CN107688335B - A kind of launch vehicle measurement that cruise mode can be switched with emission mode - Google Patents
A kind of launch vehicle measurement that cruise mode can be switched with emission mode Download PDFInfo
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- G—PHYSICS
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- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0208—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the configuration of the monitoring system
- G05B23/0213—Modular or universal configuration of the monitoring system, e.g. monitoring system having modules that may be combined to build monitoring program; monitoring system that can be applied to legacy systems; adaptable monitoring system; using different communication protocols
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Abstract
A kind of launch vehicle measurement that cruise mode can be switched with emission mode, comprising: the first observing and controlling combination, the second observing and controlling combination, matrix switch module and BIT detection module；When being in cruise mode, the observing and controlling combination in the first observing and controlling combination, the second observing and controlling combination is connect by matrix switch module with external controlled device, executes TT&C task；Another observing and controlling combination is connect by matrix switch module with BIT detection module, is detected by BIT detection module to another described observing and controlling combination；When being in emission mode, the first observing and controlling combination, the second observing and controlling combination are switched to by matrix switch module and are connect with external controlled device, execute TT&C task；Matrix switch module realizes the switching of the first observing and controlling combination, the second observing and controlling combination connection.Relatively existing implementation is not, it can be achieved that On-line Fault Detection and power off reparations, the reliability of raising system long-time continuous operation.
Description
Technical field
The present invention relates to ground observing and controlling systems, send out and control more particularly to the survey that a kind of cruise mode and emission mode can be switched
System belongs to Design of Electrical System Reliability field.
Background technique
The autonomous controllable device such as domestic Loongson processor is more and more widely used in Space Industry, but itself exists
The not high status of inherent reliability.New generation's carrier rocket, missile armament launch vehicle measurement need to have for a long time power-up survey
Examination or long-term ability on duty, the reliability of the electrical equipment for being made of domestic Loongson processor also proposed higher and higher
Requirement.Requirement of these systems to reliability is no longer satisfied only by the reliability for improving single machine, how to improve and is
The reliability of system becomes the key to solve the problem.
The measure taken at present mainly has dual-computer redundancy, cold and hot backup etc., though the reliability of system is improved, equipment work
Oneself state cannot be tested when making, can not find failure symptom early；After single machine breaks down, it is also necessary to which power-off is more
It changes, is not able to satisfy and is powered continuously test or long-term requirement on duty for a long time.
Summary of the invention
It is an object of the invention to: overcome the drawbacks described above of the prior art, a kind of cruise mode is provided and emission mode can
The launch vehicle measurement of switching makes up the problem of single localized equipments reliability deficiency, it is ensured that credible, the reliable work of system long-time
Make, provides production domesticization information basic platform in self-contained whole storage and each mission profiles such as long-time war preparedness is on duty for space product.
The technical solution of use of the invention are as follows:
A kind of launch vehicle measurement that cruise mode can be switched with emission mode, comprising: the first observing and controlling combination, the second observing and controlling group
Conjunction, matrix switch module and BIT detection module；
When being in cruise mode, the observing and controlling combination in the first observing and controlling combination, the second observing and controlling combination is opened by matrix
It closes module to connect with external controlled device, executes TT&C task；Another observing and controlling combination is detected by matrix switch module and BIT
Module connection detects another described observing and controlling combination by BIT detection module；
When being in emission mode, the first observing and controlling combination, the second observing and controlling combination be switched to by matrix switch module and
External controlled device connection, executes TT&C task；
Matrix switch module realizes the switching of the first observing and controlling combination, the second observing and controlling combination connection.
The cruise mode refers to: the first observing and controlling combination is in standby with the second observing and controlling combination or periodical self-test shape
State, an observing and controlling combination is connect with controlled device at this time, in running order, another observing and controlling combination connects with BIT detection module
It connects, carries out itself functional interface test.
The emission mode refers to: the first observing and controlling combination and the second observing and controlling combination are connect with controlled device, the first observing and controlling
Warm back-up each other is combined in combination and the second observing and controlling.
When being in cruise mode, the connection relationship that the first observing and controlling combination, the second observing and controlling are combined periodically switches, and then passes through
BIT detection module combines the first observing and controlling and the second observing and controlling combination detects.
The first observing and controlling combination is identical with the composition that the second observing and controlling is combined, and includes cpci bus controller, number I/O
Module, AD/DA module, conditioning module, ethernet module and redundant control module；
When the first observing and controlling combination or the second observing and controlling combination are connect with external controlled device, digital I/O module, AD/DA mould
Block and conditioning module work under the control of cpci bus controller, and digital I/O module is used between external controlled device
On-off signal and output, AD/DA module are used for analog input and output between external controlled device, and conditioning module is used
In to the analog quantity being input in AD/DA module and the analog quantity progress signal condition exported from AD/DA module；
When the first observing and controlling combination or the second observing and controlling combination are connect with BIT detection module, the transmission of cpci bus controller is opened
Beginning self-checking command controls ethernet module and connects Ethernet to redundant control module, redundant control module, so that place is surveyed
Control combination is communicated by Ethernet and BIT detection module, and redundant control module sends detection content and detection timing to BIT
Detection module, control BIT detection module to place observing and controlling combination in digital I/O module, AD/DA module and ethernet module into
Row functional check.
The BIT detection module includes BIT strategy controller, I/O detection module, AD/DA detection module and Ethernet inspection
Survey module；
When BIT detection module combines connection with observing and controlling, BIT strategy controller receives observing and controlling and combines the detection sended over
Content and detection timing call I/O detection module, AD/DA detection module and Ethernet inspection according to detection timing and detection content
Module is surveyed to detect the corresponding function module in observing and controlling combination.
The BIT strategy controller and cpci bus controller are all made of Godson realization.
Compared with prior art, the present invention has the following advantages:
It is proposed by the present invention it is a kind of based on domestic Loongson processor measuring and controlling equipment composition redundant system cruise mode with
The changeable method of emission mode, may be implemented the on-line checking and troubleshooting to redundance unit operating status, effectively mentions
The test coverage of high system, and then the reliability of system long time continuous working is improved, constantly cutting it can change work for a long time
Operation mode meets the self-contained whole storage of space product and prepares for war the requirements such as on duty for a long time.
Detailed description of the invention
Fig. 1 is launch vehicle measurement block diagram of the present invention；
Fig. 2 is BIT detection module composition block diagram of the present invention；
Fig. 3 is that composition block diagram is combined in observing and controlling of the present invention.
Specific embodiment
The present invention is described in further detail in the following with reference to the drawings and specific embodiments.
This paper presents the cruise modes and hair of a kind of redundant system based on domestic Loongson processor measuring and controlling equipment composition
The changeable launch vehicle measurement of emission mode, has the advantage that
A. two stylobates form redundant system, respectively Host Status and slave shape in the measuring and controlling equipment of domestic Loongson processor
Higher reliability may be implemented in state；
B. in system operation strategically, periodically exit emission mode and enter cruise mode, an observing and controlling is set at this time
Standby in running order, another carries out self-test to function, performance, interface using BIT equipment, finds failure early, improves system
The test coverage of system；
C. two measuring and controlling equipments in emission mode strategically periodically carry out master-slave swap, realize role rotation, main
Machine can carry out state self-test after becoming slave, realize the two-shipper all standing of detection.
As shown in Figure 1, launch vehicle measurement proposed by the present invention includes: that the first observing and controlling combination, the second observing and controlling combination, matrix are opened
Close module and BIT detection module；
When being in cruise mode, the observing and controlling combination in the first observing and controlling combination, the second observing and controlling combination is opened by matrix
It closes module to connect with external controlled device, executes TT&C task；Another observing and controlling combination is detected by matrix switch module and BIT
Module connection detects another described observing and controlling combination by BIT detection module, and detection process does not influence TT&C task
It is normal to execute；The two connection status periodically switches, and realizes the not outage detection to two equipment.
When being in emission mode, the first observing and controlling combination, the second observing and controlling combination be switched to by matrix switch module and
External controlled device connection, executes TT&C task；The two forms the redundant system of warm back-up each other, works as state of value when being wherein in
Observing and controlling combination break down after, automatic seamless is switched to the combination of the observing and controlling in Status of Backups, realizes continuous externally control.
Matrix switch module realizes the switching of the first observing and controlling combination, second observing and controlling combination connection, assists BIT to detect with this
Module is realized to the self-checking function under cruise mode to machine equipment.The company of two-shipper and controlled device can also be switched in the transmission mode
Relationship is connect, when certain channels are broken down, the reconstruct to control access can be realized by channel multiplexing technology.
Cruise mode refers to: the first observing and controlling combination is in standby with the second observing and controlling combination or periodical self-test state,
An observing and controlling combination is connect with controlled device at this time, in running order, another observing and controlling combination is connect with BIT detection module,
Carry out itself function, performance and interface testing；The redundant control module that the two state is combined by observing and controlling periodically switches over,
Emission mode refers to: the first observing and controlling combination and the second observing and controlling combination are connect with controlled device, the first observing and controlling combination
Warm back-up each other is combined with the second observing and controlling.
When being in cruise mode, the connection relationship that the first observing and controlling combination, the second observing and controlling are combined periodically switches, and then passes through
BIT detection module combines the first observing and controlling and the second observing and controlling combination detects.
System components specific implementation:
As shown in figure 3, the first observing and controlling combination (A is combined in observing and controlling) is identical with the composition of the second observing and controlling combination (B is combined in observing and controlling),
It include cpci bus controller, number I/O module, AD/DA module, conditioning module, ethernet module and redundant control module；
When the first observing and controlling combination or the second observing and controlling combination are connect with external controlled device, digital I/O module, AD/DA mould
Block and conditioning module work under the control of cpci bus controller, and digital I/O module is used between external controlled device
On-off signal and output, AD/DA module are used for analog input and output between external controlled device, and conditioning module is used
In to the analog quantity being input in AD/DA module and the analog quantity progress signal condition exported from AD/DA module；
When the first observing and controlling combination or the second observing and controlling combination are connect with BIT detection module, the transmission of cpci bus controller is opened
Beginning self-checking command controls ethernet module and connects Ethernet to redundant control module, redundant control module, so that place is surveyed
Control combination is communicated by Ethernet and BIT detection module, and redundant control module sends detection content and detection timing to BIT
Detection module, control BIT detection module to place observing and controlling combination in digital I/O module, AD/DA module and ethernet module into
Row functional check.
Redundant control module is mainly responsible for two equipment working states of detection, executes redundancy handoff functionality, management when necessary
The input/output state under emission mode and cruise mode is combined in two observing and controlling, is the main holding equipment switched online.
Redundant control module passes through monitoring CPCI master controller working condition, finds primary controller procedure operation event in time
Barrier realizes that principal and subordinate monitors mutually whether counterpart device deadlock occurs, to initiate the master-slave swap under host crash state.
After CPCI master controller issues self-checking command, redundant control module and BIT detection module cooperate, and assist to process, project
It adjusts, result is assessed.
CPCI master controller is based on domestic Godson 2J processor, and operating system controls software；AD/DA module, number I/O mould
Block, conditioning module mainly realize the functions such as On-off signal output, analog acquisition and output；Power supply module is responsible for will be straight
Stream 28V power supply is converted to each voltage of measuring and controlling equipment needs.BIT detection circuit is designed inside the above equipment, for itself
Working condition is monitored, and reports BIT detection module to be uniformly processed result by ethernet module.
BIT detection module only works under cruise mode, recycles the various types of signal index to A/B observing and controlling combination external interface
Carry out test assessment.Concrete function is as follows:
1) it tests and whether output switch parameter, analog acquisition and the output channel of judgement observing and controlling combination A or observing and controlling combination B
It works normally；
2) A/B is combined by periodical exchange observing and controlling to connect with BIT module, test the Two-channel switching time, judge that switching is real
Shi Xing；
3) if it is determined that operation irregularity phenomenon, is uploaded by Ethernet and determine information.
As shown in Fig. 2, BIT detection module include BIT strategy controller, I/O detection module, AD/DA detection module and with
Too net detection module.Wherein BIT strategy controller uses Godson 2J processor identical with measuring and controlling equipment A/B, cooperates redundancy control
The status switching instruction and test item of molding block, detect equipment.IO detection module, AD/DA detection module and observing and controlling
It combines consistent in A/B.
When BIT detection module combines connection with observing and controlling, BIT strategy controller receives observing and controlling and combines the detection sended over
Content and detection timing call I/O detection module, AD/DA detection module and Ethernet inspection according to detection timing and detection content
It surveys module to detect the corresponding function module in observing and controlling combination, and ensure process of self-test not to influence the normal work of redundant system
Make, after the completion of self-test, automatic uploading detection issues prompt as a result, if faulty need to handle.
Matrix switch module is responsible for completing the operating mode switching of redundant system, on-off model conditioning, analog signals
Conversion etc..Redundant system has two operating modes, and one is cruise mode, and redundant system is in standby or the period at this time
Property carry out self-test；One is emission mode, and redundant system undertakes launch mission at this time.
When be in cruise mode when, matrix switch module control observing and controlling combination A connect with controlled device, observing and controlling combination B and
BIT detection module connects, and after certain interval of time, is switched by matrix switch, and observing and controlling combination B is connect with controlled device, surveys
Control combination A is connect with BIT detection module, and such periodic cycle carries out.When being in emission mode, A and observing and controlling are combined in observing and controlling
Combination B is switched by matrix switch module to be connect with controlled device, and observing and controlling combination B is in hot standby state.
System operating mode:
Cruise mode: redundant system receives the switching command that main control computer is sent, and executes cruise mode.In cruise mode
Under state, observing and controlling combination A, observing and controlling combination B determine host and slave, respective redundant control module difference according to electric sequence
The output switch parameter and analog output for controlling this observing and controlling combination are maintained at output state.BIT detection module controls matrix switch
Module switching, output switch parameter, the analog output of observing and controlling combination A enter controlled device, the analog output times of controlled device
Increase conversion has the analog input connection for combining A with observing and controlling all the way later, and another way is hanging；The output switch parameter of observing and controlling combination B,
Analog output enters BIT detection module, and analog input connects the DA output channel of BIT detection module.Certain interval of time
Later, BIT detection module control matrix switch module switches over, and role exchange, i.e. observing and controlling combination B and quilt are combined in two observing and controlling
Object connection is controlled, observing and controlling combination A connect with BIT detection module, will not have an impact to controlled device in handoff procedure.
Emission mode: redundant system receives the switching command that main control computer is sent, and executes emission mode.In emission mode
Under state, observing and controlling combination A, observing and controlling combination B determine host and slave according to electric sequence, and the redundant control module of host controls this
The output switch parameter and analog output of observing and controlling combination are maintained at output state, and the redundant control module of slave controls this observing and controlling group
The output switch parameter and analog output of conjunction are maintained at off-state.BIT detection module controls matrix switch module switching, host
Output switch parameter, analog output enter pressurization simulator, slave does not export, and the analog output of controlled device doubles conversion
Combining the analog input connection of A with observing and controlling all the way later, the analog input that another way combines B with observing and controlling connects, and controlled pair
The output switch parameter of elephant is divided into the On-off signal connection for combining A and observing and controlling combination B after two-way with observing and controlling respectively.
Embodiment:
A is combined in observing and controlling and observing and controlling combination B composition is identical.Wherein, cpci bus controller uses Godson 2J processor for core
The heart is responsible for managing and controlling all peripheral modules, is completed hot backup redundancy and application function using vxworks operating system；
It is hot standby under redundant control module offer CPU work monitoring, heartbeat signal generation and detection, master slave mode differentiation, deadlock to cut
Control and self-test coordination function are changed, is realized using domestic FPGA, to the heartbeat signal of pulse frequency 10kHz, duty ratio 50%
It is detected, and is controlled by internal network module coordination master slave mode and self-checking function；Analog I/O module number of channels meets
The input of 32 tunnels, output channel requirement；AD/DA module and signal conditioning module number of channels meet 16 output channels and 16 inputs are logical
The requirement in road；Ethernet module uses gigabit Ethernet, is responsible for correspondence with foreign country.
Matrix switch module design parameter is as follows:
2 × 2 matrix switch of veneer totally 8 tunnel；
3U CPCI standard module
DO/DI switching channel totally 32 tunnel, needing matrix switch module is 4 pieces；AO switching channel totally 16 tunnel, needs matrix to open
Closing module is 2 pieces；AI switching channel totally 16 tunnel, needing matrix switch module is 2 pieces.
In the above manner, realizing a kind of cruise mode and emission mode based on domestic Loongson processor measuring and controlling equipment
On-line checking and not disconnection fault processing to redundance unit operating status may be implemented, effectively in changeable redundant system
The test coverage of raising system, and then the reliability of system long time continuous working is improved, it is standby for a long time to meet space product
It the requirements such as fights on duty.
The content that description in the present invention is not described in detail belongs to the well-known technique of professional and technical personnel in the field.
Claims (5)
1. the launch vehicle measurement that a kind of cruise mode and emission mode can be switched, characterized by comprising: the first observing and controlling combination, the
Two observing and controlling combinations, matrix switch module and BIT detection module；
When being in cruise mode, the observing and controlling combination in the first observing and controlling combination, the second observing and controlling combination passes through matrix switch mould
Block is connect with external controlled device, executes TT&C task；Another observing and controlling combination passes through matrix switch module and BIT detection module
Connection detects another described observing and controlling combination by BIT detection module；
When being in emission mode, the first observing and controlling combination, the second observing and controlling combination are switched to and outside by matrix switch module
Controlled device connection, executes TT&C task；
Matrix switch module realizes the switching of the first observing and controlling combination, the second observing and controlling combination connection；
The cruise mode refers to: the first observing and controlling combination is in standby with the second observing and controlling combination or periodical self-test state,
An observing and controlling combination is connect with controlled device at this time, in running order, another observing and controlling combination is connect with BIT detection module,
Itself functional interface test is carried out,
The emission mode refers to: the first observing and controlling combination and the second observing and controlling combination are connect with controlled device, the first observing and controlling combination
Warm back-up each other is combined with the second observing and controlling.
2. the launch vehicle measurement that a kind of cruise mode according to claim 1 and emission mode can be switched, it is characterised in that:
When being in cruise mode, the connection relationship that the first observing and controlling combination, the second observing and controlling are combined periodically switches, and then passes through BIT and detect
Module combines the first observing and controlling and the second observing and controlling combination detects.
3. the launch vehicle measurement that a kind of cruise mode according to claim 1 and emission mode can be switched, it is characterised in that:
The first observing and controlling combination is identical with the composition that the second observing and controlling is combined, and includes cpci bus controller, number I/O module, AD/
D/A module, conditioning module, ethernet module and redundant control module；
When the first observing and controlling combination or the second observing and controlling combination with outside controlled device connect when, digital I/O module, AD/DA module and
Conditioning module works under the control of cpci bus controller, and digital I/O module is for the switch between external controlled device
Amount is output and input, AD/DA module between external controlled device analog input and output, conditioning module for pair
The analog quantity being input in AD/DA module and the analog quantity exported from AD/DA module carry out signal condition；
When the first observing and controlling combination or the second observing and controlling combination are connect with BIT detection module, cpci bus controller, which is sent, to be started certainly
Inspection instruction is to redundant control module, and redundant control module controls ethernet module and connects Ethernet, so that place observing and controlling group
Conjunction is communicated by Ethernet and BIT detection module, and redundant control module sends detection content and detection timing is detected to BIT
Module, control BIT detection module carry out function to digital I/O module, AD/DA module and the ethernet module in place observing and controlling combination
It can check.
4. the launch vehicle measurement that a kind of cruise mode according to claim 3 and emission mode can be switched, it is characterised in that:
The BIT detection module includes BIT strategy controller, I/O detection module, AD/DA detection module and Ethernet detection module；
When BIT detection module combines connection with observing and controlling, BIT strategy controller receives observing and controlling and combines the detection content sended over
I/O detection module, AD/DA detection module and Ethernet is called to detect mould according to detection timing and detection content with detection timing
Block detects the corresponding function module in observing and controlling combination.
5. the launch vehicle measurement that a kind of cruise mode according to claim 4 and emission mode can be switched, it is characterised in that:
The BIT strategy controller and cpci bus controller are all made of Godson realization.
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| CN109542085B (en) * | 2018-11-26 | 2020-10-23 | 东北大学 | Automatic experiment platform flexible switching device with time-lag configuration function and method |
| CN112327679A (en) * | 2020-10-12 | 2021-02-05 | 中国运载火箭技术研究院 | Ground measurement and launch control system |
| CN114141040B (en) * | 2021-11-30 | 2023-02-21 | 燕山大学 | Signal lamp passing redundancy system used in intelligent networked vehicle cruise mode |
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