CN113783926A - Ship digital information interaction system based on embedded software application framework - Google Patents
Ship digital information interaction system based on embedded software application framework Download PDFInfo
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- H—ELECTRICITY
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- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0481—Interaction techniques based on graphical user interfaces [GUI] based on specific properties of the displayed interaction object or a metaphor-based environment, e.g. interaction with desktop elements like windows or icons, or assisted by a cursor's changing behaviour or appearance
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Abstract
The invention discloses a ship digital information interaction system based on an embedded software application framework, which comprises: an assembly module is constructed facing an embedded software application component library of the digital instrument equipment, and is used for combining the embedded software application component library facing the digital instrument equipment through the combination mode by using the combination mode and constructing a complete information receiving and forwarding module by combining an ARM platform control function; the operation interface is used for starting or stopping the information interaction task of the information receiving and forwarding module according to the instruction of the user; and the information interaction module is used for determining the type of the interaction information by analyzing the requirement and the task amount of the data read by the back-end equipment and carrying out information interaction by an interaction resource priority scheduling distribution method. The invention provides a digital instrument embedded software application framework, realizes a digital information interaction system, deals with threats from a partner or a third-party service interaction request, and realizes safe and rapid data transmission.
Description
Technical Field
The invention relates to the technology of marine engineering ship information systems, in particular to a ship digital information interaction system based on an embedded software application framework.
Background
The ship digital information interaction system is mainly applied to wireless remote transmission of ship navigation data, and the data are accurately fed back to the safety of ship navigation, so that the information interaction is particularly important in the ship navigation. However, the existing traditional ship digital information interaction system has the following defects that the computing power of the system cannot support high-throughput computing of mass data, and the transmission efficiency is low; the SOA architecture (service-oriented architecture, which is a component model) adopted by the device interaction design has a security problem. Therefore, a new information interaction technology is needed to realize accurate, safe and fast data transmission.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a ship digital information interaction system based on an embedded software application framework aiming at the defects in the prior art.
The technical scheme adopted by the invention for solving the technical problems is as follows: a ship digital information interaction system based on an embedded software application framework comprises:
the embedded software application component library oriented to the digitizer device specifically comprises the following steps:
the graphic user interface component library comprises a basic component library and a component library special for digital instrument equipment; the basic component library is used for providing window drawing, window display and window management; the special component library for the digitizer equipment repackages the interfaces contained in the basic component library to form the special interface for the digitizer equipment;
the data management component library is used for realizing an operation interface aiming at the bottom database;
the signal processing algorithm component library is used for providing statistical signal processing, image processing and audio coding and decoding;
the special interface component library for the digitizer is used for providing an external input/output and communication interface for the system;
the multimedia component library is used for providing interfaces related to multimedia technology for supporting a network multimedia communication protocol, a streaming media transmission protocol and network multimedia transmission control aiming at multimedia instrument equipment;
the system comprises a construction assembly module, a transmission module and a receiving and forwarding module, wherein the construction assembly module is used for combining an embedded software application component library facing to the digitizer equipment through a combination mode by using the combination mode and constructing a complete information receiving and forwarding module by combining an ARM platform control function;
the operation interface is used for starting or stopping the information interaction task of the information receiving and forwarding module according to the instruction of the user;
and the information interaction module is used for analyzing the attribute of the digital information by analyzing the requirement and the task amount of the data read by the back-end equipment, determining the type of the interactive information and carrying out information interaction.
According to the scheme, in the graphical user interface component library, the basic component library structure is divided into three modules: the system comprises a basic module, a window module and a management module; the basic module is used for a basic data structure for window display and management, and comprises colors, color groups, fonts and rectangles; the management module is used for processing event routing and window management; the window module handles the messages that the window drawing, displaying and managing module sends to the window.
According to the scheme, the information interaction module specifically comprises the following steps:
the method comprises the following steps that i intelligent interaction bodies exist in an interaction network, mutual interaction of the intelligent interaction bodies depends on undirected connection formed by specific topologies, and a network topological graph is H ═ B, R (l);
wherein ：l∈I*1, { 2,3, … }, l represents an independent time point; b ═ {1,2,3, …, i }, B represents the set of topology map global nodes; r (l) { (n, k): n, k ∈ B, n ≠ k }, and represents the node quantity outside the topology map overallRepresenting that a communication link exists between the node n and the node k at the moment l;
the optimization objective translates into the following optimization problem:
wherein ,gnRepresenting a global node invalidation function in the topological network:
the iteration condition is as follows:
the method comprises the following specific steps:
1) the global node variables are reset to meet the respective optimal solutions, i.e.
2) The cloud computing node is awakened through blind selection of the nodes, so that the cloud computing node can be replaced by a communication interactive node;
3) node n is substituted cn(l) Sending the data to a global adjacent node k;
4) global neighbor node k replaces the node value, ck←cn(l)；
5) And (6) circulating the step 2) until the data docking convergence is finished.
The invention has the following beneficial effects:
1. the invention realizes a digital information interaction system by providing a digital instrument embedded software application framework, deals with threats from a partner or a third-party service interaction request, and realizes safe data transmission;
2. the invention reduces the complexity of system design, reduces the running time consumption of the digital system information interaction equipment, and increases less time consumption along with the increase of data.
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The invention will be further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a schematic diagram of a digitizer embedded software application framework of an embodiment of the present invention;
fig. 2 is a functional block hierarchy diagram of a signal processing algorithm component library according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
A ship digital information interaction system based on an embedded software application framework comprises:
as shown in fig. 1, a novel embedded software application framework of a digitizer includes a graphical user interface component library, a data management component library, a signal processing algorithm component library, a digitizer dedicated interface component library, and a multimedia component library;
the method comprises the following specific steps:
as shown in fig. 2, the gui component library includes two parts, a basic component library and a digital instrument device-specific component library. The basic component library consists of four modules: device description table, window management, message mechanism and thread model. The component library structure can be divided into three modules: the system comprises a basic module, a window module and a management module. The basic module is some basic data structures for window display and management, including colors, color groups, fonts, rectangles, etc., provided by the device description table, the management module handles event routing and window management, and the window module handles the messages that the window drawing, displaying and managing module sends to the window. The software structure of the component library special for the digitizer device is divided into three layers as shown in the figure, wherein the bottom layer is the specific attribute of each component, the common attribute of partial components is used as the middle layer, the upper layer is the common attribute of each component, and the subclass components can be derived from the middle layer or directly derived from the top layer.
The database operation related function interface of the data management component library adopts a macro definition mode, and the support of various bottom databases is expanded to realize the operation interface aiming at the specific bottom database by assigning values in the macro definition.
The signal processing algorithm component library is used for providing statistical signal processing, image processing and audio coding and decoding;
the functional module hierarchy structure of the signal processing algorithm component library comprises modules of statistical signal processing, low-level image processing algorithm image color conversion, image geometric transformation, image frequency domain transformation, video compression low-level calling, image enhancement processing, image morphology operation and the like, three modules of high-level image processing algorithm image feature extraction, image matching, video coding and decoding high-level calling and the like, and an independent audio coding and decoding module.
The special interface component library for the digitizer is used for providing an external input/output and communication interface for the system;
the special interface component library for the digital instrument completes the operation of the system on an external input/output interface, a communication interface and the like, and is mainly divided into three independent modules: a receiving module, a network module RTP/RTCP (real-time transport protocol/real-time transport control protocol) and a transmission module.
The multimedia component library is used for providing interfaces related to multimedia technology for supporting a network multimedia communication protocol, a streaming media transmission protocol and network multimedia transmission control aiming at multimedia instrument equipment;
the multimedia special component library provides three interfaces related to multimedia technologies for supporting network multimedia communication protocols, streaming media transmission protocols and network multimedia transmission control aiming at multimedia instruments and equipment. The network multimedia communication protocol support comprises protocol support and protocol support, a violation protocol library and a positive protocol library are sorted and packaged, and a functional interface oriented to application development is summarized. Taking the support of the protocol as an example, the multimedia component library summarizes call flows, parameter settings, codec interfaces, media channel interfaces and callback interfaces of five types of functional interfaces. Corresponding class interfaces H323Endpoint, H323Capability, H323Codec, PCAhannel, H323Connection and H245 neighbor are defined, wherein the H323Endpoint corresponds to a function call flow and a parameter setting and corresponds to a function media channel interface and a function callback interface of a function Codec interface. The corresponding class interface is modeled as shown. The streaming media transmission protocol support comprises protocol support network multimedia transmission control support such as HTTP (hypertext transfer protocol), RTSP (real-time streaming protocol), RTP \ RTCP, TS STREAM (TS file STREAM, which is a file format of DVD) and the like, and comprises sub-adaptive jitter buffering, audio and video synchronization and video transmission strategy support.
The system comprises a construction assembly module, a transmission module and a receiving and forwarding module, wherein the construction assembly module is used for combining an embedded software application component library facing to the digitizer equipment through a combination mode by using the combination mode and constructing a complete information receiving and forwarding module by combining an ARM platform control function;
the development process of the multimedia instrument software application framework adopts a combined mode, the combined mode is combined, the division of the whole and the part of the framework is realized, a safety interaction method in the field of information interaction is used for reference, an ARM platform control function is combined, a complete information receiving and forwarding system is constructed, a safety receiving and transmitting module is designed, an information safety transmission tool and a strategy model are formed, and the research on information safety transmission test evaluation and the verification of an integrated test of a physical-digital system are supported. The combination mode simplifies interface invocation, and new objects can be added without code modification, so that the use of single objects and combined objects by users is consistent.
In order to assemble a system and complete software reuse, firstly, when a digitizer embedded software application framework based on a meta-model is developed, a proper component is selected or a new component is developed according to the framework development requirement and a software service structure; secondly, some selected components may not necessarily meet the requirements of the multiplexing context, before the components are assembled, corresponding adaptive adjustment may be required to be performed on the components according to the multiplexing context, and finally, the components are connected through corresponding business processes and communication mechanisms, so that corresponding implementation of different development environments is different.
The operation interface is used for starting or stopping the information interaction task according to the instruction of the user;
a user operation interface under a windows operation system provides a concise instruction set for a user, so that the user can use various functions of the product more conveniently and efficiently.
First, the user login interface is the first step of using the information interaction device to verify whether the user has permission to use the device. The operation interface is simple, and a three-layer layout is adopted. And the outermost layer is linearly arranged, the inner layer is horizontally and vertically centered, the inner layer is vertically distributed in a linear arrangement, and the welcome login is placed on the second layer. Placing a user login layer in an innermost central position, comprising: username entry, password entry, and login or cancel operations. When the user inputs the login information, the login interface can feed back the input result. When the user name is wrong, prompting to input the user name error; when the user name is correct but the password is wrong, prompting that the password is wrong; and when the user name and the password are both correct, prompting that the verification is successful and welcoming login.
And secondly, entering an operation interface after the user successfully logs in. The operation interface comprises: operating the control button, storing the status display and the received command and the execution status thereof. When the user clicks the 'start interactive function' button, the system starts the information interactive work. The column of 'interactive state record' at the top of the interface can see the information of the currently accepted instruction or the instruction in queue, and can see the working progress of each instruction and whether the specified data reading is finished.
Three hardware cache disks are used in the system, and the system is enough to process information interaction tasks under most conditions. The usage amount of each disk can be seen on the operation interface, the right signal lamp is green to indicate that the capacity of the disk is healthy, and when the signal lamp is red, the disk space is full, and the attention of workers is required. When the capacity of the disk is all healthy, the system stores the read information according to the storage address required by the instruction; when the space of the storage disk indicated by the instruction is insufficient, the system can adjust the storage position and record the specific storage position of the data, so that the user can conveniently search; when all the disk spaces are unhealthy, the system can give an alarm to prompt an operator to clean the disk spaces in time. When the disk space is healthy and the data interaction instruction is started, a user can complete a data interaction task on an operation interface and check the state of the cache space and the address of each cache instruction in real time. When the disk space is insufficient, the system will give an alarm prompt, and when the user clicks the 'end data interaction' button, the system stops information interaction.
The information interaction module is used for analyzing the attribute of the digital information by analyzing the requirement and the task amount of the data read by the back-end equipment, determining the type of the interactive information and carrying out information interaction;
the output rate is improved by analyzing the requirement and the task amount of the back-end equipment for reading data. An interactive resource priority scheduling distribution algorithm is introduced, and the problem of low throughput of the traditional interactive system is solved. In a traditional state, i intelligent interaction bodies exist in an interaction network, mutual interaction of the intelligent interaction bodies depends on undirected connection formed by a specific topology, and a network topology graph is H ═ B, R (l)). Wherein: l is an element of I*1,2,3, …, representing independent points in time; b ═ {1,2,3, …, i }, represents a topology map global node; and R (l) { (n, k) } represents the amount of nodes outside the topology, and represents that a communication link exists between the node n and the node k at time l. The undirected graph characteristic can be obtained by (n, k) ═ k, n. For a cloud computing information interaction system, the optimization target can be generally converted into the following optimization problem:
wherein gnRepresenting a global node invalidation function in the topological network:
C*is the value of n node if satisfied
And c isn＝ckRepresenting that the interaction flow value of the global node n E {1,2, …, i } data node in the topological network is consistent, C*It is an optimal solution that can make the global consistency while satisfying the minimum total loss value of the global network nodes. Considering that the algorithm is an interactive logic algorithm commonly adopted by a traditional interactive system and belongs to a distributed logic algorithm, the algorithm parameters can be modified and optimized in a mode of introducing logic conditions so as to meet the optimization calculation of node variable optimization logic.
While resetting global node variables to meet their respective optimal solutions, i.e.
And then awakening the cloud computing node through blind selection of the node, so that the cloud computing node can meet the requirement that the cloud computing node has a communicable interactive node for replacement. The whole process is repeated in this way, the single local node carries out priority scheduling on the optimal decision of the cloud according to the information mastered by the local node, and the scheduling variable of the local node is continuously corrected through information interaction with the connectivity of the cloud node. The algorithm flow is as follows:
1) global node reset:
2) replacement cn(l):
3) Node n is substituted cn(l) Sending the data to a global adjacent node k;
4) replacing node value c for kk←cn(l)；
5) And (6) circulating the step 2) until the data docking convergence is finished.
In order to make the algorithm more universal, the sizes of the given weight parameters are different considering that the hardware has different functions on each node in the whole network in operation. The new algorithm therefore extends the variables of a single agent to cn∈TzThen the iteration condition may be changed to:
compared with the prior art, the invention realizes the safe and stable transmission of data through the embedded software application framework of the digital instrument, greatly reduces the cost of the device and ensures that the structure of the device is simpler. An interactive resource priority scheduling distribution algorithm is introduced, so that the throughput of the system is greatly improved, and the transmission efficiency of information is improved.
The invention refers to a safety interaction method in the field of information interaction, combines the control function of an ARM platform, constructs a complete information receiving and forwarding system, designs a safety receiving and transmitting module, forms an information safety transmission tool and a strategy model, and supports the information safety transmission test evaluation research and the integrated test verification of a physical-digital system.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.
Claims (3)
1. A ship digital information interaction system based on an embedded software application framework is characterized by comprising:
the embedded software application component library oriented to the digitizer device specifically comprises the following steps:
the graphic user interface component library comprises a basic component library and a component library special for digital instrument equipment; the basic component library is used for providing window drawing, window display and window management; the special component library for the digitizer equipment repackages the interfaces contained in the basic component library to form the special interface for the digitizer equipment;
the data management component library is used for realizing an operation interface aiming at the bottom database;
the signal processing algorithm component library is used for providing statistical signal processing, image processing and audio coding and decoding;
the special interface component library for the digitizer is used for providing an external input/output and communication interface for the system;
the multimedia component library is used for providing interfaces related to multimedia technology for supporting a network multimedia communication protocol, a streaming media transmission protocol and network multimedia transmission control aiming at multimedia instrument equipment;
the system comprises a construction assembly module, a transmission module and a receiving and forwarding module, wherein the construction assembly module is used for combining an embedded software application component library facing to the digitizer equipment through a combination mode by using the combination mode and constructing a complete information receiving and forwarding module by combining an ARM platform control function;
the operation interface is used for starting or stopping the information interaction task of the information receiving and forwarding module according to the instruction of the user;
and the information interaction module is used for analyzing the attribute of the digital information by analyzing the requirement and the task amount of the data read by the back-end equipment, determining the type of the interactive information and carrying out information interaction.
2. The embedded software application framework-based ship digital information interaction system of claim 1, wherein in the graphical user interface component library, the basic component library structure is divided into three modules: the system comprises a basic module, a window module and a management module; the basic module is used for a basic data structure for window display and management, and comprises colors, color groups, fonts and rectangles; the management module is used for processing event routing and window management; the window module handles the messages that the window drawing, displaying and managing module sends to the window.
3. The embedded software application framework-based ship digital information interaction system according to claim 1, wherein in the information interaction module, the interaction resource priority scheduling distribution method specifically comprises the following steps:
the method comprises the following steps that i intelligent interaction bodies exist in an interaction network, mutual interaction of the intelligent interaction bodies depends on undirected connection formed by specific topologies, and a network topological graph is H ═ B, R (l);
wherein ：l∈I*1, { 2,3, … }, l represents an independent time point; b ═ {1,2,3, …, i }, B represents the set of topology map global nodes; r (l) { (n, k): n, k ∈ B, n ≠ k }, which represents the amount of nodes outside the topology, and represents that the node n and the node k have a communication link at time l;
the optimization objective translates into the following optimization problem:
wherein ,gnRepresenting a global node invalidation function in the topological network:
the iteration condition is as follows:
the method comprises the following specific steps:
1) the global node variables are reset to meet the respective optimal solutions, i.e.
2) The cloud computing node is awakened through blind selection of the nodes, so that the cloud computing node can be replaced by a communication interactive node;
3) node n is substituted cn(l) Sending the data to a global adjacent node k;
4) global neighbor nodek replaces the node value, ck←cn(l)；
5) And (6) circulating the step 2) until the data docking convergence is finished.
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| CN116976057A (en) * | 2023-08-17 | 2023-10-31 | 北京交航科技有限公司 | Automatic arrangement method for device layout |
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| CN116976057A (en) * | 2023-08-17 | 2023-10-31 | 北京交航科技有限公司 | Automatic arrangement method for device layout |
| CN116976057B (en) * | 2023-08-17 | 2024-03-19 | 北京交航科技有限公司 | Automatic arrangement method for device layout |
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