CN101217325B - A simulation method on integration, design, operation, measurement and control of broadcasting station - Google Patents
A simulation method on integration, design, operation, measurement and control of broadcasting station Download PDFInfo
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- CN101217325B CN101217325B CN2007100329485A CN200710032948A CN101217325B CN 101217325 B CN101217325 B CN 101217325B CN 2007100329485 A CN2007100329485 A CN 2007100329485A CN 200710032948 A CN200710032948 A CN 200710032948A CN 101217325 B CN101217325 B CN 101217325B
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Abstract
The invention relates to the field of the auxiliary equipment in broadcast station construction design, aims at overcoming the insufficiency of the prior art, and provides a simulation system and a simulation method thereof, which can simulate the running of a broadcast station and be used for the broadcast station construction and the integration, design, running and monitoring of a broadcast station in risk assessment. The structure of the invention comprises a human-machine conversation platform; a correlation design platform which is used for setting the correlation relationship between the subsystems of the broadcast station; an equipment database which is used for storing the parameters of selected equipment; a simulation system processing center; the simulation system processing center is respectively connected with the human-machine conversation platform, the correlation design platform and the equipment database. The system and the simulation method provide highly effective design guidance and management basis to broadcast workers and managers and an effective technical method for improving the reliability of the broadcast system.
Description
Technical field
The present invention relates to the broadcasting station and set up design auxiliary equipment field, a kind of can the establishment and running in the analog broadcasting radio station of saying so more specifically, the broadcasting station of the sector-style of going forward side by side danger assessment is integrated, the analogue system and the emulation mode thereof of design, operation, observing and controlling.
Background technology
Setting up a broadcasting station is a huge engineering, and various fields such as design acoustics, architecture, electronic engineering, electromagnetism, computer engineering need be made of design group the multidigit expert in these fields and design.The basic equipment that the broadcasting station system relates to has thousands of, up to ten thousand, and the renewal speed of these equipment is very fast, even the expert of this area, also can't in time have at fingertips to the product and technology of utilizing characteristic of equipment, more can't understand the compatibility that operates between these equipment and other equipment, whether can the reliability of whole system be exerted an influence.The general two kinds of methods that adopt are set up in existing broadcasting station, and a kind of is to set up a little radio station system earlier, and its function of expansion is slowly updated the equipment then, as some traditional broadcasting stations.Though this method stability is high, risk is low, need last several years even the more than ten years but its shortcoming is the system that will set up a maturation, and the expansion of function and new equipment has been subjected to the restriction of existing equipment, upgrades slowly, expands the difficulty height.Another kind method is with reference to existing ripe broadcasting station system, sets up a similar system.Though construction speed is fast, perfect in shape and function, but aspect the selecting for use of equipment, if all adopt the equipment of existed system, then can't carry out later renewal and expansion, if adopt new equipment, then risk can't be assessed, need carry out could determining after the demonstration that therefore the input and the risk of this method are all very high.
Existing broadcasting expert system has realized automation of whole broadcasting station and intellectuality, and the details of each equipment of record in the operation in broadcasting station, comprise running parameters such as reliability, failure rate, set up a perfect device databases.In the process of work, this database provides the foundation and the guide of quick science can for engineers and technicians and gerentocratic prediction and decision-making.Equally based on this database, in conjunction with many technology categories such as artificial intelligence, control technology and Predicting Techniques, emulation technology will be a system engineering application technology more intuitively, emulation technology is applied to broadcast industry, can how to be set up a science and safe and reliable broadcasting process system, how to reach best performance price ratio, how to improve the reliability of system, effect after new system sets up how, and the foundation and the guide of quick science are provided when making a strategic decision how for engineers and technicians and administrative staff.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, provide a kind of can the emulation broadcasting station operation, be used for that the broadcasting station is set up and the broadcasting station of risk assessment is integrated, the analogue system and the emulation mode thereof of design, operation, observing and controlling.
The present invention is achieved through the following technical solutions its goal of the invention.
The present invention has designed that a kind of broadcasting station is integrated, the analogue system of design, operation, observing and controlling, and its structure comprises: the human-computer dialogue platform; Be used to be provided with the degree of correlation design platform of dependency relation between the subsystem of broadcasting station; Be used to store the device databases of selecting device parameter for use; The analogue system processing center; Be connected with device databases with human-computer dialogue platform, degree of correlation design platform respectively with the analogue system processing center.
The human-computer dialogue platform is used for class parameter, the specific requirement that the designer imports the broadcasting station, and can feed back the design and the simulation result in broadcasting station.The human-computer dialogue platform adopts man-machine intuitively graphical dialog interface, the operator only need be according to the general module of system, choose and adjust the equipment of the needs of each module, just can finish the system design of whole broadcast technology in short time, accomplish both convenient and swiftly, avoid the omission in the design process again.The human-computer dialogue platform comprises basic demonstration output equipment and computer entry device, and is provided with the expansion that general-purpose interface is used to export output equipment.
Broadcasting technology mainly comprises: Master Control Room, studio, recording studio, acoustic finishing, professional air-conditioning, automation, broadcast, hotline, satellite transmission automatically, relay live, links such as foldback is monitored, security personnel gate inhibition, closed circuit monitoring, gps clock, cable TV, technology power supply, the dependency relation of each link is extremely important for the scale and the systems organization of system, so before carrying out system design, determine that these subsystem dependency relations are extremely important.Degree of correlation design platform calculates the degree of correlation of each subsystem earlier according to whether relevant between each subsystem of designer's input, judges whether to meet the grade of design for the designer.If the degree of correlation of each subsystem meets design grade, then degree of correlation design platform is according to annexation default in the system, export the system configuration in whole broadcasting station, and demonstrate the annexation of each subsystem from the human-computer dialogue platform with graphic model, so that next step specific design of designer.Degree of correlation design platform can be finished by a computer that corresponding software is installed.
Make up one can virtual reality the broadcasting station analogue system, must adopt popular, up-to-date and the most comprehensive facility information on the current social, therefore must set up a large-scale device databases, the information of device databases comprises: device name, unit type, producer, device type, price, the place of production, purposes, equipment size, device parameter, performance parameter etc.These data must be carried out the timing renewal, to keep the validity and the science of device data.The broadcasting equipment kind is many, renewal speed is fast, and obtaining and upgrade up-to-date data as how the fastest speed is links that system must consider.System can further expand, and utilizes network technology, cooperates with each big supplier, does an equipment control network platform and interface, has both made things convenient for supplier's stock control, can realize broadcasting the real time automatic update of the equipment library of analogue system again.The design and simulation that is established as technical module in this personnel equipment data storehouse is laid a good foundation.
The analogue system processing center is the data processing centre of whole system, comprises investment emulation module, systematic function evaluation module at least, emulation module, fault simulation module are installed, move emulation module and build one or more in the acoustic environment analog module.Broadcasting station grade, the degree of correlation, selected equipment that data processing centre can be provided with according to the designer, the parameter of the concrete equipment in the bonding apparatus database calculates investment, the reliability of system; The quantity that required rack is installed is provided; Carry out the failure risk assessment; Move emulation, the performance of evaluating system and the construction suggestion that provides each acoustical chamber.According to the disposal ability of amount of calculation and computer, analogue system processing center and degree of correlation design platform are made of the computer that an one or multi-section are equipped with corresponding software.The analogue system processing center also is provided with the interface that carries out transfer of data with the broadcasting station expert system, and the on-line operation of the monitoring module of broadcasting station expert system and analyses and prediction module is for the broadcasting equipment of on-line operation provides reliability data accurately.Adopt computer to finish comprehensive this work, overcome in the prior art artificial calculate or calculate item by item very loaded down with trivial details, speed slow and the result of calculation of every field can't be carried out the defective of comprehensive analysis.Native system can provide design result after input parameter and selection equipment, and more exchange device compares, and design process is very simple and convenient at once.The expert who need not every field proves analysis, and general designer also can finish design to whole broadcasting station by this system, and draws its cost performance and failure risk.Greatly reduce the broadcasting station design cost, shorten the design cycle and reduced the risk of broadcasting station follow-up operation.
The emulation mode of above-mentioned analogue system specifically may further comprise the steps:
1. according to the degree of correlation requirement in the broadcasting station of institute's emulation, dependency relation between the subsystem of broadcasting station is set by the human-computer dialogue platform;
2. degree of correlation design platform calculates the degree of correlation according to dependency relation is set, and exports the annexation between each subsystem;
4. according to the annexation of output, the slave unit database is selected concrete equipment;
4. the analogue system processing center is according to concrete copying, and parallel processing by the following method:
Call the investment emulation module, the price parameter of fetch equipment in the slave unit database, accumulative total subsystem investment, and according to subsystem investment accumulative investment total value.The calling system performance estimation module, the reliability of the reliability parameter computing subsystem of fetch equipment in the slave unit database, and calculate the reliability in whole broadcasting station according to the reliability of subsystem.Call the installation emulation module, the dimensions of fetch equipment in the slave unit database is calculated the quantity of required rack.Call the fault simulation module, the failure rate of fetch equipment in the slave unit database is carried out statistical and is separated out the high period of failure-frequency in the running of whole broadcasting station.Call the operation emulation module, from importing a simulation source of sound, the running parameter of fetch equipment in the slave unit database is exported source of sound by the quality behind each subsystem.Call and build the acoustic environment analog module, according to recording studio or studio build the acoustic environment rank, limit in the analogue system processing center slave unit database for and equipment and the material selected.
5. the analogue system processing center outputs to the human-computer dialogue platform with the aforementioned calculation result.
The above-mentioned steps 2. degree of correlation of middle system is calculated by the following method:
Calculate total item number, subsystem of every increase, total item number increases by 1, deposits in the computer temporary storage.Calculate the strong correlation item number, according to setting, each subsystem is relevant with other subsystems, and the strong correlation item number increases by 1, deposits in the computer temporary storage.From temporary storage, read strong correlation item number and total item number, the strong correlation item number divided by total item number, is drawn the subsystem degree of correlation, deposit in the computer storage.By the human-computer dialogue platform output subsystem degree of correlation.
For some new equipment, when equipment supplier and device fabrication producer did not all provide the reliability of equipment or these important technical parameter of equipment failure rate to the user, according to the equipment of maturation, its price became the relation of similar direct ratio with reliability.And, according to of the same type and, have the principle of correlation with the product and the equipment of class.Above-mentioned steps 4. in when the reliability parameter of no concrete equipment in the device databases, computing equipment reliability by the following method:
Read the price P that treats locking equipment in the slave unit database
i, deposit in the computer temporary storage;
Read and treat the price P of the immediate equipment of the same type of price of locking equipment in the slave unit database
0And reliability R
0, deposit in the computer temporary storage;
With above-mentioned parameter substitution formula, calculate the reliability for the treatment of locking equipment
R
i=R
0+ (1-R
0) (1-P
0/ P
i), deposit device databases in and treat in the reliability item of locking equipment.Above formula is applicable to P
0With P
iBe more or less the same, possess the situation of comparativity.
System is formed by link combinations by equipment, and the reliability of system is calculated with its interconnective mode according to the reliability of individual equipment and got.Therefore the reliability in 4. middle subsystem of described step and whole broadcasting station can be calculated by the following method:
According to the annexation of equipment in the subsystem, subsystem split into include only two equipment single link;
Read the reliability R A and the RB of two equipment in the single link in the slave unit database, and judge that the type of link is a serial or parallel connection;
It is series connection that link closes, and the reliability R L1=RA*RB of link deposits in the computer temporary storage;
It is in parallel that link closes, the reliability R L2=1-[(1-RA of link) * (1-RB)], deposit in the computer temporary storage;
According to the computational methods of above-mentioned serial or parallel connection, by the reliability of the reliability computing equipment upper strata link of equipment lower floor link, so analogize, calculate the reliability of subsystem, deposit in the computer storage;
According to the computational methods of above-mentioned serial or parallel connection, by the reliability of the reliability computing subsystem upper strata link of subsystem lower floor link, so analogize, calculate the reliability in whole broadcasting station, deposit in the computer storage;
Reliability by human-computer dialogue platform output subsystem and whole broadcasting station.
Native system is on the basis of the monitoring module of broadcasting expert system and analyses and prediction module, makes full use of Computer Multimedia Technology and virtual reality technology, a cover analogue system that develops in conjunction with a large amount of knowledge bases.Native system and emulation mode thereof have overcome the difficulty of cross-cutting design in the prior art, can analyze lot of data, have reduced the workload of broadcasting station design greatly, have shortened the design cycle, reduce design cost.The flexibility height of design, at design process replacement equipment at any time, the design result of different schemes relatively.The operator scheme of camera bellows formula, the designer only needs input parameter and selection equipment, and system just can provide the result, need not to consider whole computational process.Operation is simple and convenient very, and general designer also can skillfully operate, and has solved the trouble that existing method for designing need design together with a plurality of domain experts.Native system and emulation mode provide very effective design guide and administration base for broadcasting person and manager, are the effective technology means of the reliability that improves the broadcasting broadcast system.Have outstanding substantive distinguishing features and obvious improvement with respect to prior art the present invention.
Description of drawings
Fig. 1 is system module figure of the present invention;
Fig. 2 is a system of the present invention degree of correlation design interface;
Fig. 3 is system block diagram of the present invention and device design interface.
Embodiment
The present invention is described further below in conjunction with accompanying drawing.
A kind of broadcasting station as shown in Figure 1 is integrated, the analogue system of design, operation, observing and controlling, comprising: human-computer dialogue platform 2; Be used to be provided with the degree of correlation design platform 3 of dependency relation between the subsystem of broadcasting station; Be used to store device databases 4 and the analogue system processing center 1 of selecting device parameter for use, analogue system processing center 1 is connected with human-computer dialogue platform 2, degree of correlation design platform 3 and device databases 4 respectively.Wherein analogue system processing center 1 comprises investment emulation module 11, systematic function evaluation module 12, emulation module 13, fault simulation module 14, operation emulation module 15 are installed and build acoustic environment analog module 16.Human-computer dialogue platform 2 can be divided into broadcasting centre system integration emulation interface, broadcasting station 21, broadcasting station transmission emission system integrated emulation interface 22, acoustic environment emulation interface 23 is built in the broadcasting station and the broadcasting station technological system moves emulation interface 24.Device databases 4 is made of the disk array, and is provided with the interface that is connected with network 6.Analogue system processing center 1 and degree of correlation design platform 3 are made of the computer that corresponding software is installed, and are connected with the input and output platform as human-computer dialogue platform 2, and are provided with the interface that is connected with broadcasting station expert system 5.Below be that example illustrates the concrete course of work of the present invention with broadcasting station broadcasting centre system integration emulation.
At first enter broadcasting centre system integration emulation interface, broadcasting station 21, degree of correlation requirement according to the broadcasting station of institute's emulation, by the human-computer dialogue platform dependency relation between the subsystem of broadcasting station is set, the broadcasting technology of present embodiment mainly comprises: Master Control Room, studio, recording studio, acoustic finishing, professional air-conditioning, automation, broadcast, hotline, satellite transmission automatically, relay live, subsystems such as foldback is monitored, security personnel gate inhibition, closed circuit monitoring, gps clock, cable TV, technology power supply.Interface as shown in Figure 2 for degree of correlation design, above-mentioned subsystem forms a matrix table, and the designer only need operate mouse or keyboard, represents to get final product in matrix table at two subsystems with dependency relation.As shown in FIG., numeral " 1 " is represented two subsystem strong correlations, and digital " 0 " represents two subsystems weak relevant.
After above-mentioned setting, degree of correlation design platform 3 calculates the degree of correlation according to dependency relation is set, in considering analogue system technological parameter selection course, need to judge each parameter of letter in analogue system the status and the correlation between parameter, promptly judge its strong correlation or weak relevant R={R
Ij| R
Ij∈ R, i, j=1,2 ... n}.Concrete computational methods are as follows: calculate total item number, and subsystem of every increase, total item number increases by 1, deposits in the computer temporary storage; Calculate the strong correlation item number, according to setting, each subsystem is relevant with other subsystems, and the strong correlation item number increases by 1, deposits in the computer temporary storage; From temporary storage, read strong correlation item number and total item number, the strong correlation item number divided by total item number, is drawn the subsystem degree of correlation, deposit in the computer storage; By the human-computer dialogue platform 2 output subsystem degrees of correlation, as shown in FIG..
The designer judges that according to the data of the degree of correlation whether the degree of correlation adheres to specification, and can do further adjustment.Degree of correlation design platform 3 will be exported the annexation between each subsystem after determining, and by 2 demonstrations of human-computer dialogue platform, the part system block diagram of the broadcasting centre of showing as Fig. 3 top branch, and further exported the equipment connecting relation of each subsystem.Operation interface design by figure is very simple, by a certain equipment of click, 1 of analogue system processing center filters out the alternative Verbose Listing of this equipment in the slave unit database automatically, comprises information such as device name, unit type, producer, device type, price, the place of production, purposes, equipment size, device parameter, performance parameter.Shown in the list of devices of Fig. 3 lower part, only need to adopt click can select concrete equipment.
The group system equipment is selected to finish, and analogue system processing center 1 will be called investment emulation module 11 automatically, the price parameter of fetch equipment in the slave unit database 4, and accumulative total subsystem investment, and according to subsystem investment accumulative investment total value, as shown in FIG..
Calling system performance estimation module 12 simultaneously automatically, the reliability of the reliability parameter computing subsystem of fetch equipment in the slave unit database 4, and calculate the reliability in whole broadcasting station according to the reliability of subsystem, specifically be calculated as follows:
System is formed by link combinations by equipment, and the reliability of system is calculated according to the reliability of individual equipment and its interconnective mode and got, and at first according to the annexation of equipment in the subsystem, subsystem is split into include only two equipment single link.Read the reliability R A and the RB of two equipment in the single link then in the slave unit database 4, and judge that the type of link is a serial or parallel connection: it is series connection that link closes, and the reliability R L1=RA*RB of link deposits in the computer temporary storage; It is in parallel that link closes, the reliability R L2=1-[(1-RA of link) * (1-RB)], deposit in the computer temporary storage.According to the computational methods of above-mentioned serial or parallel connection, by the reliability of the reliability computing equipment upper strata link of equipment lower floor link, so analogize, calculate the reliability of subsystem, deposit in the computer storage; According to the computational methods of above-mentioned serial or parallel connection, by the reliability of the reliability computing subsystem upper strata link of subsystem lower floor link, so analogize, calculate the reliability in whole broadcasting station, deposit in the computer storage; By the reliability in human-computer dialogue platform 2 output subsystems and whole broadcasting station, as shown in Figure 3.
Aspect the relevant criterion of reliability, China radio and television department is formulated: the fault during broadcast in the broadcasting station is broken rate for being less than or equal to per hundred hours 30 seconds.Be the rate of breaking in broadcasting station or be called failure rate λ and be: λ=30s/100h=0.00008=0.008%
T wherein
0It is 1 month timing statistics.So relative standard's reliability R of system
Standard=0.944.Therefore, had after this standard, the reliability of analogue system has just had reference frame accurately, and can do following description:
System also calls automatically emulation module 13 is installed, and the dimensions of fetch equipment in the slave unit database 4 is calculated the quantity of required rack, and the price meter accumulative total of rack is gone into total investment.
For some new equipment, when equipment supplier and device fabrication producer did not all provide the reliability of equipment or these important technical parameter of equipment failure rate to the user, according to the equipment of maturation, its price became the relation of similar direct ratio with reliability.And, according to of the same type and, have the principle of correlation with the product and the equipment of class.In the aforementioned calculation process when the reliability parameter of no concrete equipment in the device databases 4, computing equipment reliability by the following method: read the price P that treats locking equipment in the slave unit database
i, deposit in the computer temporary storage; Read and treat the price P of the immediate equipment of the same type of price of locking equipment in the slave unit database
0And reliability R
0, deposit in the computer temporary storage; With above-mentioned parameter substitution formula, calculate the reliability R for the treatment of locking equipment
i=R
0+ (1-R
0) (1-P
0/ P
i), deposit device databases 4 in and treat in the reliability item of locking equipment.
In the design process of emission system, at first enter broadcasting station transmission emission system integrated emulation interface 22, concrete operating process and above-mentioned broadcasting centre system integration simulation process are similar.
From above-mentioned design process as seen, the process of design is very simple, and the designer only need select concrete equipment, and system can provide total investment and reliability automatically.The designer can also adjust concrete equipment flexibly, and system is replacement investment total value and reliability timely, can carry out fine adjustment to system design, meets the requirements until its total investment and reliability.And can export several alternative systems simultaneously, for and do further judgement or research.Device databases 4 can carry out parameter update timely with supplier by network 6, receive the parameter update of broadcasting station expert system 5 in real time by data-interface, in time and accurately upgrading of data can further be improved the accuracy of design, reduces the design risk.
Enter the technological system operation emulation interface, broadcasting station 24 of human-computer dialogue platform 2, analogue system processing center 1 will be called fault simulation module 14, the failure rate of fetch equipment in the slave unit database 4, the high period of failure-frequency in the output that the superposes whole broadcasting station running.These move prediction, provide one to safeguard guide to technical attendant, take precautions against in possible trouble, improve maintenance levels, guarantee to broadcast safely, simultaneously, can carry out equipment investment and the foundation that the decision-making that provides is provided to the manager.Call operation emulation module 15, from importing a simulation source of sound, the running parameter of fetch equipment in the slave unit database 4 is exported source of sound by the quality behind each subsystem.In this module, can simulate the failure predication that actual moving process takes place, comprise the prediction, the prompting of equipment fault replacement cycle of failure rate, fault type etc.Analog simulation is carried out in broadcast to reality, comprises the broadcast quality index simulation of each link and the simulation of actual sound quality effect, also is the effective reference frame that the broadcasting station staff carries out network analysis and evaluation.
Acoustic environment emulation interface 23 is built in the broadcasting station that enters human-computer dialogue platform 2, and analogue system processing center 1 will be called and build the acoustic environment analog module.What the designer imported recording studio or studio builds the acoustic environment rank, according to this rank, limit in the analogue system processing center 1 slave unit database 4 for and equipment and the material selected.
The present invention makes full use of Computer Multimedia Technology and virtual reality technology, in conjunction with a large amount of knowledge bases, by the human-computer dialogue and the virtual platform of this system, for broadcasting person and manager provide very effective design guide and administration base.
Claims (4)
- One kind be used to realize that the broadcasting station is integrated, the emulation mode of the analogue system of design, operation, observing and controlling, it is characterized in that may further comprise the steps:1. according to the degree of correlation requirement in the broadcasting station of institute's emulation, dependency relation between the subsystem of broadcasting station is set by the human-computer dialogue platform;2. degree of correlation design platform calculates the degree of correlation according to dependency relation is set, and exports the annexation between each subsystem, and the degree of correlation is calculated by the following method:Calculate total item number, subsystem of every increase, total item number increases by 1, deposits in the computer temporary storage;Calculate the strong correlation item number, according to setting, each subsystem is relevant with other subsystems, and the strong correlation item number increases by 1, deposits in the computer temporary storage;From temporary storage, read strong correlation item number and total item number, the strong correlation item number divided by total item number, is drawn the subsystem degree of correlation, deposit in the computer storage;By the human-computer dialogue platform output subsystem degree of correlation;3. according to the annexation of output, the slave unit database is selected concrete equipment;4. the analogue system processing center is according to concrete copying, and parallel processing by the following method:Call the investment emulation module, the price parameter of fetch equipment in the slave unit database, accumulative total subsystem investment, and according to subsystem investment accumulative investment total value;The calling system performance estimation module, the reliability of the reliability parameter computing subsystem of fetch equipment in the slave unit database, and calculate the reliability in whole broadcasting station according to the reliability of subsystem;Call the installation emulation module, the dimensions of fetch equipment in the slave unit database is calculated the quantity of required rack;Call the fault simulation module, the failure rate of fetch equipment in the slave unit database is carried out the high period of failure-frequency in the statistical analysis whole broadcasting station running;Call the operation emulation module, from importing a simulation source of sound, the running parameter of fetch equipment in the slave unit database is exported source of sound by the quality behind each subsystem;5. the analogue system processing center outputs to the human-computer dialogue platform with the aforementioned calculation result.
- 2. emulation mode according to claim 1 is characterized in that 4. described step also comprises to build the acoustic environment simulation process:Call and build the acoustic environment analog module;According to recording studio or studio build the acoustic environment rank, limit in the analogue system processing center slave unit database for and equipment and the material selected.
- 3. emulation mode according to claim 1, when it is characterized in that during described step is 4. the reliability parameter when no concrete equipment in the device databases, computing equipment reliability by the following method:Read the price P that treats locking equipment in the slave unit database i, deposit in the computer temporary storage;Read and treat the price P of the immediate equipment of the same type of price of locking equipment in the slave unit database 0And reliability R 0, deposit in the computer temporary storage;With above-mentioned parameter substitution formula, calculate the reliability for the treatment of locking equipmentR i=R 0+ (1-R 0) (1-P 0/ P i), deposit device databases in and treat in the reliability item of locking equipment.
- 4. emulation mode according to claim 1 is characterized in that the reliability in 4. middle subsystem of described step and whole broadcasting station is calculated by the following method:According to the annexation of equipment in the subsystem, subsystem split into include only two equipment single link;Read the reliability R A and the RB of two equipment in the single link in the slave unit database, and judge that the type of link is a serial or parallel connection;It is series connection that link closes, and the reliability R L1=RA*RB of link deposits in the computer temporary storage;It is in parallel that link closes, the reliability R L2=1-[(1-RA of link) * (1-RB)], deposit in the computer temporary storage;According to the computational methods of above-mentioned serial or parallel connection, by the reliability of the reliability computing equipment upper strata link of equipment lower floor link, so analogize, calculate the reliability of subsystem, deposit in the computer storage;According to the computational methods of above-mentioned serial or parallel connection, by the reliability of the reliability computing subsystem upper strata link of subsystem lower floor link, so analogize, calculate the reliability in whole broadcasting station, deposit in the computer storage;Reliability by human-computer dialogue platform output subsystem and whole broadcasting station.
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| 彭建等.基于广播电台的仿真构思与设计.广播与电视技术 11.2007,(11),48-50. |
| 彭建等.基于广播电台的仿真构思与设计.广播与电视技术 11.2007,(11),48-50. * |
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