Speed Controller TRIZ Cases

Electric units supply supplemental torque during gear shifts to offset engine torque reduction and prevent vehicle speed dips.

Variable second clutch torque gradients reduce acceleration delay by balancing cranking stability with rapid engagement.

Dual-redundant power wires and encoder-based sequence detection allow arbitrary car reconfiguration while eliminating single-point electrical failure risks.

A disconnect clutch engages a planetary ring gear to enable selective torque transmission and improve energy efficiency.

Integrated vapor chambers cool power modules, reducing system weight and complexity while maintaining thermal efficiency.

Location-based speed limits resolve pedestrian safety risks while maintaining efficient travel times in crowded retail spaces.

Binder-free electrodes eliminate polymeric binders to improve electrical performance while maintaining structural stability.

Motor-generator harnesses towing momentum to charge the battery, resolving the contradiction between regenerative braking and ease of operation.

An electric machine controller generates torque ripple to simulate tactile vibrations and audible rumbling through the powertrain.

Computer system balances charge levels between front and rear axle electric energy storage systems by adjusting machine orientation along expected travelling paths.

Controller adjusts regenerative braking torque limit based on powertrain output shaft speed to synchronize with transmission downshifts.

Accumulates electric vehicle driving distance or time to trigger periodic engine operation for maintenance.

A compensation method calculates motor rotor position angles using sampling data to maintain control accuracy.

A pre-driver circuit cuts gate signals to an inverter when a parking brake activates on an electric work vehicle.

A DC converter impresses an AC current into a vehicle power network to derive battery capacity information from electrical reaction parameters.

Variable gear ratios and clutch slip absorb vibrations, reducing mechanical stress during cold starts.

A motor controller manipulates direct and quadrature currents to weaken magnetic flux during regenerative braking.

Segmented power paths combine engine and motor torque through planetary gear sets to resolve efficiency losses in motive torque delivery.

Robotic lawnmower detects magnetic fields from boundary signals to determine position within the work area.

Segmenting power and control modules reduces cable length, weight, and electromagnetic interference.

Double system configuration determines highest brake force via software comparison, eliminating relay weight and improving redundancy.

Exclusive use sections allow marine ECUs to determine roles at startup, maintaining propulsion control despite wiring harness damage.

A drive force distribution control device calculates corrected command values for driven wheels using mode-specific correction amounts.

Segmented generators and electromagnetic clutches extend driving range by eliminating mechanical transmission complexity.

A battery pack monitoring system limits traction motor torque to protect the fuse from excessive currents.

A control unit detects vehicle obstacles using sensor data to adapt motor drive operation.

An electric motor applies resistive torque to create a pitching motion that warns drivers of deceleration zones without physical speed bumps.

Master inverter module transmits high-voltage control signals to slave modules, eliminating cross currents from runtime tolerances.

Switch box bypasses inverters to reduce energy losses and component size while improving peak power delivery.

Electronic control unit adjusts electric motor load factor limits based on detected temperature and driving mode.

Decoupling the planetary gear set isolates negative driveline torque during heavy duty diesel engine starts, ensuring smooth mode transitions.

A hybrid powertrain control system dynamically distributes torque between front and rear axles based on driver requests.

A vehicle stability control device adjusts front and rear axis target slip ratios to generate an additional yawing moment for maintaining lateral stability.

Segmenting the hub bearing and adding a seal member prevents lubricating oil from contaminating the brake rotor while shortening the motor unit.

A controller identifies faulty current sensors in electric vehicles by setting d-axis voltage to zero and q-axis voltage to a non-zero value.

A mobile vehicle positions protruding structures outside the LIDAR scanning range to prevent detection interference.

A longitudinal motion-sensing vehicle system uses motor stator reaction forces to provide real-time balance feedback for rider posture adjustment.

System detects forward or backward motion by analyzing motor shaft speed and torque signs, resolving ambiguity in motoring versus generating modes.

A control unit dynamically adjusts active drive units on rail vehicles to match tractive force requirements.

A vehicle drive device adjusts multi-plate clutch pressing force using stationary test operation data to ensure precise engagement.

An interlock system monitors cord attachment and vehicle activation state to manage powertrain disablement.

A motor locked-rotor torque control method adjusts stator magnetic field angles to minimize torque during electric vehicle charging.

An adaptive controller adjusts variable speed generator operating points using dynamic load-based offsets to maintain optimal power delivery.

A driving-force controller manages left and right wheel torque distribution for electric vehicles.

Hierarchal Cascaded Multilevel Converter applies phase-shifted PWM modulation to resolve uneven State of Charge across series-connected battery modules.

A speed control device coordinates regenerative and hydraulic braking to maintain target velocity.

A controller shifts the traveling electric motor operating point to a stronger field side.

A field current limiting section constrains electrical conductivity based on accumulated usage thresholds to manage thermal conditions.

A bicycle control apparatus adjusts assist ratios using dynamic threshold values updated by rider manual switching operations.