A method for optimizing design of interface coupling circuit

Abstract

The present invention provides an interface coupling circuit optimization design method. Determine the driving power supply and driving load of the front and rear stages of the interface coupling circuit, and couple the driving power supply and the driving load; according to the coupling connection, perform circuit signal transmission, obtain signal transmission data, analyze and calculate the data difference between the front and rear stages of the signal transmission, and obtain difference data; based on the difference data, perform difference data optimization correction, and obtain correction data; perform high-frequency compensation processing on the loss transmission signal, obtain signal compensation data, simulate and design the interface coupling circuit based on the signal compensation data, and generate the interface coupling circuit. The present invention optimizes and corrects the signal difference transmitted by the coupling circuit, performs compensation processing on the transmitted signal, and optimizes the interface coupling circuit according to the designed interface coupling circuit model.

Description

Technical Field

[0001] The present invention relates to the technical field of coupling circuits, and in particular to an interface coupling circuit optimization design method. Background Art

[0002] At present, in the prior art, coupling circuit elements is a common technical means in the field of electricity, but the existing coupling method connects the DC paths between the various levels, thus causing signal delays in the process of transmitting signals, resulting in the loss of the high-frequency part of the signal. The emergence of this problem causes errors in signal transmission and inaccurate signal transmission. For example, in CN202110932472-an interface coupling circuit optimization design method and a motor simulation test system, the coupling circuit optimization method involved is to optimize the coupling circuit by introducing a particle swarm optimization method that calculates the optimal interface circuit parameter value using a fitness threshold mechanism, but this method only optimizes the parameters and ignores the errors that will occur when calculating the parameters. At the same time, the method involves obtaining the technology of determining the global optimal position of the particle position with smaller inductance, which is difficult to achieve, because the charged particles are very small, and it is very difficult to determine their specific positions, and only the approximate positions of the particles can be determined. Therefore, the coupling circuit optimization by this method has errors and is difficult to achieve. Summary of the invention

[0003] The present invention provides an interface coupling circuit optimization design method to solve the above-mentioned problem. The present invention optimizes and corrects the signal difference transmitted by the coupling circuit, and performs compensation processing on the transmitted signal and optimizes the interface coupling circuit according to the designed interface coupling circuit model.

[0004] An interface coupling circuit optimization design method, comprising:

[0005] Determine the driving power supply and driving load of the front and rear stages of the interface coupling circuit, and couple the driving power supply and the driving load;

[0006] According to the coupling connection, circuit signal transmission is performed to obtain signal transmission data, and the data difference between the two stages before and after the signal transmission is analyzed and calculated to obtain difference data;

[0007] Based on the difference data, performing difference data optimization correction to obtain correction data;

[0008] A high-frequency compensation process is performed on the lost transmission signal to obtain signal compensation data, and an interface coupling circuit is simulated and designed based on the signal compensation data to generate an interface coupling circuit.

[0009] As an embodiment of the present invention: the step of determining the driving power supply and the driving load of the front and rear stages of the interface coupling circuit, and coupling the driving power supply and the driving load, includes:

[0010] Determine the circuit front-stage driving power supply and the circuit back-stage driving load according to the preset connection mode and preset components of the interface coupling circuit;

[0011] The preset connection mode and preset components include: circuit input mode, circuit output mode, circuit element specifications and circuit element functions;

[0012] Optimize the interface terminals of the interface coupling circuit and set the interface connection mode of the front and rear two-stage interface coupling circuits;

[0013] Wherein, the interface terminals include: a data terminal, a ground terminal and a power terminal;

[0014] Based on the interface connection mode, perform an interface coupling circuit connectivity test and obtain a test result;

[0015] When the test result is unqualified, the interface coupling circuit is checked and the interface coupling circuit is reconnected according to the check result;

[0016] When the test result is qualified, the driving power supply and the driving load are coupled and connected through the interface of the interface coupling circuit.

[0017] As an embodiment of the present invention: according to the coupling connection, circuit signal transmission is performed, signal transmission data is obtained, and the data difference between the two stages before and after the signal transmission is analyzed and calculated to obtain the difference data, including:

[0018] Based on the interface connection mode of setting the front and rear two-stage interface coupling circuits, the interface coupling circuit is connected, the circuit signal is transmitted through the connected circuit, and the signal transmission data is obtained;

[0019] According to the signal transmission data, the transmission signal data of the previous stage circuit and the transmission signal data of the subsequent stage circuit are compared to obtain a data comparison result;

[0020] According to the data comparison result, a signal loss value is obtained through a coupler, and a signal loss analysis is performed based on the signal loss value to obtain an analysis result;

[0021] Wherein, the signal loss value includes: insertion loss value, coupling loss value and dielectric loss value;

[0022] When the analysis result is unreasonable, the coupler is repaired and the signal loss value is re-obtained;

[0023] When the analysis result is reasonable, based on the obtained signal loss value, the difference calculation is performed on the data of the two stages before and after the signal transmission to obtain the difference data.

[0024] As an embodiment of the present invention: the interface connection mode of setting the front and rear two-stage interface coupling circuits, performing interface coupling circuit connection, performing circuit signal transmission through the connected circuit, and obtaining signal transmission data, includes:

[0025] Based on the interface connection mode of the front and rear two-stage interface coupling circuits, complexity analysis is performed on the interface of the interface coupling circuit to obtain analysis results;

[0026] According to the analysis result, determining whether the coupling mode is loose coupling or tight coupling, and obtaining a determination result;

[0027] According to the judgment result, circuit coupling degree data is obtained through a coupler, and data adjustment is performed on the circuit coupling degree data;

[0028] The data adjustment includes: performing data constraint adjustment processing on data with a large coupling degree to obtain constraint coupling degree data;

[0029] The data with small coupling degree is stored to determine the data with small coupling degree;

[0030] Based on the constraint coupling degree data and the small coupling degree data, the complexity of the circuit coupling interface is optimized, and the complexity of the interface of the interface coupling circuit is improved to determine the connection mode of the improved interface;

[0031] According to the connection mode of the improved interface, the interface coupling circuit performance is tested to determine the interface coupling circuit performance data, and the circuit connection is performed according to the interface coupling circuit performance data, and the signal transmission is performed based on the circuit connection to obtain the signal transmission data;

[0032] The interface coupling circuit performance includes: understandability, testability, reliability and understandability.

[0033] As an embodiment of the present invention: performing optimization correction of the difference data based on the difference data to obtain correction data includes:

[0034] Based on the difference data, determining signal loss wavelength data and signal loss frequency data;

[0035] Performing data optimization and correction processing according to the signal loss wavelength data and the signal loss frequency data to obtain a processing result;

[0036] The data optimization correction process includes: optimizing the signal loss wavelength threshold and optimizing the signal loss frequency threshold;

[0037] The steps of data optimization and correction processing include: determining a signal loss wavelength threshold and determining a signal loss frequency threshold;

[0038] According to the signal loss wavelength threshold and the signal loss frequency threshold, the threshold boundary data are adjusted in opposite directions;

[0039] Wherein, the reference data for the relative convergence adjustment is the threshold center point data;

[0040] Based on the convergence adjustment, determining an optimal signal loss wavelength threshold and an optimal signal loss frequency threshold;

[0041] According to the optimal signal loss wavelength threshold and the optimal signal loss frequency threshold, optimizing the initial transmission signal, performing an anti-interference operation on the optimized initial transmission signal, and obtaining a low-interference initial transmission signal;

[0042] Storing data of the low-interference initial transmission signal to obtain optimized data of the initial transmission signal;

[0043] The optimization data is calibrated and compared with the optimal signal loss wavelength threshold and the optimal signal loss frequency threshold to obtain correction data.

[0044] As an embodiment of the present invention: the performing of the anti-interference operation on the optimized initial transmission signal includes:

[0045] Determining the energy of the initial transmission signal and performing an anti-interference operation on the initial transmission signal;

[0046] Based on the anti-interference operation, obtaining an anti-interference parameter;

[0047] The anti-interference parameters include: grounding anti-interference parameters, shielding anti-interference parameters, distance anti-interference parameters, and signal coding anti-interference parameters;

[0048] According to the anti-interference parameter, an anti-interference parameter-initial transmission signal energy adjustment rule is formulated to obtain a low-interference initial transmission signal;

[0049] Based on the low-interference initial transmission signal, data of interference to the initial transmission signal before and after the anti-interference operation is performed is determined, and anti-interference capability is evaluated based on the data to obtain an evaluation result.

[0050] As an embodiment of the present invention: the formulation of the anti-interference parameter-initial transmission signal energy adjustment rule includes:

[0051] It is stipulated that the energy of the initial transmission signal after the anti-interference operation is within a reasonable range, wherein the coupling circuit is grounded and the initial signal loss energy is adjusted within a reasonable range based on the grounding anti-interference parameter;

[0052] Shield the coupling circuit from external magnetic fields, and adjust the initial signal loss energy within a reasonable range based on the shielding anti-interference parameters;

[0053] Adjust the distance between the front and rear circuits in the coupling circuit, and adjust the initial signal loss energy within a reasonable range based on the distance anti-interference parameter;

[0054] The signal encoding method in the coupling circuit is improved, and based on the signal encoding anti-interference parameters, the initial signal loss energy is adjusted within a reasonable range.

[0055] As an embodiment of the present invention: the high-frequency compensation processing is performed on the lost transmission signal, signal compensation data is obtained, and based on the signal compensation data, the interface coupling circuit is simulated and designed, and the interface coupling circuit is generated, including:

[0056] Analyze the lost signal wavelength and signal frequency according to the signal loss value, determine the wavelength phase difference of the loss signal according to the signal wavelength, and determine the frequency amplitude of the loss signal according to the signal frequency;

[0057] Based on the frequency amplitude of the loss signal, plotting a frequency amplitude curve graph of the loss signal;

[0058] According to the wavelength phase difference and the frequency amplitude curve diagram, high-frequency compensation processing is performed on the transmission signal to obtain compensation data of the signal wavelength and frequency;

[0059] Based on the compensation data and the obtained correction data, the energy required by the input signal is analyzed and calculated, and the coupling circuit is adjusted according to the energy required by the input signal to obtain a processing result;

[0060] According to the processing result, an interface coupling circuit simulation is performed to obtain a coupling circuit model; based on the coupling circuit model, a coupling circuit connection is performed to generate an interface coupling circuit.

[0061] As an embodiment of the present invention: the high-frequency compensation processing of the lost transmission signal includes:

[0062] According to the determined wavelength phase difference and frequency amplitude curve of the loss signal, the wavelength data and frequency data of the loss signal are obtained through data calculation;

[0063] Based on the wavelength data and the frequency data, obtaining high-frequency compensation data required for the loss signal by calculation;

[0064] According to the high-frequency compensation data, frequency compensation is performed on the loss part of the transmission signal by a linear equalization method, and a frequency compensation result is obtained;

[0065] A desired output signal is obtained according to the frequency compensation result.

[0066] As an embodiment of the present invention: performing interface coupling circuit simulation and obtaining a coupling circuit model includes:

[0067] Determine an interface coupling circuit, perform buffering processing on the interface coupling circuit, and perform protection processing on the circuit through a passive filter to obtain a stable coupling circuit;

[0068] Based on the stable coupling circuit, the common mode voltage and current in the circuit are limited to obtain a low crosstalk stable coupling circuit;

[0069] According to the low crosstalk stable coupling circuit, a transmission line for transmitting a signal of a corresponding matching coupling circuit is used to transmit the signal through a transmission line technology to obtain an interference-free transmission signal;

[0070] Based on the low crosstalk stable coupling circuit and the interference-free transmission signal, an interface coupling circuit simulation is performed to obtain a coupling circuit model.

[0071] Other features and advantages of the present invention will be described in the following description, and partly become apparent from the description, or understood by practicing the present invention. The purpose and other advantages of the present invention can be realized and obtained by the structures particularly pointed out in the written description and the accompanying drawings.

[0072] The technical solution of the present invention is further described in detail below through the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0073] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0074] Figure 1 A flowchart of an interface coupling circuit optimization design method according to an embodiment of the present invention;

[0075] Figure 2 A schematic diagram of a coupler interface connection in an interface coupling circuit optimization design method according to an embodiment of the present invention;

[0076] Figure 3 The present invention is a flowchart of a high-frequency compensation method of an interface coupling circuit optimization design method in an embodiment of the present invention. DETAILED DESCRIPTION

[0077] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0078] Embodiment 1:

[0079] As attached Figure 1 The embodiment of the present invention provides an interface coupling circuit optimization design method, comprising:

[0080] Determine the driving power supply and driving load of the front and rear stages of the interface coupling circuit, and couple the driving power supply and the driving load;

[0081] According to the coupling connection, circuit signal transmission is performed to obtain signal transmission data, and the data difference between the two stages before and after the signal transmission is analyzed and calculated to obtain difference data;

[0082] Based on the difference data, performing difference data optimization correction to obtain correction data;

[0083] Performing high-frequency compensation processing on the lost transmission signal to obtain signal compensation data, simulating and designing an interface coupling circuit based on the signal compensation data, and generating an interface coupling circuit;

[0084] The working principle of the above technical solution is: the DC paths between the various levels are connected by coupling. Although circuit coupling can realize signal transmission and energy transmission, the coupling method will cause signal delay in the process of signal transmission, resulting in the loss of the high-frequency part of the signal. The emergence of this problem makes the signal transmission error and inaccurate. In the prior art, the coupling circuit optimization method involved is to optimize the coupling circuit by introducing a particle swarm optimization method that calculates the optimal interface circuit parameter value with a fitness threshold mechanism, but this method only optimizes the parameters and ignores the errors that will be generated when calculating the parameters. At the same time, the technology involved in this method to determine the global optimal position of the particle position with smaller inductance is difficult to achieve, because the charged particles are very small and it is very difficult to determine their specific positions. Only the approximate positions of the particles can be determined. Therefore, there are errors in coupling circuit optimization by this method.

[0085] This technology optimizes the interface between the front and rear stages of the coupling circuit, then connects the driving power supply and driving load of the front and rear stages of the circuit through the interface, calculates and analyzes the data difference between the front and rear stages of the circuit during the signal transmission process of the interface coupling circuit, optimizes and corrects the data difference, and performs high-frequency compensation for the signal loss due to signal transmission in the coupling circuit, and then simulates and designs the interface coupling circuit model based on the data obtained by calculation;

[0086] The beneficial effects of the above technical solution are as follows: this technology optimizes and corrects the signal difference transmitted by the coupling circuit, and performs compensation processing on the transmitted signal and, based on the designed interface coupling circuit model, can improve the signal loss problem that occurs during signal transmission in the prior art, and improve the interference of environmental factors on the transmitted signal. The interface coupling circuit is optimized by correcting the data difference of the transmission signal and designing the interface coupling circuit model.

[0087] Embodiment 2:

[0088] In one embodiment, the step of determining the driving power supply and the driving load of the front and rear stages of the interface coupling circuit and coupling the driving power supply and the driving load comprises:

[0089] Determine the circuit front-stage driving power supply and the circuit back-stage driving load according to the preset connection mode and preset components of the interface coupling circuit;

[0090] The preset connection mode and preset components include: circuit input mode, circuit output mode, circuit element specifications and circuit element functions;

[0091] Optimize the interface terminals of the interface coupling circuit and set the interface connection mode of the front and rear two-stage interface coupling circuits;

[0092] Wherein, the interface terminals include: a data terminal, a ground terminal and a power terminal;

[0093] Based on the interface connection mode, perform an interface coupling circuit connectivity test and obtain a test result;

[0094] When the test result is unqualified, the interface coupling circuit is checked and the interface coupling circuit is reconnected according to the check result;

[0095] When the test result is qualified, the driving power supply and the driving load are coupled and connected through the interface of the interface coupling circuit;

[0096] The working principle of the above technical solution is as follows: in the prior art, an interface coupling circuit is constructed by L-type and LCL filter circuits, and based on the assumption that the amount of low-frequency harmonics introduced by the motor simulator is the same as the amount of low-frequency harmonics introduced by the motor controller to be tested, although this method can serve as a comparative reference, because the motor simulator and the motor controller to be tested have different powers and functions, there will be errors in this assumption. However, this technology optimizes and improves the interface of the coupling circuit, thereby eliminating certain errors at the beginning of the interface coupling circuit, so that the interface coupling circuit can be reasonably optimized by gradually reducing the errors. In addition, this technology optimizes the data terminals, ground terminals and power terminals of the interface coupling circuit according to the determined front and rear driving power supplies and driving loads of the coupling circuit, and sets the coupling circuit interface connection mode, which can ensure the integrity of the interface coupling circuit, and then conduct a connectivity test of the interface coupling circuit to obtain an interface coupling circuit that can transport signals and has good connectivity.

[0097] The beneficial effects of the above technical solution are: by optimizing the interface of the coupling circuit, the error caused by the connection between the front and rear circuits can be eliminated, and the interface coupling circuit connection method set can facilitate rapid signal transmission, and the connectivity test of the interface coupling circuit can ensure the safety and stability of the circuit.

[0098] Embodiment 3:

[0099] In one embodiment, according to the coupling connection, circuit signal transmission is performed, signal transmission data is obtained, and the data difference between the two stages before and after the signal transmission is analyzed and calculated to obtain the difference data, including:

[0100] Based on the interface connection mode of setting the front and rear two-stage interface coupling circuits, the interface coupling circuit is connected, the circuit signal is transmitted through the connected circuit, and the signal transmission data is obtained;

[0101] According to the signal transmission data, the transmission signal data of the previous stage circuit and the transmission signal data of the subsequent stage circuit are compared to obtain a data comparison result;

[0102] According to the data comparison result, a signal loss value is obtained through a coupler, and a signal loss analysis is performed based on the signal loss value to obtain an analysis result;

[0103] Wherein, the signal loss value includes: insertion loss value, coupling loss value and dielectric loss value;

[0104] When the analysis result is unreasonable, the coupler is repaired and the signal loss value is re-obtained;

[0105] When the analysis result is reasonable, based on the obtained signal loss value, the difference between the data of the two stages before and after the signal transmission is calculated to obtain the difference data;

[0106] The working principle of the above technical solution is as follows: In the prior art, there is no difference calculation of the transmission signals before and after the coupling circuit, so the prior art does not calculate the signal of loss caused by the transmission of the transmission signal in the coupling circuit, which leads to errors in the optimization of the interface coupling circuit by the prior art calculation and may cause the optimized circuit to be not ideal. However, this technology extracts the data of the transmission signals before and after the circuit, and then performs difference calculation on the extracted signal data, so that the transmission signal lost in the process of signal transmission can be obtained;

[0107] The beneficial effect of the above technical solution is: by calculating the difference between the transmission signals before and after the coupling circuit, the signal data lost during the signal transmission process can be compared, so that the interface coupling circuit can be optimized and improved according to the obtained loss data.

[0108] Embodiment 4:

[0109] In one embodiment, the interface connection mode of setting the front and rear two-stage interface coupling circuits, performing interface coupling circuit connection, performing circuit signal transmission through the connected circuits, and obtaining signal transmission data includes:

[0110] Based on the interface connection mode of the front and rear two-stage interface coupling circuits, complexity analysis is performed on the interface of the interface coupling circuit to obtain analysis results;

[0111] According to the analysis result, determining whether the coupling mode is loose coupling or tight coupling, and obtaining a determination result;

[0112] According to the judgment result, the circuit coupling degree data is obtained through the coupler, and the circuit coupling degree data is adjusted; the coupler interface of the present invention is as shown in the attached Figure 2 shown.

[0113] The data adjustment includes: performing data constraint adjustment processing on data with a large coupling degree to obtain constraint coupling degree data;

[0114] The data with small coupling degree is stored to determine the data with small coupling degree;

[0115] Based on the constraint coupling degree data and the small coupling degree data, the complexity of the circuit coupling interface is optimized, and the complexity of the interface of the interface coupling circuit is improved to determine the connection mode of the improved interface;

[0116] According to the connection mode of the improved interface, the interface coupling circuit performance is tested to determine the interface coupling circuit performance data, and the circuit connection is performed according to the interface coupling circuit performance data, and the signal transmission is performed based on the circuit connection to obtain the signal transmission data;

[0117] Wherein, the interface coupling circuit performance includes: understandability, testability, reliability and understandability;

[0118] The working principle of the above technical solution is as follows: the prior art directly optimizes and improves the components inside the circuit, but such improvement is not comprehensive enough. The prior art ignores the importance of the coupling circuit interface. However, this technology optimizes and improves the interface of the coupling circuit at the beginning of optimizing the design of the interface coupling circuit. This technology analyzes the complexity of the interface, and then analyzes and judges the coupling degree of the coupling circuit according to the complexity of the interface. According to the obtained coupling degree, the coupling degree can be limited and the coupling degree can be reasonably reduced. In this way, the complexity of the interface can be improved with a low coupling degree, thereby setting a suitable connection method of the interface coupling circuit;

[0119] The beneficial effect of the above technical solution is: determining a suitable connection method of the interface coupling circuit is a necessary process for optimizing and improving the design of the interface coupling circuit. This technology analyzes the complexity of the interface, and then constrains or extracts coupling degree data based on the complexity of the interface, and then improves the coupling circuit interface, thereby reducing signal loss.

[0120] Embodiment 5:

[0121] In one embodiment, to obtain coupling degree data through a coupler, it is necessary to calculate the power value relationship of the coupler port in the interface coupling circuit. The specific calculation formula is as follows:

[0122] P in =P c +P out

[0123] Right now

[0124] Among them, P in Indicates the power value of the coupler input port; P out Indicates the power value of the coupler output port; P c Indicates the power value of the coupler coupling port;

[0125] The power value of the coupler port is used for calculation, and the calculation relationship of the port power value is given, and then the coupling degree data is calculated by the above calculated port power value:

[0126] Coupling

[0127] Then, based on the calculated coupling degree data and insertion loss data, the calculation relationship between the two is given:

[0128] in, It means that the logarithm with base 10 is calculated for the power ratio;

[0129] Then adjust the high coupling value to a smaller limit:

[0130]

[0131] Among them, β min Indicates the minimum coupling value within a reasonable range; β max Indicates the maximum coupling value within a reasonable range;

[0132] The working principle of the above technical solution is: in order to calculate the coupling degree data, it is necessary to extract the power value of each port of the coupler, and then the relationship between the power values ​​of each port can be obtained by calculation based on the power value of the obtained port: Then, the coupling degree and insertion loss are further calculated based on the obtained relationship. The coupling degree is the judgment data of the interface complexity in the interface coupling circuit. Then, the obtained coupling degree value is limited, and the excessive coupling degree value is reduced within a reasonable range. In this way, more signals and energy can be obtained in the next-level circuit, thereby reducing signal loss.

[0133] The beneficial effects of the above technical solution are: through the above power calculation and the calculation of coupling degree and insertion loss, the interface complexity of the interface coupling circuit can be optimized and improved, and the coupling degree can be limited to reduce signal loss.

[0134] Embodiment 6:

[0135] In one embodiment, performing optimization correction of the difference data based on the difference data to obtain correction data includes:

[0136] Based on the difference data, determining signal loss wavelength data and signal loss frequency data;

[0137] Performing data optimization and correction processing according to the signal loss wavelength data and the signal loss frequency data to obtain a processing result;

[0138] The data optimization correction process includes: optimizing the signal loss wavelength threshold and optimizing the signal loss frequency threshold;

[0139] The steps of data optimization and correction processing include: determining a signal loss wavelength threshold and determining a signal loss frequency threshold;

[0140] According to the signal loss wavelength threshold and the signal loss frequency threshold, the threshold boundary data are adjusted in opposite directions;

[0141] Wherein, the reference data for the relative convergence adjustment is the threshold center point data;

[0142] Based on the convergence adjustment, determining an optimal signal loss wavelength threshold and an optimal signal loss frequency threshold;

[0143] According to the optimal signal loss wavelength threshold and the optimal signal loss frequency threshold, optimizing the initial transmission signal, performing an anti-interference operation on the optimized initial transmission signal, and obtaining a low-interference initial transmission signal;

[0144] Storing data of the low-interference initial transmission signal to obtain optimized data of the initial transmission signal;

[0145] Perform correction and comparison calculation on the optimization data and the optimal signal loss wavelength threshold and the optimal signal loss frequency threshold to obtain correction data;

[0146] The working principle of the above technical solution is as follows: the coupling circuit optimization method in the prior art is to optimize the coupling circuit by introducing a particle swarm optimization with a fitness threshold mechanism to calculate the optimal interface circuit parameter value, but this method only optimizes the parameters and thus ignores the errors that will occur when calculating the parameters. At the same time, the technology involved in this method to determine the global optimal position of particles with smaller inductance is difficult to achieve, because charged particles are very small and it is very difficult to determine their specific positions, and only the approximate positions of the particles can be determined. However, this technology optimizes and corrects the difference data of the two-stage signals before and after the coupling circuit, so this technology is more reasonable. This technology determines the wavelength threshold and frequency threshold of the loss signal according to the signal difference, and then further optimizes the wavelength threshold and frequency threshold of the loss signal. The method for optimizing the threshold is to use the center data of the threshold as the reference point of the threshold boundary data, and then perform data control on the data of the threshold boundary and the center data point of the threshold at the same time. Since the boundary data is distributed on both sides of the threshold center data, the data distributed on both sides of the center data are converged inward. After the threshold boundary value is adjusted to converge inward, an optimized threshold will be obtained, so that the optimal wavelength threshold and the optimal frequency threshold of the loss signal are obtained, and the initial transmission signal is subjected to anti-interference operation to optimize the initial transmission signal. Through the above optimization operation, data correction comparison calculation is performed to obtain the correction data;

[0147] The beneficial effect of the above technical solution is: by determining the wavelength data and frequency data of the loss signal, and then further optimizing and correcting the wavelength data and frequency data, the optimal wavelength threshold and frequency threshold of the loss signal can be obtained, so that the corrected data can be obtained by comparing and calculating the threshold and the initial transmission signal, so as to provide parameter data for subsequent optimization and improvement of the interface coupling circuit.

[0148] Embodiment 7:

[0149] In one embodiment, performing an anti-interference operation on the optimized initial transmission signal includes:

[0150] Determining the energy of the initial transmission signal and performing an anti-interference operation on the initial transmission signal;

[0151] Based on the anti-interference operation, obtaining an anti-interference parameter;

[0152] The anti-interference parameters include: grounding anti-interference parameters, shielding anti-interference parameters, distance anti-interference parameters, and signal coding anti-interference parameters;

[0153] According to the anti-interference parameter, an anti-interference parameter-initial transmission signal energy adjustment rule is formulated to obtain a low-interference initial transmission signal;

[0154] Based on the low-interference initial transmission signal, determine data of interference to the initial transmission signal before and after the anti-interference operation, and perform anti-interference capability evaluation based on the data to obtain an evaluation result;

[0155] The working principle of the above technical solution is as follows: In the prior art, in the LCL filter circuit, if the damping resistance is too small, it will cause current oscillation, thereby affecting the simulation accuracy, and if the damping resistance is too large, it will affect the stability of the system. The prior art considers that if the damping resistance is too large, it will reduce the system's suppression of high-frequency harmonics, so it chooses to use parameter calculation to meet the simulation accuracy requirements. However, although the prior art can improve the accuracy through the above method, because there are still electromagnetic factors in the environment that interfere with the transmission signal in the circuit, the prior art is not comprehensive enough. However, in order to eliminate the factors in the environment that affect the transmission signal, the initial transmission signal of the transmission signal is subjected to anti-interference operation, so that a low-interference initial transmission signal can be obtained, and the present technology also evaluates the obtained low-interference initial transmission signal, so that the anti-interference operation can be improved according to the evaluation results, thereby further optimizing the interface coupling circuit;

[0156] The beneficial effect of the above technical solution is: by performing anti-interference operations on the transmission signal, the stability and accuracy of the transmission signal can be guaranteed, and the interference of the external environment on the transmission signal can be eliminated, so that the data for optimizing and improving the interface coupling circuit is more realistic.

[0157] Embodiment 8:

[0158] In one embodiment, the formulating of the anti-interference parameter-initial transmission signal energy adjustment rule includes:

[0159] It is stipulated that the energy of the initial transmission signal after the anti-interference operation is within a reasonable range, wherein the coupling circuit is grounded and the initial signal loss energy is adjusted within a reasonable range based on the grounding anti-interference parameter;

[0160] Shield the coupling circuit from external magnetic fields, and adjust the initial signal loss energy within a reasonable range based on the shielding anti-interference parameters;

[0161] Adjust the distance between the front and rear circuits in the coupling circuit, and adjust the initial signal loss energy within a reasonable range based on the distance anti-interference parameter;

[0162] Improve the signal encoding method in the coupling circuit, and adjust the initial signal loss energy within a reasonable range based on the signal encoding anti-interference parameters;

[0163] The working principle of the above technical solution is: the prior art does not involve anti-interference operation of the coupling circuit, nor does it adjust the initial transmission signal energy corresponding to the above anti-interference operation, so the prior art lacks adjustment of the transmission signal energy. In this technology, the anti-interference parameter-initial transmission signal energy adjustment rule is formulated, and then the anti-interference process is executed according to the obtained anti-interference parameters, and the initial signal loss energy is adjusted within a reasonable range according to the grounding anti-interference parameter, shielding anti-interference parameter, distance anti-interference parameter and signal coding anti-interference parameter;

[0164] The beneficial effect of the above technical solution is: by formulating the anti-interference parameter-initial transmission signal energy adjustment rule, it is equivalent to further restricting the transmission signal anti-interference operation and the adjustment of the initial transmission signal energy under the corresponding operation, so that the initial signal loss energy can be more quickly within a reasonable range.

[0165] Embodiment 9:

[0166] In one embodiment, the high-frequency compensation processing is performed on the lost transmission signal, signal compensation data is obtained, and based on the signal compensation data, an interface coupling circuit is simulated and designed, and the interface coupling circuit is generated, including:

[0167] Analyze the lost signal wavelength and signal frequency according to the signal loss value, determine the wavelength phase difference of the loss signal according to the signal wavelength, and determine the frequency amplitude of the loss signal according to the signal frequency;

[0168] Based on the frequency amplitude of the loss signal, plotting a frequency amplitude curve graph of the loss signal;

[0169] According to the wavelength phase difference and the frequency amplitude curve diagram, high-frequency compensation processing is performed on the transmission signal to obtain compensation data of the signal wavelength and frequency;

[0170] Based on the compensation data and the obtained correction data, the energy required by the input signal is analyzed and calculated, and the coupling circuit is adjusted according to the energy required by the input signal to obtain a processing result;

[0171] According to the processing result, an interface coupling circuit simulation is performed to obtain a coupling circuit model, and based on the coupling circuit model, a coupling circuit connection is performed to generate an interface coupling circuit;

[0172] The working principle of the above technical solution is: the prior art does not involve compensation processing of the transmission signal in the coupling circuit, nor does it involve designing an interface coupling circuit model based on the compensation data and correction data of the transmission signal. However, the present technology has the above technology, which not only analyzes the wavelength and frequency of the transmission signal loss, but also further compensates the signal according to the analysis results, and also provides a reference for building a more complete and stable coupling circuit by designing an interface coupling model;

[0173] The beneficial effect of the above technical solution is: because the transmission of signals in the interface coupling circuit will cause some signal loss, in order to compensate for this loss, this technology performs high-frequency compensation processing of the signal according to the wavelength and frequency of the loss signal. This operation can compensate for the signal loss and obtain a more complete signal.

[0174] Embodiment 10:

[0175] In one embodiment, as shown in the attached Figure 3 As shown, the high-frequency compensation processing of the lost transmission signal includes:

[0176] According to the determined wavelength phase difference and frequency amplitude curve of the loss signal, the wavelength data and frequency data of the loss signal are obtained through data calculation;

[0177] Based on the wavelength data and the frequency data, obtaining high-frequency compensation data required for the loss signal by calculation;

[0178] According to the high-frequency compensation data, frequency compensation is performed on the loss part of the transmission signal by a linear equalization method, and a frequency compensation result is obtained;

[0179] Obtaining a desired output signal according to the frequency compensation result;

[0180] The working principle of the above technical solution is: the existing interface coupling circuit technology does not involve high-frequency compensation operation for the transmission signal, so the existing technology does not compensate for the signal lost during the signal transmission process, which leads to incomplete signals, and thus causes defects in the interface coupling circuit. However, this technology obtains compensation data through calculation, and then performs high-frequency compensation processing on the part of the signal lost in the transmission signal in the interface coupling circuit according to the obtained compensation data, and then obtains the desired output signal;

[0181] The beneficial effect of the above technical solution is: since the transmission signal will be lost during the signal transmission through the interface coupling circuit, the above technology can compensate for part of the signal loss by performing high-frequency compensation processing on the signal, thereby ensuring the normal transmission of the signal and the integrity of the signal.

[0182] Embodiment 11:

[0183] In one embodiment, high frequency compensation processing is performed on the signal of transmission signal loss in the interface coupling circuit as follows:

[0184] X (t) =B (t) +W (t)

[0185] Among them, X (t) Indicates the initial transmission signal; B (t) Represents the transmission signal of the subsequent circuit; W (t) a transmission signal data value representing a loss;

[0186]

[0187] Where t is the loss signal parameter; the frequency of the loss signal is f (t) ; (t) Indicates the wavelength of the loss signal; represents signal noise;

[0188] The data value of the loss signal is obtained by calculation, and then the transmission signal of the subsequent circuit is compensated according to the data value:

[0189]

[0190] Among them, χ (t) represents the expected output signal;

[0191] The working principle of the above technical solution is: by obtaining the relationship between the initial transmission signal, the transmission signal of the subsequent circuit and the loss transmission signal X (t) =B (t) +W (t) , and then calculate the loss signal. After the loss signal is obtained according to the frequency and wavelength of the loss signal, the specific data of the loss signal can be determined, so that it is easy to determine the need for transmission signal Numerical compensation, so that the desired output signal can be obtained through compensation;

[0192] The beneficial effect of the above technical solution is that signal loss will occur during signal transmission in the interface coupling circuit, so by performing high-frequency compensation processing on the signal, part of the signal lost in the transmission can be compensated to ensure the integrity of the signal.

[0193] Embodiment 12:

[0194] In one embodiment, performing interface coupling circuit simulation and obtaining a coupling circuit model includes:

[0195] Determine an interface coupling circuit, perform buffering processing on the interface coupling circuit, and perform protection processing on the circuit through a passive filter to obtain a stable coupling circuit;

[0196] Based on the stable coupling circuit, the common mode voltage and current in the circuit are limited to obtain a low crosstalk stable coupling circuit;

[0197] According to the low crosstalk stable coupling circuit, a transmission line for transmitting a signal of a corresponding matching coupling circuit is used to transmit the signal through a transmission line technology to obtain an interference-free transmission signal;

[0198] Performing interface coupling circuit simulation based on the low crosstalk stable coupling circuit and the interference-free transmission signal to obtain a coupling circuit model;

[0199] The working principle of the above technical solution is as follows: there is no content about designing an interface coupling model in the prior art. The design model can provide a reference for the connection of the circuit, thereby avoiding many unnecessary error factors from affecting the coupling circuit. Therefore, the present technology designs an interface coupling model. The present technology first performs buffering on the coupling circuit to obtain a stable circuit, and then limits the common-mode voltage and current in the circuit to obtain a stable coupling circuit with low crosstalk. Then, the interface coupling circuit is simulated to obtain an interface coupling circuit model.

[0200] The beneficial effects of the above technical solution are: buffering the interface coupling circuit can obtain a stable circuit, which provides a basis for subsequent circuit simulation, and by simulating the interface coupling circuit and then designing the coupling circuit model, it is easy to adjust the circuit according to the designed model.

[0201] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A method for optimizing the design of an interface coupling circuit, characterized in that: include: Determine the driving power supply and driving load of the front and rear stages of the interface coupling circuit, and couple the driving power supply and the driving load; According to the coupling connection, circuit signal transmission is performed to obtain signal transmission data, and the data difference between the two stages before and after the signal transmission is analyzed and calculated to obtain difference data; Based on the difference data, performing difference data optimization correction to obtain correction data; Performing high-frequency compensation processing on the lost transmission signal to obtain signal compensation data, simulating and designing an interface coupling circuit based on the signal compensation data and the obtained correction data, and generating an interface coupling circuit; The step of performing optimization correction of the difference data based on the difference data to obtain correction data includes: Based on the difference data, determining signal loss wavelength data and signal loss frequency data; Performing data optimization and correction processing according to the signal loss wavelength data and the signal loss frequency data to obtain a processing result; The data optimization correction process includes: optimizing the signal loss wavelength threshold and optimizing the signal loss frequency threshold; The steps of data optimization and correction processing include: determining a signal loss wavelength threshold and determining a signal loss frequency threshold; According to the signal loss wavelength threshold and the signal loss frequency threshold, the threshold boundary data are adjusted in opposite directions; Wherein, the reference data for the relative convergence adjustment is the threshold center point data; Based on the convergence adjustment, determining an optimal signal loss wavelength threshold and an optimal signal loss frequency threshold; According to the optimal signal loss wavelength threshold and the optimal signal loss frequency threshold, optimizing the initial transmission signal, performing an anti-interference operation on the optimized initial transmission signal, and obtaining a low-interference initial transmission signal; storing data of the low-interference initial transmission signal and obtaining optimized data of the initial transmission signal; The optimization data is calibrated and compared with the optimal signal loss wavelength threshold and the optimal signal loss frequency threshold to obtain correction data.

2. The interface coupling circuit optimization design method according to claim 1, characterized in that: The step of determining the driving power supply and the driving load of the front and rear stages of the interface coupling circuit, and coupling and connecting the driving power supply and the driving load, includes: Determine the circuit front-stage driving power supply and the circuit back-stage driving load according to the preset connection mode and preset components of the interface coupling circuit; The preset connection mode and preset components include: circuit input mode, circuit output mode, circuit element specifications and circuit element functions; Optimize the interface terminals of the interface coupling circuit and set the interface connection mode of the front and rear two-stage interface coupling circuits; Wherein, the interface terminals include: a data terminal, a ground terminal and a power terminal; Based on the interface connection mode, perform an interface coupling circuit connectivity test and obtain a test result; When the test result is unqualified, the interface coupling circuit is checked and the interface coupling circuit is reconnected according to the check result; When the test result is qualified, the driving power supply and the driving load are coupled and connected through the interface of the interface coupling circuit.

3. The interface coupling circuit optimization design method according to claim 1, characterized in that: According to the coupling connection, circuit signal transmission is performed, signal transmission data is obtained, and the data difference between the two stages before and after the signal transmission is analyzed and calculated to obtain the difference data, including: Based on the interface connection mode of setting the front and rear two-stage interface coupling circuits, the interface coupling circuit is connected, the circuit signal is transmitted through the connected circuit, and the signal transmission data is obtained; According to the signal transmission data, the transmission signal data of the previous stage circuit and the transmission signal data of the subsequent stage circuit are compared to obtain a data comparison result; According to the data comparison result, a signal loss value is obtained through a coupler, and a signal loss analysis is performed based on the signal loss value to obtain an analysis result; Wherein, the signal loss value includes: insertion loss value, coupling loss value and dielectric loss value; When the analysis result is unreasonable, the coupler is repaired and the signal loss value is re-obtained; When the analysis result is reasonable, based on the obtained signal loss value, the difference calculation is performed on the data of the two stages before and after the signal transmission to obtain the difference data.

4. The interface coupling circuit optimization design method according to claim 3, characterized in that: The interface connection mode of setting the front and rear two-stage interface coupling circuits, performing interface coupling circuit connection, performing circuit signal transmission through the connected circuits, and obtaining signal transmission data includes: Based on the interface connection mode of the front and rear two-stage interface coupling circuits, complexity analysis is performed on the interface of the interface coupling circuit to obtain analysis results; According to the analysis result, determining whether the coupling mode is loose coupling or tight coupling, and obtaining a determination result; According to the judgment result, circuit coupling degree data is obtained through a coupler, and data adjustment is performed on the circuit coupling degree data; The data adjustment includes: performing data constraint adjustment processing on data with a large coupling degree to obtain constraint coupling degree data; The data with small coupling degree is stored to determine the data with small coupling degree; Based on the constraint coupling degree data and the small coupling degree data, the complexity of the circuit coupling interface is optimized, and the complexity of the interface of the interface coupling circuit is improved to determine the connection mode of the improved interface; According to the connection mode of the improved interface, the interface coupling circuit performance is tested to determine the interface coupling circuit performance data, and the circuit connection is performed according to the interface coupling circuit performance data, and the signal transmission is performed based on the circuit connection to obtain the signal transmission data; The interface coupling circuit performance includes: testability, reliability and understandability.

5. The interface coupling circuit optimization design method according to claim 1, characterized in that: The performing of an anti-interference operation on the optimized initial transmission signal comprises: Determining the energy of the initial transmission signal, and performing an anti-interference operation on the initial transmission signal; Based on the anti-interference operation, obtaining an anti-interference parameter; The anti-interference parameters include grounding anti-interference parameters, shielding anti-interference parameters, distance anti-interference parameters, and signal coding anti-interference parameters. According to the anti-interference parameter, an anti-interference parameter-initial transmission signal energy adjustment rule is formulated to obtain a low-interference initial transmission signal; Based on the low-interference initial transmission signal, data of interference to the initial transmission signal before and after the anti-interference operation is performed is determined, and anti-interference capability is evaluated based on the data to obtain an evaluation result.

6. The interface coupling circuit optimization design method according to claim 5, characterized in that: The formulating of the anti-interference parameter-initial transmission signal energy adjustment rule includes: It is stipulated that the energy of the initial transmission signal after the anti-interference operation is within a reasonable range, wherein the coupling circuit is grounded and the initial signal loss energy is adjusted within a reasonable range based on the grounding anti-interference parameter; Shield the coupling circuit from external magnetic fields, and adjust the initial signal loss energy within a reasonable range based on the shielding anti-interference parameters; Adjust the distance between the front and rear circuits in the coupling circuit, and adjust the initial signal loss energy within a reasonable range based on the distance anti-interference parameter; The signal encoding method in the coupling circuit is improved, and based on the signal encoding anti-interference parameters, the initial signal loss energy is adjusted within a reasonable range.

7. The interface coupling circuit optimization design method according to claim 1, characterized in that: The high-frequency compensation processing is performed on the lost transmission signal to obtain signal compensation data, and based on the signal compensation data, the interface coupling circuit is simulated and designed, and the interface coupling circuit is generated, including: Analyze the lost signal wavelength and signal frequency according to the signal loss value, determine the wavelength phase difference of the loss signal according to the signal wavelength, and determine the frequency amplitude of the loss signal according to the signal frequency; Based on the frequency amplitude of the loss signal, plotting a frequency amplitude curve graph of the loss signal; According to the wavelength phase difference and the frequency amplitude curve diagram, high-frequency compensation processing is performed on the transmission signal to obtain compensation data of the signal wavelength and frequency; Based on the compensation data and the obtained correction data, the energy required by the input signal is analyzed and calculated, and the coupling circuit is adjusted according to the energy required by the input signal to obtain a processing result; According to the processing result, performing interface coupling circuit simulation to obtain a coupling circuit model; Based on the coupling circuit model, coupling circuit connection is performed to generate a coupling circuit.

8. The interface coupling circuit optimization design method according to claim 7, characterized in that: The high-frequency compensation processing of the lost transmission signal comprises: According to the determined wavelength phase difference and frequency amplitude curve of the loss signal, the wavelength data and frequency data of the loss signal are obtained through data calculation; Based on the wavelength data and the frequency data, obtaining high-frequency compensation data required for the loss signal by calculation; According to the high-frequency compensation data, frequency compensation is performed on the loss part of the transmission signal by a linear equalization method, and a frequency compensation result is obtained; A desired output signal is obtained according to the frequency compensation result.

9. The interface coupling circuit optimization design method according to claim 7, characterized in that: The performing of interface coupling circuit simulation and obtaining the coupling circuit model comprises: Determine an interface coupling circuit, perform buffering processing on the interface coupling circuit, and perform protection processing on the circuit through a passive filter to obtain a stable coupling circuit; Based on the stable coupling circuit, the common mode voltage and current in the circuit are limited to obtain a low crosstalk stable coupling circuit; According to the low crosstalk stable coupling circuit, a transmission line for transmitting a signal of a corresponding matching coupling circuit is used to transmit the signal through a transmission line technology to obtain an interference-free transmission signal; An interface coupling circuit simulation is performed based on the low crosstalk stable coupling circuit and the interference-free transmission signal to obtain a coupling circuit model.

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