Speed Controller TRIZ Cases

An electric machine generates counteracting torque to reduce mechanical stress on drive train components during vehicle operation.

A control system adjusts accelerator pedal response curves to match individual driver habits.

Replacing mechanical cables with electrical signals reduces installation complexity and component count while maintaining reliable throttle and shift control.

A boat steering system controller calculates a dynamic deflection angle limit for the direction guide member based on sensor data.

Oil circulator manages fluid levels inside the vehicle driving apparatus case to cool the stator and lubricate rotating components.

Stopping transmission input shafts during engine stop recovers kinetic energy as electrical power while minimizing restart torque disturbances.

One-way clutches replace hydraulic brakes in a power plant, eliminating dragging losses and improving responsiveness.

Controller simultaneously applies anti-lock braking torque and regenerative braking torque to improve fuel economy while maintaining braking control.

A battery conditioning system optimizes temperature while off charge to enable improved vehicle performance.

A motor controller selects flux modes to modulate torque currents and magnetic properties.

A marine jet propulsion reverse gate adjusts opening degrees to balance propulsive forces and improve steering response.

A second controller measures phase currents and rotor position to calculate estimated torque for electric vehicle propulsion.

Reverse rotation of the electric drive motor releases the retainer constraining mechanism, preventing energy waste during two-wheel drive transitions.

Motor controller aligns electric motor angular velocity with clutch disk speed during gear shifts, reducing torque change rate and mitigating shifting impact.

Segmented pathways resolve safety-power trade-offs by combining galvanically isolated inductive charging with high-power direct connection.

A bi-directional boost converter allocates auxiliary energy to the DC link, reducing waste from partial load operation.

A control unit manages power supply to an electric motor using a driving battery and capacitor for rapid acceleration response.

A counter-rotating electric motor system switches operational modes to optimize power usage across vehicle speed ranges.

A method dynamically switches an inverter between open circuit and short circuit modes to manage permanent magnet synchronous machine faults.

A vehicle control system calculates model speed using interpolated wheel speeds to generate anti-jerk torque.

Electronic control replaces mechanical gears to resolve complexity trade-offs, delivering customizable driving sensations while reducing maintenance costs.

Segmenting the output shaft into two independent units reduces vibrations and noise while improving assembly characteristics for FR-type vehicles.

Switching between PI and P control methods prevents wheel locking during low-speed turns, improving user comfort and vehicle stability.

A Luenberger observer calculates oscillating temperature swings in inverter components to estimate power semiconductor heat.

Segmenting power transfer across multiple ECUs resolves the reliability-productivity trade-off by maintaining motor output during thermal warnings.

A vehicle turning control device adjusts target yaw rates using dynamic control gains to maintain stable handling.

Charges DC-link terminal with motor counter electromotive forces to maintain voltage control and prevent battery discharge when main relay fails.

A vehicle control device adjusts torque command values to suppress vibrations during cruise control mode.

A multiplexing topological structure integrates duplex-winding motor control with onboard charger charging via relay switching.

Traction machine switches to generator mode to feed electrical energy into the DC intermediate circuit of a rail vehicle trainset.

A hybrid power train energy management method regulates electric machine power and engine operation based on real-time thermal parameters.

An energy management system adjusts vehicle propulsion and thermal parameters using real-time sensor data to optimize battery performance.

Continuous torque distribution adjustment eliminates driver discomfort from sign inversions while stabilizing vehicle orientation.

Multi-step model predictive iterative technique determines instantaneous peak current using voltage-limited extrapolation of resistances and open-circuit voltage.

Active shift control adjusts gear stages during regeneration to maintain high motor efficiency while preserving driving familiarity.

Clutch adaptation during hybrid drive engine start-up synchronizes speeds via controlled slip, reducing wear and improving reliability.

An inversion control part discriminates disturbance causes using wheel rotation speed to determine output torque.

A silicon carbide semiconductor device uses a metal silicide layer to lower contact resistance at electrode interfaces.

Gate insulating layer with varying oxygen density and dopant region stabilizes SiC MISFET threshold voltage.

A rotary toggle switch decouples the operating lever pivot axis from the shift drum rotation to increase microswitch actuation capacity.

Controller calculates deceleration target speed profiles using road slope data to manage vehicle braking dynamics.

A motor control unit stops the drive motor based on detected pedal force and travel distance to prevent chattering during low-speed riding.

A control unit laterally positions a charging arm to contact road infrastructure, enabling continuous energy transfer during autonomous driving.

Segmented platform sections replace mechanical linkages to eliminate large turning radii and trip hazards while maintaining reliable self-balancing.

Normalized torque values enable seamless hybrid drive integration while preserving existing engine control logic and minimizing memory usage.

A tri-state overrunning clutch manages power distribution between engine and motor in hybrid driving systems.

A torque budgeting apparatus distributes electrical torque targets to independent field-oriented motor circuits across drive wheels.

A vehicle control method increases deceleration during steering to enhance yaw rate generation.