Speed Controller TRIZ Cases

A vehicle driver assistance device detects surrounding objects and evaluates object characteristics to adapt overrun and braking phases for efficient energy storage.

Modular hub motors attach to vehicle wheels without removal, enabling dynamic propulsion reconfiguration that reduces maintenance costs and weight.

A braking control device adjusts front and rear wheel torques to maximize regenerative energy capture during vehicle deceleration.

A controller predicts piston displacement to adjust movement direction during braking operations.

Electric motor synchronizes rotation speeds to eliminate frictional energy loss and clutch wear during drive force transmission.

A regeneration powertrain interfaces with an antilock braking system to inhibit regenerative braking torque reduction during high deceleration events.

Multi-mode electric drive system uses lock-up clutches to adjust operating states within a Ravigneaux planetary mechanism.

An auxiliary inverter system adjusts electric motor speed by detecting secondary voltage levels from a power converter.

Controller raises voltage commands during gear shifts to boost acceleration g-force, resolving the contradiction between stable operation and user experience.

On-board devices autonomously manage rail routes via direct data exchange, eliminating bulky central control hardware to reduce station departure latency.

Auxiliary coils cancel magnetic fields in pulse transformers to maintain signal quality during inter-vehicle communication.

Controller manages engine and motor torque to defend battery state of charge, preventing degradation and fuel loss during uphill driving.

Processing unit compresses digital signal frames using run-length coding to transmit data across traction power networks.

A contactor control circuit detects electric potential difference across terminals to time switching sequences for smooth pre-charge operations.

Radial motor orientation eliminates axial protrusion, reducing total device volume while suppressing vibration and improving noise controllability.

A control unit switches regenerative braking limits between travel modes to manage vehicle speed and direction based on driver input.

A vehicle controller determines estimated driving distance using power matching data and current fuel efficiency.

Dynamic power limit adjustment prevents storage device overload and protective tripping during high motor power operation.

A hybrid vehicle controller adjusts electric machine power limits to warm the battery pack using cabin air and regenerative braking.

An electronic park brake system applies reverse torque to drive wheels or locks them to secure electric vehicles.

Merging gate control devices into one unit reduces system complexity and cost while maintaining individual motor precision.

A segmented insulating body exposes busbar surfaces to a thermal gap filler, enabling direct heat transfer from the conductor stack.

A transformer-based variable voltage converter reduces inductance and capacitance requirements through electromagnetic induction.

Comparing calculated and measured yaw rates enables precise slip detection under load, resolving accuracy trade-offs in electric work vehicle traction control.

Multi-horizon optimization manages intersection propulsion profiles to balance green-phase passage with reduced stop times.

Porous arcuate guard section ejects debris via air stream, resolving efficiency losses from motor struggle against accumulated clippings.

Dynamic cooling pump control maintains stack voltage during idle stop modes, preventing drivability loss from excessive temperature reduction.

A traveling assist device determines surrounding detection sensor normalcy to adjust lane change control parameters.

Sequential wheel switching prevents simultaneous power adjustments that destabilize vehicle position during regenerative braking.

A vehicle powertrain controller applies continuous drive torque to wheel groups in predetermined directions relative to the longitudinal axis.

A low voltage high power electrified powertrain uses independent battery modules and a power inverter to drive an electric motor.

A motor driving control apparatus calculates assist torque by mixing smoothed pedal input values with real-time data.

A control system adjusts regenerative braking torque based on motor speed and clutch slip conditions.

A method generates driving instructions based on route and temperature data to guide electric vehicle drivers.

Second electric machine operates in zero slip mode to decrease generated electrical energy during vehicle braking.

A control apparatus adjusts carrier frequencies to separate bus and switch harmonic components in power conversion systems.

A battery control device standardizes management systems through an event-driven arbitration layer that enables independent module operation.

A hybrid vehicle control method adjusts engine revolutions per minute to manage motor speed and inverter electrical stress.

A vehicle control apparatus manages deceleration using engine braking combined with mechanical and regeneration brakes.

A controller permits driving mode switching in battery electric vehicles only when the steering wheel is gripped.