Speed Controller TRIZ Cases

A parallel electric braking system shares total current between two devices to ensure reliable vehicle stopping.

Segmented driving systems distribute power across carriages to prevent thermal engine overheating on inclines.

A regenerative braking control device computes torque by matching response time to frictional brake rate based on vehicle speed.

A controller predicts distance until charge using filtered historical data sets.

In-vehicle controller manages train coasting through loss-of-contact positions to prevent arc discharge and riding discomfort.

A rail vehicle power management system selectively disconnects battery-side applications to preserve charge.

A control circuit determines vehicle acceleration demand limits using smoke constraints and user profiles to filter fuel quantity.

A controller adjusts torque commands for permanent magnet synchronous motors using a voltage bus to maintain constant current magnitude.

A controller uses band pass filtering on torque commands and motor speed to suppress output vibrations.

A torque control method sets requested motor torque to zero below a threshold, eliminating inefficient low-power operation states.

Abnormal short-circuit monitor detects phase currents in synchronous motors to trigger neutral point disconnection.

A securing system with multi-dimensional coupling members restrains low-voltage components in electric vehicles.

Segmented controller monitors torque values of drive and compressor motors to compensate errors, maintaining reliability without separate cooling lines.

A hybrid control unit adjusts motor torque to bridge power gaps during automated manual transmission gear shifts.

A railcar control device adjusts torque commands to specific traction motors.

A ground base device manages train departure timing using stored schedule data for autonomous local operation.

The eTelligent LO algorithm modulates electric drive axle torque via sensor inputs to mimic low-range mechanical behavior.

A pseudo neural network reduces multi-variable torque prediction to single-variable root solving for faster engine control.

A method ascertains functional relationships between driving resistance and vehicle velocity to estimate electrical energy needs.

A control system adjusts electric machine torque output using road grade and vehicle mass estimates to maintain driveline speed during creep conditions.

A dedicated cooling panel conducts heat from internal components to the housing, reducing internal temperatures and improving power conversion efficiency.

A hybrid vehicle controller detects inverter short-circuit faults using engine and motor rotation speeds.

A vehicle control apparatus sets a target slip ratio based on wheel speed difference and body speed to manage traction.

A vehicle driving control method calculates wheel and battery power to output an optimized drive target.

A five-phase electric machine controller switches winding topology between star and square configurations to maintain torque output.

A fail-safe software error detection method generates a pulse signal based on the operation state of monitoring code to verify correct execution.

A control unit calculates a field-oriented heating current vector to rotate the rotor to a torque-free position during electric drive system heating.

A train control device calculates block limit speeds using preceding train schedule data to generate an optimized travel plan.

Independent propulsion lines distribute torque based on vehicle speed to reduce energy losses while maintaining operational reliability.

Segmenting hybrid battery cells via an NPC inverter matches motor voltage needs, extending cell service life and reducing harmonic losses.

A brake system for four-wheel drive electric vehicles uses motor controllers to manage regenerative braking alongside hydraulic actuators.

A gear-shifting system reduces motor power output during bicycle gear changes to ensure smooth engagement.

Segmenting inverters into stackable cells resolves the trade-off between manufacturing ease and adaptability, enabling scalable power configurations.

Sensors monitor folding lever rotation and position to deactivate the motor, preventing battery drain and accidents from improper folding.

Distinct gate lead inductances reduce inductive voltage overshoot during switching, lowering energy loss in vehicle power inverters.

Acoustic controller modulates torque setpoint based on rotor phase angle to generate dynamic driving sound from electric motor.

Voltage-based degradation calculation applies lookup table corrections to maintain vehicle torque output despite fuel cell stack aging.

A switching unit selects standard voltage based on torque sensor identification to apply correct operation voltage.

A wheel hub motor uses Hall sensors to detect rotational velocity and generate compensation power for speed control.

Arranging heavy inverter cases near the lower surface lowers the barycenter, reducing collision impact loads on electric vehicle mounts.

A rotating electric machine rotor incorporates auxiliary salient poles to generate reluctance torque alongside permanent magnets.