RU12478U1 - MULTIFUNCTIONAL ON-BOARD COMPUTER COMPLEX - Google Patents

Abstract

1. A multifunctional on-board computer complex comprising a microcomputer connected to the system interface highway, including a processor, read-only memory and microcomputer random access memory, interconnected by the microcomputer internal highway, and an information storage device, characterized in that it is connected to the system interface trunk adapter of radial channels of information exchange, the inputs and outputs of which are respectively the inputs and outputs of the multifunction the on-board on-board computer complex for channels with the presentation of information in a bipolar serial code, the adapter of multiplexed information exchange channels, the inputs / outputs of which are the inputs / outputs of the multifunctional on-board computer complex for information exchange channels on the multiplexed information exchange channel, the device of one-time commands, the inputs and outputs of which are respectively, the inputs and outputs of one-time commands of a multifunctional on-board computer complex, and also a health signal conditioner, the input of which is connected to the health signal output of the adapter for radial information exchange channels, and the output is the "Health" output of a multifunctional computing complex, while the microcomputer additionally contains a non-volatile random access memory microcomputer connected to the internal highway of the microcomputer, the microcomputer additionally contains inputs configurations and technological programming port, which are respectively configuration inputs

Description

Multifunctional on-board computer complex

The utility model relates to computer technology and is designed for pairing and digital data processing in airborne complexes of aircraft.

Currently, the on-board computer complex requires a large number of calculations and the implementation of complex algorithms to effectively use control objects. To achieve these goals, the use of powerful computing tools with wide functional capabilities is required.

Known computing system 1, containing several microcomputers with individual memory devices and several common memory devices, each of which is associated with two microcomputers. When working with individual memory, microcomputers can execute programs independently of each other. Storage devices are used to exchange information between microcomputers.

Known microprocessor computing system 2, consisting of several autonomous microprocessors connected via a system bus with a common external memory. The exchange of information between microprocessors is via shared memory. Access of autonomous microprocessors to the general memory obesMPK G06F 15/16

baked by the system bus distributor. Such an organization of the system is preferable to the previous one, since all microprocessors have the same capabilities when using shared memory.

Known microprocessor computing system 3, which contains microprocessors connected by two-way communications through a device for interfacing with a memory device, and a resource allocation device that performs the functions of a system dispatcher.

A microprocessor system 4 is known, comprising microprocessor modules, an external memory, a communication device with a memory, a switching unit and a pulse generator, while the information input / output, address and control inputs of the storage device are connected respectively to the information input / output, address and first control the inputs of each glycroprocessor unit, as well as with the information input, address and first control outputs of the communication device with memory. The synchronization of the system elements is carried out by signals from the clock generator. In this system, there is no test control and control of the correct functioning of its constituents.

Other specialized control computing systems and data management and processing systems are known (see, for example, utility models 5, b, 7).

The disadvantage of these systems is not wide enough functionality due to their narrow specialization.

A control computer system adopted for prototype 8 is also known. This computer system contains at least five microcomputers, each of which contains a microprocessor, random access memory, read-only memory, interconnected internal circuit of the microcomputer, a clock pulse generator, the output of which connected to the clock input of the microprocessor, the processing interrupt processing node, the inputs of which are multichannel input of the software microcomputer, and the output is connected to the control microprocessor input. The system contains a system interface bus to which the microcomputer is connected. The structure of the system also includes a documentation unit (information storage device), made, for example, on magnetic storage devices.

The disadvantages of the prototype system are insufficiently wide functionality due to the narrow specialization and low reliability in the event of a power outage, including short-term.

The objective of the proposed utility model is the creation of a multifunctional on-board computer complex with wider functionality and increased reliability.

The essence of the proposed utility model is that in a multifunctional computing complex containing a microcomputer connected to the system interface highway, including a processor, read-only memory and random access memory microcomputer, interconnected by an internal microcomputer highway, as well as an information storage device connected to the system interface highway adapter for radial channels of information exchange, the inputs and outputs of which are respectively inputs and outputs of a multifunctional on-board computer complex for channels with the presentation of information by a bipolar serial code, an adapter for multiplexed information exchange channels, the inputs / outputs of which are inputs / outputs of a multifunctional on-board computer complex for information exchange channels via a multiplex information exchange channel, a unit of one-time commands, the inputs and outputs of which are respectively the inputs and outputs of the one-time commands of the multifunctional on-board a computer complex, as well as a health signal generator, the input of which is connected to the health signal output of the adapter for radial information exchange channels, and the output is the health condition of a multifunctional computer complex, while the microcomputer additionally contains a non-volatile random access memory microcomputer connected to the internal line of the microcomputer, the microcomputer additionally contains configuration inputs and a technological programming port that are compliant With the configuration inputs and the technological programming port of the multifunctional on-board computer complex, the read-only memory is made in the form of an electro-programmable microcomputer memory implemented on the basis of elements with electrical erasure and programming, the information storage device is connected to the system interface line and contains an operational information interconnected by the internal data storage line mass storage device, information non-volatile random access memory of the information storage device and an electro-programmable storage device of the information storage device, and a control device of the information storage device whose outputs are connected to the control inputs of the operating storage device of the information storage device, non-volatile random access memory device of the information storage device and electro-programmable storage device of the information storage device, electro-programmed storage device of information storage deviceIt is implemented on the basis of elements with electrical erasure and programming, and the power source of the multifunctional on-board computer complex is made in the form of a module placed in one housing with other electronic modules of the multifunctional computer complex outside the zone of placement of these electronic modules.

In the proposed multifunctional on-board computer complex, the power supply is equipped with an isolation element at its input, the inputs of which are inputs of the multifunctional on-board computer complex for connecting to different on-board power networks.

In this case, the decoupling element contains diodes, the anodes of which are inputs of the decoupling element, and their cathodes are interconnected and form the output of the decoupling element.

The essence of the utility model is illustrated by drawings, which depict:

in FIG. 1 is a functional diagram of a multifunctional on-board computer complex;

in FIG. 2 is a drawing illustrating the relative positioning of a power supply module and other modules of a multifunctional on-board computer complex.

1- system interface highway;

2- microcomputer;

3- processor;

4- micro-computer programmable memory;

5 - random access memory microcomputer;

6 - internal trunk of the microcomputer;

7- information storage device;

8- adapter of radial channels of information exchange;

- 5 11- conditioner signal conditioner;

12 - non-volatile memory microcomputer;

13- internal highway information storage;

14 - random access memory device information;

15 - non-volatile random access memory storage device information;

16 - electro-programmable storage device for information storage;

17 - control device information storage;

18- power supply;

19 - power supply module 18;

20- building;

21- zone of placement of electronic modules;

22- element of denouement; 23, 24 - diodes;

25 - health indicator.

The multifunctional on-board computer complex contains a microcomputer 2 connected to the system interface highway 1 (ISA bus), including a processor 3, an electro-programmable read-only memory 4 and a random access memory 5 microeums, interconnected by an internal highway b micro-computers, and also an information storage device 7 connected to system interface bus 1 adapter 8 radial channels of information exchange, the inputs and outputs of which are respectively the inputs and outputs of multi-function a national on-board computer complex for channels with the presentation of information in a bipolar serial code, an adapter for 9 multiplex information exchange channels, the inputs / outputs of which are inputs / outputs of a multifunction on-board computer complex for information exchange channels on a multiplex information exchange channel, a device for 10 one-time commands, the inputs and outputs of which are respectively the inputs and outputs of one-time commands of a multifunctional on-board computer Mlexa, as well as a driver 11 of the health signal, the input of which is connected to the output of the health signal of the adapter of the radial channels of information exchange (Fig. 1), the Microcomputer 2 also contains a non-volatile random access memory 12 microcomputer connected to the internal highway b of the microcomputer. Microcomputer 2 additionally contains configuration inputs and a technological programming port, which are respectively configuration inputs and a technological programming port of a multifunctional on-board computer complex. The information storage device 7 is connected to the system interface highway 1 and contains the information storage device 14, the non-volatile random access memory device 15 of the information storage device and the programmable storage device 16 of the information storage device connected to each other by the internal line 13 of the information storage device, and the information storage device control device 17, the outputs of which connected to the control inputs of random access memory 14 information storage device, energy Independent random access memory 15, data storage media and the storage device 16 elektroprogrammiruemogo storage media.

All electronic devices that make up the multifunctional on-board computer complex are made in the form of functionally and structurally complete modules.

The power source 18 of the multifunctional on-board computer complex is made in the form of a module 19 located in one housing 20 with other electronic modules of the multi-functional computer complex outside the zone 21 for placing these electronic modules (Fig. 2). This embodiment of the power supply 18 provides a compact design of a multifunctional computing complex with minimal interconnect connections and minimal interference from the source 18 on the operation of the remaining electronic modules.

The power supply source 18 is equipped with an isolation element 22 at its input, the inputs of which are inputs of a multifunctional on-board computer complex for connecting to different on-board power supply networks.

The decoupling element 22 contains diodes 23, the 24 anodes of which are inputs of the decoupling element, and their cathodes are interconnected and form the output of the decoupling element 22. The number of diodes in the isolation element 22 is determined by the number of different on-board power supply networks + 27V (1) and + 27V (11), to which a multifunctional on-board computer complex can be connected. In the simplest case, such diodes in an element are selected equal to two, as shown in FIG. 1.

Adapter 8 provides information exchange with a bipolar code in accordance with ARINC-429 and GOST 18977-79. The modes of operation of adapter 8 are set by the user program. The interaction of the adapter 9 with the microcomputer 2 is carried out on the system line 1 through the input-output ports and interrupt the system line 1.

The adapter 9, operating in the controller or terminal mode according to commands from the user program, provides the exchange of information on the primary and backup communication channels in accordance with GOST 26765.52-87. The interaction of the adapter 9 with the microcomputer 2 is carried out on the system line 1 through the input-output ports and interrupt the system line 1.

it through eight input lines of one-time commands of the key-to-case type and via eight output channels of the key-to-body type.

Shaper 11 provides a signal formation Serviceability, taking into account the serviceability of the electronic modules included in the complex.

The information storage device 7 provides recording and storage of all necessary information.

The work of the multifunctional on-board computer complex is provided by the USER user program and microcomputer 2 resident programs, which provide:

installation of the microcomputer 2 in the initial state after applying power;

downloading a user program through a serial port;

transfer of control to the user program after performing installation procedures;

monitoring the progress of the computing process and the development of a symptom of a malfunction in case of violation;

serial ports operation;

generation of a hardware signal of serviceability of a multifunctional on-board computer complex.

The inputs of the configuration and technological programming of the microcomputer 2 provide the ability to change the configuration and reprogramming without dismantling the multifunctional computing complex.

The construction used in the proposed multifunctional on-board computer complex and undescribed functional blocks is well known.

A multifunctional on-board computer system operates as follows.

- 9 complex power supply + 27V (1) and + 27V (II) at the output of the isolation element 22 appears voltage, which includes a source of 18 power supply.

After turning on the power source 18, automatic self-initialization of the microcomputers 2 starts. The processor 3 starts the execution of the work program. General monitoring of the operability of the multifunctional on-board computer complex, including input-output devices, with the generation of a signal. Serviceability is carried out by the USER program. The serviceability of the multifunctional on-board computer complex is indicated using the serviceability indicator.

In case of disconnection of the supply voltage + 27V (1) or + 27BCII), the voltage at the output of the isolation element 22 does not disappear, ensuring the continuous operation of the multifunctional on-board computer complex even in the absence of one of the voltages.

In the case of simultaneous shutdown of the supply voltage + 27V (1) or + 27V (11), all the necessary information is stored thanks to non-volatile memory devices 12 and 15 and can be used for further work.

Thus, the proposed multifunctional on-board computer complex has versatility, wider functionality and a robust reliability.

The presented drawings and description of the system make it possible, using the existing element base, to manufacture it in an industrial way and use it to collect information and subsequently process it to generate control signals for the aircraft avionics, which characterizes the proposed utility model as being industrially applicable.

- 10 Sources of information.

1.Pat. USA No. 4065809, IPC G06F 15/16, 1977

2.Pat. USA No. 3959775, IPC G06F 15/16, 1976

3.A.S. USSR No. 742943, IPC G06F 15/16, 1980

4.A.S. USSR No. 907551, IPC G06F 15/16, 1982

5.Svid. RF № 4394 on PM, IPC G06F 15/16, 1997

6.Svid. RF № 4395 for PM, IPC G06F 15/16, 1997,

7.Svid. RF № 9321 on the PM, IPC G06F 15/16, 1999,

8. Svid. RF № 6923 on PM, IPC G06F 15/16, 1998

- eleven

The notation for FIG. 1

1- system interface highway;

2- microcomputer;

3- processor;

4 - electro-programmable memory microcomputer;

5 - random access memory microcomputer;

6 - internal trunk of the microcomputer;

7- information storage device;

8- adapter of radial channels of information exchange;

9- adapter multiplex channels of information exchange; 10 - device one-time commands;

11 - conditioner conditioner;

12 - non-volatile memory microcomputer;

13- internal highway information storage;

14 - random access memory device information;

15 non-volatile random access memory storage device information;

16-programmable storage device information storage;

17 - control device information storage;

18- power supply; 22 - an element of isolation;

23, 24 - diodes.

Multifunctional on-board computer complex

Claims (3)

1. A multifunctional on-board computer system comprising a microcomputer connected to a system interface highway, including a processor, read-only memory and microcomputer random access memory, interconnected by an internal microcomputer highway, and an information storage device, characterized in that it is connected to the system interface trunk adapter of radial channels of information exchange, the inputs and outputs of which are respectively the inputs and outputs of the multifunction the on-board on-board computer complex for channels with the presentation of information by a bipolar serial code, the adapter of multiplexed information exchange channels, the inputs / outputs of which are the inputs / outputs of the multifunctional on-board computer complex for information exchange channels on the multiplexed information exchange channel, the device of one-time commands, the inputs and outputs of which are respectively, the inputs and outputs of one-time commands of a multifunctional on-board computer complex, and also a health signal conditioner, the input of which is connected to the health signal output of the adapter for radial information exchange channels, and the output is the "Health" output of a multifunctional computing complex, while the microcomputer additionally contains a non-volatile random access memory microcomputer connected to the internal highway of the microcomputer, the microcomputer additionally contains inputs configurations and technological programming port, which are respectively configuration inputs and a technological port for programming a multifunctional on-board computer complex, read-only memory is made in the form of an electro-programmable microcomputer memory implemented on the basis of elements with electrical erasure and programming, the information storage device is connected to the system interface line and contains the online storage device connected to each other by the internal data storage line non-volatile information promptly information storage device and electro-programmable information storage device, and information storage device control, the outputs of which are connected to the control inputs of the information storage device, non-volatile memory information storage device and information storage programmable electronic device, information programmable storage device is based on eleme ntov with electrical erasure and programming, and the power source of the multifunctional on-board computer complex is made in the form of a module placed in one housing with other electronic modules of the multifunctional computer complex outside the zone where these electronic modules are located.  2. The multifunctional on-board computer complex according to claim 1, characterized in that its power supply is equipped with an isolation element at its input, the inputs of which are inputs of the multifunctional on-board computer complex for connecting to different on-board power networks. 3. The multifunctional on-board computer complex according to claim 2, characterized in that the decoupling element contains diodes, the anodes of which are inputs of the decoupling element, and their cathodes are interconnected and form the output of the decoupling element.