CN114545805B - Method, device and system for on-line adjustment of aero-engine control parameters - Google Patents
Method, device and system for on-line adjustment of aero-engine control parameters Download PDFInfo
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- CN114545805B CN114545805B CN202011328776.8A CN202011328776A CN114545805B CN 114545805 B CN114545805 B CN 114545805B CN 202011328776 A CN202011328776 A CN 202011328776A CN 114545805 B CN114545805 B CN 114545805B
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
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Abstract
The present disclosure provides a method, apparatus, and system for online adjustment of aircraft engine control parameters. The method for on-line adjustment of aero-engine control parameters comprises the following steps: identifying the current states of the on-line parameter adjusting reset switch and the on-line parameter adjusting enabling switch according to the on-line parameter adjusting reset switch state information and the on-line parameter adjusting enabling switch state information included in the acquired switch state information; if the on-line parameter adjusting reset switch is in an off state, the on-line parameter adjusting enabling switch is in an on state, and the engine is in a preset state currently, switching the current mode of the electronic controller into an on-line parameter adjusting mode, and feeding back mode switching feedback information to the rack upper computer; after receiving the modulated parameter information sent by the rack upper computer, updating the current effective value of the corresponding parameter by using the modulated parameter information; and feeding back the parameter adjustment feedback information to the rack upper computer so that the rack upper computer presents the parameter adjustment feedback information. The method and the device can effectively save test time and shorten test period.
Description
Technical Field
The present disclosure relates to the field of aero-engine control, and in particular, to a method, apparatus, and system for online adjustment of aero-engine control parameters.
Background
An aeroengine control system is a very complex control system involving a large number of control parameters. In the related art, it is necessary to modify the adjustable parameter while the engine is in a stopped state.
Disclosure of Invention
The inventor finds that when the aero-engine is used for carrying out a bench test run, particularly a performance optimization test, the engine is required to be repeatedly controlled to stop so as to modify the adjustable parameters, so that the test period is prolonged, and the test time is wasted.
Accordingly, the scheme for online adjustment of the control parameters of the aero-engine can effectively save test time and shorten test period.
According to a first aspect of embodiments of the present disclosure, there is provided a method for online adjustment of aircraft engine control parameters, performed by an electronic controller, comprising: after the switch state information of the upper computer of the bench is acquired, the current states of the on-line parameter adjusting reset switch and the on-line parameter adjusting enabling switch are identified according to the on-line parameter adjusting reset switch state information and the on-line parameter adjusting enabling switch state information included in the switch state information; if the on-line parameter adjusting reset switch is in an off state, the on-line parameter adjusting enabling switch is in an on state, and the engine is in a preset state, switching the current mode of the electronic controller into an on-line parameter adjusting mode, and feeding back mode switching feedback information to the rack upper computer; after receiving the modulated parameter information sent by the rack upper computer, updating the current effective value of the corresponding parameter by using the modulated parameter information; and feeding back the parameter adjustment feedback information to the rack upper computer so that the rack upper computer presents the parameter adjustment feedback information.
In some embodiments, the preset state includes: the engine is in a slow vehicle state or a state above the slow vehicle, and the acceleration and deceleration state of the engine is in a steady state.
In some embodiments, after receiving the modulated parameter information sent by the gantry upper computer, verifying the modulated parameter information; if the adjusted parameter information passes the verification, updating the current effective value of the corresponding parameter by using the adjusted parameter information; if the adjusted parameter information does not pass the verification, the verification failure information is fed back to the rack upper computer, so that the rack upper computer regenerates and transmits the adjusted parameter information according to the user operation.
In some embodiments, verifying the tuned parameter information includes at least one of a parameter identification verification, a parameter range verification, or a two-pass consistency verification; the parameter identification verification comprises extracting a parameter identification from the modulated parameter information, and if the parameter identification is in a preset identification range, determining that the modulated parameter information passes the verification; the parameter range verification comprises extracting parameter values from the modulated parameter information, and if the parameter values are within a preset value range, determining that the modulated parameter information passes the verification; the dual-channel consistency check comprises the step of determining that the adjusted parameter information passes through the check under the condition that the parameter value received by the electronic controller is consistent with the parameter value received by the rack upper computer, wherein the electronic controller and the rack upper computer interact through a cross channel data link CCDL.
In some embodiments, updating the current effective value of the corresponding parameter with the adjusted parameter information comprises: extracting a parameter identifier and a corresponding parameter value from the modulated parameter information; and updating the current effective value of the parameter associated with the parameter identification to the corresponding parameter value.
In some embodiments, the parameter adjustment feedback information includes at least one of a parameter validation time, a parameter verification result, or a parameter current validation value.
In some embodiments, if the on-line parameter adjustment reset switch and the on-line parameter adjustment enable switch are both in an off state and the electronic controller is currently in an on-line parameter adjustment mode, the current mode of the electronic controller is switched to a non-on-line parameter adjustment mode, and the current effective values of all parameters are kept unchanged.
In some embodiments, if the on-line parameter adjustment reset switch is currently in an on state, the on-line parameter adjustment enable switch is currently in an off state, and the electronic controller is currently in an on-line parameter adjustment mode, the current mode of the electronic controller is switched to a non-on-line parameter adjustment mode, and the current effective values of all parameters are set to corresponding preset values.
In some embodiments, if the engine enters other states than the slow vehicle state and the above-slow vehicle state from the slow vehicle state or the above-slow vehicle state under the condition that the electronic controller is currently in the online parameter adjustment mode, the current mode of the electronic controller is switched to the non-online parameter adjustment mode, and the current effective values of all parameters are set to corresponding preset values.
According to a second aspect of embodiments of the present disclosure, there is provided an electronic controller for on-line adjustment of aircraft engine control parameters, comprising: the identification module is configured to identify the current states of the on-line parameter adjusting reset switch and the on-line parameter adjusting enabling switch according to the on-line parameter adjusting reset switch state information and the on-line parameter adjusting enabling switch state information included in the switch state information after the switch state information of the upper computer of the bench is acquired; the mode switching module is configured to switch the current mode of the electronic controller into an on-line parameter adjusting mode and feed back mode switching feedback information to the rack upper computer if the on-line parameter adjusting reset switch is in an off state, the on-line parameter adjusting enabling switch is in an on state and the engine is in a preset state; and the parameter updating module is configured to update the current effective value of the corresponding parameter by utilizing the modulated parameter information after receiving the modulated parameter information sent by the rack upper computer. And feeding back the parameter adjustment feedback information to the rack upper computer so that the rack upper computer presents the parameter adjustment feedback information.
In some embodiments, the preset state includes: the engine is in a slow vehicle state or a state above the slow vehicle, and the acceleration and deceleration state of the engine is in a steady state.
In some embodiments, the parameter updating module is further configured to verify the adjusted parameter information after receiving the adjusted parameter information sent by the upper computer of the rack, if the adjusted parameter information passes the verification, update the current effective value of the corresponding parameter by using the adjusted parameter information, and if the adjusted parameter information fails the verification, feed back verification failure information to the upper computer of the rack, so that the upper computer of the rack regenerates and sends the adjusted parameter information according to user operation.
In some embodiments, the parameter updating module is configured to perform at least one of a parameter identification check, a parameter range check, or a two-channel consistency check when checking the tuned parameter information; the parameter identification verification comprises extracting a parameter identification from the modulated parameter information, and if the parameter identification is in a preset identification range, determining that the modulated parameter information passes the verification; the parameter range verification comprises extracting parameter values from the modulated parameter information, and if the parameter values are within a preset value range, determining that the modulated parameter information passes the verification; the dual-channel consistency check comprises the step of determining that the adjusted parameter information passes through the check under the condition that the parameter value received by the electronic controller is consistent with the parameter value received by the rack upper computer, wherein the electronic controller and the rack upper computer interact through a cross channel data link CCDL.
In some embodiments, the parameter updating module is configured to extract a parameter identifier and a corresponding parameter value from the tuned parameter information, and update a current effective value of a parameter associated with the parameter identifier to the corresponding parameter value.
In some embodiments, the parameter adjustment feedback information includes at least one of a parameter validation time, a parameter verification result, or a parameter current validation value.
In some embodiments, the mode switching module is further configured to switch the current mode of the electronic controller to the off-line parameter adjustment mode and keep the current effective values of all parameters unchanged if the on-line parameter adjustment reset switch and the on-line parameter adjustment enable switch are both in an off state and the electronic controller is currently in the on-line parameter adjustment mode.
In some embodiments, the mode switching module is further configured to switch the current mode of the electronic controller to the non-online parameter tuning mode and set the current effective values of all parameters to corresponding preset values if the online parameter tuning reset switch is currently in an on state, the online parameter tuning enable switch is currently in an off state, and the electronic controller is currently in the online parameter tuning mode.
In some embodiments, the mode switching module is further configured to switch the current mode of the electronic controller to the off-line parameter adjustment mode and set the current effective values of all parameters to corresponding preset values if the engine enters other states than the slow vehicle state and the above-slow vehicle state from the slow vehicle state or the above-slow vehicle state under the condition that the electronic controller is currently in the on-line parameter adjustment mode.
According to a third aspect of embodiments of the present disclosure, there is provided an electronic controller for on-line adjustment of aircraft engine control parameters, comprising: a memory configured to store instructions; a processor coupled to the memory, the processor configured to perform a method according to any of the embodiments described above based on instructions stored in the memory.
According to a fourth aspect of embodiments of the present disclosure, there is provided a control system for on-line adjustment of aircraft engine control parameters, comprising: an electronic controller as in any above embodiment; the rack upper computer is configured to adjust the states of the on-line parameter adjusting reset switch and the on-line parameter adjusting enabling switch according to user operation; under the condition that the electronic controller is determined to be in an online parameter adjustment mode currently according to the mode switching feedback information fed back by the electronic controller, generating adjusted parameter information according to user operation, sending the adjusted parameter information to the electronic controller, and presenting parameter adjustment feedback information fed back by the electronic controller.
In some embodiments, the system further comprises a ground inspection host computer configured to receive and present current mode information and parameter modification information provided by the electronic controller.
According to a fifth aspect of embodiments of the present disclosure, there is provided a computer readable storage medium, wherein the computer readable storage medium stores computer instructions which, when executed by a processor, implement a method as referred to in any of the embodiments above.
Other features of the present disclosure and its advantages will become apparent from the following detailed description of exemplary embodiments of the disclosure, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description, serve to explain the principles of the disclosure.
The disclosure may be more clearly understood from the following detailed description taken in conjunction with the accompanying drawings in which:
FIG. 1 is a flow diagram of a method for online adjustment of aircraft engine control parameters according to one embodiment of the present disclosure;
FIG. 2 is a schematic structural view of an electronic controller for on-line adjustment of aircraft engine control parameters according to one embodiment of the present disclosure;
FIG. 3 is a schematic structural view of an electronic controller for on-line adjustment of aircraft engine control parameters according to another embodiment of the present disclosure;
FIG. 4 is a schematic structural view of a control system for on-line adjustment of aircraft engine control parameters according to one embodiment of the present disclosure;
FIG. 5 is a schematic diagram of a gantry upper computer parameter interface according to one embodiment of the present disclosure;
FIG. 6 is a flow diagram of online adjustment of aircraft engine control parameters according to one embodiment of the present disclosure.
It should be understood that the dimensions of the various elements shown in the figures are not drawn to actual scale. Further, the same or similar reference numerals denote the same or similar members.
Detailed Description
Various exemplary embodiments of the present disclosure will now be described in detail with reference to the accompanying drawings. The description of the exemplary embodiments is merely illustrative, and is in no way intended to limit the disclosure, its application, or uses. The present disclosure may be embodied in many different forms and is not limited to the embodiments described herein. These embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that: the relative arrangement of parts and steps, the composition of materials, and the numerical values set forth in these examples should be construed as merely illustrative, and not limiting unless specifically stated otherwise.
The use of the terms "comprising" or "including" and the like in this disclosure means that elements preceding the term encompass the elements recited after the term, and does not exclude the possibility of also encompassing other elements.
All terms (including technical or scientific terms) used in this disclosure have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs, unless specifically defined otherwise. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate.
FIG. 1 is a flow diagram of a method for online adjustment of aircraft engine control parameters according to one embodiment of the present disclosure. In some embodiments, the following method steps for online adjustment of aircraft engine control parameters are performed by an electronic controller.
In step 101, the switch state information of the upper computer of the rack is collected. The switch state information comprises on-line parameter adjusting and resetting switch state information and on-line parameter adjusting and enabling switch state information.
In some embodiments, the acquired signals are processed by anti-shake or voting.
For example, during the debounce process, the acquired state is determined only when all five consecutive sampling periods are consistent for the acquired state.
For example, in the voting process, since the Built-In Test (BIT) of the switching value is a power-on self Test, and only one Test is performed when the power is on, the BIT fault state of the channel circuit is used as a first detection value, and the fault state of the CCDL (Cross Channel Data Link ) of the two-channel communication is used as a second detection value. If both detection are fault, outputting default value. If CCDL fails, the BIT of the channel is valid, and the switching value of the channel is determined. If CCDL is valid, whether the BIT of the channel fails or not, the BIT state of the opposite channel needs to be obtained for judgment. If CCDL and BIT are normal, the operation can be executed only if the signal states of the two channels are voted, namely, all the signal states are valid, otherwise, the operation is not executed.
In step 102, the current state of the on-line parameter tuning reset switch and the current state of the on-line parameter tuning enable switch are identified according to the switch state information.
In some embodiments, the current state of the on-line parameter tuning reset switch and the current state of the on-line parameter tuning enable switch are identified based on the on-line parameter tuning reset switch state information and the on-line parameter tuning enable switch state information.
In step 103, if the on-line parameter adjusting reset switch is currently in an off state, the on-line parameter adjusting enable switch is currently in an on state, and the engine is currently in a preset state, the current mode of the electronic controller is switched to the on-line parameter adjusting mode, and the mode switching feedback information is fed back to the rack upper computer.
In some embodiments, the preset state comprises: the engine is in a slow vehicle state or a state above the slow vehicle, and the acceleration and deceleration state of the engine is in a steady state.
For example, when the engine enters an on-line parametric mode, the on-line parametric mode flag is set to 1.
In some embodiments, if the on-line parameter adjustment reset switch and the on-line parameter adjustment enable switch are both in an off state, and the electronic controller is in an on-line parameter adjustment mode, the current mode of the electronic controller is switched to a non-on-line parameter adjustment mode, the on-line parameter adjustment mode flag is set to 0, and the current effective values of all parameters are kept unchanged.
In some embodiments, if the on-line parameter adjustment reset switch is currently in an on state, the on-line parameter adjustment enable switch is currently in an off state, and the electronic controller is currently in an on-line parameter adjustment mode, the current mode of the electronic controller is switched to a non-on-line parameter adjustment mode, an on-line parameter adjustment mode flag is set to 0, and current effective values of all parameters are set to corresponding preset values. For example, the preset value is a parameter value before the engine is started.
In some embodiments, if the engine enters other states than the slow vehicle state and the above-slow vehicle state from the slow vehicle state or above-slow vehicle state under the condition that the electronic controller is currently in the on-line parameter adjustment mode, the current mode of the electronic controller is switched to the off-line parameter adjustment mode, the on-line parameter adjustment mode flag is set to 0, and the current effective values of all parameters are set to corresponding preset values. For example, the preset value is a parameter value before the engine is started.
In some embodiments, the electronic controller interacts with the gantry upper computer via ARINC429 or ARINC664 communication protocols.
In step 104, after receiving the tuned parameter information sent by the upper computer of the rack, the current effective value of the corresponding parameter is updated by using the tuned parameter information.
In some embodiments, after receiving the tuned parameter information sent by the upper computer of the rack, the tuned parameter information is checked. If the tuned parameter information passes the verification, the current effective value of the corresponding parameter is updated by using the tuned parameter information. If the adjusted parameter information does not pass the verification, the verification failure information is fed back to the rack upper computer, so that the rack upper computer regenerates and transmits the adjusted parameter information according to the user operation.
In some embodiments, verifying the tuned parameter information includes at least one of a parameter identification verification, a parameter range verification, or a two-channel consistency verification. The parameter identification verification comprises the steps of extracting parameter identification from the tuned parameter information, and if the parameter identification is within a preset identification range, determining that the tuned parameter information passes the verification. The parameter range verification comprises extracting parameter values from the modulated parameter information, and determining that the modulated parameter information passes the verification if the parameter values are within a predetermined value range. The dual-channel consistency check comprises the step of determining that the adjusted parameter information passes through the check under the condition that the parameter value received by the electronic controller is consistent with the parameter value received by the rack upper computer, wherein the electronic controller and the rack upper computer interact through the CCDL.
In some embodiments, the verification is performed sequentially in the order of parameter identification verification, parameter range verification, or two-pass consistency verification. If the current verification is not passed, no further verification is required.
In some embodiments, in updating the current effective value of the corresponding parameter with the tuned parameter information, the parameter identifier and the corresponding parameter value are extracted from the tuned parameter information, and the current effective value of the parameter associated with the parameter identifier is updated to the corresponding parameter value.
In some embodiments, to avoid the loss of the electronic controller failing to properly receive the tuned parameter information, the gantry upper computer continues to transmit the currently generated tuned parameter information until the next tuned parameter information location is to be transmitted.
In step 105, the parameter adjustment feedback information is fed back to the gantry upper computer so that the gantry upper computer presents the parameter adjustment feedback information.
In some embodiments, the parameter adjustment feedback information includes at least one of a parameter validation time, a parameter verification result, or a parameter current validation value. The user can know whether the parameter adjustment is successful or not through the parameter adjustment feedback information presented by the upper computer of the rack.
In the method for online adjustment of the control parameters of the aero-engine provided by the embodiment of the disclosure, the online parameter adjustment is performed on the engine, so that the test time can be effectively saved, and the test period can be shortened.
FIG. 2 is a schematic structural diagram of an electronic controller for on-line adjustment of aircraft engine control parameters according to one embodiment of the present disclosure. As shown in fig. 2, the electronic controller includes an identification module 21, a mode switching module 22, and a parameter updating module 23.
The identifying module 21 is configured to identify the current states of the on-line parameter adjusting reset switch and the on-line parameter adjusting enable switch according to the on-line parameter adjusting reset switch state information and the on-line parameter adjusting enable switch state information included in the switch state information after the switch state information of the upper computer of the rack is acquired.
In some embodiments, the identification module 21 performs anti-shake or voting processing on the acquired signals.
The mode switching module 22 is configured to switch the current mode of the electronic controller to the on-line parameter adjusting mode and feed back the mode switching feedback information to the gantry upper computer if the on-line parameter adjusting reset switch is currently in an off state, the on-line parameter adjusting enable switch is currently in an on state, and the engine is currently in a preset state.
In some embodiments, the preset state comprises: the engine is in a slow vehicle state or a state above the slow vehicle, and the acceleration and deceleration state of the engine is in a steady state.
In some embodiments, the mode switching module 22 is further configured to switch the current mode of the electronic controller to the non-online parameter tuning mode and keep the current effective values of all parameters unchanged if the online parameter tuning reset switch and the online parameter tuning enable switch are both in an off state and the electronic controller is currently in the online parameter tuning mode.
In some embodiments, the mode switching module 22 is further configured to switch the current mode of the electronic controller to the off-line parameter adjustment mode and set the current effective values of all the parameters to the corresponding preset values if the on-line parameter adjustment reset switch is currently in the on-state, the on-line parameter adjustment enable switch is currently in the off-state, and the electronic controller is currently in the on-line parameter adjustment mode.
In some embodiments, the mode switching module 22 is further configured to switch the current mode of the electronic controller to the off-line parameter tuning mode and set the current effective values of all parameters to corresponding preset values if the engine enters other states than the slow state and the above-slow state from the slow state or the above-slow state with the electronic controller currently in the on-line parameter tuning mode.
The parameter updating module 23 is configured to update the current effective value of the corresponding parameter by using the tuned parameter information after receiving the tuned parameter information sent by the gantry upper computer. And feeding back the parameter adjustment feedback information to the rack upper computer so that the rack upper computer presents the parameter adjustment feedback information.
In some embodiments, the parameter updating module 23 is further configured to verify the adjusted parameter information after receiving the adjusted parameter information sent by the upper computer of the rack, if the adjusted parameter information passes the verification, update the current effective value of the corresponding parameter by using the adjusted parameter information, and if the adjusted parameter information does not pass the verification, feed back verification failure information to the upper computer of the rack, so that the upper computer of the rack regenerates and sends the adjusted parameter information according to the user operation.
In some embodiments, verifying the tuned parameter information includes at least one of a parameter identification verification, a parameter range verification, or a two-channel consistency verification. The parameter identification verification comprises the steps of extracting parameter identification from the tuned parameter information, and if the parameter identification is within a preset identification range, determining that the tuned parameter information passes the verification. The parameter range verification comprises extracting parameter values from the modulated parameter information, and determining that the modulated parameter information passes the verification if the parameter values are within a predetermined value range. The dual-channel consistency check comprises the step of determining that the adjusted parameter information passes through the check under the condition that the parameter value received by the electronic controller is consistent with the parameter value received by the rack upper computer, wherein the electronic controller and the rack upper computer interact through the CCDL.
In some embodiments, the verification is performed sequentially in the order of parameter identification verification, parameter range verification, or two-pass consistency verification. If the current verification is not passed, no further verification is required.
In some embodiments, the parameter updating module 23 is configured to extract the parameter identifier and the corresponding parameter value from the tuned parameter information, and update the currently effective value of the parameter associated with the parameter identifier to the corresponding parameter value.
In some embodiments, the parameter adjustment feedback information includes at least one of a parameter validation time, a parameter verification result, or a parameter current validation value. The user can know whether the parameter adjustment is successful or not through the parameter adjustment feedback information presented by the upper computer of the rack.
FIG. 3 is a schematic structural view of an electronic controller for on-line adjustment of aircraft engine control parameters according to another embodiment of the present disclosure. As shown in fig. 3, the electronic controller includes a memory 31 and a processor 32.
The memory 31 is used for storing instructions. The processor 32 is coupled to the memory 31. The processor 32 is configured to perform a method as referred to in any of the embodiments of fig. 1 based on the instructions stored by the memory.
As shown in fig. 3, the electronic controller further comprises a communication interface 33 for information interaction with other devices. Meanwhile, the electronic controller further comprises a bus 34, and the processor 32, the communication interface 33 and the memory 31 communicate with each other through the bus 34.
The Memory 31 may include a high-speed RAM (Random Access Memory ) and may further include a Non-Volatile Memory (NVM). Such as at least one disk storage. The memory 31 may also be a memory array. The memory 31 may also be partitioned and the blocks may be combined into virtual volumes according to certain rules.
Further, the processor 32 may be a central processing unit, or may be an ASIC (Application Specific Integrated Circuit ), or one or more integrated circuits configured to implement embodiments of the present disclosure.
The present disclosure also provides a computer-readable storage medium. The computer readable storage medium stores computer instructions that, when executed by a processor, implement a method as referred to in any of the embodiments of fig. 1.
FIG. 4 is a schematic structural diagram of a control system for on-line adjustment of aircraft engine control parameters according to one embodiment of the present disclosure. As shown in fig. 4, the control system includes an electronic controller 41 and a gantry upper computer 42. The electronic controller 41 is an electronic controller according to any one of the embodiments shown in fig. 2 or 3.
The gantry upper computer 42 is configured to adjust the states of the online parameter-adjusting reset switch and the online parameter-adjusting enable switch according to a user operation. When determining that the electronic controller 41 is currently in the on-line parameter adjustment mode according to the mode switching feedback information fed back by the electronic controller 41, the gantry upper computer 42 generates adjusted parameter information according to user operation and sends the adjusted parameter information to the electronic controller 41, and presents parameter adjustment feedback information fed back by the electronic controller 41.
In some embodiments, as shown in fig. 4, the control system further includes a ground inspection host computer 43. The ground check upper computer 43 is configured to receive and present current mode information and parameter modification information provided by the electronic controller 41. So that the user can timely know the current working mode of the electronic controller 41 and the corresponding parameter modification information by checking the upper computer 43.
FIG. 5 is a schematic diagram of a gantry upper computer parameter interface, according to one embodiment of the present disclosure. As shown in fig. 5, the interface includes a first portion and a second portion. The first part is used for switching operation of an online parameter adjusting mode, and a user controls the online parameter adjusting enabling switch module and the online parameter adjusting reset switch module to realize operation of the online parameter adjusting enabling switch and the online parameter adjusting reset switch. The on-line parameter-adjusting mode marking module is used for displaying the current mode state of the electronic controller.
The second portion is used for an adjustable parameter adjustment operation. The user selects one parameter from the parameters 1, 2, … and n, and inputs the parameter value of the parameter in the corresponding parameter value input text box. Clicking the parameter send button completes the input and sending of the parameters. In addition, the second portion displays the a-channel feedback value, the B-channel feedback value, and the verification result for each parameter. The user can confirm the parameter change result through the three data.
FIG. 6 is a flow diagram of online adjustment of aircraft engine control parameters according to one embodiment of the present disclosure.
In step 601, a user operates an on-line parameter adjustment reset switch and an on-line parameter adjustment enable switch provided on a gantry upper computer.
For example, if the on-line parameter tuning function is to be started, the user keeps the on-line parameter tuning reset switch in an off state, changes the on-line parameter tuning enable switch from the off state to the on state, and triggers the on-line parameter tuning reset switch through a rising edge.
If the online parameter adjustment is to be carried out, the user keeps the online parameter adjustment reset switch in an off state, and the online parameter adjustment enabling switch is changed from an on state to an off state.
If the user needs to exit the online parameter adjustment state and reset all parameters, the user changes the online parameter adjustment reset switch from the off state to the on state, and restores the online parameter adjustment enable switch to the off state.
In step 602, the electronic controller collects switch state information of the gantry upper computer.
In some embodiments, the electronic controller performs debouncing or voting on the acquired signals.
In step 603, the electronic controller identifies the current state of the on-line parameter tuning reset switch and the current state of the on-line parameter tuning enable switch according to the on-line parameter tuning reset switch state information and the on-line parameter tuning enable switch state information.
If the on-line parameter adjusting reset switch is in an off state at present, the on-line parameter adjusting enabling switch is in an on state at present, the engine is in a slow car state or a state above the slow car, the acceleration and deceleration state of the engine is in a steady state, the current mode of the electronic controller is switched to an on-line parameter adjusting mode, and the on-line parameter adjusting mode flag is set to 1.
If the on-line parameter adjusting reset switch and the on-line parameter adjusting enabling switch are in the off state at present and the electronic controller is in the on-line parameter adjusting mode at present, the current mode of the electronic controller is switched to the off-line parameter adjusting mode, the on-line parameter adjusting mode flag is set to 0, and the current effective values of all parameters are kept unchanged.
If the on-line parameter adjusting reset switch is in an on state currently, the on-line parameter adjusting enabling switch is in an off state currently, and the electronic controller is in an on-line parameter adjusting mode currently, the current mode of the electronic controller is switched to a non-on-line parameter adjusting mode, an on-line parameter adjusting mode flag is set to 0, and the current effective values of all parameters are set to parameter values before starting the engine.
Under the condition that the electronic controller is currently in an online parameter adjustment mode, if the engine enters other states except the slow vehicle state and the slow vehicle state from the slow vehicle state or the slow vehicle state, the current mode of the electronic controller is switched to a non-online parameter adjustment mode, an online parameter adjustment mode mark is set to 0, and the current effective values of all parameters are set to parameter values before the engine is started.
In step 604, the electronic controller feeds back the mode switching feedback information to the gantry host computer.
In step 605, the gantry upper computer determines whether the electronic controller enters an online parameter adjustment mode according to the mode switching feedback information. If the electronic controller does not enter the online parameter tuning mode, the step 601 is returned, otherwise, the step 606 is executed.
In step 606, the gantry upper computer generates tuned parameter information according to the user operation. The modulated parameter information comprises a parameter identifier and a corresponding parameter value.
In step 607, the gantry host computer sends the adjusted parameter information to the electronic controller.
In step 608, the electronic controller verifies the tuned parameter information. For example, the verification of the tuned parameter information includes at least one of a parameter identification verification, a parameter range verification, or a two-channel consistency verification.
If the tuned parameter information passes the verification, step 609 is executed; if the tuned parameter information fails the verification, step 610 is performed.
In step 609, the electronic controller updates the current effective value of the corresponding parameter with the tuned parameter information.
In step 610, the electronic controller feeds back parameter adjustment feedback information to the gantry host computer.
If the electronic controller utilizes the adjusted parameter information to update the current effective value of the corresponding parameter, the parameter adjustment feedback information indicates that the parameter adjustment is successful; if the adjusted parameter information fails to pass the verification, the parameter adjustment feedback information indicates that the parameter adjustment fails.
In step 611, the upper computer of the rack determines whether the parameter adjustment is successful according to the received parameter adjustment feedback information. If the parameter adjustment is unsuccessful, return to step 506. If the parameter adjustment is successful, the parameter adjustment process is finished.
In some embodiments, the functional modules described above may be implemented as general-purpose processors, programmable logic controllers (Programmable Logic Controller, abbreviated as PLCs), digital signal processors (Digital Signal Processor, abbreviated as DSPs), application specific integrated circuits (Application Specific Integrated Circuit, abbreviated as ASICs), field programmable gate arrays (Field-Programmable Gate Array, abbreviated as FPGAs) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, or any suitable combination thereof for performing the functions described herein.
Thus, embodiments of the present disclosure have been described in detail. In order to avoid obscuring the concepts of the present disclosure, some details known in the art are not described. How to implement the solutions disclosed herein will be fully apparent to those skilled in the art from the above description.
Although some specific embodiments of the present disclosure have been described in detail by way of example, it should be understood by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the present disclosure. It will be understood by those skilled in the art that the foregoing embodiments may be modified and equivalents substituted for elements thereof without departing from the scope and spirit of the disclosure. The scope of the present disclosure is defined by the appended claims.
Claims (22)
1. A method for online adjustment of aircraft engine control parameters, performed by an electronic controller, comprising:
after the switch state information of the upper computer of the bench is acquired, the current states of the on-line parameter adjusting reset switch and the on-line parameter adjusting enabling switch are identified according to the on-line parameter adjusting reset switch state information and the on-line parameter adjusting enabling switch state information included in the switch state information;
if the on-line parameter adjusting reset switch is in an off state, the on-line parameter adjusting enabling switch is in an on state, and the engine is in a preset state, switching the current mode of the electronic controller into an on-line parameter adjusting mode, and feeding back mode switching feedback information to the rack upper computer;
after receiving the modulated parameter information sent by the rack upper computer, updating the current effective value of the corresponding parameter by using the modulated parameter information;
and feeding back the parameter adjustment feedback information to the rack upper computer so that the rack upper computer presents the parameter adjustment feedback information.
2. The method of claim 1, wherein,
the preset state includes: the engine is in a slow vehicle state or a state above the slow vehicle, and the acceleration and deceleration state of the engine is in a steady state.
3. The method of claim 1, further comprising:
after receiving the modulated parameter information sent by the rack upper computer, verifying the modulated parameter information;
if the adjusted parameter information passes the verification, updating the current effective value of the corresponding parameter by using the adjusted parameter information;
if the adjusted parameter information does not pass the verification, the verification failure information is fed back to the rack upper computer, so that the rack upper computer regenerates and transmits the adjusted parameter information according to the user operation.
4. A method according to claim 3, wherein verifying the tuned parameter information comprises at least one of a parameter identification verification, a parameter range verification, or a two-channel consistency verification;
the parameter identification verification comprises extracting a parameter identification from the modulated parameter information, and if the parameter identification is in a preset identification range, determining that the modulated parameter information passes the verification;
the parameter range verification comprises extracting parameter values from the modulated parameter information, and if the parameter values are within a preset value range, determining that the modulated parameter information passes the verification;
the dual-channel consistency check comprises the step of determining that the adjusted parameter information passes through the check under the condition that the parameter value received by the electronic controller is consistent with the parameter value received by the rack upper computer, wherein the electronic controller and the rack upper computer interact through a cross channel data link CCDL.
5. A method according to claim 3, wherein updating the current effective value of the corresponding parameter with the tuned parameter information comprises:
extracting a parameter identifier and a corresponding parameter value from the modulated parameter information;
and updating the current effective value of the parameter associated with the parameter identification to the corresponding parameter value.
6. The method of claim 5, wherein,
the parameter adjustment feedback information comprises at least one of a parameter effective time, a parameter verification result or a parameter current effective value.
7. The method of any of claims 1-6, further comprising:
and if the on-line parameter adjusting reset switch and the on-line parameter adjusting enabling switch are in an off state at present and the electronic controller is in an on-line parameter adjusting mode at present, switching the current mode of the electronic controller into a non-on-line parameter adjusting mode, and keeping the current effective values of all parameters unchanged.
8. The method of claim 7, further comprising:
if the on-line parameter adjusting reset switch is in a current on state, the on-line parameter adjusting enable switch is in a current off state, and the electronic controller is in an on-line parameter adjusting mode, the current mode of the electronic controller is switched to an off-line parameter adjusting mode, and the current effective values of all parameters are set to corresponding preset values.
9. The method of claim 8, further comprising:
and under the condition that the electronic controller is in the online parameter adjustment mode currently, if the engine enters other states except the slow vehicle state and the slow vehicle state from the slow vehicle state or the slow vehicle state, switching the current mode of the electronic controller into the non-online parameter adjustment mode, and setting the current effective values of all parameters to corresponding preset values.
10. An electronic controller for on-line adjustment of aircraft engine control parameters, comprising:
the identification module is configured to identify the current states of the on-line parameter adjusting reset switch and the on-line parameter adjusting enabling switch according to the on-line parameter adjusting reset switch state information and the on-line parameter adjusting enabling switch state information included in the switch state information after the switch state information of the upper computer of the bench is acquired;
the mode switching module is configured to switch the current mode of the electronic controller into an on-line parameter adjusting mode and feed back mode switching feedback information to the rack upper computer if the on-line parameter adjusting reset switch is in an off state, the on-line parameter adjusting enabling switch is in an on state and the engine is in a preset state;
and the parameter updating module is configured to update the current effective value of the corresponding parameter by utilizing the adjusted parameter information after receiving the adjusted parameter information sent by the rack upper computer, and feed back the parameter adjustment feedback information to the rack upper computer so that the rack upper computer presents the parameter adjustment feedback information.
11. The electronic controller of claim 10, wherein,
the preset state includes: the engine is in a slow vehicle state or a state above the slow vehicle, and the acceleration and deceleration state of the engine is in a steady state.
12. The electronic controller of claim 10, wherein,
the parameter updating module is further configured to check the adjusted parameter information after receiving the adjusted parameter information sent by the rack upper computer, if the adjusted parameter information passes the check, the current effective value of the corresponding parameter is updated by using the adjusted parameter information, and if the adjusted parameter information does not pass the check, check failure information is fed back to the rack upper computer, so that the rack upper computer regenerates and sends the adjusted parameter information according to user operation.
13. The electronic controller of claim 12, wherein parameter updating module is configured to perform at least one of a parameter identification check, a parameter range check, or a two-channel consistency check when checking the tuned parameter information;
the parameter identification verification comprises extracting a parameter identification from the modulated parameter information, and if the parameter identification is in a preset identification range, determining that the modulated parameter information passes the verification;
the parameter range verification comprises extracting parameter values from the modulated parameter information, and if the parameter values are within a preset value range, determining that the modulated parameter information passes the verification;
the dual-channel consistency check comprises the step of determining that the adjusted parameter information passes through the check under the condition that the parameter value received by the electronic controller is consistent with the parameter value received by the rack upper computer, wherein the electronic controller and the rack upper computer interact through a cross channel data link CCDL.
14. The electronic controller of claim 12, wherein,
the parameter updating module is configured to extract a parameter identifier and a corresponding parameter value from the tuned parameter information, and update a current effective value of a parameter associated with the parameter identifier to the corresponding parameter value.
15. The electronic controller of claim 14, wherein,
the parameter adjustment feedback information comprises at least one of a parameter effective time, a parameter verification result or a parameter current effective value.
16. The electronic controller according to any one of claims 10-15, wherein,
the mode switching module is further configured to switch the current mode of the electronic controller to a non-online parameter adjustment mode and keep the current effective values of all parameters unchanged if the online parameter adjustment reset switch and the online parameter adjustment enabling switch are both in an off state and the electronic controller is in an online parameter adjustment mode.
17. The electronic controller of claim 16, wherein,
the mode switching module is further configured to switch the current mode of the electronic controller to a non-online parameter adjustment mode and set the current effective values of all parameters to corresponding preset values if the online parameter adjustment reset switch is in an on state, the online parameter adjustment enable switch is in an off state, and the electronic controller is in an online parameter adjustment mode.
18. The electronic controller of claim 17, wherein,
the mode switching module is further configured to switch the current mode of the electronic controller to a non-online parameter adjustment mode and set the current effective values of all parameters to corresponding preset values if the engine enters other states except the slow vehicle state and the slow vehicle state from the slow vehicle state or the slow vehicle state above under the condition that the electronic controller is in the online parameter adjustment mode.
19. An electronic controller for on-line adjustment of aircraft engine control parameters, comprising:
a memory configured to store instructions;
a processor coupled to the memory, the processor configured to perform the method of any of claims 1-9 based on instructions stored by the memory.
20. A control system for on-line adjustment of aircraft engine control parameters, comprising:
the electronic controller of any one of claims 10-19;
the rack upper computer is configured to adjust the states of the on-line parameter adjusting reset switch and the on-line parameter adjusting enabling switch according to user operation; under the condition that the electronic controller is determined to be in an online parameter adjustment mode currently according to the mode switching feedback information fed back by the electronic controller, generating adjusted parameter information according to user operation, sending the adjusted parameter information to the electronic controller, and presenting parameter adjustment feedback information fed back by the electronic controller.
21. The system of claim 20, further comprising:
and the ground inspection upper computer is configured to receive and present the current mode information and the parameter change information provided by the electronic controller.
22. A computer readable storage medium storing computer instructions which, when executed by a processor, implement the method of any one of claims 1-9.
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