Speed Controller TRIZ Cases

Electronic control unit estimates pedal torque and adjusts motor current to change wheel speed, restoring acceleration sense lost in chainless designs.

A platoon traffic system dynamically reassigns vehicles between platoons to match real-time passenger demand.

Segmenting the transmission path via a clutch disconnects the engine, reducing pumping loss when the electric motor drives the wheels.

Controller maintains positive torque threshold to prevent backlash occurrence, enhancing acceleration responsiveness and reducing NVH issues.

A controller selects zero-voltage vectors using real-time current and position feedback to optimize three-phase inverter switching patterns.

Traction motor control logic manages electrical connection states during towing operations.

A hydraulic brake system adjusts fluid pressure via a control unit to match driver input and electric machine torque.

A master control unit coordinates battery management and power electronics functions within an electric vehicle architecture.

Control electronics dynamically adjust gate resistance based on temperature and voltage parameters to prevent overvoltage damage from leakage inductance.

A coast regeneration torque control system adjusts slip ratios using wheel speed differences to stabilize vehicle dynamics during deceleration.

Automated spring-loaded ejection removes manual unplugging, resolving the trade-off between ease of operation and time loss during electric vehicle charging.

A controller converts symbol names to memory addresses using a map file for motor drive data access.

Segmented propulsion coils and flipper mechanisms enable precise vehicle control on complex guideways, resolving throughput and cost trade-offs.

A control device monitors brake controller signals to initiate self-braking redundancy, preventing secondary collisions when the primary system fails.

A vehicle control device assesses battery discharge capability before executing predetermined functions.

Diagonally opposing terminal placement in a laminated busbar reduces stray inductance, lowering surge voltages and switching losses in traction inverters.

Controller uses lubricating oil temperature to limit motor torque when cooling water sensor response is slow, preventing overheating.

Calculates motor torque from battery power and speed data to eliminate physical sensors, reducing device complexity while maintaining measurement precision.

A phaser actuator adjusts the angular position of segmented rotor magnets to minimize magnetic interference in electric motors.

Dynamic motor torque adjustment based on rain and temperature detection prevents wheel slip while maintaining acceleration performance.

A portable self-balancing vehicle platform integrates load sensors under foot sections to detect weight distribution for steering control.

Wireless movement detection triggers mode switching in a bicycle control system, lowering electrical power consumption while maintaining response speed.

Inertial compensation unit and stochastic regulator mitigate sensor errors in ultratightly coupled architecture, enabling sub-meter accuracy during signal loss.

Antilock control unit maintains regenerative braking force during ABS activation, preventing friction braking shortages and ensuring stable deceleration.

Covering the electric motor with a shaped battery case lowers the center of gravity below the pivot shaft, resolving stability issues from high energy storage.

Positioning a grounding body inside the inverter housing resolves layout constraints that prevent sufficient downsizing of electric units.

A hybrid vehicle control device manages motor torque to reduce output during simultaneous accelerator and brake operations.

A closed-loop control system calculates a correction torque based on rotational speed to dampen drive train oscillations in electric vehicles.

Automatic trim adjustment returns drive units to optimal positions after reverse or station-keeping modes, preventing porpoising.

Segmenting the case allows the cover member to span only the second section, reducing physical size and simplifying the wiring seal structure.

A traction inhibitor module prevents forward movement when a railway vehicle enters a defined zone behind the extreme stop position.

Diesel generator powers tractor and scraper motors via a power distribution unit to reduce drawbar pull and tire wear.

A hierarchical control method distributes torque to four drive motors using an optimization algorithm.

A controller determines adaptive dead time based on output current to optimize power semiconductor switching signals.

A railcar air-conditioner power supply system converts overhead line voltage into low-voltage DC using an auxiliary power supply and inverter device.

A control unit dynamically adjusts DC intermediate circuit voltage and phase count to optimize power distribution.

Mobile device sensors calculate lean angle from attitude differences, eliminating specialized hardware requirements and manual calibration steps.

A control system adjusts levitation generator angles to maintain vehicle altitude along a projected magnetic flight path.

Dynamic speed profiles adapt to predicted heat generation, preventing battery overheating and preserving electric range.

Selectable one-way clutch transfers torque rapidly by bypassing hydraulic pressure build-up delays.

On-board system calculates train occupancy range using multiple rotation detectors to determine precise positions.

Dynamic relay control reduces energy loss by selectively forming power feed paths based on current requirements.

A drivetrain uses a clutch to link an electric machine to both the geartrain and an HVAC compressor.

A bicycle controller staggers electrical component start times when power drops, reducing fluctuations and stabilizing supply.

A motor control apparatus calculates anti-phase torque to cancel engine vibration using real-time piston position and ignition timing data.

Speed-adaptive torque rate limits resolve low-speed blending delays and rollback risks in electric vehicle one-pedal driving modes.

An electric four-wheel drive system uses wheel motors on semi-axles to drive each wheel independently.

Segmented detection units and feedback loops compensate for magnetic saturation hysteresis to improve torque estimation accuracy.

Control circuit sequences parallel semiconductor switching to generate induction current that turns off the subsidiary device.