Sensor evaluation device, sensor evaluation system, sensor evaluation method, and sensor evaluation program

Abstract

To accurately calibrate a water quality sensor or exchange it easily at appropriate timing.SOLUTION: Provided is a sensor evaluation device including: a storage unit for storing first state information showing a state of at least one reference vessel, and a first water quality measurement value of a first water quality sensor that a reference vessel has when the reference vessel is in a state shown by the first state information; a generation unit for generating a water quality reference value when a target vessel is in a state shown by second state information on the basis of the second state information showing a state of a target vessel, the first state information, and the first water quality measurement value; and an evaluation unit for evaluating a second water quality sensor on the basis of a second water quality measurement value of the second water quality sensor that a target vessel has, and a water quality reference value.SELECTED DRAWING: Figure 4

Claims

1. A storage unit that stores first state information indicating the state of one or more reference vessels, and first water quality measurement values ​​of a first water quality sensor possessed by the reference vessel, the first water quality measurement values ​​when the reference vessel is in the state indicated in the first state information, A generating unit that generates a water quality standard value when the target vessel is in the state indicated in the second state information, based on second state information indicating the state of the target vessel, and the first state information and the first water quality measurement value, An evaluation unit that evaluates the second water quality sensor based on the second water quality measurement value of the second water quality sensor possessed by the target vessel and the water quality standard value, A sensor evaluation device equipped with the following features.

2. The sensor evaluation device according to claim 1, further comprising a calculation unit that calculates the calibration time or replacement time for the second water quality sensor based on the evaluation result of the evaluation unit for the second water quality sensor.

3. The sensor evaluation device according to claim 2, wherein the calculation unit calculates the calibration time or the replacement time based on the time change of the second water quality measurement value of the second water quality sensor.

4. The sensor evaluation device according to claim 2, wherein the calculation unit further calculates the calibration time or the replacement time based on the planned route of the target vessel.

5. The first state information includes information on the navigation position of the reference vessel, The memory unit stores the navigation position of the reference vessel and the first water quality measurement value when the reference vessel is at the navigation position. The second state information includes information on the navigation position of the target vessel, The generating unit generates the water quality standard value based on the navigation position of the target vessel, the navigation position of the reference vessel, and the first water quality measurement value when the reference vessel is at the navigation position. A sensor evaluation device according to any one of claims 1 to 4.

6. The second state information includes information on the navigation position of the target vessel, The generating unit selects the state of the target vessel for which the water quality standard value is to be generated based on the navigation position information of the target vessel, and generates the water quality standard value when the target vessel is in the selected state. A sensor evaluation device according to any one of claims 2 to 4.

7. The sensor evaluation device according to claim 6, wherein the calculation unit determines a position for replacing the second water quality sensor based on the calculated replacement time and the navigation position information of the target vessel.

8. The sensor evaluation apparatus according to claim 1, further comprising a calibration unit for calibrating the second water quality sensor based on the evaluation results of the evaluation unit for the second water quality sensor.

9. The aforementioned vessel has an exhaust gas treatment device into which a second liquid and a second exhaust gas are introduced, the second exhaust gas is treated with the second liquid, and the second wastewater obtained by treating the second exhaust gas with the second liquid is discharged. One of the second water quality sensors measures the water quality of the second liquid, and the other second water quality sensor measures the water quality of the second wastewater. The evaluation unit evaluates the other second water quality sensor based on the evaluation result of one of the second water quality sensors. A sensor evaluation device according to any one of claims 1 to 4.

10. The first state information includes the output value of a power unit that discharges a first exhaust gas, wherein the first exhaust gas is introduced into a reference exhaust gas treatment device owned by the reference vessel, and the output value is included. The aforementioned storage unit includes: The first liquid introduced into the reference exhaust gas treatment device is a first water quality measurement value obtained by a first water quality sensor, The first exhaust gas is treated with the first liquid, and the first wastewater discharged by the reference exhaust gas treatment device is compared with other first water quality measurements taken by another first water quality sensor. The output value of the aforementioned power unit and, It is remembered, The evaluation unit evaluates the other second water quality sensor based on one first water quality measurement value, another first water quality measurement value, the output value of the power unit, and the evaluation result of one second water quality sensor. The sensor evaluation device according to claim 9.

11. The sensor evaluation device according to any one of claims 1 to 4, wherein the storage unit has an evaluation learning unit that generates an evaluation inference model that outputs evaluation inference data indicating an evaluation result for the second water quality measurement when the second water quality measurement of the second water quality sensor is input, by machine learning the relationship between the first water quality measurement value and the water quality standard value and the evaluation result of the second water quality sensor.

12. A sensor evaluation device according to any one of claims 1 to 4, The subject vessel has a second transmitting unit, the second transmitting unit which transmits the second water quality measurement value of the second water quality sensor to the sensor evaluation device, Equipped with, The sensor evaluation device includes a first transmission unit that transmits the evaluation results of the second water quality sensor by the evaluation unit to the target vessel. Sensor evaluation system.

13. The sensor evaluation device according to claim 5, The aforementioned target vessel has a position information acquisition unit, the position information acquisition unit acquires the navigation position information of the aforementioned target vessel, A second transmitting unit having the aforementioned target vessel, the second transmitting unit transmits the second water quality measurement value of the second water quality sensor and the navigation position information of the aforementioned target vessel to the sensor evaluation device, Equipped with, The sensor evaluation device includes a first transmission unit that transmits the evaluation results of the second water quality sensor by the evaluation unit to the target vessel. Sensor evaluation system.

14. The sensor evaluation system according to claim 13, wherein the target vessel has a calibration unit, the calibration unit further comprising a calibration unit that calibrates the second water quality sensor based on the evaluation result of the second water quality sensor by the evaluation unit.

15. A storage step in which the storage unit stores first state information indicating the state of one or more reference vessels, and first water quality measurement values ​​of a first water quality sensor possessed by the reference vessel, the first water quality measurement values ​​when the reference vessel is in the state indicated in the first state information, The generation unit performs a generation step of generating a water quality standard value when the target vessel is in the state indicated in the second state information, based on second state information indicating the state of the target vessel, the first state information and the first water quality measurement value, An evaluation step in which the evaluation unit evaluates the second water quality sensor based on the second water quality measurement value of the second water quality sensor possessed by the target vessel and the water quality standard value, A sensor evaluation method comprising the following:

16. A sensor evaluation program for causing a computer to function as a sensor evaluation device according to any one of claims 1 to 4.

Images