Abnormality detecting system, abnormality detecting apparatus, abnormality detecting method, computer program, and chain

An abnormality detection system, comprising:

• a sensor unit including a sensor, to be fixed to a chain that is to be attached to equipment, and transmitting an output from the sensor;
• and
• a communication apparatus receiving the output from the sensor unit,
• wherein
• the sensor is an acceleration sensor or an angular velocity sensor,
• the sensor unit comprises:
• a detection section which detects an abnormality of the chain and the equipment or an abnormality of the equipment based on the output from the acceleration sensor or the angular velocity sensor;
• a determining section which determines a location of the abnormality of the chain and the equipment in which the chain is attached or a location of the abnormality of the equipment, the location of the abnormality being detected by the detection section in the equipment, based on a position of a part where the sensor unit is fixed to the moving chain in the equipment in each time point;
• a wireless communication section transmitting the abnormality and the determined location of the abnormality when the abnormality is detected by the detection section.

An abnormality detection method, comprising processes of:

• obtaining an output transmitted from a sensor unit fixed to a chain attached to equipment, the output being sent from a sensor which is provided to the sensor unit, and which is an acceleration sensor or an angular velocity sensor;
• detecting an abnormality of the chain and the equipment or an abnormality of the equipment based on the obtained output;
• determining a location of the detected abnormality of the chain and the equipment in which the chain is attached or a location of the detected abnormality of the equipment, based on a position of a location where the sensor unit is fixed in the equipment in each time point;
• and
• outputting the detected abnormality in association with the determined location.

A chain fixed to equipment, the chain comprises:

• a sensor which is an acceleration sensor or an angular velocity sensor;
• a position-data obtaining section which obtains position data for determining its own position;
• and
• a processing section which stores or outputs outwards an output sent from the sensor in association with the position data,
• wherein the chain is configured to detect an abnormality of the chain and the equipment or an abnormality of the equipment, based on the output from the sensor and determine a location of the detected abnormality of the chain and the equipment in which the chain is attached or a location of the detected abnormality of the equipment.