Method and system for determining evaluation results under finite operating conditions

Abstract

In physical systems operating under finite observation and operational conditions, evaluation metrics become unstable due to the effects of noise, variability, losses, etc., leading to problems such as premature determination of evaluation results resulting in misdesign, miscontrol, or operational failure. [Solution] The present invention provides an evaluation result determination control method and system that generates evaluation indicators for a physical system, keeps the evaluation result in an undetermined state until the evaluation indicators satisfy predetermined determination conditions, and determines the evaluation result only when the determination conditions are met. This enables highly reliable design, control, or operational decisions under finite conditions.

Description

Technical Field

[0001] The present invention relates to controlling the determination of evaluation results in a physical system, an information processing system, or a control system that operates under finite observation conditions and operating conditions.

Background Art

[0002] In recent years, in optical systems, electronic circuits, sensor systems, and information processing systems including them, Theoretical models and evaluation methods based on ideal design conditions have been widely used. For example, in the field of photonics, Based on models assuming an infinite periodic structure, a lossless medium, and perfect symmetry, It is common to define and analyze topological invariants and mode structures. Also, in the field of electronic circuits, Design and verification methods based on ideal power supply conditions and devices without variations have been used. However, in an actual physical system, Finite size, scattering loss, absorption loss, manufacturing variations, external disturbances, observation noise, etc. inevitably exist. As a result, evaluation quantities and state quantities defined theoretically Situations where they cannot be uniquely determined under actual operating conditions frequently occur. In such a situation, in the prior art, When observable data is obtained, the evaluation result is immediately determined, Based on the evaluation result, it was common to perform design, control, or operation. However, this immediate determination type of evaluation method When the evaluation quantity is unstable under finite conditions, or When including temporary fluctuations or external disturbances, Has the problem of determining an incorrect evaluation result. For example, in an optical system, Due to the effects of temporary fluctuations in interference conditions and losses, Despite the temporary disruption of the mode characteristics and propagation characteristics that should have been maintained, This condition may be mistakenly evaluated as a definitive characteristic. Furthermore, in electronic circuits and sensor systems, Due to noise and transient environmental changes, In some cases, evaluation results may be finalized that do not accurately reflect actual performance capabilities. Thus, under finite observation and operation conditions, Regarding when and under what conditions the evaluation results should be finalized, This had not been adequately considered in conventional technology. Therefore, for a physical system operating under finite conditions, Treat the determination of the evaluation results itself as the control target. It is possible to obtain evaluation results that are in line with actual operating conditions while avoiding misidentification. New control methods and systems are needed. [Overview of the project] [Problems that the invention aims to solve]

[0003] As mentioned above, physical systems such as optical systems, electronic circuits, and sensor systems are It operates while inevitably involving finite size, losses, manufacturing variations, disturbances, observation noise, and so on. However, in conventional evaluation and control methods, It is assumed that evaluation results based on observed data will be immediately finalized. Whether the evaluation results are sufficiently stable under finite conditions is, This was not always taken into consideration. Therefore, if the evaluation indicators fluctuate temporarily under actual operating conditions, Even when affected by external disturbances or noise, such a state is treated as a definite evaluation result, and there has been a problem that incorrect judgments are reflected in subsequent design, control, or operation. Particularly, in an optical system that evaluates topological characteristics, mode structures, etc., characteristics that should theoretically be maintained may temporarily fluctuate due to the influence of finite size or loss, and definitely evaluating a state including such fluctuations has been the cause of misdesign and performance degradation. Similar problems also exist in electronic circuits and sensor systems, and due to the determination of transient evaluation results caused by noise or environmental variations, there have been cases where control or judgments that do not correctly reflect the original operating ability and reliability are made. In view of such problems of the prior art, the present invention for a physical system operating under finite observation conditions and operating conditions, regarding when and under what conditions to determine the evaluation result by treating "the determination of the evaluation result itself" as a control target, while avoiding the determination of incorrect evaluation results, the problem is to obtain a highly reliable evaluation result in accordance with the actual operating conditions.

Means for Solving the Problem

[0004] To solve the above problem, the evaluation result determination control method according to the present invention targets a physical system operating under finite observation conditions and operating conditions, based on the observation data regarding the physical system, a step of generating at least one evaluation index, A step of determining whether the evaluation index satisfies a predetermined determination condition; While the determination condition is not satisfied, A step of maintaining the evaluation result based on the evaluation index in an undetermined state; When the determination condition is satisfied, A step of determining the evaluation result characterized by including. Also, in the evaluation result determination control method according to the present invention, The evaluation index and the determination condition are Set to reflect the operability of the physical system under actual operating conditions including finite size, loss, manufacturing variation, disturbance, observation noise, etc. under actual operating conditions of the physical system is set to reflect. Furthermore, in the evaluation result determination control method according to the present invention, While the evaluation result is in an undetermined state, It is possible to suppress, delay, or control the processing related to the design, control, or operation of the physical system. is possible to suppress, delay, or control. The present invention can be realized as an evaluation result determination control system for realizing the above method, An evaluation index generation unit that generates an evaluation index based on observation data, A determination condition determination unit that determines whether the evaluation index satisfies a determination condition, An evaluation result determination control unit that holds or determines the evaluation result as an undetermined state and can also be realized with a configuration including. Also, the present invention provides a program for causing a computer to execute the evaluation result determination control method, and a recording medium on which the program is recorded can also be realized.

Effects of the Invention

[0005] According to the present invention, it operates under finite observation and operation conditions. For physical systems, When will the evaluation results be finalized? The "determination of the evaluation result itself" can be treated as the control target. This allows for finite size, loss, manufacturing variability, disturbances, Under actual operating conditions including observation noise, A state affected by temporary fluctuations or external disturbances This prevents the result from being mistakenly treated as a definitive evaluation result. Furthermore, according to the present invention, Until the evaluation results meet the specified conditions for confirmation Because it is held in an undetermined state, The reliability of the evaluation results has improved. This enables appropriate design, control, or operation that conforms to actual operating conditions. Furthermore, according to the present invention, While the evaluation results are still pending, Design changes and control processes for physical systems Because it can be suppressed, delayed, or controlled, This can prevent design errors and performance degradation based on incorrect evaluation results. The present invention relates to optical systems, electronic circuits, sensor systems, etc. Applicable to a variety of physical systems, Without being limited to specific implementation forms or fields, For all systems that operate under finite conditions It is applicable in all cases. As a result, according to the present invention, Evaluation of physical systems under finite conditions, Reliability in design, control, and operation It can be improved overall. [Modes for carrying out the invention]

[0006] The embodiments for carrying out the present invention will be described below with reference to specific examples. The following embodiments are illustrative examples to facilitate understanding of the technical concept of the present invention. The technical scope of this invention is not limited to these. [Examples]

[0007] This embodiment targets any physical system operating under finite observation and operation conditions, This section describes an abstract configuration for controlling the timing of the finalization of evaluation results. This configuration includes at least the following functional components. • Evaluation index generation unit Based on observational data regarding the state of the target system, Generate at least one evaluation metric. Evaluation metrics consist of physical quantities, statistics, confidence levels, reproducibility, stability, or a combination thereof. It reflects the state including the effects of finite size, noise, loss, variability, etc. ·Confirmed condition judgment section The system determines whether the generated evaluation indicators meet the predetermined criteria. The criteria for determination are the range of fluctuation of the evaluation indicator, temporal stability, convergence, Alternatively, it is defined based on the amount of change within a predetermined period. • Evaluation result confirmation control unit While the confirmation conditions are not met, the evaluation result will be kept in an unconfirmed state. The evaluation results will not be used for design, control, or operational decisions. The evaluation result will only be finalized if the conditions for finalization are met. The process will be executed based on the confirmed result. As a result, premature determination of evaluation results under finite operating conditions is suppressed.

[0008] In this embodiment, an example of applying the present invention to an optical system will be described. The optical systems in question include finite-sized optical waveguides, photonic crystals, Alternatively, it may consist of an integrated optical circuit or the like. The evaluation index generation unit generates light intensity distribution, phase distribution, mode distribution, Alternatively, an evaluation index can be generated based on the transparency characteristics. In optical systems, scattering loss, absorption loss, manufacturing variations, etc., In many cases, ideal characteristics cannot be directly observed. In this embodiment, until the evaluation index satisfies predetermined stability or reproducibility conditions, The evaluation results are kept in an undetermined state. As a result, measurement errors and transient fluctuations under finite conditions are caused by these factors. This helps avoid incorrect design and control decisions.

[0009] In this embodiment, an example of applying the present invention to an electronic circuit or a semiconductor circuit will be described. The electronic circuits covered are integrated circuits, logic circuits, or analog circuits. The evaluation index generation unit generates signal delay time, voltage level, noise margin, Alternatively, generate evaluation metrics based on power consumption. In semiconductor circuits, manufacturing variations and fluctuations in the operating environment can cause problems. Evaluations based on a single measurement result may be unstable. In this embodiment, until the evaluation index converges within a predetermined range of variation, The evaluation results are kept in an undetermined state. As a result, it becomes possible to suppress overly conservative designs and incorrect circuit optimizations.

[0010] In this embodiment, an example of applying the present invention to a sensor system will be described. The sensor systems in question measure physical quantities, chemical quantities, or environmental quantities. The evaluation index generation unit evaluates the variance, reliability, and reproducibility of the measured values. Alternatively, an evaluation metric can be generated based on the noise level. Sensor output is susceptible to disturbances and noise. Evaluations based on short-term measurement results may lack reliability. In this embodiment, until the evaluation index satisfies the predetermined confidence condition, The evaluation results are kept in an undetermined state. As a result, only when the reliability of the measurement results is ensured. This makes it possible to finalize the evaluation results. [Industrial applicability]

[0011] This invention relates to optical devices, semiconductor circuits, quantum devices, sensor systems, Information processing equipment, control systems, etc., that operate under finite observation and operating conditions. It is applicable to all industrial fields. In particular, for systems where it is difficult to determine evaluation results during the design or operation phase, It is useful as a means of suppressing design errors and control errors.

Claims

1. For physical systems operating under finite observation and operational conditions, A method for controlling the determination of evaluation results for the physical system, A step of generating at least one evaluation index with respect to the state of the physical system, A step of determining whether the evaluation index satisfies predetermined conditions, As long as the above confirmation conditions are not met, the evaluation results based on the above evaluation indicators will be... A process of holding it in an undetermined state, If the above confirmation conditions are met, the evaluation result is confirmed. Based on the confirmed results, the design and control of the physical system, or a process for performing operations Includes, The aforementioned evaluation indicators and the aforementioned confirmation conditions are, Without assuming an ideal infinite system, invariants, or perfect observation, Includes finite size, loss, noise, variability, or imperfect initial conditions. To reflect the operability of the physical system under actual operating conditions Characterized by its structure A control method for determining evaluation results.

2. The aforementioned evaluation indicators are, Physical quantities, statistical quantities, confidence indices, reproducibility indices, or characterized by being generated based on a combination of these. The evaluation result determination control method according to claim 1.

3. The aforementioned confirmation conditions are, The stability, variability, reliability, and convergence of the aforementioned evaluation indicators. Alternatively, it is characterized by being defined based on the amount of change within a predetermined period. The evaluation result determination control method according to claim 1 or 2.

4. The aforementioned undetermined state is, The evaluation results are not used for design, control, or operational decisions. Alternatively, it is characterized by being maintained in a state that restricts the use of the evaluation results. A method for determining evaluation results according to any one of claims 1 to 3.

5. The processing based on the confirmed result is, Determination of design parameters, updating of controlled variables, or characterized by including the selection of operating conditions. A method for determining evaluation results according to any one of claims 1 to 4.

6. The aforementioned physical system Optical systems, electronic circuits, semiconductor devices, quantum devices, Sensor systems, information processing devices, or a control system A method for determining evaluation results according to any one of claims 1 to 5.

7. This applies to physical systems operating under finite observation and operational conditions. A control system for determining evaluation results, An evaluation index generation unit that generates evaluation indicators, Determining whether the aforementioned evaluation indicator satisfies predetermined conditions. A determination condition unit, The evaluation result is either kept in an undetermined state or finalized. Evaluation result confirmation control unit and Equipped with, Reflecting the operability of the physical system under finite operating conditions Features include controlling the determination of evaluation results. Evaluation result confirmation control system.

8. On the computer, The evaluation result determination control method according to any one of claims 1 to 6 A program to be executed.