Vehicle Transmission Shift Timing for Smooth Clutch Torque Transfer

The patent implements feedback control by continuously monitoring actual shift parameters (clutch engagement timing, torque transfer, rotational speeds) and comparing them with target values. The controller adjusts control parameters in real-time based on deviations detected during the shift process, enabling precise control of clutch engagement and disengagement timing to achieve smooth power flow transition.

The patent replaces traditional mechanical shift control with an electronically controlled system that uses sensors to detect shift parameters and an electronic controller to process this data and actuate clutch devices. This substitution enables precise measurement and control of shift timing and parameters, transforming rough mechanical shifts into smooth, precisely controlled transitions.

The patent implements dynamic adaptation by continuously adjusting shift parameters based on real-time operating conditions. The controller monitors factors such as transmission fluid temperature, load conditions, clutch wear indicators, and rotational speeds, then dynamically modifies engagement timing, pressure profiles, and torque transfer characteristics to optimize shift performance under varying conditions.

The patent changes control parameters adaptively based on detected operating conditions. When variations in fluid type, temperature, load, or clutch wear are detected, the system modifies shift parameters such as engagement timing, pressure levels, and duration to maintain optimal shift quality across different operating scenarios.

The patent implements feedback monitoring by continuously measuring clutch-related parameters such as engagement timing deviations, torque transfer characteristics, temperature, and vibration during shift operations. These measurements provide feedback on clutch condition and wear, enabling the system to detect degradation trends and predict remaining clutch life.

The patent enables the transmission system to self-diagnose clutch wear by analyzing its own operational parameters during normal shift operations. The controller processes data from existing sensors to detect wear patterns and predict clutch failure, eliminating the need for separate diagnostic systems or manual inspection.

The patent replaces imprecise mechanical shift control with an electronically controlled system that uses sensors to accurately detect shift parameters and an electronic controller to process this data and actuate clutch devices. This substitution enables precise measurement and control of shift timing and parameters, transforming rough mechanical shifts into smooth, precisely controlled transitions.

The patent performs preliminary determination of target shift parameters before actual clutch engagement. The controller calculates optimal engagement timing, pressure profiles, and torque transfer characteristics in advance based on current operating conditions, then executes these pre-planned actions to ensure smooth power flow transition during the shift.