CN117077580A

CN117077580A - Loop analysis method, device, equipment and storage medium based on simulation experiment

Info

Publication number: CN117077580A
Application number: CN202311042921.XA
Authority: CN
Inventors: 彭泽波; 姜超; 张俊
Original assignee: Anhui Wenxiang Technology Co ltd
Current assignee: Anhui Wenxiang Technology Co ltd
Priority date: 2023-08-18
Filing date: 2023-08-18
Publication date: 2023-11-17

Abstract

The invention relates to the technical field of loop analysis based on simulation experiments, and discloses a loop analysis method, a device, equipment and a storage medium based on the simulation experiments, wherein the loop analysis method based on the simulation experiments comprises the following steps: constructing a first connection matrix based on the simulation equipment, wherein the first connection matrix is used for representing the connection state between the connection nodes of each simulation equipment; determining a sub-loop containing each simulation equipment based on the first connection matrix; and merging sub-loops based on the connection relation of each simulation device to obtain an effective loop set. By implementing the invention, the simulation equipment is simplified into the electrical element with at least two connecting nodes, the functions and the attributes of the simulation equipment are ignored to determine the power supply, the voltage and current changes of the power supply and the associated circuit branches do not need to be checked, the problem that the simulation equipment capable of self-charging and discharging such as a capacitor in the simulation equipment interferes with the determination of the power supply is avoided, and the efficiency and the accuracy of loop analysis are improved.

Description

Loop analysis method, device, equipment and storage medium based on simulation experiment

Technical Field

The invention relates to the technical field of circuit analysis and processing, in particular to a loop analysis method, a loop analysis device, loop analysis equipment and a loop analysis storage medium based on simulation experiments.

Background

In the electrical simulation experiment, the confirmation of an effective circuit in the loop analysis process is a quite important step, and the confirmation of the effective circuit refers to the determination of the effective part in the circuit, namely the elimination of irrelevant simulation equipment and non-working state simulation equipment, so as to perform accurate circuit analysis and design. In the case of performing an effective circuit analysis, a power analysis method is generally employed, and a portion of a circuit connected to a power supply is determined by analyzing the power supply, and a simulation device irrelevant to the power supply is eliminated.

In practice, it is difficult to determine the power supply by checking the voltage and current variations of the power supply and the associated circuit branches. In addition, simulation equipment such as a capacitor and the like which can be charged and discharged by itself exists in the simulation equipment, so that the simulation equipment can interfere the determination of a power supply, and the accuracy of loop analysis is reduced.

Disclosure of Invention

In view of the above, the present invention provides a loop analysis method, apparatus, device and storage medium based on simulation experiment, so as to solve the problems that the difficulty is high, and the simulation equipment such as capacitor, which can be charged and discharged by itself, will interfere the determination of the power supply and reduce the accuracy of loop analysis, because it is determined that the power supply needs to check the voltage and current variation of the power supply and the associated circuit branch.

In a first aspect, the present invention provides a loop analysis method based on a simulation experiment, the method comprising: constructing a first connection matrix based on the simulation equipment, wherein the first connection matrix is used for representing the connection state between the connection nodes of each simulation equipment; determining a sub-loop containing the respective simulation equipment based on the first connection matrix; and merging the sub-loops based on the connection relation of each simulation device to obtain an effective loop set.

According to the loop analysis method based on the simulation experiment, firstly, a first connection matrix is constructed based on the simulation equipment, connection states among connection nodes of the simulation equipment are represented by matrix elements, the simulation equipment is simplified into electrical elements with at least two connection nodes, functions and attributes of the simulation equipment are ignored, a step of determining a power supply is omitted, voltage and current changes of the power supply and associated circuit branches do not need to be checked, the problem that the simulation equipment capable of self-charging and discharging in the simulation equipment such as a capacitor interferes with the determination of the power supply is avoided, and the efficiency and accuracy of loop analysis are improved. And secondly, determining a sub-loop comprising each simulation equipment based on the first connection matrix, effectively identifying open-circuit and short-circuit simulation devices in the circuit, avoiding interference of the open-circuit and short-circuit simulation devices on the effective circuit, and improving the reliability of loop analysis. And finally, merging the sub-loops based on the connection relation of each simulation device, so that the problem of circuit structure confusion caused by repeated sub-loops in the effective loop is avoided, and the ordering of loop analysis is improved.

In an alternative embodiment, the constructing a first connection matrix based on the simulation equipment includes: acquiring the quantity of the simulation equipment; determining the number of rows and columns of the first connection matrix based on the number of equipment, and creating the first connection matrix; and setting the values of matrix elements in the first connection matrix as initial values, wherein the matrix elements in each row in the first connection matrix represent the connection states of the connection nodes of the simulation equipment corresponding to the row and the connection nodes of other simulation equipment.

According to the loop analysis method based on the simulation experiment, the number of rows and columns of the first connection matrix is determined based on the number of the devices, the first connection matrix is created, matrix elements are used for representing connection states among connection nodes of all simulation devices, the simulation devices are simplified into electrical elements with at least two connection nodes, functions and attributes of the simulation devices are ignored, the step of determining a power supply is omitted, voltage and current changes of the power supply and related circuit branches do not need to be checked, the problem that the simulation devices capable of self charging and discharging such as capacitors in the simulation devices interfere the definite shaping of the power supply is avoided, and the efficiency and accuracy of loop analysis are improved.

In an alternative embodiment, the determining a sub-loop including the respective simulation equipment based on the first connection matrix includes: judging the connection relation between two ends of each wire, and resetting the values of matrix elements of the first connection matrix based on the judgment result to obtain a reset first connection matrix; determining a sub-loop starting with the current simulation equipment based on matrix elements in the current row in the reset first connection matrix.

According to the loop analysis method based on the simulation experiment, the sub-loops comprising the simulation equipment are determined through the first connection matrix, so that the simulation devices of the open circuit and the short circuit in the circuit are effectively identified, the interference of the simulation devices of the open circuit and the short circuit to the effective circuit is avoided, and the reliability of loop analysis is improved.

In an optional implementation manner, the determining the connection relationship between two ends of each wire, resetting the value of the matrix element of the first connection matrix based on the determination result, to obtain a reset first connection matrix, includes: sequentially judging whether two ends of each wire are connected with the connecting node and whether simulation equipment corresponding to the connecting node is the same simulation equipment; resetting the value of the corresponding matrix element in the first connection matrix to a first change value if the two ends of the current lead are connected with the different connection nodes of the simulation equipment; if the two ends of the current lead are not connected with the connecting nodes, or the two ends of the current lead are connected with the connecting nodes of the same simulation equipment, judging the end point of the next lead; and when the endpoint judgment is completed on all the wires, obtaining the reset first connection matrix.

In an alternative embodiment, the determining a sub-loop starting with the current simulation equipment based on matrix elements in the current row in the reset first connection matrix includes: if the value of the current matrix element in the current row is the first variation value, determining that the current simulation equipment and another simulation equipment in the current matrix element form a sub-loop; if the value of the current matrix element in the current row is the initial value, determining that the current simulation equipment and another simulation equipment in the current matrix element do not form a sub-loop; each sub-loop formed by the current matrix element is taken as all the sub-loops starting from the current simulation equipment.

According to the loop analysis method based on the simulation experiment, the sub-loop started by the current simulation equipment is determined through the value of the current matrix element, the function and the attribute of the simulation equipment are ignored, the step of determining the power supply is omitted, the voltage and current change of the power supply and the associated circuit branch do not need to be checked, the problem that the simulation equipment capable of self-charging and discharging such as a capacitor in the simulation equipment interferes with the determination of the power supply is avoided, and the efficiency and the accuracy of loop analysis are improved.

In an optional implementation manner, the merging processing is performed on the sub-loops based on the connection relation of the simulation devices to obtain an effective loop set, which includes: traversing all sub-loops starting from all simulation equipment, and if at least two sub-loops contain the same simulation equipment, merging the at least two sub-loops to obtain an effective loop; when the same simulation equipment does not exist between any two effective loops, the effective loop set is constructed based on the current effective loops.

According to the loop analysis method based on the simulation experiment, through traversing all sub-loops starting from each simulation device, if at least two sub-loops contain the same simulation device, the at least two sub-loops are combined to obtain an effective loop, and when the same simulation device does not exist between any two effective loops, the effective loop set is constructed based on each current effective loop, so that the problem of circuit structure confusion caused by repeated sub-loops in the effective loops is avoided.

In an alternative embodiment, the traversing each sub-loop starting with each simulation device, if at least two sub-loops contain the same simulation device, combining the at least two sub-loops to obtain an effective loop, including: s1: taking the current sub-loop as a processing target; s2: determining whether each sub-loop after the processing target contains the same simulation equipment as the processing target; s3: if the simulation equipment is contained, determining a sub-loop which contains the same simulation equipment as the processing target as a target loop; s4: adding the simulation equipment in the target loop into a simulation equipment set of an effective loop corresponding to the processing target, and deleting the target loop; s5: and determining the next loop of the current sub-loop as a new processing target, and repeatedly executing the steps S1-S5 until each sub-loop is traversed.

According to the loop analysis method based on the simulation experiment, all the simulation devices connected in a direct or indirect mode can be combined together by traversing all the sub-loops starting from each simulation device and combining the sub-loops containing the same simulation device into one effective loop, so that the problem of disordered circuit structure caused by repeated sub-loops in the effective loop is avoided.

In an alternative embodiment, after the adding the simulation equipment in the target loop to the simulation equipment set of the effective loop corresponding to the processing target and deleting the target loop, the method further includes resetting the value of the corresponding matrix element in the target loop to a second variation value.

According to the loop analysis method based on the simulation experiment, the values of the matrix elements corresponding to the target loop are reset to the second change values, repeated processing of the combined sub-loops is avoided, and the loop analysis efficiency is improved.

In a second aspect, the present invention provides a loop analysis device based on simulation experiments, the device comprising: the building module is used for building a first connection matrix based on the simulation equipment, and the first connection matrix is used for representing the connection state between the connection nodes of each simulation equipment; a determining module, configured to determine a sub-loop including the respective simulation apparatuses based on the first connection matrix; and the merging module is used for merging the sub-loops based on the connection relation of each simulation device to obtain an effective loop set.

In a third aspect, the present invention provides an apparatus comprising: the memory and the processor are in communication connection, the memory stores computer instructions, and the processor executes the computer instructions, so that the loop analysis method based on the simulation experiment of the first aspect or any embodiment corresponding to the first aspect is executed.

In a fourth aspect, the present invention provides a computer readable storage medium having stored thereon computer instructions for causing a computer to execute the loop analysis method based on simulation experiments of the first aspect or any of the embodiments corresponding thereto.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a flow diagram of a loop analysis method based on simulation experiments according to an embodiment of the present invention;

FIG. 2 is a flow chart of another loop analysis method based on simulation experiments according to an embodiment of the present invention;

FIG. 3 is a flow chart of yet another loop analysis method based on simulation experiments according to an embodiment of the present invention;

FIG. 4 is a flow chart illustrating the determination of the end point of a wire according to an embodiment of the present invention;

FIG. 5 is a schematic flow diagram of a sub-loop determination starting with a current simulation fixture in accordance with an embodiment of the present invention;

FIG. 6 is a flow chart of yet another loop analysis method based on simulation experiments according to an embodiment of the present invention;

FIG. 7 is a flow diagram of a sub-loop merge process according to an embodiment of the invention;

FIG. 8 is a schematic flow diagram of a recursive process according to an embodiment of the present invention;

FIG. 9 is a block diagram of a loop analysis apparatus based on simulation experiments according to an embodiment of the present invention;

fig. 10 is a schematic diagram of a hardware structure of an apparatus according to an embodiment of the present invention.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

In the electrical simulation experiment, the confirmation of an effective circuit in the loop analysis process is a quite important step, and the confirmation of the effective circuit refers to the determination of the effective part in the circuit, namely the elimination of irrelevant simulation equipment and non-working state simulation equipment, so as to perform accurate circuit analysis and design. In the case of performing an effective circuit analysis, a power analysis method is generally employed, and a portion of a circuit connected to a power supply is determined by analyzing the power supply, and a simulation device irrelevant to the power supply is eliminated. In practice, it is difficult to determine the power supply by checking the voltage and current variations of the power supply and the associated circuit branches. In addition, simulation equipment such as a capacitor and the like which can be charged and discharged by itself exists in the simulation equipment, so that the simulation equipment can interfere the determination of a power supply, and the accuracy of loop analysis is reduced.

According to an embodiment of the present invention, a loop analysis method embodiment based on simulation experiments is provided, and it should be noted that the steps illustrated in the flowchart of the drawings may be performed in a computer system such as a set of computer executable instructions, and that although a logic order is illustrated in the flowchart, in some cases, the steps illustrated or described may be performed in an order different from that illustrated herein.

In this embodiment, a loop analysis method based on a simulation experiment is provided, and fig. 1 is a flowchart of a loop analysis method based on a simulation experiment according to an embodiment of the present invention, as shown in fig. 1, where the flowchart includes the following steps:

step S101, constructing a first connection matrix based on the simulation apparatuses, where the first connection matrix is used to represent connection states between connection nodes of each simulation apparatus.

In particular, in performing simulations, the simulation equipment may be reduced to electrical components having at least two connection nodes, ignoring their functions and properties. For example, simplifying the capacitance to an electrical element with two connection nodes, simplifying the galvanic couple to an electrical element with four connection nodes. Numbering the simulation equipment to obtain the equipment number of the simulation equipment, if the equipment number of the simulation equipment is m, obtaining simulation equipment with the numbers of K1, K2. and Km, wherein m is a positive integer, constructing an m×m matrix to obtain the first connection matrix, and the m-th row matrix element of the first connection matrix represents the connection state of the connection node of the simulation equipment corresponding to the row and the connection nodes of other simulation equipment. The first row of matrix elements of the first connection matrix represents connection states of connection nodes of simulation equipment with the number K1 and each equipment, the values of the matrix elements in the first connection matrix are set as initial values, and when (K1, K2) =initial values, the connection states of the simulation equipment with the number K1 and the connection nodes of the simulation equipment with the number K2 are represented, and the first connection matrix has the following formula:

m is the number of equipment, K1, & gt, km is the number of simulated equipment.

Step S102, determining a sub-loop containing each simulation equipment based on the first connection matrix.

Specifically, the connection state of the connection node between the simulation devices is obtained, and the values of the matrix elements corresponding to the simulation devices connected to each other are reset, for example, if the simulation device numbered K1 is connected to the connection node of the simulation device numbered K2, the initial value "(K1, K2) =is reset to the first variation value" (K1, K2) =). Based on the matrix elements in row 1 of the first connection matrix after the reset, all sub-loops starting with simulation equipment numbered K1 may be determined, and so on, all sub-loops starting with simulation equipment numbered K1 to Km may be determined.

And step S103, merging the sub-loops based on the connection relation of each simulation device to obtain an effective loop set.

Specifically, in a simulation experiment, a plurality of effective circuits are usually required to be built, simulation equipment in the same effective circuit is directly connected or indirectly connected, the sub-loops are compared, the sub-loops with the same simulation equipment are the sub-loops in the same effective loop, the sub-loops with the same simulation equipment are combined, and the effective loop set is built based on the current effective loops until the simulation equipment with the same simulation equipment is not present between any two effective loops.

In this embodiment, a loop analysis method of a simulation experiment is provided, and fig. 2 is a flowchart of a loop analysis method of a simulation experiment according to an embodiment of the present invention, as shown in fig. 2, where the flowchart includes the following steps:

step S201, constructing a first connection matrix based on the simulation apparatuses, where the first connection matrix is used to represent connection states between connection nodes of each simulation apparatus.

Specifically, the step S201 includes:

and S2011, acquiring the equipment quantity of the simulation equipment.

Specifically, the number of pieces of the simulation equipment is obtained and the simulation equipment is numbered, and if the number of pieces of the simulation equipment is m, the simulation equipment with the numbers of K1, K2. and Km is obtained as an example.

Step S2012, determining the number of rows and columns of the first connection matrix based on the number of devices, and creating the first connection matrix.

Specifically, if the number of rows and columns of the first connection matrix is equal to the number of devices, as an example, if the number of devices of the simulation devices is m, an m×m matrix is constructed to obtain the first connection matrix, and matrix elements of the first connection matrix represent connection states of connection nodes of the simulation devices corresponding to the rows and connection nodes of other simulation devices, as an example, matrix elements (K1, K2) represent connection relations between the simulation devices numbered K1 and connection nodes of the simulation devices numbered K2.

And step S2013, setting the values of matrix elements in the first connection matrix as initial values, wherein the matrix elements in each row in the first connection matrix represent the connection states of the connection nodes of the simulation equipment corresponding to the row and the connection nodes of other simulation equipment.

Specifically, the value of the matrix element being an initial value indicates that the connection nodes of two simulation devices in the matrix element have no connection relationship. The matrix elements in each row in the first connection matrix represent connection states of connection nodes of the simulation equipment corresponding to the row and connection nodes of other simulation equipment, for example, the matrix elements in the first row of the first connection matrix represent connection states of connection nodes of the simulation equipment with the number K1 and each equipment.

Step S202, determining a sub-loop including the simulation devices based on the first connection matrix. Please refer to step S102 in the embodiment shown in fig. 1 in detail, which is not described herein.

And step S203, merging the sub-loops based on the connection relation of each simulation device to obtain an effective loop set. Please refer to step S103 in the embodiment shown in fig. 1 in detail, which is not described herein.

In this embodiment, a loop analysis method of a simulation experiment is provided, and fig. 3 is a flowchart of a loop analysis method of a simulation experiment according to an embodiment of the present invention, as shown in fig. 3, where the flowchart includes the following steps:

step S301, constructing a first connection matrix based on the simulation apparatuses, where the first connection matrix is used to represent connection states between connection nodes of each simulation apparatus. Please refer to step S201 in the embodiment shown in fig. 2 in detail, which is not described herein.

Step S302, determining a sub-loop including the simulation devices based on the first connection matrix.

Specifically, the step S302 includes:

in step S3021, the connection relationship between the two ends of each wire is determined, and the values of the matrix elements of the first connection matrix are reset based on the determination result, so as to obtain the first connection matrix after being reset.

Specifically, fig. 4 is a schematic flow chart of wire end point determination according to an embodiment of the present invention, and the step S3021 includes:

a1, judging whether two ends of each wire are connected with the connecting node and whether simulation equipment corresponding to the connecting node are the same simulation equipment in sequence.

a2, if the two ends of the current lead are connected with the different connecting nodes of the simulation equipment, resetting the value of the corresponding matrix element in the first connecting matrix to be a first change value.

Specifically, if the simulation devices corresponding to the connection nodes connected to the two ends of the wire are the simulation device with the number K1 and the simulation device with the number K2, respectively, the initial value of "(K1, K2) =is" reset to "(K1, K2) =first change value", and the initial value of "(K2, K1) =is" also reset to "(K2, K1) =first change value", which may be 1 as an example.

and a3, if the two ends of the current lead are not connected with the connecting nodes, or the two ends of the current lead are connected with the connecting nodes of the same simulation equipment, judging the end points of the next lead.

Specifically, if the two ends of the current wire are not connected with the connection nodes, the current wire is in an open circuit state, and if the two ends of the current wire are connected with the connection nodes of the same simulation equipment, the current simulation equipment is in a short circuit state.

and a4, obtaining the reset first connection matrix when the endpoint judgment is completed on all the wires.

Step S3022, determining a sub-loop starting with the current simulation equipment based on the matrix elements in the current row in the first connection matrix after the reset.

Specifically, fig. 5 is a schematic flow chart of determining a sub-loop starting with a current simulation apparatus according to an embodiment of the present invention, where step S3022 includes:

b1: and if the value of the current matrix element in the current row is the first variation value, determining that the current simulation equipment and another simulation equipment in the current matrix element form a sub-loop.

Specifically, if (K1, K2) =the first variation value, it is determined that the simulation device numbered K1 and the simulation device numbered K2 form a sub-loop.

b2: and if the value of the current matrix element in the current row is the initial value, determining that the current simulation equipment and another simulation equipment in the current matrix element do not form a sub-loop.

b3: each sub-loop formed by the current matrix element is taken as all the sub-loops starting from the current simulation equipment.

And step S303, merging the sub-loops based on the connection relation of each simulation device to obtain an effective loop set. Please refer to step S103 in the embodiment shown in fig. 2 in detail, which is not described herein.

In this embodiment, a loop analysis method of a simulation experiment is provided, and fig. 6 is a flowchart of a loop analysis method of a simulation experiment according to an embodiment of the present invention, as shown in fig. 6, where the flowchart includes the following steps:

step S601, constructing a first connection matrix based on the simulation apparatuses, where the first connection matrix is used to represent connection states between connection nodes of each simulation apparatus. Please refer to step S101 in the embodiment shown in fig. 1 in detail, which is not described herein.

Step S602, determining a sub-loop including the simulation devices based on the first connection matrix. Please refer to step S102 in the embodiment shown in fig. 1 in detail, which is not described herein.

And step S603, merging the sub-loops based on the connection relation of each simulation device to obtain an effective loop set.

Specifically, the step S603 includes:

step S6031, traversing each sub-loop starting from each simulation device, and if at least two sub-loops contain the same simulation device, merging the at least two sub-loops to obtain an effective loop.

Specifically, fig. 7 is a schematic flow chart of the sub-loop combining process according to an embodiment of the present invention, and the step S6031 includes:

s1: the current sub-loop is taken as a processing target.

Specifically, a sub-loop formed by the simulation device of number K1 and the simulation device of number K2 is taken as an example of a processing target.

S2: it is determined whether the same simulation equipment as in the processing target is contained in each sub-loop after the processing target, respectively.

Specifically, it is determined whether the same simulation equipment is contained between the other sub-loop and the sub-loop constituted by the simulation equipment numbered K1 and the simulation equipment numbered K2.

S3: if the simulation equipment is contained in the same processing target, determining a sub-loop containing the simulation equipment which is contained in the processing target as a target loop.

Specifically, when the sub-loop composed of K1 and K2 is used as a processing target, the sub-loop composed of K2 and K3 is used as one of the sub-loops after the processing target, and whether the sub-loop contains the same simulation equipment as that in the processing target is determined; if the matrix element (K2, K1) =the first variation value and (K2, K3) =the first variation value corresponding to the current processing target, determining the sub-loop formed by the simulation device with the number K3 and the simulation device with the number K3 as the target loop. If the matrix element (K2, K1) =the first variation value, (K2, K3) =0 corresponding to the current processing target, the sub-loop composed of K2, K3 does not contain the same simulation equipment as in the processing target, and the sub-loop composed of K2, K3 is skipped.

S4: and adding the simulation equipment in the target loop into a simulation equipment set of an effective loop corresponding to the processing target, and deleting the target loop.

Specifically, the simulation equipment with the number K3 is added into the simulation equipment set of the effective loop corresponding to the processing target, and the sub-loop formed by the simulation equipment with the number K3 and the simulation equipment with the number K3 is deleted.

S5: and determining the next loop of the current sub-loop as a new processing target, and repeatedly executing the steps S1-S5 until each sub-loop is traversed.

And step S6032, when the same simulation equipment does not exist between any two effective loops, constructing the effective loop set based on the current effective loops.

In an alternative of some embodiments, the values of the corresponding matrix elements in the target loop are reset to the second variation value.

Specifically, the merging process may be implemented by using a recursive function, fig. 8 is a schematic flow chart of a recursive process according to an embodiment of the present invention, as shown in fig. 8, where values of elements in a matrix E are represented by values of E (i, j) =a first variation value, and an ith experimental apparatus is connected to a jth experimental apparatus, where the experimental apparatus is the simulation apparatus; e (i, j) =initial value means that the i-th experimental device is disconnected from the j-th experimental device; e (i, i) =second variation value indicates that the i-th experimental equipment has been added to the current loop, and Vi indicates the i-th experimental equipment. As an example, the initial value is 0, the first variation value is 1, and the second variation value is 2. Invoking a recursive function f (j), wherein j=i; if E (j, j) ++! =0, meaning that the current experimental facility has traversed, the recursive function is exited and the call is returned. Otherwise, executing the first step; e (j, j) =2, and j-th experimental fixture Vj is added to all elements of the current loop curLoop traversing the j-th row of matrix E from the i-th column. If the column element is 0, the next column is processed, and if the ith column is 1, all the devices in the curLoop form a loop, and the loop is added into the loop array. If the non-ith column is 1, a recursive function f (j) is invoked, where j=k. All column processing at row j is complete, then the j experimental fixture is deleted from curLoop and E (j, j) =0. The recursive function is exited and the call is returned.

In this embodiment, a loop analysis device based on a simulation experiment is further provided, and the loop analysis device is used to implement the foregoing embodiments and preferred embodiments, and is not described again. As used below, the term "module" may be a combination of software and/or hardware that implements a predetermined function. While the means described in the following embodiments are preferably implemented in software, implementation in hardware, or a combination of software and hardware, is also possible and contemplated.

The present embodiment provides a loop analysis device based on simulation experiments, as shown in fig. 9, including:

a building module 901, configured to build a first connection matrix based on simulation equipment, where the first connection matrix is used to represent a connection state between connection nodes of each simulation equipment;

a determining module 902, configured to determine a sub-loop including the respective simulation apparatuses based on the first connection matrix;

And the merging module 903 is configured to merge the sub-loops based on the connection relationship of the simulation devices, so as to obtain an effective loop set.

According to the loop analysis device based on the simulation experiment, firstly, the first connection matrix is constructed based on the simulation equipment, the connection state between the connection nodes of each simulation equipment is represented by matrix elements, the simulation equipment is simplified into the electrical element with at least two connection nodes, the functions and the attributes of the simulation equipment are ignored, the step of determining the power supply is omitted, the voltage and current changes of the power supply and the associated circuit branches do not need to be checked, the problem that the simulation equipment such as a capacitor and the like in the simulation equipment can be charged and discharged automatically interferes with the determination of the power supply is avoided, and the efficiency and the accuracy of loop analysis are improved. And secondly, determining a sub-loop comprising each simulation equipment based on the first connection matrix, effectively identifying open-circuit and short-circuit simulation devices in the circuit, avoiding interference of the open-circuit and short-circuit simulation devices on the effective circuit, and improving the reliability of loop analysis. And finally, merging the sub-loops based on the connection relation of each simulation device, so that the problem of circuit structure confusion caused by repeated sub-loops in the effective loop is avoided, and the ordering of loop analysis is improved.

In some alternative embodiments, the build module 901 includes:

and the equipment quantity acquisition unit is used for acquiring the equipment quantity of the simulation equipment.

And the first connection matrix unit is used for determining the number of rows and columns of the first connection matrix based on the number of the equipment and creating the first connection matrix.

And the initial value resetting unit is used for setting the values of matrix elements in the first connection matrix as initial values, wherein the matrix elements in each row in the first connection matrix represent the connection states of the connection nodes of the simulation equipment corresponding to the row and the connection nodes of other simulation equipment.

According to the loop analysis device based on the simulation experiment, the number of rows and columns of the first connection matrix is determined based on the number of the devices, the first connection matrix is created, the matrix elements are used for representing the connection states among the connection nodes of all simulation devices, the simulation devices are simplified into electrical elements with at least two connection nodes, functions and attributes of the simulation devices are ignored, the step of determining a power supply is omitted, voltage and current changes of the power supply and associated circuit branches do not need to be checked, the problem that the simulation devices capable of self-charging and discharging such as capacitors in the simulation devices interfere the definite shaping of the power supply is avoided, and the efficiency and accuracy of loop analysis are improved.

In some alternative embodiments, the determining module 902 includes:

and the first connection matrix resetting unit is used for judging the connection relation between the two ends of each wire, and resetting the values of matrix elements of the first connection matrix based on the judgment result to obtain a reset first connection matrix.

And the sub-loop determining unit is used for determining a sub-loop started by the current simulation equipment based on matrix elements in the current row in the reset first connection matrix.

According to the loop analysis device based on the simulation experiment, the sub-loops comprising the simulation equipment are determined through the first connection matrix, so that the simulation devices of the open circuit and the short circuit in the circuit are effectively identified, the interference of the simulation devices of the open circuit and the short circuit to the effective circuit is avoided, and the reliability of loop analysis is improved.

In some alternative embodiments, the first connection matrix resetting unit includes:

and the endpoint judging subunit is used for sequentially judging whether the two ends of each wire are connected with the connecting node and whether the simulation equipment corresponding to the connecting node is the same simulation equipment.

And the first change value resetting subunit is used for resetting the value of the corresponding matrix element in the first connection matrix to a first change value if the two ends of the current lead are connected with the different connection nodes of the simulation equipment.

And the judging skipping subunit is used for judging the end point of the next wire if the two ends of the current wire are not connected with the connecting nodes or the two ends of the current wire are connected with the connecting nodes of the same simulation equipment.

And the endpoint judgment ending subunit is used for obtaining the reset first connection matrix when endpoint judgment is completed on all the wires.

In some alternative embodiments, the sub-loop determination unit comprises:

and the first loop judging subunit is used for determining that the current simulation equipment and another simulation equipment in the current matrix element form a sub-loop if the value of the current matrix element in the current row is the first variation value.

And the second loop judging subunit is used for determining that the current simulation equipment and the other simulation equipment in the current matrix element do not form a sub-loop if the value of the current matrix element in the current row is the initial value.

All sub-loops constitute a sub-unit for taking each sub-loop constituted by the current matrix element as all sub-loops starting with the current simulation equipment.

According to the loop analysis device based on the simulation experiment, the sub-loop started by the current simulation equipment is determined through the value of the current matrix element, the function and the attribute of the simulation equipment are ignored, the step of determining the power supply is omitted, the voltage and current change of the power supply and the associated circuit branch do not need to be checked, the problem that the simulation equipment capable of self-charging and discharging such as a capacitor in the simulation equipment interferes with the determination of the power supply is avoided, and the efficiency and the accuracy of loop analysis are improved.

In some alternative embodiments, the merge module 903 includes:

and the sub-loop merging processing unit is used for traversing all sub-loops starting from all simulation equipment, and merging at least two sub-loops to obtain an effective loop if at least two sub-loops contain the same simulation equipment.

An active loop set constructing unit, configured to construct the active loop set based on each active loop at present when the same simulation equipment does not exist between any two active loops.

According to the loop analysis device based on the simulation experiment, through traversing each sub-loop started by each simulation device, if at least two sub-loops contain the same simulation device, the at least two sub-loops are combined to obtain an effective loop, and when the same simulation device does not exist between any two effective loops, the effective loop set is constructed based on each current effective loop, so that the problem of circuit structure confusion caused by repeated sub-loops in the effective loops is avoided.

In some alternative embodiments, the sub-loop combining processing unit includes:

a processing target determination subunit configured to perform S1: the current sub-loop is taken as a processing target.

The same simulation equipment determining subunit for performing S2: it is determined whether the same simulation equipment as in the processing target is contained in each sub-loop after the processing target, respectively.

A skip processing subunit, configured to execute S3: if the same simulation equipment is contained, determining a sub-loop which contains the same simulation equipment as the processing target as a target loop.

A simulation equipment adding subunit for executing S4: and adding the simulation equipment in the target loop into a simulation equipment set of an effective loop corresponding to the processing target, and deleting the target loop.

A loop subunit for performing S5: and determining the next loop of the current sub-loop as a new processing target, and repeatedly executing the steps S1-S5 until each sub-loop is traversed.

According to the loop analysis device based on the simulation experiment, all the simulation devices connected in a direct or indirect mode can be combined together by traversing all the sub-loops starting from all the simulation devices and combining the sub-loops containing the same simulation devices into one effective loop, so that the problem of disordered circuit structure caused by repeated sub-loops in the effective loop is avoided.

In some alternative embodiments, the merge module 903 further comprises:

and the second change value resetting subunit is used for resetting the value of the corresponding matrix element in the target loop to the second change value.

According to the loop analysis device based on the simulation experiment, the values of the matrix elements corresponding to the target loop are reset to the second change values, so that repeated processing of the combined sub-loops is avoided, and the loop analysis efficiency is improved.

Further functional descriptions of the above respective modules and units are the same as those of the above corresponding embodiments, and are not repeated here.

The loop analysis device based on simulation experiments in this embodiment is presented in the form of functional units, where the units refer to ASIC (Application Specific Integrated Circuit ) circuits, processors and memories executing one or more software or fixed programs, and/or other devices that can provide the above functions.

The embodiment of the invention also provides equipment, which is provided with the loop analysis device based on the simulation experiment shown in the figure 9.

Referring to fig. 10, fig. 10 is a schematic structural diagram of an apparatus according to an alternative embodiment of the present invention, as shown in fig. 10, the apparatus includes: one or more processors 10, memory 20, and interfaces for connecting the various components, including high-speed interfaces and low-speed interfaces. The various components are communicatively coupled to each other using different buses and may be mounted on a common motherboard or in other manners as desired. The processor may process instructions executing within the device, including instructions stored in or on memory to display graphical information of the GUI on an external input/output device, such as a display device coupled to the interface. In some alternative embodiments, multiple processors and/or multiple buses may be used, if desired, along with multiple memories and multiple memories. Also, multiple devices may be connected, each providing a portion of the necessary operations (e.g., as a server array, a set of blade servers, or a multiprocessor system). One processor 10 is illustrated in fig. 10.

The processor 10 may be a central processor, a network processor, or a combination thereof. The processor 10 may further include a hardware chip, among others. The hardware chip may be an application specific integrated circuit, a programmable logic device, or a combination thereof. The programmable logic device may be a complex programmable logic device, a field programmable gate array, a general-purpose array logic, or any combination thereof.

Wherein the memory 20 stores instructions executable by the at least one processor 10 to cause the at least one processor 10 to perform the methods shown in implementing the above embodiments.

The memory 20 may include a storage program area that may store an operating system, at least one application program required for functions, and a storage data area; the storage data area may store data created according to the use of the device, etc. In addition, the memory 20 may include high-speed random access memory, and may also include non-transitory memory, such as at least one magnetic disk storage device, flash memory device, or other non-transitory solid-state storage device. In some alternative embodiments, memory 20 may optionally include memory located remotely from processor 10, which may be connected to the device via a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.

Memory 20 may include volatile memory, such as random access memory; the memory may also include non-volatile memory, such as flash memory, hard disk, or solid state disk; the memory 20 may also comprise a combination of the above types of memories.

The device also includes a communication interface 30 for the device to communicate with other devices or communication networks.

The embodiments of the present invention also provide a computer readable storage medium, and the method according to the embodiments of the present invention described above may be implemented in hardware, firmware, or as recordable storage medium, or as first computer code stored in a remote storage medium or a non-transitory machine-readable storage medium and to be stored in a local storage medium downloaded through a network, so that the method described herein may be stored on such software processes on a storage medium using a general purpose computer, a special purpose processor, or programmable or dedicated hardware. The storage medium can be a magnetic disk, an optical disk, a read-only memory, a random access memory, a flash memory, a hard disk, a solid state disk or the like; further, the storage medium may also comprise a combination of memories of the kind described above. It will be appreciated that a computer, processor, microprocessor controller or programmable hardware includes a storage element that can store or receive software or computer code that, when accessed and executed by the computer, processor or hardware, implements the methods illustrated by the above embodiments.

Although embodiments of the present invention have been described in connection with the accompanying drawings, various modifications and variations may be made by those skilled in the art without departing from the spirit and scope of the invention, and such modifications and variations fall within the scope of the invention as defined by the appended claims.

Claims

1. A loop analysis method based on simulation experiments, the method comprising:

constructing a first connection matrix based on the simulation equipment, wherein the first connection matrix is used for representing the connection state between the connection nodes of each simulation equipment;

determining a sub-loop containing the respective simulation equipment based on the first connection matrix;

and merging the sub-loops based on the connection relation of each simulation device to obtain an effective loop set.

2. The method of claim 1, wherein constructing the first connection matrix based on the simulation equipment comprises:

acquiring the quantity of the simulation equipment;

determining the number of rows and columns of the first connection matrix based on the number of equipment, and creating the first connection matrix;

and setting the values of matrix elements in the first connection matrix as initial values, wherein the matrix elements in each row in the first connection matrix represent the connection states of the connection nodes of the simulation equipment corresponding to the row and the connection nodes of other simulation equipment.

3. The method of claim 2, wherein the determining a sub-loop containing the respective simulation equipment based on the first connection matrix comprises:

judging the connection relation between two ends of each wire, and resetting the values of matrix elements of the first connection matrix based on the judgment result to obtain a reset first connection matrix;

determining a sub-loop starting with the current simulation equipment based on matrix elements in the current row in the reset first connection matrix.

4. The method of claim 3, wherein the determining the connection relationship between the two ends of each wire, and resetting the values of the matrix elements of the first connection matrix based on the determination result, to obtain the reset first connection matrix, comprises:

sequentially judging whether two ends of each wire are connected with the connecting node and whether simulation equipment corresponding to the connecting node is the same simulation equipment;

resetting the value of the corresponding matrix element in the first connection matrix to a first change value if the two ends of the current lead are connected with the different connection nodes of the simulation equipment;

if the two ends of the current lead are not connected with the connecting nodes, or the two ends of the current lead are connected with the connecting nodes of the same simulation equipment, judging the end point of the next lead;

And when the endpoint judgment is completed on all the wires, obtaining the reset first connection matrix.

5. The method of claim 4, wherein the determining a sub-loop starting with a current simulation fixture based on matrix elements in a current row in the reset first connection matrix comprises:

if the value of the current matrix element in the current row is the first variation value, determining that the current simulation equipment and another simulation equipment in the current matrix element form a sub-loop;

if the value of the current matrix element in the current row is the initial value, determining that the current simulation equipment and another simulation equipment in the current matrix element do not form a sub-loop;

each sub-loop formed by the current matrix element is taken as all the sub-loops starting from the current simulation equipment.

6. The method according to claim 5, wherein the merging the sub-loops based on the connection relation of the simulation devices to obtain an effective loop set includes:

traversing all sub-loops starting from all simulation equipment, and if at least two sub-loops contain the same simulation equipment, merging the at least two sub-loops to obtain an effective loop;

When the same simulation equipment does not exist between any two effective loops, the effective loop set is constructed based on the current effective loops.

7. The method of claim 6, wherein traversing each sub-loop starting with each simulation device, if at least two sub-loops contain the same simulation device, combining the at least two sub-loops to obtain an active loop, comprises:

s1: taking the current sub-loop as a processing target;

s2: determining whether each sub-loop after the processing target contains the same simulation equipment as the processing target;

s3: if the simulation equipment is contained, determining a sub-loop which contains the same simulation equipment as the processing target as a target loop;

s4: adding the simulation equipment in the target loop into a simulation equipment set of an effective loop corresponding to the processing target, and deleting the target loop;

8. The method of claim 7, wherein the adding the simulation equipment in the target loop to a set of simulation equipment for a corresponding active loop of the process target and deleting the target loop further comprises:

Resetting the value of the corresponding matrix element in the target loop to a second variation value.

9. A loop analysis device based on simulation experiments, the device comprising:

the building module is used for building a first connection matrix based on the simulation equipment, and the first connection matrix is used for representing the connection state between the connection nodes of each simulation equipment;

a determining module, configured to determine a sub-loop including the respective simulation apparatuses based on the first connection matrix;

and the merging module is used for merging the sub-loops based on the connection relation of each simulation device to obtain an effective loop set.

10. An apparatus, comprising:

a memory and a processor, the memory and the processor being communicatively connected to each other, the memory having stored therein computer instructions, the processor executing the computer instructions to perform the simulation experiment based loop analysis method of any one of claims 1 to 7.

11. A computer-readable storage medium having stored thereon computer instructions for causing a computer to perform the loop analysis method based on simulation experiments according to any one of claims 1 to 7.