Speed Controller TRIZ Cases

A drive unit control method adjusts torque levels during overrun mode through brake pedal actuation to manage drag and creep forces.

A dual-motor electric drive transmission coordinates motor torque to maintain continuous power output during gear changes.

Electronic drive dynamic control unit outputs target slip corridors to the drive control unit for faster rotational speed adjustment.

A train control device calculates deceleration ratios to adjust brake commands for precise stop positioning.

Controller sets target braking split ratio within allowable range of transmission split ratio during motor braking.

Adjusting inverter switching frequency resolves the torque versus switching loss trade-off, improving electric vehicle acceleration performance.

Electronic control unit determines target voltage based on output shaft torque and rotational speed to stabilize inverter input during transmission shifting.

A control unit generates virtual gear stages to adjust motor torque and simulate shifting sensations in electric vehicles.

Segmented traction motors rotate outer wheels faster than inner wheels to reduce operator fatigue and improve stability during tight turns.

A vehicle control apparatus calculates driving force differences to determine optimal mode switching timing for hybrid powertrains.

A malfunction detector monitors motor rotational frequency and direction to trigger drive current shut-off or mechanical braking.

Interpolating voltage performance curves minimizes power losses by selecting optimal voltage commands that balance torque and speed requirements.

Dual feedback control corrects state of charge estimation errors from coulomb counting accumulation by applying online and pre-calibrated battery models.

Torque compensation slows motor speed changes during non-transmission states to simplify rev-matching.

Multiple controllers apply phase-differentiated carrier waves to inverters, canceling high-frequency harmonics and suppressing electromagnetic noise.

A trailer motor system powers wheels and recovers braking energy to maintain battery levels.

Switchable motor drive circuit provides short-circuit braking when regenerative charging is unavailable.

Simulated stepped gear shift control adjusts planetary gear ratios to manage engine rotation speed during hybrid vehicle cruise operations.

A control unit selects between freewheeling and recuperation modes for a motor vehicle traction battery.

Electric vehicle units synchronize power switching to maintain homogeneous dynamics during neutral zone crossings.

A deceleration correcting unit adjusts vehicle braking force based on predicted stopping distance.

A slip control unit adjusts motor torque using feedback from the drive wheel target speed to maintain traction.

Bare die power semiconductor chips receive direct cooling from an electrically insulating liquid flowing around the unpackaged components.

Rail vehicles exchange driving data to coordinate operations, recovering braking energy without centralized infrastructure.

A control method manages towing forces by adjusting regenerative and friction braking based on battery state of charge, reducing mechanical wear.

A vehicle operation management system predicts battery remaining life to align replacement schedules with periodic maintenance intervals.

A wing portion on an electronic component contacts a casing abutting surface to secure pressurizing force for semiconductor module cooling.

A control unit combines multiple electric machines to distribute mechanical power based on loss characteristic curves.

A vehicle information processing system sets operation patterns based on driving habits to determine tailored assistance information.

A control device restricts drive motor torque based on counter electromotive voltage to protect circuit components.

Control unit dynamically weights joystick and weight shift inputs to resolve adaptability versus complexity trade-offs.

A single-shaft two-speed drive system integrates a motor, planetary gear sets, and differential to achieve active gear reduction along one axial line.

A dual battery power supply system adjusts pulse width modulation signal phases to eliminate overlapping high-level periods and reduce electromagnetic interference.

Cyclically varying the inverter switching angle disperses specific harmonic order components, suppressing electromagnetic noise without increasing power loss.

A controller adjusts mover speed and acceleration across track segments using a configuration table.

Dynamically adjusting the mapped driver demand wheel torque relationship to eliminate dead pedal feel and ensure smooth acceleration.

Integrated retainer stopper replaces shims to position oil pump sprocket and resolver rotor, reducing part count.

A hybrid vehicle transmission system segments power paths to optimize gear ratios for distinct speed ranges.

A bicycle communication adapter superimposes converted signals onto raised voltage for power line communication.

Dynamic PWM duty cycle adjustment prevents abrupt acceleration and slippage at low speeds while maintaining maximum rotational speed capability.

Independent control electronics monitor power electronics parameters to detect deviations from target values.

A control apparatus selects between one-pulse and pulse-width modulation modes to manage electric motor drive torque and rotation speed.

A vehicle determines driving range by receiving extra-vehicle weather parameters from nearby cars via car-to-car communication.

An outboard motor control apparatus detects navigation acceleration to dynamically shift gear positions between first and second speeds.

Merging steering and thrust control into a single lever eliminates complex cross-shaped keys while maintaining precise maneuvering capability.

Segmented monitoring device determines brake power values independently of the drive control unit to resolve safety complexity trade-offs in rail vehicles.

Elastic conductive sleeves clamp misaligned power contacts, absorbing assembly forces to protect fragile internal circuit boards.

A controller adjusts vehicle groundspeed to limit regenerative braking power output during electric vehicle operation.

A motor torque filtering control method adjusts gradients to ensure smooth transitions.