CN115542863A - Method and device for setting upper limit and lower limit of range dead zone of temperature signal and DCS (distributed control system) - Google Patents
Method and device for setting upper limit and lower limit of range dead zone of temperature signal and DCS (distributed control system) Download PDFInfo
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Abstract
The invention discloses a method and a device for setting the upper limit and the lower limit of a range dead zone of a temperature signal and a DCS (distributed control system), wherein a second execution logic is added behind the existing first execution logic, the second execution logic comprises a plurality of second sub-execution logics, each second sub-execution logic corresponds to a second sub-range obtained by dividing the range dead zone based on an initial range and a preset range, and the setting of the upper limit and the lower limit dead zone of the range of the temperature signal is implemented in a mode of constructing and packaging the configuration of the second execution logic. The cost of secondary investment on platform research and development is reduced, and the expenditure of manpower and material resources is greatly reduced, so that the working difficulty of logic designers is reduced, and the application scene is expanded.
Description
Technical Field
The invention relates to the technical field of industrial control, in particular to a method and a device for setting an upper limit and a lower limit of a measuring range dead zone of a temperature signal and a DCS (distributed control system).
Background
At present, a Distributed Control System (DCS) is widely adopted in a nuclear power plant, for analog quantity input signals, a DCS platform limits the input signals within a certain range through hardware or software measures, and the analog quantity input signals can be provided with upper and lower limit range dead zones X. The DCS platform can realize the function of a measuring range upper and lower limit dead zone X by setting a 'small signal cutting parameter (R0) during current/linear conversion' for common current and voltage signals. However, for the temperature signal, since the signal is a low-level mV signal and the signal itself is a small signal, the R0 parameter related to the DCS platform is not suitable for the configuration of the temperature signal, the upper and lower limits of the range dead zone cannot be set for the temperature signal, and if the platform modifies the internal logic of the platform again, the platform consumes a large amount of labor and material costs, which brings inconvenience to the implementation.
Disclosure of Invention
The invention aims to overcome the defect that the upper limit and the lower limit of a range dead zone of a temperature signal cannot be set in a DCS platform in the prior art, and provides a method and a device for setting the upper limit and the lower limit of the range dead zone of the temperature signal and a DCS system.
The invention solves the technical problems through the following technical scheme:
the first aspect provides a method for setting the upper and lower limits of the range dead zone of a temperature signal, wherein the method is applied to the measurement scene of the temperature signal in a distributed control system;
the setting method comprises the following steps:
acquiring an initial temperature signal value of a measuring point;
processing the initial temperature signal value by adopting a first execution logic to obtain a first processing result;
the first execution logic comprises a plurality of first sub-execution logics, and each first sub-execution logic corresponds to a first sub-range obtained based on initial range division;
processing the first processing result by adopting a second execution logic to obtain a second processing result;
wherein the second execution logic is different from the first execution logic;
the second execution logic comprises a plurality of second sub-execution logics, and each second sub-execution logic corresponds to a second sub-range obtained based on the initial range and preset range dead zone division;
and determining a range dead zone upper limit and/or a range dead zone lower limit corresponding to the initial range based on the second processing result.
The method for setting the upper limit and the lower limit of the range dead zone of the temperature signal is applied to DCS (distributed control system), a second execution logic is added after the existing first execution logic, the second execution logic comprises a plurality of second sub-execution logics, each second sub-execution logic corresponds to a second sub-range obtained by dividing based on the initial range and the preset range dead zone, and the setting of the upper limit and the lower limit dead zone of the range of the temperature signal is implemented in a mode of constructing and packaging the configuration of the second execution logic. The cost of secondary investment on platform research and development is reduced, and the expenditure of manpower and material resources is greatly reduced, so that the working difficulty of logic designers is reduced, and the application scene is expanded.
Preferably, the first processing result comprises a first temperature signal value;
the second processing result comprises a second temperature signal value and a quality code representing the data quality of the second temperature signal value at the corresponding second sub-range.
Preferably, the step of determining the upper and/or lower dead band limits of the temperature signal based on the second processing result comprises:
setting the minimum value in the preset range dead zone of the second processing result as the lower limit value of the range dead zone, and setting the maximum value in the preset range dead zone of the second processing result as the upper limit value of the range dead zone.
Preferably, the step of processing the initial temperature signal value by using the first execution logic to obtain a first processing result includes:
when the first sub-execution logic corresponds to the first sub-range of the lower limit value of the preset dead zone of the preset range dead zone and the lower limit value of the range of the initial range, the first temperature signal value is the initial temperature signal value;
when the first sub-execution logic corresponds to the first sub-range of the lower range limit of the initial range and the upper range limit of the initial range, the first temperature signal value is the initial temperature signal value;
and superposing the first sub-range of the preset dead zone upper limit value of the preset dead zone on the range upper limit corresponding to the range upper limit and the range upper limit in the first sub-execution logic, wherein the first temperature signal value is the initial temperature signal value.
Preferably, the step of processing the first processing result by using a second execution logic to obtain a second processing result includes:
when the second sub-execution logic corresponds to the second sub-range of the preset range dead zone lower limit value and the preset range dead zone upper limit value, the second temperature signal value is the preset range lower limit value, and the quality code is a first quality characterization value;
when the second sub-execution logic corresponds to the second sub-range from the preset range dead zone upper limit value to the preset range upper limit value minus the preset range dead zone upper limit value, the second temperature signal value is consistent with the first temperature signal value, and the quality code is the first quality characteristic value;
when the second sub-execution logic corresponds to the second sub-range of the preset range upper limit value minus the preset range dead zone upper limit value and the preset range upper limit value superposed with the preset range dead zone upper limit value, the second temperature signal value is the preset range upper limit value, and the quality code is a first quality characteristic value;
and the quality of the temperature signal value corresponding to the first quality characterization value in the distributed control system is greater than a preset value.
Preferably, the second sub-execution logic further comprises:
when the second sub-execution logic superposes the second sub-range of the clamp value on the preset range dead zone upper limit value and the preset range upper limit value corresponding to the preset range upper limit value, the second temperature signal value is the first temperature signal value, and the quality code is a second quality characterization value;
when the second sub-execution logic corresponds to the second sub-range which is greater than or equal to the preset range upper limit value and is superposed with the clamp value, the second temperature signal value is the preset range upper limit value and is superposed with the clamp value, and the quality code is a third quality characterization value;
when the second sub-execution logic is corresponding to the second sub-range of the preset range upper limit value superposed with the clamp value minus the clamp dead zone value and superposed with the clamp value, the second temperature signal value is the preset range upper limit value superposed with the clamp value, and the quality code is the third quality characterization value;
when the second sub-execution logic corresponds to the second sub-range of the preset range lower limit minus the clamp value and the preset range dead zone lower limit, the second temperature signal value is the first temperature signal value, and the quality code is the second quality characterization value;
when the second sub-execution logic corresponds to the second sub-range smaller than or equal to the preset range lower limit minus the clamp value, the second temperature signal value is the preset range lower limit minus the clamp value, and the quality code is the third quality characterization value;
when the second sub-execution logic corresponds to the second sub-range in which the preset range lower limit value minus the clamp value and the preset range lower limit value minus the clamp value are superposed with the clamp dead zone value, the second temperature signal value is the preset range lower limit value minus the clamp value, and the quality code is the third quality characterization value;
wherein the first temperature signal value is the same as the second temperature signal value when the first sub-execution logic corresponds the same as the second sub-execution logic; the quality of the temperature signal value corresponding to the first quality characterization value in the distributed control system is higher than the temperature signal values corresponding to the second quality characterization value and the third quality characterization value;
the quality of the temperature signal value corresponding to the second quality characterizing value in the distributed control system is higher than that of the third quality characterizing value.
In a second aspect, there is provided a device for setting upper and lower limits of a range dead zone of a temperature signal, the device comprising:
the initial temperature signal value acquisition module is used for acquiring an initial temperature signal value of the measuring point;
the first logic execution module is used for processing the initial temperature signal value by adopting first execution logic to obtain a first processing result;
the first execution logic comprises a plurality of first sub-execution logics, and each first sub-execution logic corresponds to a first sub-range obtained based on initial range division;
the second logic execution module is used for processing the first processing result by adopting second execution logic to obtain a second processing result;
wherein the second execution logic is different from the first execution logic;
the second execution logic comprises a plurality of second sub-execution logics, and each second sub-execution logic corresponds to a second sub-range obtained based on the division of the initial range and a preset range dead zone;
and the range dead zone setting module is used for determining the upper limit and/or the lower limit of the range dead zone corresponding to the initial range based on the second processing result.
In a third aspect, a DCS system is provided, which includes the setting device for setting the upper and lower limits of the range dead zone of the temperature signal, so as to set the upper and lower limits of the range dead zone of the temperature signal.
In a fourth aspect, an electronic device is provided, which includes a memory, a processor, and a computer program stored in the memory and executable on the processor, and when the processor executes the computer program, the method for setting the upper and lower limits of the range dead zone of the temperature signal is implemented.
In a fifth aspect, there is provided a computer readable storage medium having stored thereon a computer program which, when executed by a processor, implements the above-described method of setting upper and lower limits of a range dead zone of a temperature signal.
The positive progress effects of the invention are as follows:
the method comprises the steps of adding a second execution logic after an existing first execution logic in the existing DCS platform, wherein the second execution logic comprises a plurality of second sub-execution logics, each second sub-execution logic corresponds to a second sub-range obtained by dividing an initial range and a preset range dead zone, setting the upper and lower limit dead zones of the temperature signal range by a way of constructing and packaging the second execution logic configuration, and finally limiting the required temperature signal value by a second execution logic output system by using a quality code corresponding to the temperature signal value.
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Fig. 1 is a schematic flowchart of a method for setting upper and lower limits of a range dead zone of a temperature signal according to embodiment 1 of the present invention;
fig. 2 is a schematic logic implementation diagram of a method for setting upper and lower limits of a range dead zone of a temperature signal according to embodiment 1 of the present invention;
fig. 3 is a schematic block diagram of a setting device for the upper and lower limits of the range dead zone of the temperature signal according to embodiment 2 of the present invention;
fig. 4 is a schematic structural diagram of an electronic device according to embodiment 4 of the present invention.
Detailed Description
The invention is further illustrated by the following examples, which are not intended to limit the scope of the invention.
Example 1
The embodiment provides a method for setting an upper limit and a lower limit of a range dead zone of a temperature signal, which is applied to a measurement scene of the temperature signal in a distributed control system, and as shown in fig. 1, the method includes:
101. acquiring an initial temperature signal value of a measuring point;
102. processing the initial temperature signal value by adopting a first execution logic to obtain a first processing result;
the first execution logic comprises a plurality of first sub-execution logics, and each first sub-execution logic corresponds to a first sub-range obtained based on initial range division;
103. processing the first processing result by adopting a second execution logic to obtain a second processing result;
wherein the second execution logic is different from the first execution logic;
the second execution logic comprises a plurality of second sub-execution logics, and each second sub-execution logic corresponds to a second sub-range obtained based on the initial range and preset range dead zone division;
104. and determining a range dead zone upper limit and/or a range dead zone lower limit corresponding to the initial range based on the second processing result.
In specific implementation, an initial temperature signal value of a measuring point of a control instrument is acquired through a temperature acquisition sensor, the initial temperature signal value is not processed at the moment, the initial temperature value is processed through a first execution logic, and the first execution logic is actually arranged in a card channel inherent to a DCS platform. And processing the initial temperature signal value through the first execution logic to output a first processing result, processing the first processing result through the second execution logic to obtain a second processing result, and determining the upper limit and the lower limit of the range dead zone corresponding to the initial range based on the second processing result.
In the present embodiment, the temperature signal includes, but is not limited to, an RTD/TC (thermal resistor/thermocouple) signal.
In an optional embodiment, the first processing result includes a first temperature signal value, the second processing result includes a second temperature signal value, and a quality code representing data quality of the second temperature signal value at the corresponding second sub-range.
In a specific implementation, when the temperature signal value corresponds to a different second sub-range, the corresponding quality code is different.
In an optional embodiment, the step of determining the upper dead band limit and/or the lower dead band limit of the temperature signal based on the second processing result includes:
and setting the minimum value in the preset range dead zone of the second processing result as the lower limit value of the range dead zone, and setting the maximum value in the preset range dead zone of the second processing result as the upper limit value of the range dead zone.
In an optional implementation manner, the step of processing the initial temperature signal value by using the first execution logic to obtain a first processing result includes:
when the first sub-execution logic corresponds to the first sub-range of the lower limit value of the preset dead zone of the preset range dead zone and the lower limit value of the range of the initial range, the first temperature signal value is the initial temperature signal value;
when the first sub-execution logic corresponds to the first sub-range of the lower range limit of the initial range and the upper range limit of the initial range, the first temperature signal value is the initial temperature signal value;
and superposing the first sub-range of the upper limit value of the preset dead zone on the upper limit value of the range in the first sub-execution logic corresponding to the upper limit of the range, wherein the first temperature signal value is the initial temperature signal value.
In the specific implementation, the preset initial range is 0-100, the preset dead zone value is one percent of the preset range, namely the dead zone value is 1, the preset dead zone lower limit value of the preset range dead zone is-1, the preset dead zone upper limit value of the preset range dead zone is 1, the range lower limit value of the initial range is 0, and the range upper limit value of the initial range is 100. And outputting a corresponding first temperature signal value based on the first sub-range in which the initial temperature signal value is positioned, wherein the first sub-execution logic corresponds to a plurality of first sub-ranges.
When the initial temperature signal value is in a first sub-range of-1 and 0, the first temperature signal value is the same as the initial temperature signal value;
when the initial temperature signal value is in a first sub-range of 0-100, the first temperature signal value is the same as the initial temperature signal value;
when the initial temperature signal value is at a first sub-range of 100-101, the first temperature signal value is the same as the initial temperature signal value.
In specific implementation, based on a first temperature signal value obtained after being processed by the first processing logic, the processing is performed by the second processing logic, and the steps include:
when the second sub-execution logic corresponds to the second sub-range of the preset range dead zone lower limit value and the preset range dead zone upper limit value, the second temperature signal value is the preset range lower limit value, and the quality code is a first quality characterization value;
when the second sub-execution logic corresponds to the second sub-range from the preset range dead zone upper limit value to the preset range upper limit value minus the preset range dead zone upper limit value, the second temperature signal value is consistent with the first temperature signal value, and the quality code is the first quality characteristic value;
and when the second sub-execution logic corresponds to the second sub-range of the preset range upper limit value minus the preset range dead zone upper limit value and the preset range upper limit value superposed with the preset range dead zone upper limit value, the second temperature signal value is the preset range upper limit value, and the quality code is a first quality characteristic value.
In specific implementation, when the first temperature signal value is in the second sub-ranges of-1 and 1, the second temperature signal value is 0, the quality code is the first quality characterization value, and in the specific implementation process, the quality code is a GOOD;
when the first temperature signal value is in the second sub-measuring range of 1 and 99, the second temperature signal value is consistent with the first temperature signal value, and the quality code is GOOD;
when the first temperature signal value is at the second sub-ranges of 99 and 101, the second temperature signal value is 100 and the quality code is GOOD.
In particular implementations, values at the boundaries of the various sub-ranges are not required.
In an optional implementation manner, the second sub-execution logic further includes:
when the second sub-execution logic superposes the second sub-range of the clamp value on the preset range dead zone upper limit value and the preset range upper limit value corresponding to the preset range upper limit value, the second temperature signal value is the first temperature signal value, and the quality code is a second quality characterization value;
when the second sub-execution logic corresponds to the second sub-range which is greater than or equal to the preset range upper limit value and is superposed with the clamp value, the second temperature signal value is the preset range upper limit value and is superposed with the clamp value, and the quality code is a third quality characterization value;
when the second sub-execution logic is corresponding to the second sub-range of the preset range upper limit value superposed with the clamp value minus the clamp dead zone value and superposed with the clamp value, the second temperature signal value is the preset range upper limit value superposed with the clamp value, and the quality code is the third quality characterization value;
when the second sub-execution logic corresponds to the second sub-range of the preset range lower limit minus the clamp value and the preset range dead zone lower limit, the second temperature signal value is the first temperature signal value, and the quality code is the second quality characterization value;
when the second sub-execution logic corresponds to the second sub-range smaller than or equal to the preset range lower limit minus the clamp value, the second temperature signal value is the preset range lower limit minus the clamp value, and the quality code is the third quality characterization value;
when the second sub-execution logic corresponds to the second sub-range in which the preset range lower limit value minus the clamp value and the preset range lower limit value minus the clamp value are superposed with the clamp dead zone value, the second temperature signal value is the preset range lower limit value minus the clamp value, and the quality code is the third quality characterization value;
wherein the first temperature signal value is the same as the second temperature signal value when the first sub-execution logic corresponds to the same as the second sub-execution logic.
The quality of the temperature signal value corresponding to the first quality characteristic value in the distributed control system is higher than the temperature signal values corresponding to the second quality characteristic value and the third quality characteristic value;
the quality of the temperature signal value corresponding to the second quality characterizing value in the distributed control system is higher than that of the third quality characterizing value.
In a specific implementation, the clamp value is typically 5% of the input signal range, and the clamp dead zone value is typically 1% of the input signal range. In the present embodiment, the clamp value is 5, and the clamp dead zone value is 1. The second quality characterization value is POOR, and the third quality characterization value is BAD;
when the first temperature signal value is in the second sub-range of 101 and 105, the second temperature signal value is consistent with the first temperature signal value, and the quality code is POOR;
when the first temperature signal value is in a second sub-range which is larger than or equal to 105, the second temperature signal value is 105, and the quality code is BAD;
when the first temperature signal value is in the second sub-ranges of 104 and 105, the second temperature signal value is 105, and the quality code is BAD;
when the first temperature signal value is in a second sub-range of-5 and-1, the second temperature signal value is consistent with the first temperature signal value, and the quality code is POOR;
when the first temperature signal value is in a second sub-range less than or equal to minus 5, the second temperature signal value is minus 5, and the quality code is BAD;
when the first temperature signal value is at the second sub-ranges of-5 and-4, the second temperature signal value is-5 and the quality code is BAD.
In a specific implementation, in the first processing logic, when the first sub-range corresponding to the initial temperature signal value is in the same range as the second sub-range, the first processing logic is the same as the second processing logic.
Because the first processing logic can carry out the clamping and clamping dead zone processing, the second processing logic can directly acquire the clamping and clamping dead zone processing of the first processing logic, and increases the setting method of the upper limit and the lower limit of the range dead zone, namely the second processing logic.
In the embodiment, there are actually four quality codes, i.e., GOOD, POOR, BAD and FAIR, but the quality status of the FAIR is mandatory based on the control requirement, and thus it is not necessary to perform judgment in the channel. The different quality codes represent the use quality of the corresponding temperature signal values in the DCS platform, in the embodiment, the quality codes GOOD are superior to POOR, POOR is superior to BAD, and GOOD represents that the corresponding temperature signal values are in the initial measuring range, namely 0-100.
In specific implementation, the names of the temperature signal points in the DCS platform are unique, so that the temperature signal points processed by the second processing logic need to participate in subsequent operations, the temperature signal point corresponding to the second temperature signal value needs to inherit the name of the first temperature signal point corresponding to the first temperature signal value, the name of the first temperature signal point needs to be changed, and a prefix or a suffix can be added on the basis of the original name. If the original temperature signal point name is A, after the second processing logic processing, the temperature signal point name corresponding to the second temperature signal value is changed into A, and the name of the original temperature signal point is changed into A1. Meanwhile, the second processing logic has the same attribute as the first processing logic, and the internet access attribute, the alarm attribute, the system group and the like in the first processing logic are configured in the second processing logic.
Fig. 2 is a schematic diagram illustrating a logic implementation of the present embodiment. In specific implementation, the generated new temperature signal point, that is, the temperature signal point corresponding to the second temperature signal value, can replace the original temperature signal point to participate in subsequent processing, the newly generated temperature signal point can add the attribute of the original temperature signal point, and the built second processing logic is packaged into a standard logic macro and can be multiplexed in multiple items.
According to the method for setting the upper limit and the lower limit of the range dead zone of the temperature signal, a second execution logic is added after an existing first execution logic in an existing DCS platform, the second execution logic comprises a plurality of second sub-execution logics, each second sub-execution logic corresponds to a second sub-range obtained by dividing the initial range and a preset range dead zone, the upper limit and the lower limit of the range of the temperature signal are set in a packaging mode through second execution logic configuration, the temperature signal value required by limitation of a second execution logic output system is finally limited by a quality code corresponding to the temperature signal value, real-time calculation can be achieved according to the state of a controller, the cost of re-investment in DCS platform research and development is effectively reduced after off-line configuration is not needed, the expenditure of manpower and material resources is greatly reduced, the work difficulty of logic designers is reduced, and the application scene is expanded.
Example 2
The present embodiment provides a device for setting an upper limit and a lower limit of a range dead zone of a temperature signal, as shown in fig. 3, the device includes:
an initial temperature signal value obtaining module 21, configured to obtain an initial temperature signal value of the measurement point;
a first logic execution module 22, configured to process the initial temperature signal value by using a first execution logic to obtain a first processing result;
the first execution logic comprises a plurality of first sub-execution logics, and each first sub-execution logic corresponds to a first sub-range obtained based on initial range division;
a second logic execution module 23, configured to process the first processing result by using a second execution logic to obtain a second processing result;
wherein the second execution logic is different from the first execution logic;
the second execution logic comprises a plurality of second sub-execution logics, and each second sub-execution logic corresponds to a second sub-range obtained based on the division of the initial range and a preset range dead zone;
and the range dead zone setting module 24 is configured to determine, based on the second processing result, a range dead zone upper limit and/or a range dead zone lower limit corresponding to the initial range.
In an optional embodiment, the first processing result includes a first temperature signal value, the second processing result includes a second temperature signal value, and a quality code representing data quality of the second temperature signal value at the corresponding second sub-range.
In an alternative embodiment, the range dead band setting module 24 includes:
setting the minimum value in the preset range dead zone of the second processing result as the lower limit value of the range dead zone, and setting the maximum value in the preset range dead zone of the second processing result as the upper limit value of the range dead zone.
In an optional implementation manner, the first logic executing module 22 includes:
when the first sub-execution logic corresponds to a first sub-range of a preset dead zone lower limit value of a preset range dead zone and a range lower limit value of an initial range, the first temperature signal value is an initial temperature signal value;
when the first sub-execution logic corresponds to a first sub-range of the lower range limit of the initial range and the upper range limit of the initial range, the first temperature signal value is an initial temperature signal value;
and in the first sub-measurement range in which the first sub-execution logic corresponds to the upper limit of the measurement range and the upper limit of the measurement range is superposed with the upper limit of the preset dead zone of the preset measurement range, the first temperature signal value is the initial temperature signal value.
In a specific implementation, the second logic executing module 23 includes:
when the second sub-execution logic corresponds to a second sub-range of the lower limit value of the preset range dead zone and the upper limit value of the preset range dead zone, the second temperature signal value is the lower limit value of the preset range, and the quality code is the first quality characterization value;
when the second sub-execution logic corresponds to a second sub-range from the preset range dead zone upper limit value to the preset range upper limit value minus the preset range dead zone upper limit value, the second temperature signal value is consistent with the first temperature signal value, and the quality code is a first quality characterization value;
and when the second sub-execution logic corresponds to a second sub-range in which the preset range upper limit value is subtracted from the preset range dead zone upper limit value and the preset range upper limit value is superposed with the preset range dead zone upper limit value, the second temperature signal value is the preset range upper limit value, and the quality code is the first quality characterization value.
In an optional implementation manner, the first logic executing module 23 further includes:
when the second sub-execution logic is superposed with the second sub-range of the clamp value corresponding to the preset range upper limit value and the preset range dead zone upper limit value corresponding to the preset range upper limit value, the second temperature signal value is the first temperature signal value, and the quality code is the second quality characterization value;
when the second sub-execution logic corresponds to a second sub-range which is larger than or equal to the preset range upper limit value superposition clamp value, the second temperature signal value is the preset range upper limit value superposition clamp value, and the quality code is a third quality characterization value;
when the second sub-execution logic corresponds to a second sub-range of the preset range upper limit value superposition clamp value minus clamp dead zone value and the preset range upper limit value superposition clamp value, the second temperature signal value is the preset range upper limit value superposition clamp value, and the quality code is a third quality characterization value;
when the second sub-execution logic corresponds to a second sub-range of the preset range lower limit value minus the range value and the preset range dead zone lower limit value, the second temperature signal value is the first temperature signal value, and the quality code is the second quality characterization value;
when the second sub-execution logic corresponds to a second sub-range which is smaller than or equal to the value obtained by subtracting the clamp value from the lower limit value of the preset range, the second temperature signal value is the value obtained by subtracting the clamp value from the lower limit value of the preset range, and the quality code is a third quality characterization value;
when the second sub-execution logic corresponds to a second sub-range of the clamp dead zone value superposed by the preset range lower limit value minus the clamp value and the preset range lower limit value minus the clamp value, the second temperature signal value is the clamp value minus the preset range lower limit value, and the quality code is a third quality characteristic value;
when the first sub-execution logic and the second sub-execution logic are the same correspondingly, the first temperature signal value is the same as the second temperature signal value.
The quality of the temperature signal value corresponding to the first quality characteristic value in the distributed control system is higher than the temperature signal values corresponding to the second quality characteristic value and the third quality characteristic value;
and the quality of the temperature signal value corresponding to the first quality characterization value in the distributed control system is greater than a preset value.
In the device for setting the upper and lower limits of the range dead zone of the temperature signal in this embodiment, through mutual cooperation of the modules, the initial temperature signal value of the measurement point is obtained through the initial temperature signal value obtaining module, the initial temperature signal value is processed through the first logic execution module to obtain a first processing result, the first processing result is processed through the second logic execution module by using the second execution logic to obtain a second processing result, and finally, the upper limit and/or the lower limit of the range dead zone corresponding to the initial range is determined through the setting module Cheng Siou based on the second processing result. The limitation of the upper limit and the lower limit of the range dead zone of the temperature signal in the DCS platform is realized, the cost of secondary investment in platform research and development is reduced by building logic on engineering configuration and packaging the logic into a standard logic macro, the expenditure of manpower and material resources is greatly reduced, the working difficulty of logic designers is reduced, real-time calculation can be carried out according to the state of the controller, and the regeneration effect is not required after off-line configuration is installed again.
Example 3
The embodiment provides the DCS system, the DCS system comprises the setting device for the upper limit and the lower limit of the range dead zone of the temperature signal, the effective setting of the upper limit and the lower limit of the range dead zone of the temperature signal is realized due to the integration of the setting device, and the overall product performance of the DCS system is improved.
Example 4
Fig. 4 is a schematic structural diagram of an electronic device provided in this embodiment, and the electronic device includes a memory, a processor, and a computer program stored in the memory and capable of running on the processor, where the processor implements the method for setting the upper and lower limits of the range dead zone of the temperature signal when executing the computer program. The electronic device 80 shown in fig. 4 is only an example, and should not bring any limitation to the functions and the scope of use of the embodiment of the present invention. As shown in FIG. 4, the electronic device 80 may take the form of a general purpose computing device, which may be a server device, for example. The components of the electronic device 80 may include, but are not limited to: the at least one processor 81, the at least one memory 82, and a bus 83 connecting the various system components including the memory 82 and the processor 81.
The bus 83 includes a data bus, an address bus, and a control bus.
The memory 82 may include volatile memory, such as Random Access Memory (RAM) 821 and/or cache memory 822, and may further include Read Only Memory (ROM) 823.
The processor 81 executes various functional applications and data processing, such as the setting method of the upper and lower limits of the span dead zone of the temperature signal in the above embodiment 1, by running a computer program stored in the memory 82.
The electronic device 80 may also communicate with one or more external devices 84. Such communication may be through input/output (I/O) interfaces 85. Also, the model-generating electronic device 80 may also communicate with one or more networks (e.g., a Local Area Network (LAN), a Wide Area Network (WAN), and/or a public network, such as the Internet) via the network adapter 86. As shown in fig. 4, the network adapter 86 communicates with the other modules of the electronic device 80 via the bus 83. It should be understood that although not shown in the figures, other hardware and/or software modules may be used in conjunction with the electronic device 80, including but not limited to: microcode, device drivers, redundant processors, external disk drive arrays, RAID (disk array) systems, tape drives, and data backup storage systems, etc.
Example 5
The present embodiment provides a computer-readable storage medium on which a computer program is stored, the computer program, when executed by a processor, implementing the method for setting the upper and lower limits of the range dead zone of the temperature signal in embodiment 1 described above.
More specific examples, among others, that the readable storage medium may employ may include, but are not limited to: a portable disk, a hard disk, random access memory, read only memory, erasable programmable read only memory, optical storage device, magnetic storage device, or any suitable combination of the foregoing.
While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are within the scope of the invention.
Claims (10)
1. A method for setting the upper and lower limits of the range dead zone of a temperature signal is characterized in that the setting method is applied to the measurement scene of the temperature signal in a decentralized control system;
the setting method comprises the following steps:
acquiring an initial temperature signal value of a measuring point;
processing the initial temperature signal value by adopting a first execution logic to obtain a first processing result;
the first execution logic comprises a plurality of first sub-execution logics, and each first sub-execution logic corresponds to a first sub-range obtained based on initial range division;
processing the first processing result by adopting a second execution logic to obtain a second processing result;
wherein the second execution logic is different from the first execution logic;
the second execution logic comprises a plurality of second sub-execution logics, and each second sub-execution logic corresponds to a second sub-range obtained based on the division of the initial range and a preset range dead zone;
and determining a range dead zone upper limit and/or a range dead zone lower limit corresponding to the initial range based on the second processing result.
2. The method of claim 1, wherein the first processing result comprises a first temperature signal value;
the second processing result comprises a second temperature signal value and a quality code representing the data quality of the second temperature signal value at the corresponding second sub-range.
3. The method for setting the upper and lower range dead zone limits of the temperature signal according to claim 2, wherein the step of determining the upper and/or lower range dead zone limits of the temperature signal based on the second processing result comprises:
setting the minimum value in the preset range dead zone of the second processing result as the lower limit value of the range dead zone, and setting the maximum value in the preset range dead zone of the second processing result as the upper limit value of the range dead zone.
4. The method of claim 2, wherein the step of processing the initial temperature signal value with the first execution logic to obtain a first processing result comprises:
when the first sub-execution logic corresponds to the first sub-range of the lower limit value of the preset dead zone of the preset range dead zone and the lower limit value of the range of the initial range, the first temperature signal value is the initial temperature signal value;
when the first sub-execution logic corresponds to the first sub-range of the lower range limit of the initial range and the upper range limit of the initial range, the first temperature signal value is the initial temperature signal value;
and superposing the first sub-range of the preset dead zone upper limit value of the preset dead zone on the range upper limit corresponding to the range upper limit and the range upper limit in the first sub-execution logic, wherein the first temperature signal value is the initial temperature signal value.
5. The method of claim 2, wherein the step of processing the first processing result with the second execution logic to obtain a second processing result comprises:
when the second sub-execution logic corresponds to the second sub-range of the preset range dead zone lower limit value and the preset range dead zone upper limit value, the second temperature signal value is the preset range lower limit value, and the quality code is a first quality characterization value;
when the second sub-execution logic corresponds to the second sub-range from the preset range dead zone upper limit value to the preset range upper limit value minus the preset range dead zone upper limit value, the second temperature signal value is consistent with the first temperature signal value, and the quality code is the first quality characteristic value;
when the second sub-execution logic corresponds to the second sub-range of the preset range dead zone upper limit value subtracted from the preset range upper limit value and the preset range upper limit value superposed with the preset range dead zone upper limit value, the second temperature signal value is the preset range upper limit value, and the quality code is a first quality characteristic value;
and the quality of the temperature signal value corresponding to the first quality characterization value in the distributed control system is greater than a preset value.
6. The method of setting the upper and lower span of the span dead band of the temperature signal of claim 2 wherein the second sub-execution logic further comprises:
when the second sub-execution logic superposes the second sub-range of the clamp value on the preset range dead zone upper limit value and the preset range upper limit value corresponding to the preset range upper limit value, the second temperature signal value is the first temperature signal value, and the quality code is a second quality characterization value;
when the second sub-execution logic corresponds to the second sub-range which is greater than or equal to the preset range upper limit value and is superposed with the clamp value, the second temperature signal value is the preset range upper limit value and is superposed with the clamp value, and the quality code is a third quality characteristic value;
when the second sub-execution logic is corresponding to the second sub-range of the preset range upper limit value superposed with the clamp value minus the clamp dead zone value and superposed with the clamp value, the second temperature signal value is the preset range upper limit value superposed with the clamp value, and the quality code is the third quality characterization value;
when the second sub-execution logic corresponds to the second sub-range of the preset range lower limit minus the clamp value and the preset range dead zone lower limit, the second temperature signal value is the first temperature signal value, and the quality code is the second quality characterization value;
when the second sub-execution logic corresponds to the second sub-range smaller than or equal to the preset range lower limit minus the clamp value, the second temperature signal value is the preset range lower limit minus the clamp value, and the quality code is the third quality characterization value;
when the second sub-execution logic corresponds to the second sub-range in which the preset range lower limit value minus the clamp value and the preset range lower limit value minus the clamp value are superposed with the clamp dead zone value, the second temperature signal value is the preset range lower limit value minus the clamp value, and the quality code is the third quality characterization value;
wherein the first temperature signal value is the same as the second temperature signal value when the first sub-execution logic corresponds to the same as the second sub-execution logic;
the quality of the temperature signal value corresponding to the first quality characterization value in the distributed control system is higher than the temperature signal values corresponding to the second quality characterization value and the third quality characterization value;
the quality of the temperature signal value corresponding to the second quality characterizing value in the distributed control system is higher than that of the third quality characterizing value.
7. A setting device for the upper and lower limits of a range dead zone of a temperature signal, the setting device comprising:
the initial temperature signal value acquisition module is used for acquiring an initial temperature signal value of the measuring point;
the first logic execution module is used for processing the initial temperature signal value by adopting first execution logic to obtain a first processing result;
the first execution logic comprises a plurality of first sub-execution logics, and each first sub-execution logic corresponds to a first sub-range obtained based on initial range division;
the second logic execution module is used for processing the first processing result by adopting second execution logic to obtain a second processing result;
wherein the second execution logic is different from the first execution logic;
the second execution logic comprises a plurality of second sub-execution logics, and each second sub-execution logic corresponds to a second sub-range obtained based on the division of the initial range and a preset range dead zone;
and the range dead zone setting module is used for determining the upper limit and/or the lower limit of the range dead zone corresponding to the initial range based on the second processing result.
8. A DCS system including the setting of upper and lower limits of a range dead band for a temperature signal of claim 7.
9. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor implements the method for setting the upper and lower limits of the range dead band of a temperature signal according to any one of claims 1 to 6 when executing the computer program.
10. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out a method of setting upper and lower limits of a range dead zone of a temperature signal according to any one of claims 1 to 6.
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| CN116088631A (en) * | 2023-04-11 | 2023-05-09 | 长鑫存储技术有限公司 | Power supply circuit and memory |
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| CN116088631A (en) * | 2023-04-11 | 2023-05-09 | 长鑫存储技术有限公司 | Power supply circuit and memory |
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