US-12625035-B2 - Tire management apparatus, program and tire management method

Abstract

A tire management apparatus ( 10 ) for managing tires attached to a mining vehicle having a dual wheel includes a data acquisition interface ( 131 ) configured to acquire driving data on the mining vehicle, a wear state calculator ( 132 ) configured to define two or more calculation positions in one tire and calculate a wear state of the one tire at each defined calculation position based on the acquired driving data, and a wear state corrector ( 133 ) configured to perform correction of the calculated wear state to increase wear in a case in which the calculation position is on an outer side of mounting or an inner side of mounting of the dual wheel.

Inventors

• Hiroyuki Katsuno

Assignees

• BRIDGESTONE CORPORATION

Dates

Publication Date

20260512

Application Date

20220601

Priority Date

20210727

Claims (10)

1. 1 . A tire management apparatus for managing tires attached to a mining vehicle having a dual wheel, the tire management apparatus comprising: a memory that stores a function used in calculation of a wear state of the tire; a data acquisition interface configured to acquire driving data on the mining vehicle; a wear state calculator configured to define two or more calculation positions in one tire and calculate a wear state of the one tire at each defined calculation position based on the acquired driving data, by using the function read from the memory according to the type of the tire; a wear state corrector configured to perform correction of the calculated wear state to increase wear in a case in which the calculation position is on an outer side of mounting or an inner side of mounting of the dual wheel; and an output interface that outputs a corrected wear rate to a display apparatus.
2. 2 . The tire management apparatus according to claim 1 , wherein the driving data includes data on an environment in which the mining vehicle drives, and the wear state corrector is configured to adjust a correction factor used in the correction based on the data on the environment.
3. 3 . The tire management apparatus according to claim 2 , wherein the data on the environment includes weather information including presence or absence of rainfall, and the wear state corrector is configured to adjust the correction factor to increase wear in a case in which rainfall is determined to be present based on the weather information.
4. 4 . The tire management apparatus according to claim 2 , wherein the data on the environment includes road surface information on a road surface on which the mining vehicle drives, and the wear state corrector is configured to adjust the correction factor according to a property of the road surface based on the road surface information.
5. 5 . A non-transitory computer-readable recording medium including computer program instructions configured to cause a tire management apparatus for managing tires attached to a mining vehicle having a dual wheel to execute operations, the tire management apparatus includes a memory that stores a function used in calculation of a wear state of the tire, the operations comprising: acquiring driving data on the mining vehicle; defining two or more calculation positions in one tire and calculating a wear state of the one tire at each defined calculation position based on the acquired driving data, by using the function read from the memory according to the type of the tire; performing correction of the calculated wear state to increase wear in a case in which the calculation position is on an outer side of mounting or an inner side of mounting of the dual wheel; and outputting a corrected wear rate to a display apparatus.
6. 6 . A tire management method to be executed by a tire management apparatus for managing tires attached to a mining vehicle having a dual wheel, the tire management apparatus includes a memory that stores a function used in calculation of a wear state of the tire, the tire management method comprising: acquiring driving data on the mining vehicle; defining two or more calculation positions in one tire and calculating a wear state of the one tire at each defined calculation position based on the acquired driving data, by using the function read from the memory according to the type of the tire; performing correction of the calculated wear state to increase wear in a case in which the calculation position is on an outer side of mounting or an inner side of mounting of the dual wheel; and outputting a corrected wear rate to a display apparatus.
7. 7 . The tire management apparatus according to claim 3 , wherein the data on the environment includes road surface information on a road surface on which the mining vehicle drives, and the wear state corrector is configured to adjust the correction factor according to a property of the road surface based on the road surface information.
8. 8 . The tire management apparatus according to claim 1 , wherein a suggestion for changing a mounting position of the dual wheel tires is displayed based on the corrected wear rate.
9. 9 . The non-transitory computer-readable medium according to claim 5 , wherein a suggestion for changing a mounting position of the dual wheel tires is displayed based on the corrected wear rate.
10. 10 . The tire management method according to claim 6 , wherein a suggestion for changing a mounting position of the dual wheel tires is displayed based on the corrected wear rate.

Description

CROSS REFERENCE TO RELATED APPLICATIONS This application is a National Stage of International Application No. PCT/JP2022/022379 filed Jun. 1, 2022, claiming priority based on Japanese Patent Application No. 2021-122740 filed Jul. 27, 2021. TECHNICAL FIELD The present disclosure relates to a tire management apparatus, a program, and a tire management method. BACKGROUND Systems that acquire data on a vehicle in motion and estimate effects on the tires are known. For example, Patent Literature (PTL) 1 discloses a system that calculates the friction energy in each section of a driving mode and predicts the total wear of tires. CITATION LIST Patent Literature PTL 1: JP 2017-156295 A SUMMARY Technical Problem Among vehicles, mining vehicles are dump trucks and the like used for mining operations and have far larger vehicle bodies than ordinary trucks. In addition, mining vehicles travel on rough, unpaved roads. In the case of predicting the wear state of the tires of mining vehicles, prediction using a system designed for ordinary vehicles sometimes leads to a large deviation from the actual wear state. In view of these circumstances, it is an aim of the present disclosure to provide a tire management apparatus, a program, and a tire management method that can accurately calculate the wear state of tires of mining vehicles. Solution to Problem A tire management apparatus according to an embodiment of the present disclosure is a tire management apparatus for managing tires attached to a mining vehicle having a dual wheel and includes a data acquisition interface configured to acquire driving data on the mining vehicle, a wear state calculator configured to define two or more calculation positions in one tire and calculate a wear state of the one tire at each defined calculation position based on the acquired driving data, and a wear state corrector configured to perform correction of the calculated wear state to increase wear in a case in which the calculation position is on an outer side of mounting or an inner side of mounting of the dual wheel. A program according to an embodiment of the present disclosure is configured to cause a tire management apparatus for managing tires attached to a mining vehicle having a dual wheel to execute operations, the operations including acquiring driving data on the mining vehicle, defining two or more calculation positions in one tire and calculating a wear state of the one tire at each defined calculation position based on the acquired driving data, and performing correction of the calculated wear state to increase wear in a case in which the calculation position is on an outer side of mounting or an inner side of mounting of the dual wheel. A tire management method according to an embodiment of the present disclosure is a tire management method to be executed by a tire management apparatus for managing tires attached to a mining vehicle having a dual wheel, the tire management method including acquiring driving data on the mining vehicle, defining two or more calculation positions in one tire and calculating a wear state of the one tire at each defined calculation position based on the acquired driving data, and performing correction of the calculated wear state to increase wear in a case in which the calculation position is on an outer side of mounting or an inner side of mounting of the dual wheel. Advantageous Effect According to the present disclosure, a tire management apparatus, a program, and a tire management method that can accurately calculate the wear state of tires of mining vehicles can be provided. BRIEF DESCRIPTION OF THE DRAWINGS In the Accompanying Drawings: FIG. 1 is a diagram illustrating a configuration example of a tire management apparatus according to an embodiment of the present disclosure; FIG. 2 is a diagram illustrating a configuration example of a tire management system that includes the tire management apparatus of FIG. 1; FIG. 3 is a diagram illustrating the relationship between frictional energy and wear rate; FIG. 4 is a diagram illustrating calculation positions of tires and correction; and FIG. 5 is a flowchart illustrating an example of a tire management method according to an embodiment of the present disclosure. DETAILED DESCRIPTION A tire management apparatus and a tire management method according to an embodiment of the present disclosure are described below with reference to the drawings. Identical or equivalent portions in the drawings are labeled with the same reference signs. In the explanation of the present embodiment, a description of identical or equivalent portions is omitted or simplified as appropriate. FIG. 1 is a diagram illustrating a configuration example of a tire management apparatus 10 according to the present embodiment. FIG. 2 is a diagram illustrating a configuration example of a tire management system 1 that includes the tire management apparatus 10 of FIG. 1. The tire management apparatus 10 is an apparatus that m