Research Article

Dimensional Evolution of Intelligent Cars Human-Machine Interface considering Take-Over Performance and Drivers’ Perception on Urban Roads

Table 1

The driving assistance functions, interaction modes, and the analyzed dimensions.

Driving assistance functionsInteraction modes of take-over tasksDimensions between the interactive component and the steering wheel center

(A) Self-adaptive cruise(A1) Switch the control right by the side stalk D(a11) The PCD between the left endpoint of the stalk D and the vertical centerline of the steering wheel (VCSW)
(a12) The PCD between the left endpoint of the stalk D and the horizontal centerline of the steering wheel (HCSW)
(A2) Switch the control right by the button E(a21) The PCD between the vertical centerline (VC) of the button E and the VCSW
(a22) The PCD between the horizontal centerline (HC) of the button E and the HCSW

(B) Adjustment of the distance between cars(B1) Adjust the distance by the button M which was in the middle of the left spoke of the steering wheel(b11) The PCD between the VC of the button M and the VCSW
(b12) The PCD between the HC of the button M and the HCSW
(B2) Adjust the distance by the button S which was on the bottom edge of the left spoke of the steering wheel(b21) The PCD between the VC of the button S and the VCSW
(b22) The PCD between the HC of the button S and the HCSW

(C) Auto hold(C1) Start the function by button A which was under the electric parking brake (EPB) button(c11) The PCD between the VC of button A and the VCSW
(c12) The PCD between the HC of button A and the HCSW
(C2) Start the function by button B which was on the left of the EPB button(c21) The PCD between the VC of button B and the VCSW
(c22) The PCD between the HC of button B and the HCSW
(C3) Start the function by button C which was on the right of the EPB button(c31) The PCD between the VC of button C and the VCSW
(c32) The PCD between the HC of button C and the HCSW