Speed Controller TRIZ Cases

Manual boost control tracks remaining boost energy and adds torque only under enable conditions, giving drivers flexible race strategy.

Wheel-speed feedback adjusts forklift regenerative braking torque to avoid wheel lock while keeping stopping distance short.

Vehicle control parameters are adjusted from vibration spectra and battery SOH feedback to limit vibration-driven battery aging.

A symmetric power-module layout around a shared capacitive module simplifies three-phase output, cuts interface complexity, and improves inverter compactness.

Shifter-triggered motor torque maps let drivers unlock special EV characteristics through specific actions, adding manual-like engagement.

Obstacle sensing and motor control let a mobile charging cart stop automatically, cut user labor, and avoid collisions in parking areas.

On positive gradients, brake-assisted torque limiting prevents traction motor overheating during hill-hold while preserving smooth launch response.

Temperature-based PWM adjustment keeps inverter switching frequency outside resonance bands, reducing heat, noise, and electric resonance.

Input-output dynamic linearization replaces complex EMU mechanics, improving high-speed train control accuracy while reducing computational load.

Gradient-limited regenerative torque cuts ABS cycling and vehicle shaking, then restores driver demand after ABS deactivation.

Adjusts target acceleration and control gain from pedal speed and demand to boost response while avoiding jerk near zero acceleration.

A lever above the brake lets riders reduce drive or regenerative braking without releasing the grip, improving simultaneous control.

Changing motor current phase at vehicle vibration timing and irregularizing current cycles helps cut torque pulsation impact on ride comfort.

Slope detection and twin clutch torque control keep both drive wheels braked on inclines, while an electromagnetic brake holds torque without power.

By comparing battery and ambient temperatures, this case avoids unnecessary EV take-off lockout while still blocking true thermal risk.

Topography-based brake control balances regenerative, auxiliary, and service braking to hold speed downhill without overcharging batteries.

A supplementary electric drive axle boosts trailer propulsion and braking with low-latency control, avoiding major hardware retrofits.

Reducing pad-disc clearance during regenerative braking speeds friction brake engagement and smooths the shift to emergency braking.

Voltage and speed thresholds trigger open-circuit control to cut current, reduce switch heating, and protect converter reliability.

An auxiliary battery charges the main EV battery through the motor system, extending range without raising motor voltage requirements or weight.

By driving the AC compressor from the EV powertrain, this case removes a separate motor to cut space use, cost, and power consumption.

Closed-loop wheel force control uses pedal input and measured acceleration to offset slope resistance and keep EV acceleration feel consistent.

Movable printhead shafts cut printing time by redistributing print work, adapting to varied surfaces, and avoiding head collisions.

Counteracting unwanted vehicle motion with traction, friction braking, and adhesion control helps hold standstill with smaller brake dimensions.

Sensors, motors, and oblique lateral rollers keep a two-wheeled vehicle upright while enabling drifting and wheelie maneuvers.

A zero-sequence voltage taken from a star-point midpoint powers the auxiliary network, cutting converter count while preserving isolation.

Road-type and travel-load correction improves EV energy-use estimates on planned routes without adding heavy calculation complexity.

Selective coupling in a double-shaft hybrid power layout lets the engine and motor share or split hydraulic and drive loads with less structural complexity.

A controller uses battery overcharge and over-discharge conditions plus fuel cell efficiency to hold steadier output and cut accessory consumption.

Early torque-limit presetting from leading driver signals smooths single- to dual-axle transitions and prevents AWD jolts.

A zero-sequence voltage from the motor inverter powers the auxiliary network, avoiding extra converters and preserving main load supply.

Interchangeable main and auxiliary power sources let a bin-handling robot swap batteries automatically and avoid recharging downtime.

Weighted throttle and attitude torque control keeps vehicle tilt within a safe angle threshold while preserving responsive stunt handling.

Wear models track boosted-mode torque and battery power use to predict component life and limit operation before premature failure.

Dynamic switching between battery and engine-generator power extends flight range while reducing noise in sensitive surroundings.

Selective creep derating separates propulsion from steering commands, preserving steering power and avoiding slow reverse travel with dozer attachments.

Secondary controllers stay awake to finish housekeeping tasks before coordinated CAN-FD shutdown, preventing errors from incomplete tasks.

Asymmetric current sensing triggers inverter short-circuit mode so aircraft AC contactors can open faster and limit fault energy.

Agent-based fleet simulation links battery, vehicle, and environmental data to place EV chargers with better coverage and lower overbuild.

Controlled rear-wheel slip uses torque differentials and sensor feedback to tighten turns in long-wheelbase vehicles while limiting tire and terrain damage.

User-selected eco-mode lowers blade tip speed and deck motor power to extend electric utility vehicle runtime without major cutting loss.

When EV range drops below a threshold, the controller disables external power outlets to conserve battery energy and extend driving distance.

Closed-loop quadrature current control aligns dual eccentric shaft speed and phase to reduce compactor noise and vibration disturbances.

Variable-frequency chopper control balances power between traction motors, energy storage, and resistor grids for efficient dynamic braking.

Pre-switch flux weakening and winding reconfiguration keep EV drive torque continuous through knee-speed transitions.

Slip ratio and friction coefficient sensing lets a lawn mower distinguish grass from pavement and adjust torque and traction control.

An engine-driven generator powers a separate traction motor through a speed change mechanism, cutting ATV fuel use and emissions while preserving response.

A dual-converter PMSM uses block commutation plus PWM to cut switching losses and offset harmonics, improving EV drive efficiency.

Two planetary gearsets and selective shifting elements improve power flow efficiency and maintain traction force during EV gear changes.

Modular cell-level inverters let one EV battery assembly handle AC and DC charging across voltages with fewer components and lower cost.