Engagement control for a servo-assisted, manually switched synchronously fragments - the compound transmission (c.sub.m h.sub.2m o) .sub.n r.sup.12.

摘要

A control for enhanced manual shifting in a computer-assisted (48) vehicular splitter-type compound transmission (16) having a synchronized main section (16A) shifted by a manually operated shift lever (31) and a controller (42). The splitter section (16E) is provided with a three- position (L, H, N) actuator (46) and is commanded to a splitter-neutral position upon sensing a main section shift to neutral to reduce the forces required to synchronize the main section.