Sensor controller

A sensor controller system configured to control the operation of an engine,

• the sensor controller system comprising:
• a particulate matter detection sensor;
• and
• a sensor controller comprising:
• a heater connected to the particulate matter detection sensor, the particulate matter detection sensor including an attachment portion to which conductive particulate matter contained in gas is attached, and a pair of opposed electrodes spaced from each other at the attachment portion, the heater heating, via the pair of opposed electrodes, the attachment portion so as to burn and remove the particulate matter attached to the attachment portion;
• and
• a computer processor connected to the particular matter detection sensor and the engine, the computer processor performing at least
• obtaining a sensor detection value, corresponding to a resistance between the pair of opposed electrodes, outputted from the particulate matter detection sensor immediately after the burning and removing the particulate matter due to heating of the heater,
• calculating a first sensor standard value based on the obtained sensor detection value in a state where the particulate matter is removed from the attachment portion,
• storing the first sensor standard value as a first learning value
• correcting a sensor detection value outputted from the particulate matter detection sensor based on the stored first sensor standard value,
• calculating an amount of attached particulate matter based on the corrected sensor detection value,
• outputting a control signal to the engine based on the calculated amount of attached particulate matter, and
• controlling the operation of the engine.