SENSING SYSTEM AND METHOD FOR IMPROVING CONTROL OF A SENSOR DETECTION VALUE

• Main Authors: Kim, Seong Han, Kwak, Sang Hoon, Kong, Hun, Kang, Gun Soo
• Format: Patent
• Language: English
• Published: 06.12.2018
• Subjects: ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVEREDIN A SINGLE OTHER SUBCLASS; CALCULATING; COMPUTING; COUNTING; ELECTRIC COMMUNICATION TECHNIQUE; ELECTRIC DIGITAL DATA PROCESSING; ELECTRICITY; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT; MEASURING; MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION,OR SHOCK; MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR; MEASURING QUANTITY OF HEAT; MEASURING TEMPERATURE; PHYSICS; PICTORIAL COMMUNICATION, e.g. TELEVISION; TARIFF METERING APPARATUS; TESTING; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR

A sensing system and method are provided. The sensing system includes a sensor unit that is configured to output a voltage having a magnitude that corresponds to a detected physical quantity and an amplification unit that is configured to amplify a magnitude in the output of the sensor unit to a constant gain. An offset removal unit is configured to remove a direct current (DC) offset from an output amplified by the amplification unit to generate a first detection signal. An inversion circuit unit is configured to invert the first detection signal to generate a second detection signal. A microcomputer is configured to then calculate the physical quantity detected by the sensor unit based on the first detection signal and the second detection signal.