Patent ID: 11953528
Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 17:
18. A diagnosis system configured to diagnose an apparatus including a driver device, the system comprising:
an acquisition unit configured to acquire waveform data indicating a waveform related to a current to be supplied to the driver device; and
a determination unit configured to
obtain, based on the waveform data, a change caused by a component of a force in a particular direction applied to the driver device, and
determine a condition of the apparatus based on the obtained change, wherein:

the apparatus is a work device configured to execute a predetermined work,
the current is supplied to the driver device while the apparatus executes the predetermined work,
the force is applied to the driver device while the apparatus executes the predetermined work,
the driver device includes a motor including a rotor,
the force applied to the driver device is applied to the rotor,
the predetermined work is a transporting of fluid by an impeller rotating about a rotation axis,
the motor of the driver device is configured to rotate the impeller, and
the specific direction intersects with the rotation axis of the impeller.