Real-time sitting posture correction system based on highly durable and washable electronic textile pressure sensors

•A real-time sitting posture correction system based on highly durable and washable textile pressure sensors was developed.•Conducting Ni-Ti alloy fiber coated with polyurethane elastomer resulted in highly durable and washable textile pressure sensors.•By analyzing the pressure detected at the different positions under the hip, thigh and back, seven types of sitting postures were successfully classified.•The real-time display on a monitor of changes in sitting posture, which makes users recognize and correct their body balance was simulated.