CN110907965A - Navigation task processor simulator and implementation method thereof - Google Patents
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
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- G01S19/35—Constructional details or hardware or software details of the signal processing chain
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Abstract
A simulator of a navigation task processor and an implementation method thereof simulate the navigation task processor by adding a functional board card on an industrial personal computer and realize an information flow function through software design, thereby reducing the production cost, shortening the production period, simultaneously reducing the complexity of the operation of the simulator and improving the problem of inflexible change of the technical state in the actual use.
Description
Technical Field
The invention relates to the technical field of navigation satellite ground test verification, in particular to a navigation task processor simulator.
Background
Before the navigation satellite performs the on-orbit test, ground test verification is required. The existing navigation task processing stand-alone simulator is generally a model or an electrical component, and the exterior and the interface of the existing navigation task processing stand-alone simulator are completely consistent with those of a satellite standard stand-alone simulator. The simulator can reflect the technical state of a single machine more truly.
However, the mold sample or the electrical component generally needs to be manufactured by a single-machine production unit of the external standard sample, the production period is long, and meanwhile, due to the fact that the mold sample or the electrical component is special equipment, the price of some components is high, and therefore the manufacturing cost is also high. In addition, the interfaces of the single machine for power supply, frequency signals, information flow and the like all need personnel with higher technical level to operate and maintain, and the cost of the whole project is increased invisibly. In the actual ground test verification test, the hardware state setting and checking of the single-machine simulator needs to consume a long time, and once a problem occurs in the test, the technical state of the single machine often needs to be changed temporarily to perform problem reproduction and problem troubleshooting, while the software and hardware state change of the single-machine simulator is not flexible enough, so that a great obstacle is caused to solving the test problem.
Disclosure of Invention
The invention provides a simulator of a navigation task processor and an implementation method thereof, which can reduce the production cost and shorten the production period by additionally installing a functional board card on an industrial personal computer to simulate the navigation task processor, and can reduce the complexity of the operation of the simulator and solve the problem of inflexible change of the technical state in actual use by implementing an information flow function through software design.
A simulator of a navigation task processor comprises an industrial personal computer, a special interface card and a network port type serial port forwarding device, wherein the information flow function of the simulator is realized through software design. The interface card is installed inside the industrial personal computer. The interface card includes:
2 1553b board cards of PCI interfaces; and
and the PPS signal receiving board card of the 1 PCI interface is used for generating PPS interrupt signals.
The information flow includes:
2 paths of 1553b information flows, wherein one path of the 1553b information flow is connected with the satellite service computer, and the other path of the 1553b information flow is connected with the autonomous operation simulator; and
and the 6 paths of RS422 information streams are respectively connected with the upper injection simulator, the signal generation simulator, the time-frequency simulator, the link simulator, the integrity monitoring machine A and the integrity monitoring machine B.
Further, the 1553b information flow is generated by the 1553b board card and is connected with the corresponding single-machine simulator in a data line mode.
Further, the 1553b information stream may also be a UDP packet, and is sent to the corresponding stand-alone simulator through a network packet format.
Further, the RS422 information stream is converted into a UDP data packet by the port-type serial port forwarding device, and is connected to the corresponding stand-alone simulator in a data line manner.
Further, the RS422 information stream may also be a UDP packet, and is sent to the corresponding stand-alone simulator through a network packet format.
Further, the PPS interrupt signal may also be simulated by the pattern of network packets.
Furthermore, the industrial personal computer also comprises a storage device used for storing interface data and running state information logs.
A method for implementing a navigation task processor simulator comprises the following steps:
2 1553b board cards with PCI interfaces and 1 PPS signal receiving board card with PCI interfaces are arranged in the industrial personal computer;
the industrial personal computer is respectively connected with the housekeeping computer, the autonomous operation simulator and the network port type serial port forwarding equipment through data lines;
the network port type serial port forwarding equipment is respectively connected with an upper note simulator, a signal generation simulator, a time frequency simulator, a link simulator, an intact monitoring machine A and an intact monitoring machine B through data lines;
configuring the board card number of a 1553b board card by using the configuration file;
using the configuration file to configure the network address and the port number of the port type serial port forwarding equipment;
and transplanting the prototype software of the navigation task processor to an industrial personal computer, and performing start and stop function control on the software through a control button arranged on a software interface.
Further, the method for realizing the simulator of the navigation task processor is realized only by configuring the IP address and the port number of the simulator corresponding to the 1553b information stream and the RS422 information stream on the industrial personal computer.
The navigation task processor simulator provided by the invention adopts general hardware equipment, and has the advantages of low purchase cost, short period and simplicity in operation. Meanwhile, the information flow is realized in a software mode, so that the change and the configuration of software functions are facilitated, and the debugging information can be stored and recorded for test analysis.
Drawings
To further clarify the above and other advantages and features of embodiments of the present invention, a more particular description of embodiments of the present invention will be rendered by reference to the appended drawings. It is appreciated that these drawings depict only typical embodiments of the invention and are therefore not to be considered limiting of its scope. In the drawings, the same or corresponding parts will be denoted by the same or similar reference numerals for clarity.
FIG. 1 shows a schematic diagram of a navigation task processor simulator in accordance with one embodiment of the present invention; and
fig. 2 shows a schematic diagram of a navigation task processor simulator according to a further embodiment of the invention.
Detailed Description
In the following description, the present invention is described with reference to examples. It should be noted that the components in the figures may be exaggerated and not necessarily to scale for illustrative purposes. In the figures, identical or functionally identical components are provided with the same reference symbols.
Reference in the specification to "one embodiment" or "the embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment.
It is further noted herein that in embodiments of the present invention, only a portion of the components or assemblies may be shown for clarity and simplicity, but those of ordinary skill in the art will appreciate that, given the teachings of the present invention, required components or assemblies may be added as needed in a particular scenario.
It is also noted herein that, within the scope of the present invention, the terms "same", "equal", and the like do not mean that the two values are absolutely equal, but allow some reasonable error, that is, the terms also encompass "substantially the same", "substantially equal". By analogy, in the present invention, the terms "perpendicular", "parallel" and the like in the directions of the tables also cover the meanings of "substantially perpendicular", "substantially parallel".
The numbering of the steps of the methods of the present invention does not limit the order of execution of the steps of the methods. Unless specifically stated, the method steps may be performed in a different order.
Fig. 1 shows a navigation task processor simulator according to an embodiment of the present invention, which includes an industrial personal computer 100 and a network port type serial port forwarding device 200.
The industrial personal computer 100 comprises 2 pieces of 1553b board cards 102 with PCI interfaces, 1 piece of PPS signal receiving board card 101 with the PCI interfaces and storage equipment.
As shown in fig. 1, the 1553b board card 102 simulates a 1553b RT module of a normal sample single computer to generate 2 paths of 1553b information streams 002, wherein one path realizes information interaction with the star computer 301 through a data line, and the other path realizes information interaction with the autonomous operation simulator 302 through a data line.
The internet port type serial port forwarding device 200 converts the information stream 003 in the UDP network data packet format into RS422 serial port data 004, and the serial port data 004 realizes information interaction with the upper note simulator 303, the signal generation simulator 304, the time-frequency simulator 305, the link simulator 306, the health monitor a 307 and the health monitor B308 through data lines.
The PPS signal receiving board 101 receives a PPS signal 001 and generates a PPS interrupt signal.
Fig. 2 shows a navigation task processor simulator according to another embodiment of the present invention, which includes an industrial personal computer 110. As shown in fig. 2, the industrial personal computer 110 converts 1553b data into a UDP network data packet format 012, and implements information interaction with the star computer 301 and the autonomous operation simulator 302 through a network. The industrial personal computer converts the RS422 serial port data packet into a UDP network data packet format 014, and realizes information interaction with the upper note simulator 303, the signal generation simulator 304, the time-frequency simulator 305, the link simulator 306, the integrity monitoring machine A307 and the integrity monitoring machine B308 through a network. The PPS signal 013 of the industrial personal computer is generated by using network data packet simulation and transmitted through a network.
In one embodiment of the invention, the industrial personal computer adopts a high-performance industrial personal computer of the Hua science and technology, the CPU of the industrial personal computer is I7, the internal memory is 16G, and the industrial personal computer comprises a 2T hard disk, a video memory 2G and 2 gigabit network ports.
In one embodiment of the present invention, 1553b PCI type board uses Alta PCI2, which is roto-technology.
In an embodiment of the present invention, the network port type serial port forwarding device is a 5650 type MOXA device with 16 serial ports.
A method for implementing a navigation task processor simulator comprises the following steps:
2 1553b board cards with PCI interfaces and 1 PPS signal receiving board card with PCI interfaces are arranged in the industrial personal computer;
the industrial personal computer is respectively connected with the housekeeping computer, the autonomous operation simulator and the network port type serial port forwarding equipment through data lines;
the network port type serial port forwarding equipment is respectively connected with an upper note simulator, a signal generation simulator, a time frequency simulator, a link simulator, an intact monitoring machine A and an intact monitoring machine B through data lines;
configuring the board card number of a 1553b board card by using the configuration file;
using the configuration file to configure the network address and the port number of the port type serial port forwarding equipment;
transplanting the sample software of the navigation task processor to an industrial personal computer, and performing start and stop function control on the software through a control button arranged on a software interface;
and recording interface data and running state information during software running in a log mode through a storage device in an industrial personal computer.
A method for implementing a simulator of a navigation task processor according to another embodiment of the present invention includes:
configuring IP addresses and port numbers of a satellite computer and an autonomous operation simulator corresponding to 1553b information streams on an industrial personal computer;
configuring an upper note simulator, a signal generation simulator, a time-frequency simulator, a link simulator, an integrity monitoring machine A and IP addresses and port numbers of an integrity monitoring machine B corresponding to RS422 information flow on an industrial personal computer;
transplanting the sample software of the navigation task processor to an industrial personal computer, and performing start and stop function control on the software through a control button arranged on a software interface;
and recording interface data and running state information during software running in a log mode through a storage device in an industrial personal computer.
While various embodiments of the present invention have been described above, it should be understood that they have been presented by way of example only, and not limitation. It will be apparent to persons skilled in the relevant art that various combinations, modifications, and changes can be made thereto without departing from the spirit and scope of the invention. Thus, the breadth and scope of the present invention disclosed herein should not be limited by any of the above-described exemplary embodiments, but should be defined only in accordance with the following claims and their equivalents.
Claims (7)
1. The utility model provides a navigation task processor simulator, includes industrial computer and net gape type serial ports forwarding device, wherein the industrial computer includes:
the 1553b board card of the PCI interface is configured to simulate a 1553b RT module of a normal sample stand-alone machine so as to generate 1553b information flow, and information interaction with a satellite computer and an autonomous operation simulator is realized through data lines respectively; and
the PPS signal receiving board card of the PCI interface is configured to receive the PPS signal and generate a PPS interrupt signal; and
the network port type serial port forwarding equipment converts information flow in a UDP network data packet format into RS422 serial port data, and realizes information interaction with an upper note simulator, a signal generation simulator, a time frequency simulator, a link simulator, an integrity monitoring machine A and an integrity monitoring machine B through a data line.
2. The simulator of claim 1, wherein the industrial personal computer comprises 2 1553b boards and 1 PPS signal receiving board.
3. The simulator of claim 1, wherein the industrial personal computer further comprises a storage device configured to store interface data and operating state information for software runtime.
4. A method of implementing a navigation task processor simulator as claimed in claim 2, comprising:
2 1553b board cards of PC I interfaces and 1 PPS signal receiving board card of the PC I interface are arranged in the industrial personal computer;
the industrial personal computer is respectively connected with the housekeeping computer, the autonomous operation simulator and the network port type serial port forwarding equipment through data lines;
the network port type serial port forwarding equipment is respectively connected with an upper note simulator, a signal generation simulator, a time frequency simulator, a link simulator, an intact monitoring machine A and an intact monitoring machine B through data lines;
configuring the board card number of a 1553b board card by using the configuration file;
using the configuration file to configure the network address and the port number of the port type serial port forwarding equipment;
transplanting the sample software of the navigation task processor to an industrial personal computer, and performing start and stop function control on the software through a control button arranged on a software interface; and
and recording interface data and running state information during software running in a log mode through a storage device in an industrial personal computer.
5. A navigation task processor simulator comprises an industrial personal computer;
the industrial personal computer converts 1553b data into a UDP network data packet format, and information interaction with the housekeeping computer and the autonomous operation simulator is realized through a network;
the industrial personal computer converts the RS422 serial port data packet into a format of a UDP network data packet, and realizes information interaction with the upper note simulator, the signal generation simulator, the time-frequency simulator, the link simulator, the integrity monitoring machine A and the integrity monitoring machine B through a network;
and the PPS signal of the industrial personal computer is generated by using network data packet simulation and transmitted through a network.
6. The simulator of claim 5, wherein the industrial personal computer comprises a storage device configured to hold interface data and operating state information for software runtime.
7. A method of implementing a navigation task processor simulator as claimed in claim 6, comprising:
configuring IP addresses and port numbers of a satellite computer and an autonomous operation simulator corresponding to 1553b information streams on an industrial personal computer;
configuring an upper note simulator, a signal generation simulator, a time-frequency simulator, a link simulator, an integrity monitoring machine A and IP addresses and port numbers of an integrity monitoring machine B corresponding to RS422 information flow on an industrial personal computer;
transplanting the sample software of the navigation task processor to an industrial personal computer, and performing start and stop function control on the software through a control button arranged on a software interface; and
and recording interface data and running state information during software running in a log mode through a storage device in an industrial personal computer.
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