Speed Controller TRIZ Cases

A fuel cell controller calculates motor velocity using average wheel speed data from an ABS controller when the resolver fails.

Polypropylene or polyethylene foam shells protect battery arrays from external impacts and temperature variations while maintaining structural integrity.

A controller adjusts regenerative torque limits based on shaft speed to coordinate braking forces.

Inductive coupling between vehicles shares energy reserves, reducing area consumption by eliminating return tracks.

Integrating a ferrite choke in the transfer circuit reduces iron losses, improving DC-DC conversion efficiency from 56% to 84%.

A multi-mode engine disconnect clutch device switches between lock and free states to manage torque transmission paths in hybrid powertrains.

A controller manages power distribution across multiple independent powertrains via a unified operator interface.

Modified back EMF observer calculates electrical angle error considering iron loss to stabilize sensorless motor control in ultra-high-speed regions.

Adjacent track segment controllers share local position measurements to compute a compensated value that drives the mover across junctions.

A wheelchair wheel mounts the motor on the axle to keep the hub compact.

A control method adjusts motor speed gradients based on user acceleration commands to manage electric bicycle motion.

A monocoque chassis integrates the battery housing as a structural element to reduce mass and complexity in electric motorcycles.

Segmented supercapacitor groups with individual protection units enable dynamic switching to maintain voltage balance and extend system lifespan.

Dynamic steering linkages pivot rear wheels to improve turning ease while adjustable geometry prevents speed wobble at high velocities.

Gate signal controller toggles switching elements to reset drive circuits, clearing static-induced short circuits and enabling capacitor pre-charge.

A control device calculates manual torque using encoder signals and motor current data.

Adaptive control unit limits electric machine switch-on frequency to extend service life while maintaining charge-air pressure precision.

Active sensor feedback adjusts drive wheel speeds and lift height to maintain stability during standing movement.

A starting control device limits motor output until a dog clutch engages.

A vibration suppression control system stops feedforward and feedback calculations when torque transmission interruption occurs.

A rotatable electric connecting module routes cables in multiple directions via a square housing base, eliminating the need for unique modules per installation.

A normally-on discharge switch connects a resistor across high-voltage bus conductors to dissipate stored electrical energy.

Dynamic switching frequency adaptation balances instantaneous losses with current capacity, enhancing efficiency in rotating electrical machines.

Switching between fixed and variable transmission ratios maintains high efficiency while reducing motor and inverter size.

A hybrid vehicle control system varies driving power output between high and low states to maintain speed.

Switching elements connect electric machine shafts to flange shafts or a transverse differential, enabling torque vectoring for cornering stability.

Adaptive braking control balances energy recovery with directional stability by adjusting deceleration torque based on real-time vehicle dynamics.

Voltage-independent bidirectional conveyor balances mismatched power units, preventing parallel connection hazards while maintaining total output.

A vehicle power connector assembly enables electrical coupling between peloton members to share battery energy.

A controller manages industrial vehicle travel by switching to a speed control mode that maintains a predetermined limit.

A driving assistance apparatus computes dynamic deceleration timings to guide drivers toward economical vehicle operation.

A single pre-charging resistor serves both AC and DC networks via a switching group, reducing installation space and maintenance effort.

Integrating an internal exciter winding into the head-end-power alternator eliminates external power electronics, reducing vehicle weight and fuel consumption.

Vertical positioning of the stator, rotor, and gears resolves rotational resistance caused by oil interference while maintaining necessary lubrication.

A gear shifting controller sets the neutral range to prevent torque generation from the driving motor-generator during accelerator input.

A converter module generates phase-shifted periodic waveforms to improve power conversion efficiency.

Controller stops clutch preparation when regenerative braking demand reduces, preventing sudden pressure changes that degrade shift quality.

A vehicle controller switches resolver diagnostics during wireless charging positioning to prevent sensor errors.

A controller commands an electric motor to generate a progressive brake load that stabilizes the engine at full power for accurate average power calculation.

Integrating touch sensors into the steering wheel enables seamless transitions between manual and automatic driving modes.