to claim 1, is characterized in that, the relation of the scheduled time T ' after described scheduled time T and described prolongation is as follows:
T′＝T(1+log
m(1+n))
N represents that initial time starts, and described distributed cradle head control node is initiated the number of times of controlling to this controlled plant, and the handling property of m and described centralized cradle head control node adapts.
3. cloud platform control method according to claim 2, is characterized in that, the value of described m is 2 or 10.
4. cloud platform control method according to claim 1 and 2, the controlled plant information in the communication protocol between described distributed cradle head control node and described centralized cradle head control node is made up of controlled plant indications and control action code.
5. a centralized cradle head control node, is characterized in that, comprising:
Whether monitoring module, have distributed cradle head control node to initiate to control to controlled plant for monitoring in the scheduled time;
Connecting maintenance module, is that while not having distributed cradle head control node to initiate to control to controlled plant in the described scheduled time, release is connected with this controlled plant for the result of monitoring when described monitoring module; When the result of described monitoring module monitoring is that while having distributed cradle head control node to initiate to control to controlled plant in the described scheduled time, maintenance is connected with this controlled plant;
Time regulating module, for when the monitored results of described monitoring module be in the described scheduled time, have distributed cradle head control node to controlled plant initiate control time, extend the described scheduled time;
Described monitoring module also in monitored results is the described scheduled time, have distributed cradle head control node to controlled plant initiate control time, from controlling the moment of end, again monitor in the scheduled time after prolongation and whether have distributed cradle head control node to initiate to control to this controlled plant, circulation successively.
6. centralized cradle head control node according to claim 5, is characterized in that, the relation of the scheduled time T ' after described scheduled time T and described prolongation is as follows:
T′＝T(1+log
m(1+n))
N represents that initial time starts, and described distributed cradle head control node is initiated the number of times of controlling to this controlled plant, and m adapts with the handling property of this centralized cradle head control node.
7. centralized cradle head control node according to claim 6, is characterized in that, the value of described m is 2 or 10.
8. according to the centralized cradle head control node described in claim 5 or 6, the controlled plant information in the communication protocol between described distributed cradle head control node and this centralized cradle head control node is made up of controlled plant indications and control action code.
9. a cloud platform control system, comprise controlled plant, centralized cradle head control node and distributed cradle head control node, described centralized cradle head control node connects controlled plant described in each, also connect distributed cradle head control node described in each, it is characterized in that, described centralized cradle head control node is any of centralized cradle head control node described in claim 5-8.
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| CN201210078803.XA CN102629942B (en) | 2012-03-22 | 2012-03-22 | Cradle head control method, corresponding system and centralized cradle head control node |
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| CN201210078803.XA CN102629942B (en) | 2012-03-22 | 2012-03-22 | Cradle head control method, corresponding system and centralized cradle head control node |
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| CN102629942A CN102629942A (en) | 2012-08-08 |
| CN102629942B true CN102629942B (en) | 2014-09-24 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1547119A (en) * | 2003-12-04 | 2004-11-17 | 中国科学院计算技术研究所 | Method for constructing large-scale high-availability cluster operating system |
| CN201540483U (en) * | 2009-09-22 | 2010-08-04 | 上海桥茵自动化设备有限公司 | Intelligent diary model centralized distribution type holder controller |
| CN102023619A (en) * | 2009-09-22 | 2011-04-20 | 上海桥茵自动化设备有限公司 | Intelligent log type distribution centralized tripod head control system |
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| JP4136857B2 (en) * | 2003-09-11 | 2008-08-20 | キヤノン株式会社 | Device search method and program |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1547119A (en) * | 2003-12-04 | 2004-11-17 | 中国科学院计算技术研究所 | Method for constructing large-scale high-availability cluster operating system |
| CN201540483U (en) * | 2009-09-22 | 2010-08-04 | 上海桥茵自动化设备有限公司 | Intelligent diary model centralized distribution type holder controller |
| CN102023619A (en) * | 2009-09-22 | 2011-04-20 | 上海桥茵自动化设备有限公司 | Intelligent log type distribution centralized tripod head control system |
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| JP特开2005-85238A 2005.03.31 |
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