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A semi-automatic gear-changing system for 12-speed transmission was developed for heavy-duty tractors. Because it was very difficult to cope with all eventual driving situations even with a full electronic control, we remained intentionally some manual driver's operation, such as operating the clutch pedal at starting the vehicle and tipping the shift lever for shifting the gear up or down. Several...
The subject of this work is to study the feasibility of reducing roll angle of commercial vehicles by applying an active roll stabilizer system. An experimental medium-duty truck is produced with the active roll stabilizer mechanism consisting of front and rear stabilizers whose one ends are connected to a hydraulic actuator for each. A feed-forward control algorithm for activating the actuators...