Tactile Device Inspection System, Device, and Method

A tactile device inspection system for determining quality of tactile devices each configured to generate a traction illusion by vibrations, the tactile device inspection system comprising:

• a tester configured to obtain a test result indicating a subjective evaluation of a subject with respect to a traction illusion generated by a sample of the tactile devices prepared beforehand;
• a quality checker configured to check quality of the sample in accordance with the test result;
• a measurer configured to perform measurement processing to obtain objective sample characteristic data representing the traction illusion generated by the sample;
• a feature computer configured to compute a reference feature to be used to determine quality of an inspection target of the tactile devices targeted for inspection in accordance with a quality check result indicating the quality of the sample and the sample characteristic data of the sample;
• an inspector configured to perform measurement processing to obtain objective inspection target characteristic data representing a traction illusion generated by the inspection target;
• and
• a determiner configured to compute an inspection target feature indicating a feature of the traction illusion generated by the inspection target in accordance with the obtained inspection target characteristic data, and determine quality of the inspection target in accordance with a comparison result of the inspection target feature to the reference feature.

A tactile device inspection apparatus comprising an arithmetic processing circuit for determining quality of tactile devices each configured to generate a traction illusion by vibrations, wherein the arithmetic processing circuit is configured to perform:

• a data acquisition process of obtaining, from a sample of the tactile devices prepared beforehand, a test result indicating a subjective evaluation of a subject with respect to a traction illusion generated by the sample and objective sample characteristic data representing the traction illusion, and obtaining, from an inspection target of the tactile devices targeted for inspection, objective inspection target characteristic data representing a traction illusion generated by the inspection target;
• a quality check process of checking quality of the sample in accordance with the test result;
• a feature computation process of computing a reference feature to be used to determine quality of the inspection target in accordance with a quality check result indicating the quality of the sample and the sample characteristic data of the sample;
• and
• a determination process of computing an inspection target feature indicating a feature of the traction illusion generated by the inspection target in accordance with the inspection target characteristic data obtained from the inspection target, and determining quality of the inspection target in accordance with a comparison result of the inspection target feature to the reference feature.

A tactile device inspection method of determining quality of tactile devices each configured to generate a traction illusion by vibrations, the tactile device inspection method comprising:

• a test step of obtaining a test result indicating a subjective evaluation of a subject with respect to a traction illusion generated by a sample of the tactile devices prepared beforehand;
• a quality check step of checking quality of the sample in accordance with the test result;
• a measurement step of performing measurement processing to obtain objective sample characteristic data representing the traction illusion generated by the sample;
• a feature computation step of computing a reference feature to be used to determine quality of an inspection target of the tactile devices targeted for inspection in accordance with a quality check result indicating the quality of the sample and the sample characteristic data of the sample;
• an inspection step of performing measurement processing to obtain objective inspection target characteristic data representing a traction illusion generated by the inspection target;
• and
• a determination step of computing an inspection target feature indicating a feature of the traction illusion generated by the inspection target in accordance with the obtained inspection target characteristic data, and determining quality of the inspection target in accordance with a comparison result of the inspection target feature to the reference feature.