Electromagnetic Valve Actuation with Temperature-Adaptive Current Profiles

The patent applies dynamic current adaptation by continuously monitoring fluid temperature and adjusting the switching current amplitude accordingly. At low temperatures, higher currents are permitted to ensure reliable valve opening against high viscosity forces. At elevated temperatures, the control unit automatically reduces the current amplitude to prevent component overheating, thus dynamically optimizing both reliability and thermal management.

The invention changes the electrical parameter (current amplitude) based on temperature conditions. The control unit stores multiple current characteristic curves with different amplitudes and selectively applies the appropriate curve based on the detected fluid temperature, thereby adapting the electrical input to the thermal state of the system.

The control unit dynamically adjusts the holding current amplitude based on real-time temperature monitoring. At low temperatures where high fluid viscosity creates unstable closing forces, higher holding currents are applied to maintain stable valve positioning. As temperature increases and viscosity decreases, the holding current is automatically reduced to minimize energy consumption and prevent overheating, thus dynamically balancing stability and efficiency.

The invention implements parameter adaptation by selecting from multiple stored current characteristic curves with different holding current amplitudes. The control unit chooses the appropriate curve based on detected temperature, thereby optimizing the holding current parameter to match thermal conditions and minimize unnecessary energy expenditure.

The control unit is pre-programmed with multiple current characteristic curves stored in memory before operation begins. When the system starts, these compensation profiles are already available, and the control unit simply needs to detect the temperature and select the appropriate pre-calculated curve. This preliminary preparation eliminates the need for complex real-time calculations during operation.

The invention implements a feedback mechanism where the control unit continuously monitors fluid temperature and uses this information to automatically select the appropriate current characteristic curve. This closed-loop feedback system ensures that the valve receives the optimal current profile for the current thermal conditions, maintaining high reliability without requiring complex manual intervention or real-time computational algorithms.