Speed Controller TRIZ Cases

Smart cruise control adjusts vehicle speed based on road grade to conserve battery energy, extending electric vehicle range.

A rail vehicle energy management system uses segmented power electronic traction transformers to optimize electrical distribution.

Time-modulated drive torque generates vehicle vibrations to provide haptic feedback, enabling precise torque setting during stationary preparation.

A control unit detects passenger presence on a personal watercraft to limit acceleration and torque output.

A controller calculates permanent magnet temperature using a thermal equivalent circuit to adjust inverter power supply.

A torque monitoring system detects anomalies by constructing adaptive templates from driver requests and estimated output.

Hardware backup circuits bypass software errors during initial charging, preventing electrical damage and ensuring reliable voltage monitoring.

Switchable coupling unit isolates faulty cells during operation, eliminating equalizing currents and reducing high-capacitance requirements.

Automatic yaw torque equalization adapts target demands using steering sensor data to ensure wheel torque symmetry.

Rearward-facing charging port configuration prevents rainwater ingress while maintaining rider visibility and operational accessibility.

Direct current modulation replaces speed-based engine control to prevent wheel slip and maintain traction on low-friction surfaces.

A hybrid powertrain controller adjusts electric machine torque to maximize regenerative energy capture during braking events.

Electronic control unit manages rapid power storage device to absorb surplus energy during automatic transmission gear shifts.

A damping control device for electric vehicles calculates the second-order differential of the transmission ratio to determine motor torque adjustments.

Electronic speed controller recycles kinetic energy from decelerating UAV motors through back electromotive force generation.

A control unit adjusts torque output from a synchronous motor while maintaining total drive force using an induction motor.

An electric walking assist vehicle adjusts motor torque based on detected inclination to maintain operability across varying terrain.

A vehicle driving force control apparatus selects target torque distribution ratios to optimize power delivery across multiple drive sources.

A bidirectional DC-DC converter with a floating inductor transfers charge between energy stores, lowering semiconductor voltage stress.

A controller calculates estimated torque from total current and voltage commands to detect coupling disconnection in electric vehicle drive systems.

A vehicle controller switches battery state of charge targets to preserve energy for external loads.

Dynamic target state of charge enables voltage balancing and regenerative braking without extending charging time.

A motor torque control apparatus limits slew rates via a limiter and switch unit to manage acceleration signals.

Interface device consolidates digital and analog handling to reduce wiring overhead while maintaining safety integrity in rail vehicle systems.

A braking element generates torque to trigger an overload clutch within the electrical machine rotor assembly.

A vessel speed control system uses an electronic control unit to adjust throttle opening based on detected boat velocity.

A controller adjusts electric machine braking torque using a predetermined speed profile to manage vehicle deceleration.

Segmented parallel channels reduce pressure loss while maintaining cooling efficiency for electrically-driven vehicles.

A vehicle torque control method adjusts front and rear driver output torques using steering wheel angle and vehicle steering speed parameters.

A control device builds up magnetic flux density in an electric machine before acceleration requests to enable immediate torque increase.

A hybrid charging system segments power delivery between an electrochemical battery and a supercapacitor adder module.

Pyrotechnic actuators trigger spring-loaded brakes to lock rotors, preventing voltage generation during faults.

Controller arbitrates preferability and stabilization factors to identify optimized operating conditions within electrified powertrains.

A hybrid vehicle transmission controller selectively connects speed gears and locks shift clutches during deceleration.

A controller adjusts torque slew rates across hybrid propulsion components to prevent simultaneous lash crossings.

A train speed control device calculates velocity using AC voltage frequency from a tacho-generator.

An electric brake system coordinates regenerative and hydraulic pressures to match driver intent.

Variable switching frequencies reduce RMS ripple current on the common bus, enabling smaller DC link filter capacitors in vehicle propulsion systems.

Vertical partition walls isolate semiconductor devices on a single heat sink, preventing shatter damage while maintaining compact liquid cooling.

A controller supplies acceleration power before peak pedal torque to boost motor responsiveness.

Segmented ECUs connect to dedicated sensors for independent motor control, resolving reliability issues in multi-propulsion systems.

Inductive coupling transfers power to linear drive movers, eliminating fixed connections that restrict motion and reduce throughput.

Centralized cloud platform calculates individual driving profiles to optimize vehicle routes and speeds.

A vehicle drive controller adjusts engine target force during motor mode switching to maintain smooth propulsion.

Pivoting drives extend parallelogram suspensions to reduce actuation time and prevent tipping.

Dual main processor monitors detect faults in the motor control processor. A voting module generates an override command to maintain torque output reliability.

Calculating velocity via pulse timing intervals prevents unstable detection signals on uneven terrain, ensuring stable auxiliary force output.

A control method adjusts motor velocity slope based on travel speed to ensure smooth acceleration.