Information processing device, transportation equipment maintenance system, program, and information processing method

Abstract

To provide an information processing device that is capable of optimizing maintenance contents of a maintenance target component while ensuring confidentiality of operation plan information regarding a transportation apparatus.SOLUTION: An information processing device includes: an acquisition unit that acquires operation plan information regarding a transportation apparatus including a maintenance target component; a computation unit that calculates a deterioration-related index value, which is an index value related to deterioration of the maintenance target component, by calculation in which the operation plan information cannot be calculated backward from the deterioration-related index value, based on the operation plan information acquired by the acquisition unit; an output unit that outputs the deterioration-related index value calculated by the computation unit; and a transmission unit that transmits the deterioration-related index value output by the output unit to a predetermined transmission destination.SELECTED DRAWING: Figure 1

Description

[Technical Field]

[0001] This disclosure relates to an information processing device, a transportation equipment maintenance system, a program, and an information processing method. [Background technology]

[0002] The ship diagnostic and maintenance system disclosed in Patent Document 1 comprises a ship communication device that collects and transmits operational data of ship equipment during operation, a center communication device that receives operational data from the ship communication device, and an equipment diagnostic device that diagnoses the operational status of ship equipment during operation from the received operational data and creates maintenance information. [Prior art documents] [Patent Documents]

[0003] [Patent Document 1] Japanese Patent Publication No. 2006-327361 [Overview of the project] [Problems that the invention aims to solve]

[0004] In the ship diagnostic and maintenance system disclosed in Patent Document 1, the center communication device receives operational data of ship equipment from the ship's communication device. However, when maintenance of ship equipment is performed by a maintenance contractor, if operational plan information such as the next operational data of the ship equipment is confidential, the maintenance contractor may not be able to obtain the operational plan information from the ship equipment operator. In that case, the maintenance contractor must perform maintenance assuming the ship equipment will be operated under maximum operational conditions, making it difficult to optimize the maintenance content.

[0005] This disclosure aims to provide an information processing device, a transportation equipment maintenance system, a program, and an information processing method that can optimize the maintenance content of maintenance target parts while ensuring the confidentiality of operational plan information related to transportation equipment. [Means for solving the problem]

[0006] An information processing apparatus according to an aspect of the present disclosure includes an acquisition unit that acquires operation plan information regarding transportation equipment including parts to be maintained, and based on the operation plan information acquired by the acquisition unit, a deterioration-related index value that is an index value related to the deterioration of the parts to be maintained is calculated by an operation that cannot reverse-calculate the operation plan information from the deterioration-related index value, a calculation unit, an output unit that outputs the deterioration-related index value calculated by the calculation unit, and a transmission unit that transmits the deterioration-related index value output by the output unit to a predetermined transmission destination.

Effect of the Invention

[0007] According to the present disclosure, the calculation unit calculates a deterioration-related index value based on operation plan information by an operation that cannot reverse-calculate the operation plan information from the deterioration-related index value, and the transmission unit transmits the deterioration-related index value to a predetermined transmission destination. Therefore, the maintenance contractor, which is the transmission destination, can determine the maintenance content based on the received deterioration-related index value, so that the maintenance content of the parts to be maintained can be optimized. In addition, since the operation plan information cannot be reverse-calculated from the deterioration-related index value, the confidentiality of the operation plan information can be ensured.

Brief Description of the Drawings

[0008] [Figure 1] It is a diagram schematically showing the overall configuration of a transportation equipment maintenance system according to an embodiment of the present disclosure. [Figure 2] It is a flowchart showing the content of the process executed by the information processing apparatus.

Mode for Carrying Out the Invention

[0009] Hereinafter, embodiments of the present disclosure will be described in detail with reference to the drawings. Note that elements denoted by the same reference numerals in different drawings indicate the same or corresponding elements.

[0010] [Overall Configuration of the System] Figure 1 is a simplified diagram showing the overall configuration of a transportation equipment maintenance system 1 according to an embodiment of the present disclosure. The transportation equipment maintenance system 1 comprises an information processing device 10 managed by an operator who operates the transportation equipment 90 including the maintenance target parts 91, and an information processing device 80 managed by a maintenance company that performs maintenance on the transportation equipment 90.

[0011] The transport equipment 90 is, for example, a mobile object such as a ship, vehicle, or aircraft, and in the following example, it is a ship. The parts to be maintained 91 are electronic components or mechanical components, etc., that constitute the transport equipment 90 or are installed in the transport equipment 90, for example, a battery. There may be multiple transport equipment 90, and a single transport equipment 90 may contain multiple parts to be maintained 91. The operator is a business that creates the operation plan for the transport equipment 90 and carries out the actual operation. The maintenance business is a business that is commissioned by the operator to perform maintenance on the transport equipment 90.

[0012] The information processing device 10 is a personal computer or the like. The information processing device 10 comprises an input unit 20, a storage unit 30, a display unit 40, a communication unit 50, and an arithmetic unit 60, all interconnected via a bus. The input unit 20 is a mouse or keyboard or the like. The storage unit 30 is configured using any computer-readable storage medium, such as an HDD, SSD, or semiconductor memory. The storage unit 30 stores a program 31. The display unit 40 is configured using a liquid crystal display or an organic EL display or the like. The communication unit 50 is configured using a communication module compatible with any communication method such as IP. The arithmetic unit 60 is configured using a processor such as a CPU. As a function realized by the processor executing the program 31 read from the storage unit 30, the arithmetic unit 60 has an acquisition unit 61, a calculation unit 62, and an output unit 63. In other words, program 31 is a program that causes the arithmetic unit 60 of the information processing device 10 to function as an acquisition means corresponding to the acquisition unit 61, a calculation means corresponding to the calculation unit 62, and an output means corresponding to the output unit 63. Details of the processing content in each processing unit will be described later.

[0013] The information processing device 80 is a communication device capable of communicating with the information processing device 10 via a communication network 70, and is, for example, a personal computer. The communication network 70 is any communication network using a dedicated line or a public line. The information processing device 80 comprises an input unit 84, a storage unit 83, a display unit 82, a communication unit 81, and an arithmetic unit 85. The input unit 84 is a mouse or keyboard, etc. The storage unit 83 is configured using any computer-readable storage medium such as an HDD, SSD, or semiconductor memory. The display unit 82 is configured using a liquid crystal display or an organic EL display, etc. The communication unit 81 is configured using a communication module compatible with any communication method such as IP. The arithmetic unit 85 is configured using a processor such as a CPU.

[0014] [Example of operation] Figure 2 is a flowchart showing the contents of the information processing performed by the information processing device 10.

[0015] First, in step SP11, the acquisition unit 61 acquires operational plan information S1 concerning the transport equipment 90, including the maintenance target parts 91. The operator of the operating company formulates the next operational plan for the transport equipment 90 by inputting information using a mouse or keyboard on the input unit 20. The operational plan includes, for example, the coordinates and scheduled departure date and time of the departure point, the coordinates and scheduled passage dates and times of intermediate points, and the coordinates and scheduled arrival date and time of the destination point. The acquisition unit 61 acquires the operational plan information S1, which shows the contents of the formulated operational plan, from the input unit 20 via the bus. The operational plan information S1 is confidential information that must be kept secret from outside.

[0016] Next, in step SP12, the calculation unit 62 calculates a degradation-related index value S2, which is an index value related to the degradation of the maintenance target component 91, based on the operation plan information S1 acquired by the acquisition unit 61, using an irreversible calculation. An irreversible calculation is an operation from which the operation plan information S1 cannot be reversed. Specific examples of irreversible calculations will be described later. The degradation-related index value S2 is a predicted value indicating the degree to which the maintenance target component 91 will degrade in the next operation of the transportation equipment 90. If the maintenance target component 91 is a battery, the degradation-related index value S2 is, for example, the predicted decrease in the State of Health (SOH) of the battery in the next operation of the transportation equipment 90. Although the degradation-related index value S2 is information from which the operation plan information S1 cannot be reversed, it is not a random value using true random numbers or pseudo-random numbers, etc., but a significant value that allows the maintenance operator to judge the degree of degradation of the maintenance target component 91.

[0017] Next, in step SP13, the output unit 63 outputs the degradation-related index value S2 calculated by the calculation unit 62 from the arithmetic unit 60. The output unit 63 may also output the degradation-related index value S2 calculated by the calculation unit 62 after encrypting it using an arbitrary encryption algorithm. The degradation-related index value S2 is input from the arithmetic unit 60 to the communication unit 50 via the bus.

[0018] Next, in step SP14, the communication unit 50 transmits the degradation-related index value S2 output by the output unit 63 to an information processing device 80 managed by a maintenance company that performs maintenance on the transportation equipment 90, via the communication network 70.

[0019] The communication unit 81 of the information processing device 80 receives the degradation-related index value S2 transmitted by the communication unit 50 of the information processing device 10 and stores the received degradation-related index value S2 in the storage unit 83. If the degradation-related index value S2 is encrypted by the calculation unit 60 of the information processing device 10, the calculation unit 85 of the information processing device 80 decrypts the encrypted degradation-related index value S2.

[0020] The operator of the maintenance service provider determines the maintenance content for the component 91 to be maintained based on the received degradation-related indicator value S2. For example, if the component 91 to be maintained is a battery, and it is predicted that the battery's SOH will fall below the permissible lower limit during the next operation of the transport equipment 90, the battery will be replaced before the next operation of the transport equipment 90. Alternatively, the maintenance content may be determined by the calculation unit 85 based on the degradation-related indicator value S2 instead of the operator of the maintenance service provider.

[0021] [First example of an irreversible operation] The first example of an irreversible operation is shown in equation (1).

[0022] D=AX i ...(1)

[0023] X i This is the input value corresponding to the operational plan information S1. D is the output value corresponding to the degradation-related index value S2. A is the degradation coefficient matrix in which the degradation coefficient W is set. The calculation unit 62 calculates the degradation coefficient matrix A and the input value X i The output value D is calculated by multiplying by the following. However, the calculation unit 62 uses a function obtained by expanding the degradation coefficient matrix A to calculate the input value X i You can also calculate the output value D from this.

[0024] The details of equation (1) are shown in equation (2).

[0025]

number

[0026] Input value X i For this, i is an index value from 1 to n, and n is a value of 2 or greater. Input value X i This involves N input variables X1,...,X n This is N-dimensional information including the input variables X1,···,X n Examples of these include the lighting time, air conditioning usage time, engine start-up count, motor operating time, or power generation amount in the next operational plan for the transport equipment 90.

[0027] The output value D is M-dimensional information including M output variables D1, ···, D m The output variables D1, ···, D m are, for example, the degrees of deterioration of each battery when the parts 91 to be maintained are a plurality of M batteries. Here, by setting the number of dimensions M of the output value D to be less than the number of dimensions N of the input value X i it becomes impossible to perform the inverse calculation from the output value D to the input value X i

[0028] A is a deterioration coefficient matrix of m rows and n columns in which a plurality of deterioration coefficients W 11 , ···, W mn are set. The deterioration coefficients W 11 , ···, W mn correspond to the contribution rates of the input variables X1, ···, X n to the output variables D1, ···, D m . Each value of the plurality of deterioration coefficients W 11 , ···, W mn may be derived, for example, based on the operation performance values of the transportation device 90 and the deterioration performance values of the parts 91 to be maintained, or may be derived based on the control rules or specifications of the product and the simulation results or experimental results, etc.

[0029] Also, the deterioration coefficient W may be a variable W(K) whose value changes according to the state quantity K. The state quantity K is a physical quantity indicating the influence of disturbances related to the movement of the transportation device 90, and is, for example, the speed and direction of ocean currents, or the wind speed and wind direction, etc. at each point and each time on the movement path of the transportation device 90. The state quantity K may be set based on the input value X i or may be set based on past statistical data.

[0030] By making the deterioration coefficient W a variable according to the state quantity K, the accuracy of the deterioration-related index value S2 can be improved.

[0031] [Second Example of Irreversible Calculation] ​In the second example of irreversible operation, the transport equipment 90 is a moving body that follows non-holonomic constraints in at least part of its primary movement, such as during cruising, and in particular, a moving body that cruises by propulsion and turning in accordance with non-holonomic constraints. Ships, vehicles, or aircraft are examples of moving bodies that cruise by propulsion and turning in accordance with non-holonomic constraints. However, the moving body may be capable of moving in accordance with holonomic constraints in movements other than its primary movement, and may be a moving body that can move laterally using side thrusters when docking or undocking, such as a ship equipped with side thrusters.

[0032] A second example of an irreversible operation is shown in equation (3).

[0033] detJ=α j ×R a (t)+β j ×R θ (t)···(3)

[0034] In equation (3), j is an index value of 1 or more that corresponds to the number of maintenance target parts 91. α j This is the propulsion degradation coefficient for part j, and R a (t) is the propulsion command value per unit time. The propulsion degradation coefficient is a coefficient that represents the effect of the propulsion operation of the transport equipment 90 on the degradation of component j. β j This is the rotation degradation coefficient for part j, and R θ (t) is the rotation command value per unit time. The rotation degradation coefficient is a coefficient that represents the effect of the rotational movement of the transport equipment 90 on the degradation of part j. detJ is the degree of degradation of part j per unit time.

[0035] The calculation unit 62 calculates the propulsion degradation coefficient α related to component j. j and the propulsion command value R per unit time a The product of (t) and the rotation degradation coefficient β with respect to part j. j and the turning command value R per unit time θThe product of (t) and the result is added to calculate the degree of deterioration of part j per unit time, detJ. The calculation unit 62 then calculates the deterioration-related index value S2 for part j in the next operation plan by accumulating the calculated degree of deterioration of part j per unit time, detJ, over the scheduled operation time included in the operation plan information S1.

[0036] Furthermore, as shown in equation (4), the propulsion degradation coefficient α j and rotation degradation coefficient β j The propulsion variable α, whose value changes according to the state variable K mentioned above. j (K) and rotation degradation coefficient β j (K) is also acceptable.

[0037] detJ=α j (K) × R a (t)+β j (K) × R θ (t)···(4)

[0038] Propulsion degradation coefficient α j and rotation degradation coefficient β j By making it a variable corresponding to the state variable K, the accuracy of the degradation-related index value S2 can be improved.

[0039] The functions of each element, including the arithmetic unit 60 disclosed in this disclosure, can be performed using circuits or processing circuits, including general-purpose processors, dedicated processors, integrated circuits, ASICs (Application Specific Integrated Circuits), conventional circuits, and / or combinations thereof, configured or programmed to perform the disclosed functions. A processor is considered a processing circuit or circuit because it includes transistors and other circuits. In this disclosure, a circuit, unit, or means is hardware that performs the enumerated functions, or hardware programmed to perform the enumerated functions. The hardware may be hardware disclosed herein, or other known hardware that is programmed or configured to perform the enumerated functions. If the hardware is a processor, which is considered a type of circuit, then the circuit, means, or unit is a combination of hardware and software, and the software is used to configure the hardware and / or the processor.

[0040] [Effects and Effects] According to the information processing device 10 of this embodiment, the calculation unit 62 calculates a degradation-related index value S2 based on the operation plan information S1 by an operation that makes it impossible to reverse-calculate the operation plan information S1 from the degradation-related index value S2, and the communication unit 50 transmits the degradation-related index value S2 to a maintenance operator, which is a predetermined recipient. Therefore, the maintenance operator can determine the maintenance content based on the received degradation-related index value S2, thereby optimizing the maintenance content of the maintenance target component 91. Furthermore, since the operation plan information S1 cannot be reverse-calculated from the degradation-related index value S2, the confidentiality of the operation plan information S1 can be ensured.

[0041] [Summary of this disclosure] The embodiments of this disclosure described above can be summarized as follows:

[0042] An information processing device according to a first aspect of the present disclosure includes: an acquisition unit that acquires operational plan information relating to transportation equipment including parts to be maintained; a calculation unit that calculates deterioration-related index values, which are index values ​​related to the deterioration of the parts to be maintained, from the deterioration-related index values ​​by an operation that cannot be reverse-calculated from the operational plan information, based on the operational plan information acquired by the acquisition unit; an output unit that outputs the deterioration-related index values ​​calculated by the calculation unit; and a transmission unit that transmits the deterioration-related index values ​​output by the output unit to a predetermined destination.

[0043] According to this embodiment, the calculation unit calculates degradation-related index values ​​based on the operational plan information using calculations that make it impossible to reverse-calculate the operational plan information from the degradation-related index values, and the transmission unit transmits the degradation-related index values ​​to a predetermined recipient. Therefore, the maintenance business operator, which is the recipient, can determine the maintenance content based on the received degradation-related index values, thereby optimizing the maintenance content for the maintenance target parts. Furthermore, since the operational plan information cannot be reverse-calculated from the degradation-related index values, the confidentiality of the operational plan information can be ensured.

[0044] The information processing device according to the second aspect of this disclosure is the information processing device according to the first aspect, wherein the recipient is a maintenance company that performs maintenance on the transportation equipment.

[0045] According to this disclosure, maintenance companies that perform maintenance on transportation equipment can be provided with degradation-related indicator values.

[0046] An information processing device according to a third aspect of the present disclosure, in an information processing device according to a first aspect, wherein the operation plan information includes N input variables, the degradation-related index value includes M output variables less than N, and the calculation unit calculates the output variables by multiplying a predetermined degradation coefficient by the input variables.

[0047] According to this embodiment, by setting the number of output variables included in the degradation-related indicator values ​​to be less than the number of input variables included in the operational plan information, operational plan information that cannot be inversely calculated from the degradation-related indicator values ​​can be appropriately calculated.

[0048] The information processing device according to the fourth aspect of this disclosure is an information processing device according to the third aspect, wherein the degradation coefficient is a variable whose value changes according to a state quantity related to the movement of the transport equipment.

[0049] According to this embodiment, the accuracy of degradation-related index values ​​can be improved by making the degradation coefficient a variable corresponding to the state quantity.

[0050] An information processing device according to a fifth aspect of the present disclosure is an information processing device according to a first aspect, wherein the transport equipment is a moving body that moves by propulsion and turning in accordance with non-holonomic constraints for at least a portion of its main movement, and the calculation unit calculates the degree of deterioration per unit time based on the product of a predetermined propulsion deterioration coefficient and a propulsion command value per unit time and a predetermined turning deterioration coefficient and a turning command value per unit time, and calculates the deterioration-related index value by accumulating the calculated degree of deterioration per unit time over the planned operating time included in the operation plan information.

[0051] According to this embodiment, by accumulating the degree of deterioration per unit time over the planned operating time, operational planning information that cannot be calculated backward from deterioration-related indicator values ​​can be appropriately calculated.

[0052] The information processing device according to the sixth aspect of this disclosure is an information processing device according to the fifth aspect, wherein the propulsion degradation coefficient and the turning degradation coefficient are variables whose values ​​change according to state quantities related to the movement of the transport equipment.

[0053] According to this embodiment, the accuracy of degradation-related index values ​​can be improved by making the propulsion degradation coefficient and the turning degradation coefficient variables corresponding to state quantities.

[0054] A seventh aspect of the present disclosure of a transportation equipment maintenance system comprises an information processing device managed by an operator that operates transportation equipment including parts to be maintained, and a communication device managed by a maintenance operator that performs maintenance on the transportation equipment, wherein the information processing device includes an acquisition unit that acquires operational plan information relating to the transportation equipment, a calculation unit that calculates a deterioration-related index value, which is an index value related to the deterioration of the parts to be maintained, from the deterioration-related index value by an operation that cannot be reversed from the operational plan information, based on the operational plan information acquired by the acquisition unit, an output unit that outputs the deterioration-related index value calculated by the calculation unit, and a transmission unit that transmits the deterioration-related index value output by the output unit to the communication device, and the communication device includes a receiving unit that receives the deterioration-related index value transmitted by the transmission unit.

[0055] According to this embodiment, the calculation unit calculates degradation-related index values ​​based on the operational plan information using calculations that make it impossible to reverse-calculate the operational plan information from the degradation-related index values, and the transmission unit transmits the degradation-related index values ​​to the communication device. Therefore, the maintenance operator can determine the maintenance content based on the received degradation-related index values, thereby optimizing the maintenance of the maintenance target parts. Furthermore, since the operational plan information cannot be reverse-calculated from the degradation-related index values, the confidentiality of the operational plan information can be ensured.

[0056] The program according to the eighth aspect of this disclosure provides an information processing device that functions as: an acquisition means for acquiring operational plan information relating to transportation equipment including parts to be maintained; a calculation means for calculating deterioration-related index values, which are index values ​​related to the deterioration of the parts to be maintained, from the deterioration-related index values ​​by an operation that cannot be reverse-calculated from the operational plan information, based on the operational plan information acquired by the acquisition means; and an output means for outputting the deterioration-related index values ​​calculated by the calculation means.

[0057] According to this embodiment, the calculation means calculates degradation-related index values ​​based on operational plan information using calculations that make it impossible to reverse-calculate the operational plan information from the degradation-related index values. By transmitting the degradation-related index values ​​to the maintenance provider, the maintenance provider can determine the maintenance content based on the received degradation-related index values, thereby optimizing the maintenance content for the parts to be maintained. Furthermore, since the operational plan information cannot be reverse-calculated from the degradation-related index values, the confidentiality of the operational plan information can be ensured.

[0058] An information processing method according to a ninth aspect of this disclosure involves an information processing device acquiring operational plan information relating to transportation equipment including parts to be maintained, calculating a deterioration-related index value, which is an index value related to the deterioration of the parts to be maintained, from the deterioration-related index value by an operation that cannot be reversed from the operational plan information, outputting the calculated deterioration-related index value, and transmitting the outputted deterioration-related index value to a predetermined destination.

[0059] According to this embodiment, the information processing device calculates degradation-related index values ​​based on operational plan information using calculations that make it impossible to reverse-calculate the operational plan information from the degradation-related index values, and transmits the calculated degradation-related index values ​​to the maintenance provider. Therefore, the maintenance provider, as the recipient, can determine the maintenance content based on the received degradation-related index values, thereby optimizing the maintenance content for the parts to be maintained. Furthermore, since the operational plan information cannot be reverse-calculated from the degradation-related index values, the confidentiality of the operational plan information can be ensured. [Explanation of Symbols]

[0060] 1. Transportation Equipment Maintenance System 10 Information Processing Devices 31 Programs 60 Arithmetic section 61 Acquisition Department 62 Calculation Section 63 Output section

Claims

1. An acquisition unit that acquires operational plan information regarding transportation equipment, including parts subject to maintenance, Based on the operational plan information acquired by the acquisition unit, a calculation unit calculates a deterioration-related index value, which is an index value related to the deterioration of the maintenance target part, from the deterioration-related index value by a calculation that cannot be reversed from the operational plan information, An output unit that outputs the degradation-related index value calculated by the calculation unit, A transmitting unit that transmits the degradation-related index value output by the output unit to a maintenance operator that performs maintenance on the transportation equipment based on the degradation-related index value, An information processing device equipped with the following features.

2. The aforementioned operational plan information includes N input variables, The aforementioned degradation-related index values ​​include M output variables less than N, The information processing apparatus according to claim 1, wherein the calculation unit calculates the output variable by multiplying a predetermined degradation coefficient by the input variable.

3. The information processing apparatus according to claim 2, wherein the degradation coefficient is a variable whose value changes according to a state quantity related to the movement of the transport equipment.

4. The transport device is a mobile body that moves by propulsion and rotation in accordance with non-holonomic constraints in at least a portion of its main movement. The calculation unit described above, The degree of deterioration per unit time is calculated based on the product of a predetermined propulsion degradation coefficient and the propulsion command value per unit time, and the product of a predetermined turning degradation coefficient and the turning command value per unit time. The information processing device according to claim 1, wherein the degradation-related index value is calculated by accumulating the calculated degradation rate per unit time over the scheduled operating time included in the operation plan information.

5. The information processing apparatus according to claim 4, wherein the propulsion degradation coefficient and the turning degradation coefficient are variables whose values ​​change according to state quantities related to the movement of the transport equipment.

6. Information processing equipment managed by operators who operate transportation equipment including maintenance-related parts, A communication device managed by a maintenance company that performs maintenance on the aforementioned transportation equipment, Equipped with, The aforementioned information processing device is An acquisition unit that acquires operational plan information related to the aforementioned transportation equipment, Based on the operational plan information acquired by the acquisition unit, a calculation unit calculates a deterioration-related index value, which is an index value related to the deterioration of the maintenance target part, from the deterioration-related index value by a calculation that cannot be reversed from the operational plan information, An output unit that outputs the degradation-related index value calculated by the calculation unit, A transmitting unit that transmits the degradation-related index value output by the output unit to the communication device, It has, The aforementioned communication device is A receiving unit that receives the degradation-related index values ​​transmitted by the transmitting unit. It has, A transportation equipment maintenance system in which the maintenance operator performs maintenance on the transportation equipment based on the deterioration-related indicator values.

7. Information processing equipment, A means for acquiring operational plan information regarding transportation equipment, including parts subject to maintenance, Based on the operational plan information acquired by the acquisition means, a calculation means calculates a deterioration-related index value, which is an index value related to the deterioration of the maintenance target part, from the deterioration-related index value by a calculation that cannot be reversed from the operational plan information, Output means for outputting the deterioration-related index value calculated by the calculation means for transmission to a maintenance business operator that performs maintenance on the transportation equipment based on the deterioration-related index value, A program designed to function as such.

8. Information processing device, We obtain operational plan information regarding transportation equipment, including parts subject to maintenance. Based on the acquired operational plan information, a degradation-related index value, which is an index value related to the degradation of the maintenance target part, is calculated from the degradation-related index value using a calculation that makes it impossible to reverse-calculate the operational plan information. Output the calculated degradation-related index values. An information processing method for transmitting the outputted degradation-related indicator values ​​to a maintenance company that performs maintenance on the transportation equipment based on the degradation-related indicator values.

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