Speed Controller TRIZ Cases

A boost converter manages power distribution between a battery and ultracapacitor, resolving low driving train efficiency caused by fast dynamics.

A control apparatus coordinates regenerative and frictional braking forces to maintain consistent deceleration feeling during vehicle stops.

Electric machine output reduction enables seamless high to low gear range transitions in four wheel drive vehicles.

A drive source control device adjusts torque command values to suppress excessive rotation speed of individual drive sources.

Dynamic regenerative force distribution reduces power consumption during deceleration while maintaining creep performance on uphill slopes.

An active discharging module automatically removes stored energy from an electric car DC-link capacitor using a power switching transistor.

A shift range control device manages motor winding energization using dual sensor inputs for precise position tracking.

A multiple inverter system uses phase-shifted PWM signals to reduce DC bus current ripple, allowing smaller capacitors.

An intelligent distributed power system reduces operator workload by calculating optimized throttle settings based on track data.

Controller increases front wheel torque difference during cornering to maximize regenerative energy recuperation.

Regeneration control charges the electricity storage device by converting motor rotor inertial force, extending operating time despite limited battery space.

A drive motor control system generates a de-rated torque command signal to reduce rotational speed response near zero speed.

A motor controller generates assist torque using rotor position and speed signals to stabilize vehicle dynamics during parking maneuvers.

Segmented isolation circuits resolve communication reliability conflicts by blocking electromagnetic noise on long marine drive-by-wire bus lengths.

Adaptive fuzzy logic traction control dynamically selects optimal torque compensation techniques to resolve efficiency trade-offs in electric vehicles.

A slip control device uses a Smith predictor to generate torque compensation values for wheel rotation speed.

A driving force controller uses a feed-forward compensator to compute target torque commands for electric vehicles.

A vehicle controller synchronizes electric motor torque with engine combustion cycles to replicate traditional engine beating sensations.

Dynamic torque increase rate control suppresses unwanted low-speed acceleration while maintaining responsive high-speed performance.

An epicyclic gear electric drive system uses independent motor control to maintain optimal efficiency across varying vehicle speeds.

Backup sensors provide alternative inputs when the primary angle sensor fails, maintaining energy recovery during brake events.

A vehicle control device reduces battery charge level before downhill sections using motor output to prepare for regeneration.

Autonomous vehicle control system detects surrounding vehicle lane change intentions to adjust speed and maintain safety.

Equal length current paths reduce leakage inductance and improve cooling efficiency in vehicle electronic modules.

A high-voltage system control device cuts off power via a main relay when automatic braking activates during travel.

Stacked electric power source device nests substrate components inside larger modules to maximize mounting surface area.

A High Voltage Interlock Strategy module detects interface cable connectivity using feedback current signals from a power conversion circuit.

Controller-modulated semiconductor switches eliminate pre-charging circuits and limit damaging inrush currents.

A controller uses dual control sections to determine electrical actuator switch states via independent command and drive signals.

A vehicle control unit manages low-voltage DC/DC converter output voltages using a dynamic charging table.

Segmenting range selection from fine tuning via integrated buttons eliminates driver fatigue caused by holding unstable intermediate lever positions.

A creep cutoff control device maintains torque output in low speed regions to prevent unintended power reduction.

Independent wheel drive and sensor detection align the chassis with pallets, resolving collision risks from mispositioned loads.

A regenerative coordination brake control device minimizes switching between restricted and unrestricted braking states using accelerator position data.

Mount high threshold voltage switching devices at higher temperature locations within a power module to stabilize electrical conductivity.

A parking lock control device activates one mechanism and uses a motor to suppress movement.

Secondary sensors detect temperature and voltage imbalances to distinguish internal faults from external ones, preventing machine destruction.

Auxiliary battery-powered brake release assembly energizes electromagnetic coils to disengage fail-safe brakes on electric transaxles.

A controller adjusts regenerative braking torque using a calculated output rate to prevent motor over-temperature states during eco-friendly vehicle operation.

A CVT control unit sets primary and secondary pulley hydraulic pressures to manage differential pressure and torque transmission.

Active filtering compensates interference currents while reducing transformer weight and size.

Segmented planners apply COLREGS rules via velocity obstacles to resolve computational delays while handling multiple traffic boats.

A control apparatus adjusts front and rear motor torque achievement rates to prevent simultaneous wheel slip.

A DC/DC converter system generates AC voltage using dynamic switching frequency control and soft switching mechanisms.

Adjusting nominal output, frequency, and voltage parameters increases excitation voltage to generate high starting torque while reducing power consumption.

Temperature-dependent resistance correction enables accurate magnetic flux detection, preventing irreversible demagnetization in permanent magnet motors.

Motor controller replaces hydraulic brakes with electric torque distribution to resolve stability complexity trade-offs in electric vehicles.