Speed Controller TRIZ Cases

A phased activation method controls an electric machine inverter to smooth neutral point currents using leakage and main inductance.

Gate drive coils integrate into power modules to enhance common source inductance, reducing energy loss during high-speed switching transitions.

Electric motor supplements power to balance engine torsional loads, resolving noise and vibration issues from cylinder cutout.

A hybrid vehicle braking controller calculates regenerative torque in advance to reduce communication delays between control units.

Controller computes slip error from wheel speed to adjust torque, preventing excessive spin without mechanical brakes.

Segmented coaxial wheels resolve the trade-off between left-right stability and portability by maintaining a narrow footprint.

Internal cooling channels in the capacitor manage heat, enabling higher ripple current handling and increased power density.

A computer system detects brake pedal taps to adjust regenerative braking torque dynamically.

A low-voltage DC-DC converter adjusts output voltage based on hybrid vehicle driving modes to optimize auxiliary battery charging.

Attenuation filtering device adjusts torque instruction signals to suppress natural oscillation frequencies in vehicle drive systems.

A controller determines contactor status by measuring coil inductance and time constant without direct voltage measurements.

A vehicle driving apparatus combines motor forces via a planetary mechanism while controlling frequency ratios to reduce acoustic dissonance.

Segmented suspended support isolates motor housing from axle vibrations, enhancing reliability while maintaining rigid axle adaptability.

A two-speed differential gear uses an integrated coupling device to switch between planetary carrier and housing connections.

Laser scanners measure container wall distances to calculate steering angles, eliminating manual driver fatigue and collision risks during stack navigation.

A modular converter control method adjusts operation modes based on transferred power to minimize switching losses.

Circuit arrangement supplies electric vehicle machine and power net via single battery reference potential terminal.

Display unit shows route sections assigned to specific operating modes alongside explanations, reducing unnecessary driver interventions.

Rotating magnets induce eddy currents in conductive substrates to generate lift and propulsion, eliminating dedicated guideways and reducing construction costs.

Segmenting power cables isolates motor oscillations from the battery, preventing thick cable interference while maintaining reliability.

A control method calculates virtual pedal force to determine motor output for electric bicycles.

A wheelchair control system uses pulse width modulation braking signals to gradually slow the motor rotor via inertial and force sensing.

Lane-based inertia drive control adjusts motor torque during lane changes to prevent rear vehicle obstruction while maintaining fuel economy.

A train operation support system corrects performance curves to maintain headway between trains.

A hybrid drive control apparatus adjusts engine torque to prevent motor generator over-speeds.

Electronic control unit manages inverter phase states to stabilize voltage during sensor faults, enabling continuous motor drive and extended travel distance.

A protective housing consolidates power distribution units, chargers, and junction boxes into a single chassis-mounted unit.

Segmented internal frame enables plush doll to stand upright, resolving stability issues against softness constraints.

An integrated motorized wheel assembly enables autonomous hospital bed movement, resolving manual effort constraints through dynamic load adaptation.

A vehicle converter operates as an inverter to drive the motor during primary inverter breakdowns.

A single electric machine drives both axles via a differential shaft, reducing device complexity while maintaining torque vectoring capability.

Film sensors on an assist wheel detect handrim rotation to generate sensor values that trigger a driving assembly, reducing user fatigue during propulsion.

A control system calculates motor speed and road gradient to determine anti-jerk compensation torque.

A converter shares diodes and switching devices to boost battery voltage for the main motor.

A shift range switcher controller estimates motor and electronic unit temperatures using heat generation and dissipation adders and subtractors.

A predictive mathematical model estimates dynamic characteristics to generate counteracting torque setpoints in vehicle regenerative braking systems.

Electronic shift transmission eliminates clutch slippage and overheating while enabling efficient terrain energy accumulation.

A motor control system stepwisely decreases creep torque during range transitions to smooth vehicle operation.

A controller adjusts negative wheel torque thresholds using neural network friction predictions to optimize energy recovery in electrified vehicles.

A steering system controls left and right in-wheel motor torques to generate a precise wheel angle for curve driving.

A traction control system adjusts adaptive gain coefficients and time constants based on real-time slip ratios to stabilize torque delivery.

A wheel anti-lock system limits regeneration torque to prevent wheel locking during electric motorcycle deceleration.

A transmission system with a dynamic clutch mechanism connects primary and secondary shafts for electric vehicles.

Dynamic controller adjusts solar cell converter states based on load consumption and battery state of charge to minimize power conversion losses.

Merging two axles into one gearing unit reduces structural complexity and manufacturing cost while delivering all-wheel drive capability.

A variable speed rotor rotates at a minimum rate when energized to provide a visual warning.

A vehicle control device drives wheels with negative force based on paddle lever operation amount.

Inductive coupling powers the trolley while leaky feeder communication handles control signals, eliminating wire tangling on curved paths.

A two-stage planetary gear shifting apparatus for electric vehicles adjusts transmission ratios to optimize motor output.

A motor generator unit switches between high and low voltage energy storage systems via solid-state rectifiers.