System includes that sensor is configured to determine reading and about people is sitting in chair Processor is configured to handle the pose estimation that the reading from sensor is about people and is based on sensor reading And haptic feedback devices, that is, it is located at chairman Wherein the processor is configured to indicate that the haptic feedback devices, to provide posture of the touch feedback to people based on estimation. Method includes: to obtain reading to be sitting in chair about people The people of attitude estimation error is based on reading Posture of the selection by the feedback being provided to people based on estimation With sending touch feedback, it is based on the feedback, wherein touch feedback is supplied to individual by haptic feedback devices, that is, is located at chairman.
