CN110148332A - Marine main engine remote control operation simulated training system - Google Patents
Marine main engine remote control operation simulated training system Download PDFInfo
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- 238000012549 training Methods 0.000 title claims abstract description 33
- 238000004088 simulation Methods 0.000 claims abstract description 135
- 230000003993 interaction Effects 0.000 claims abstract description 47
- 238000007726 management method Methods 0.000 claims abstract description 35
- 238000013523 data management Methods 0.000 claims abstract description 33
- 238000012544 monitoring process Methods 0.000 claims abstract description 6
- 238000007710 freezing Methods 0.000 claims abstract description 4
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- 238000002485 combustion reaction Methods 0.000 claims description 2
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- 230000001105 regulatory effect Effects 0.000 description 4
- 230000002000 scavenging effect Effects 0.000 description 4
- 230000002452 interceptive effect Effects 0.000 description 3
- 239000010687 lubricating oil Substances 0.000 description 3
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- 238000009833 condensation Methods 0.000 description 1
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- 239000010727 cylinder oil Substances 0.000 description 1
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Abstract
The invention discloses a kind of marine main engine remote control operation simulated training systems, comprising: system management module be used for control data management module, ship's main diesel engine mathematical simulation module and main engine remote control system logic functional block operation, stop, freezing, state save and state load；Data management module is used to manage the variable and database of data management module, ship's main diesel engine mathematical simulation module and main engine remote control system logic functional block；Main engine remote control system logic functional block；Universal interaction module includes: the GU Generic Unit corresponding to marine main engine ontology and monitoring of working condition and the development block again corresponding to different main engine remote control systems.Solution main engine remote control operation simulation training system product is old out-of-date, and the problem of versatility deficiency saves the cost of more exchange device.
Description
Technical Field
The invention relates to the field of ship simulation training, in particular to a ship host remote control operation simulation training system.
Background
Due to the rapid development of the ship automation technology, the communication technology, the computer technology, the ship host control technology and the like, the ship host remote control system product is updated rapidly. If a corresponding simulation operation training system is developed according to a real ship host remote control system product of a certain specific model, when a new generation host remote control system product appears, the original simulation training system is in an outdated state.
Further, more than one host remote control system manufacturer, such as KONGSBERG corporation in norway, nabeseco corporation in japan, SAM corporation in germany, may have a problem of insufficient versatility if developed according to a product of a certain manufacturer.
Disclosure of Invention
The invention provides a universal type host remote control operation simulation training system, which aims to solve the technical problem.
The invention relates to a ship host remote control operation simulation training system, which comprises:
the system comprises a system management module, a data management module, a ship main diesel engine simulation model module, a host remote control system logic function module and a universal interaction module;
the system management module is used for controlling the operation, stop, freezing, state storage and state loading of the data management module, the ship diesel engine mathematical simulation module and the host remote control system logic function module;
the data management module is used for managing variables and databases of the data management module, the ship diesel engine mathematical simulation module and the host remote control system logic function module;
the host remote control system logic function module is used for host starting and stopping, host reversing, host position conversion, host command transmission and speed regulation, host rotating speed limitation, host load limitation, host safety protection and host parameter modification;
the universal interaction module comprises: the system comprises a general unit corresponding to the ship main engine body and the working condition monitoring and a redevelopment unit corresponding to different main engine remote control systems.
Further, still include:
a general simulation hardware module and a communication management module;
the communication management module is used for data communication between the data management module and the simulation hardware module;
the general simulation hardware module comprises: the system comprises a simulation server, a switch, an I/O communication unit, a machine-side control unit, a simulation centralized control station unit and a simulation driving control station unit.
Further, the ship main diesel engine simulation model module comprises: a cylinder model, an intake and exhaust manifold model, and a turbocharger model;
according to the formula
Calculating a cylinder temperature in a cylinder model, wherein TzIs the gas temperature in the cylinder;is the crank angle;the heat released by fuel combustion;the enthalpy of the inlet gas for the cylinder;an enthalpy value of the exhaust gas for the cylinder;heat removed for cooling medium;work the gas does on the piston; m iszMass of working medium in the cylinder; c. CvThe specific heat capacity of gas in the cylinder; u. ofzThe internal energy of gas in the cylinder;the mass variation of the working medium in the cylinder is obtained;
according to the formula
Calculating the temperature of a main pipe in the intake and exhaust main pipe model, wherein m is the mass of a gas working medium in the main pipe; q is the heat dissipation capacity of the header pipe; h isinThe main pipe intake enthalpy value; h isoutThe main pipe exhaust enthalpy value; c is mentionedvThe specific heat capacity of the gas in the header pipe; the u is the internal energy of gas in the main pipe;
according to the formula
Calculating turbocharger rotational speed in the turbocharger model, wherein PtGenerating power for the turbine; the P iscAbsorbing power for the compressor; j is the rotor moment of inertia; and pi is a circumference ratio.
The system comprises a system management module, a data management module, a ship main diesel engine simulation model module, a host remote control system logic function module and a universal interaction module, wherein all the function modules are independent. The system comprises a system management module, a data management module, a ship main diesel engine simulation model module, a host remote control system logic function module and a universal interaction module. The system frame module is combined with the universal interaction module, so that the simulation training of the ship host remote control systems of different models is realized, the problem that the host remote control operation simulation training system is not enough in universality when old is solved, and the cost for replacing equipment is saved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a schematic structural diagram of a marine main engine remote control operation simulation training system according to the present invention;
FIG. 2 is a layout diagram of a simulation console box of the simulation training system for remote operation of a host according to the embodiment of the present invention;
FIG. 3 is a layout diagram of a simulation console of the simulation training system for remote operation of a host computer according to an embodiment of the present invention;
FIG. 4 is a layout diagram of a simulated driver's console of the simulated training system for remote operation of a host computer according to an embodiment of the present invention;
FIG. 5 is a system management module interface diagram of the present invention;
FIG. 6 is a diagram of a fault setup interface in the data management module of the present invention;
FIG. 7 is a host cylinder condition monitoring interface of the present invention;
FIG. 8 is a schematic view of a host pneumatic control system interface according to the present invention;
FIG. 9 is a simulation interface of the universal interaction module of the AC600 host remote control system according to the present invention;
FIG. 10 is a simulation interface of a universal interaction module of the M-800-V host remote control system according to the present invention;
FIG. 11 is a schematic diagram illustrating upgrading and developing a universal interaction module according to the present invention;
FIG. 12 is a communication management module configuration interface of the present invention;
FIG. 13 is a diagram illustrating the structure of an emulated hardware module of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1 is a schematic structural diagram of a marine main engine remote control operation simulation training system of the present invention, and as shown in fig. 1, the system of the present embodiment includes:
the system comprises a data management module 101, a system management module 102, a ship main diesel engine simulation model module 103, a host remote control system logic function module 104 and a universal interaction module 105;
the system management module is used for controlling the operation, stop, state storage and state loading of the data management module, the ship diesel engine mathematical simulation module and the host remote control system logic function module;
specifically, the system management module of this embodiment is used to implement functions of running, stopping, saving state and loading state of each module. The corresponding global variable is defined, the state of the variable is changed by clicking a trigger event through a mouse on a system setting interface, and the variable value is read by each function when a clock with fixed frequency is refreshed, so that the corresponding control function is realized.
The system management module controls the operation of each module by defining variables representing the operation of each module, such as "public logic pool B38001_ SystemStartCmd; "; and assigning the variable 'B38001 _ SystemStartCmd' as True through an event function carried by the control. And after the start-stop control function under the operation of the system clock reads that the variable B38001_ SystemStartCmd is True, activating other functional modules of the system. Stopping and operating the operation state and performing reverse processing. The state saving function is implemented as: and defining global state variables of the equipment parameters, and saving all the state variables of the system into a state file in an xml format. A corresponding state file is selected through a system management module interface (as shown in fig. 5), and the originally stored value is assigned to the corresponding state variable, so that the state of each module of the system can be restored when the file is stored, and the state loading function is realized.
The data management module is used for managing variables and databases of the data management module, the ship diesel engine mathematical simulation module and the host remote control system logic function module; for implementing system variable and database management functions.
In the data management module of this embodiment, the variables of the data management module, the mathematical simulation module of the marine diesel engine, and the logic function module of the host remote control system are variables used inside the above modules in the system, such as process variables in the host remote control logic. Two variable class files of CSystemDatagroups.cs and PCSData.cs are established in each module and correspond to the two variables. The method comprises the steps of establishing a host remote control system database and a fault setting database in the form of xml files, and establishing database management classes in each module for database reading, querying, modifying, storing and other functions. FIG. 6 shows that reading the data of the fault setting database into the fault setting interface, and selecting and clicking the right "State" item in the interface can complete the corresponding fault setting function.
The ship main diesel engine mathematical simulation model is established by combining ship propulsion characteristics and propeller characteristic curves according to design parameters and actual operation parameter indexes of a mother ship main diesel engine, can simulate real-time data of various working condition parameters of a host, and dynamically responds to changes of various ship operations and external conditions. The main diesel engine is divided into a cylinder, an exhaust main pipe, a turbine, a compressor and an air inlet main pipe according to a gas flow channel, and a cylinder mathematical model, an air inlet and exhaust main pipe mathematical model and a turbocharger mathematical model are respectively established.
(1) Cylinder mathematical model
According to the energy conservation equation, the calculation formula of the cylinder temperature is as follows:
wherein, TzIs the gas temperature in the cylinder;is the crank angle;for burning fuel oilHeat;the enthalpy of the inlet gas for the cylinder;an enthalpy value of the exhaust gas for the cylinder;heat removed for cooling medium;work the gas does on the piston; m iszMass of working medium in the cylinder; c. CvThe specific heat capacity of gas in the cylinder; u. ofzThe internal energy of gas in the cylinder;the mass variation of the working medium in the cylinder.
According to the gas state equation, the calculation formula of the pressure in the cylinder is as follows:
wherein p iszIs the gas pressure in the cylinder; vzIs the cylinder volume; m iszMass of working medium in the cylinder; rzIs the gas constant.
(2) Intake and exhaust manifold mathematical model
When the thermodynamic calculation is performed, the intake and exhaust manifold models are unified into the following form.
The calculation formula of the gas mass change rate of the header pipe is as follows:
wherein,the manifold inlet mass;is the manifold intake mass.
The manifold temperature calculation formula is:
wherein m is the mass of the gas working medium in the header pipe; q is the heat dissipation capacity of the header pipe; h isinThe main pipe intake enthalpy value; h isoutThe main pipe exhaust enthalpy value; c. CvThe specific heat capacity of the gas in the header pipe; u is the internal energy of the gas in the main pipe.
Manifold pressure is calculated according to the gas equation of state.
(3) Turbocharger mathematical model
Taking the turbine as an adiabatic nozzle, the power generated by the turbine is calculated by the formula:
wherein, PtGenerating power for the turbine;mass of gas passing through the turbine per unit time; c. CpThe specific heat capacity is the gas constant pressure; t iseη is the exhaust temperaturetTo turbine efficiency; II typetIs the turbo-expansion ratio; k is the adiabatic index.
The gas compressor absorbed power calculation formula:
wherein, PcAbsorbing power for the compressor;the mass of gas passing through the compressor per unit time; c. CpThe specific heat capacity is the gas constant pressure; t iseη is the intake air temperaturecTo the compressor efficiency; II typecThe expansion ratio of the compressor is; k is the adiabatic index.
Obtaining an iterative calculation formula of the turbocharger according to the relation between the acceleration and the energy conservation:
wherein n is the turbocharger rotational speed; j is the rotor moment of inertia; and pi is the circumferential ratio.
The host remote control system logic function module is designed and programmed according to the host remote control system logic function of the mother ship and is used for realizing the functions of host starting, stopping, reversing, control position conversion, order transmission, speed regulation, rotating speed limitation, load limitation, safety protection, parameter modification and the like. Adopting the idea of modular modeling, and respectively establishing functional logic sub-modules according to functional division, comprising: the system comprises a host starting logic sub-module, a host parking logic sub-module, a host reversing logic sub-module, a host control position conversion logic sub-module, a host vehicle clock and speed regulation logic sub-module, a host rotating speed limiting logic sub-module, a host load limiting logic sub-module, a host safety protection logic sub-module and a host parameter modification logic sub-module. And all the host remote control system logic function sub-modules realize interaction with the universal interaction module and the ship main diesel engine simulation model module through the variables of the data management module.
The universal interaction module comprises: a general purpose unit 106 corresponding to the ship's main engine body and condition monitoring and a redevelopment unit 107 corresponding to a different main engine remote control system.
The general interaction module is designed according to a schematic diagram of a mother ship host and a host remote control system and a man-machine interaction interface, is developed by adopting a WPF technology, and has the same interface display effect and operation experience as a real ship system. The universal unit of the system is suitable for simulation of different host remote control systems, and is used for realizing functions of running, stopping, freezing, state saving, state loading, variable setting, fault setting, communication management and the like of each module as shown in fig. 5 and 6; as shown in fig. 7 and 8, the monitoring device is used for relevant operation of the main machine body and main machine working condition monitoring. All the host remote control systems installed on ocean vessels must meet the same international convention and regulation, the remote control functions are almost the same, but the host remote control system products of all host remote control system manufacturers have different appearances, especially human-computer interaction interfaces are completely different. When the universal interactive module is upgraded for simulating different host remote control systems, the universal unit does not need to be re-developed, and only the re-development unit in the universal interactive module needs to be re-developed. Different host remote control system human-computer interaction interfaces can be compatible in one system, but in order to avoid confusion in operation training, the universal interaction module can select which host remote control system interface to start according to the interface number set in the configuration file during each operation. FIG. 9 is a human-computer interaction simulation interface of the AC600 host remote control system of KONGSBERG of the original system, and the existing simulation system needs to simulate the M-800-V host remote control system of NABTESCO. The redevelopment unit can be upgraded, as shown in fig. 10, to a man-machine interaction simulation interface of a remote control system of a M-800-V host computer of NABTESCO company, and the update and upgrade can be completed by adding the interface into the system.
As shown in fig. 11, when the universal interaction module is upgraded to simulate different host remote control systems, five functional modules, namely the system management module, the communication management module, the data management module, the ship main diesel engine mathematical simulation model module and the host remote control system logic functional module, can be commonly used, and only part of interfaces of the universal interaction module needs to be developed secondarily.
Five functional modules of the system in the embodiment are independent from each other, and information transmission is realized among the modules by defining global variables. Under the same system framework, the universal interaction module can be developed for the second time aiming at the novel host remote control system product, namely, the latest host remote control system can be subjected to analog simulation through the upgrading development of the universal interaction module.
The mathematical simulation model of the marine main diesel engine and the universal interaction module interface thereof (as shown in fig. 7) provide the following parameter simulation and display functions:
displaying various working condition parameters of the host in real time: the engine speed, the throttle scale, the scavenging air pressure, the scavenging air temperature, the exhaust pressure, the exhaust temperature, the turbocharger speed and the like;
providing the exhaust gas boiler with the exhaust gas amount and the exhaust gas temperature under various loads;
the heat dissipation capacity of the diesel engine under various loads is provided for a high-temperature cooling water system of the host;
the lubricating oil heat exchange quantity under various loads is provided for a main engine lubricating oil system;
the main engine fuel oil consumption, the main engine lubricating oil consumption, the main engine cylinder oil consumption, the main engine air cooler condensation water and the main engine starting air consumption.
As a further improvement of the scheme, the system management module, the data management module, the ship main diesel engine simulation model module, the host remote control system logic function module and the universal interaction module can be networked with the simulation hardware module to run, so that a semi-physical host remote control operation simulation training system is formed. The system management module, the data management module, the ship main diesel engine simulation model module, the host remote control system logic function module and the universal interaction module can also run in a single machine mode to form a single-machine host remote control operation simulation training system.
As a further improvement of the scheme, the universal interaction module has self-adaptive screen resolution, is suitable for the requirement that displays with various resolutions can display on full screen, meets the use requirements of laboratories, households and other different occasions, can realize double-screen or more-screen display, and achieves the best effect.
Further, still include:
a general simulation hardware module and a communication management module;
the communication management module is used for receiving the simulation data sent by the data management module and sending information to the simulation hardware module;
the general simulation hardware module comprises: the system comprises a simulation server, a switch, an I/O communication unit, a machine-side control unit, a simulation centralized control station unit and a simulation driving control station unit.
Specifically, the data management module of this embodiment is used to manage, in addition to variables used inside the data management module, the ship main diesel engine mathematical simulation module, and the host remote control system logic function module, communication data between the universal interaction module and the simulation hardware module, such as indicator light signals, meter values, button signals, and car clock signals used for display and operation interaction of the simulation hardware module.
The communication management module is used for realizing the communication functions among the system management module, the data management module, the ship main diesel engine simulation model module, the host remote control system logic function module and the universal interaction module and the simulation hardware module device. The system adopts a UDP communication mode. And establishing a communication management class file in the communication management module for realizing the functions of compression, analysis, transmission, receiving and sending and the like of communication data. To improve communication efficiency, a data change triggering mechanism is employed. The system clock refreshes the variable of the CSystem DataGroups.cs data class according to the frequency of 10ms once, and then the variable with changed value is compressed and packaged for transmission. As shown in fig. 12, all module interaction variables of the system are corresponded to interaction points of the hardware platform according to a board IP and a Channel number by using a communication configuration file, an xml communication configuration file is generated and put into a Debug file, and each module is read into a program when being started, so as to realize accurate interaction responses of the simulation hardware module, the system management module, the data management module, the ship main diesel engine simulation model module, the host remote control system logic function module and the universal interaction module.
As shown in fig. 13, the simulation hardware module of the present embodiment includes: the system comprises a simulation server, a switch, an I/O communication unit, a machine-side control unit, a simulation centralized control console unit and a simulation driving control console unit; the simulation server sends or receives signals to the machine-side control unit, the simulation centralized control station unit and the simulation driving control station unit through the I/O communication unit; each part comprises a plurality of control buttons, indicator lights, instruments, buzzers, clocks, communication board cards and other elements.
The machine side control unit comprises: the system comprises a machine-side control position conversion unit, a machine-side starting unit, a machine-side parking unit, a machine-side reversing unit, a machine-side speed regulating unit, an emergency parking unit and a machine-side parameter checking unit;
the device is used for simulating operation training beside a host machine, and mainly comprises a host revolution meter, a host starting air pressure meter, a servo oil pressure meter, an emergency vehicle clock, a host speed regulating device, a host control mode change-over switch, a control position change-over device, a host security device, a buzzer, a plurality of control buttons, a status indicator lamp and the like. An I/O communication board card is arranged in the control box beside the analog machine and is connected with the simulation server through a local area network;
the simulation centralized control platform includes: the system comprises a control position conversion unit, a start/stop host unit, a host reversing unit, a speed regulating unit, an override and emergency stop unit and a parameter checking and setting unit;
the main components comprise a combined type vehicle clock, an auxiliary vehicle clock, a control position conversion device, an override button, an emergency parking button, a touch screen control panel, a host security device, a buzzer, a host tachometer, a host starting air pressure gauge and a host scavenging air pressure gauge; an I/O communication board card is arranged in the simulation centralized control console and is connected with the simulation server through a local area network;
the simulation driving control station unit comprises: the simulation driving control console simulates a device which is arranged on a real-ship simulation driving control console and is related to a host remote control system, is used for simulating host remote control operation training on the simulation driving control console, mainly comprises a combined type vehicle clock, an auxiliary vehicle clock, a control position conversion device, a touch screen control panel, a host security device, a buzzer, a host revolution meter, a ship speedometer and the like, and is internally provided with an I/O communication board card which is connected with a simulation server through a local area network.
The hardware design mainly considers functionality and universality, and equipment like a car clock is not simulated according to a specific model product, but the car clock with the universal function is adopted. Under the condition of keeping hardware unchanged, the simulation and the simulation of the host remote control system with the latest market can be carried out through the upgrading and the development of the universal interaction module. The function is realized mainly by depending on a touch screen control panel on a simulation centralized control console and a simulation driving console. The touch screen can flexibly configure and switch to display the universal interactive interface of the host remote control system with different styles. That is to say, the same touch screen can simulate a plurality of host remote control system products at the same time through the upgrading and development of the universal interaction module.
The simulation server is the core of the whole system and consists of a PC host and a display, wherein a system management module, a data management module, a ship main diesel engine simulation model module, a host remote control system logic function module and a universal interaction module of the host remote control operation simulation training system run on the PC host. The simulation server is interconnected and intercommunicated with the simulation machine-side control box, the simulation centralized control console and the simulation driving control console through the I/O communication unit, receives interaction control instructions (such as control position conversion button signals, car clock analog quantity signals and the like) of the hardware console, is responsible for simulation operation of models and logics, and sends states and data to equipment on the hardware console for display (such as control position state lamp on/off signals, host tachometer signals and the like). The simulation data and the operation instruction are transmitted by combining gigabit Ethernet with UDP communication protocol, and the simulation real-time performance is ensured by adopting a point-to-point data transmission mode. In order to avoid data loss caused by events triggered simultaneously in the actual data transmission process, a multithreading scanning and concurrent data automatic caching delay communication mechanism is adopted respectively.
As shown in fig. 2, in the system for simulating training of remote control operation of a host according to the embodiment of the present invention, the simulation machine-side control box simulates a real ship host simulation machine-side control box, and is used for simulating training of operations beside the host, including functions of machine-side control position conversion, machine-side starting, machine-side parking, machine-side reversing, machine-side speed regulation, emergency parking, machine-side parameter checking, and the like. The main components comprise a main engine revolution meter, a main engine starting air pressure meter, a servo oil pressure meter, an emergency vehicle clock, a main engine speed regulating device, a main engine control mode change-over switch, a control position change-over device, a main engine security device, a buzzer, a plurality of control buttons, a state indicator lamp and the like. All instruments and components are designed and purchased on the market according to the requirements of functions and shapes. An independently developed general I/O communication board card and an analog input board card are arranged in the control box on the side of the analog machine and are connected with the simulation server through a local area network. The universal I/O communication board card is used for transmitting switching value signals of starting, stopping and the like of the host and analog quantity signals of rotating speed and the like of the host. The analog input board card is used for collecting a speed regulation signal beside the machine and transmitting the speed regulation signal to the simulation server through the local area network.
As shown in fig. 3, in the system for simulating training of remote control operation of a host according to the embodiment of the present invention, the simulation console simulates a device on the real-ship simulation console, which is related to the host remote control system, and is used for simulating training of remote control operation of a host in the centralized control room, including functions of control position conversion, starting/stopping of the host, host reversing, speed regulation, override, emergency stop, parameter viewing and setting, and the like. The main components comprise a combined type vehicle clock, an auxiliary vehicle clock, a control position conversion device, an override button, an emergency parking button, a touch screen control panel, a host security device, a buzzer, a host revolution meter, a host starting air pressure gauge, a host scavenging air pressure gauge and the like. All instruments and components are designed and purchased on the market according to the requirements of functions and shapes. An independently developed general I/O communication board card and an analog input board card are arranged in the simulation centralized control console and are connected with the simulation server through a local area network. The universal I/O communication board card is used for transmitting switching value signals such as override, emergency parking, control position conversion, auxiliary vehicle clock and the like and analog quantity signals such as host rotating speed and the like. The analog input board card is used for collecting a car clock signal and transmitting the car clock signal to the simulation server through the local area network.
As shown in fig. 4, in the system for simulating the host remote control operation training according to the embodiment of the present invention, the simulation console simulates a device on the real-ship simulation console, which is related to the host remote control system, and is used for simulating the host remote control operation training on the simulation console, including functions of control position conversion, host start/stop, host reversing, speed regulation, override, emergency stop, parameter check, and the like. The main components comprise a combined type car clock, an auxiliary car clock, a control position conversion device, an override button, an emergency parking button, a touch screen control panel, a host security device, a buzzer, a host tachometer, a ship speedometer and the like. All instruments and components are designed and purchased on the market according to the requirements of functions and shapes. An independently developed general I/O communication board card and an analog input board card are arranged in the simulation driving control console and are connected with the simulation server through a local area network. The universal I/O communication board card is used for transmitting switching value signals such as override, emergency parking, control position conversion, auxiliary vehicle clock and the like and analog quantity signals such as host rotating speed and the like. The analog input board card is used for collecting a car clock signal and transmitting the car clock signal to the simulation server through the local area network.
The I/O communication unit adopts an embedded single chip microcomputer as a data communication processing chip, each universal I/O communication board card can communicate 32 paths of switching value input/output points and 8 paths of analog quantity output data of the simulation training system, and for analog quantity input in the simulation system, an independent analog quantity acquisition module is adopted to carry out A/D conversion and then the analog quantity input is transmitted to the simulation server through the Ethernet communication module. The I/O communication board cards all adopt uniform Ethernet communication interfaces and the same communication protocol, and can independently set IP addresses according to needs, thereby ensuring the compatibility of the whole system. All the communication board cards are connected to the gigabit Ethernet switch through network cables respectively and then connected to the simulation server through the network cables.
The function realization process of the host remote control operation simulation training system is further explained by taking a machine-side emergency parking function as an example and combining a system simulation hardware module, a system management module, a data management module, a ship main diesel engine simulation model module, a host remote control system logic function module and a universal interaction module. A host emergency stop button is arranged on the control box beside the simulation machine, and the function of simulating host emergency stop can be realized by pressing the button under emergency. Firstly, an analog turbine operator presses an emergency parking button on a machine side control box, a switch is closed after the button is pressed to close a circuit loop, an I/O communication board of the analog machine side control box receives the switching value signal and converts the switching value signal into a digital value signal, then related information (a board IP, a Channel number and a switching State) containing the switching value signal is packaged according to an internal communication protocol, and the related information is sent to a simulation server through an Ethernet according to an IP address of the simulation server. And a communication management module in the system analyzes the received information according to a corresponding communication protocol, positions a corresponding machine-side emergency parking button variable according to the plate IP and the Channel number, and sets the value of the variable to True. And after the host remote control system logic function module in the universal interaction module identifies that the emergency parking button variable beside the machine is True, immediately executing parking logic and setting the fuel injection quantity to be zero. The ship main diesel engine mathematical simulation model in the universal interaction module has the advantages that under the condition that the fuel injection quantity is zero, the cylinder cannot ignite and burn, namely, new power cannot be generated, and under the action of the resistance moment of the propeller, the rotating speed of the main engine can gradually decrease until the engine stops.
The hardware function of the embodiment has universality, so that the latest host remote control system in the market can be simulated by upgrading and developing the universal interaction module of the system under the condition of keeping the hardware unchanged, and a plurality of host remote control system products can be simulated at the same time. The problem of the old and outdated of host computer remote control operation simulation training system product, the commonality is not enough is solved, has saved the cost of changing equipment. The function is mainly realized by depending on a touch screen control panel on a simulation centralized control console and a simulation driving console and updating a universal interaction module, and the touch screen can flexibly configure and switch to display universal interaction interfaces of host remote control systems with different styles.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (3)
1. A marine vessel main engine remote control operation simulation training system is characterized by comprising:
the system comprises a system management module, a data management module, a ship main diesel engine simulation model module, a host remote control system logic function module and a universal interaction module;
the system management module is used for controlling the operation, stop, freezing, state storage and state loading of the data management module, the ship diesel engine mathematical simulation module and the host remote control system logic function module;
the data management module is used for managing variables and databases of the data management module, the ship diesel engine mathematical simulation module and the host remote control system logic function module;
the host remote control system logic function module is used for host starting and stopping, host reversing, host position conversion, host command transmission and speed regulation, host rotating speed limitation, host load limitation, host safety protection and host parameter modification;
the universal interaction module comprises: the system comprises a general unit corresponding to the ship main engine body and the working condition monitoring and a redevelopment unit corresponding to different main engine remote control systems.
2. The system of claim 1, further comprising:
a general simulation hardware module and a communication management module;
the communication management module is used for data communication between the data management module and the simulation hardware module;
the general simulation hardware module comprises: the system comprises a simulation server, a switch, an I/O communication unit, a machine-side control unit, a simulation centralized control station unit and a simulation driving control station unit.
3. The system of claim 1 or 2, wherein the marine main diesel engine simulation model module comprises: a cylinder model, an intake and exhaust manifold model, and a turbocharger model;
according to the formula
Calculating a cylinder temperature in a cylinder model, wherein TzIs the gas temperature in the cylinder;is the crank angle;the heat released by fuel combustion;the enthalpy of the inlet gas for the cylinder;an enthalpy value of the exhaust gas for the cylinder;heat removed for cooling medium;work the gas does on the piston; m iszMass of working medium in the cylinder; c. CvThe specific heat capacity of gas in the cylinder; u. ofzThe internal energy of gas in the cylinder;the mass variation of the working medium in the cylinder is obtained;
according to the formula
Calculating the temperature of a main pipe in the intake and exhaust main pipe model, wherein m is the mass of a gas working medium in the main pipe; q is the heat dissipation capacity of the header pipe; h isinThe main pipe intake enthalpy value; h isoutThe main pipe exhaust enthalpy value; c is mentionedvThe specific heat capacity of the gas in the header pipe; the u is the internal energy of gas in the main pipe;
according to the formula
Calculating turbocharger rotational speed in the turbocharger model, wherein PtGenerating power for the turbine; the P iscFor gas compressorAbsorbing power; j is the rotor moment of inertia; and pi is a circumference ratio.
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Application publication date: 20190820 Assignee: Dalian Haizhi Technology Co.,Ltd. Assignor: Dalian Maritime University Contract record no.: X2022210000044 Denomination of invention: Simulation training system of marine main engine remote control operation Granted publication date: 20211221 License type: Exclusive License Record date: 20220927 |