Patent ID: 6361473
Filing Date: 2002-03-26
Classification: B60W,F16H,Y10T

Abstract:
A method for controlling dynamic shifting in a manual shifted vehicular transmission system comprising a lever-shifted, non-synchronized transmission having an output shaft and an input shaft drivingly connected to a fuel-controlled engine by a non-positive coupling, a manually operated shift lever movable in a predetermined shift pattern to move a shift member from a neutral position to at least one engaged position for engaging a selected gear ratio, and a system controller for receiving input signals indicative of system operating conditions and processing same according to logic rules to issue command output signals to system actuators, said method comprising the steps of:sensing a position of said shift member; if said shift member is in the neutral position, sensing a presence or absence of conditions indicative of an intention to engage said selected gear ratio by sensing a magnitude and a direction of forces applied to said shift lever; if (a) said shift member is in the neutral position and (b) one of (i) there is an absence of conditions indicative of an intention to engage said selected gear ration, and (ii) there is a presence of conditions indicative of an intention to engage said selected gear ration but substantially synchronous conditions for engaging said selected gear ratio do not exist, then automatically inhibiting movement of said shift member; and if (1) said shift member is in the neutral position, (b) there is a presence of conditions indicative of an intention to engage said selection gear ratio, and (c) substantially synchronous conditions for engaging said gear ratio exist, not inhibiting movement of said shift member.