Speed Controller TRIZ Cases

Segmented payload space and internal omnidirectional wheels expand versatility while maintaining a compact spherical structure.

An integrated unit positions an inverter to overlap a second gear, reducing overall volume while maintaining electrical isolation.

A motor control device channels excitation current to suppress drive shaft torsional vibration in vehicle propulsion systems.

A controller diagnoses irreversible demagnetization by comparing DC current values during electricity generation with pre-stored normal baselines.

A vehicle controller maintains minimum torque demands in forward and reverse powertrains to eliminate mechanical backlash.

Selective coil short-circuiting prevents excessive terminal voltage and untimely braking during inverter failures.

Removable spur gears accessed via a panel enable transmission ratio changes within an encapsulated electric motor housing.

Independent pressure adjusting units optimize braking force distribution between regenerative and non-regenerative wheels, enhancing vehicle stability.

A control device estimates current demands and splits available power among multiple electric motor devices in a construction machine.

A laminated bus-bar integrates directly with the capacitor lead frame to form a homogenous assembly.

Holding plates fix the substrate relative to stacked power modules, enabling shorter control terminals and compact layouts.

A bidirectional converter adjusts voltage characteristics to stabilize electric starter load current.

A motor controller calculates partial discharge inception voltage using atmospheric pressure and coil temperature sensors to regulate output.

Merging throttle controls onto the steering wheel eliminates hand switching, enabling smooth simultaneous maneuvering for inexperienced operators.

A motor control unit discharges stored capacitor energy by supplying power to the motor to generate torque.

A vehicle turning control device calculates yaw moment using slip determination from wheel angular velocity.

A distribution ratio controller adjusts torque between front and rear electric motors based on real-time temperature detection.

Wireless transceivers replace heavy jumper cables, allowing one technician to test multiple-unit conductors.

A controller senses DC link current and motor speed to dynamically adjust torque limits for safe operation.

Counter-rotating main stator with auxiliary control resolves weight complexity trade-off while improving vehicle steering.

Alternating contact surfaces on a circuit carrier minimize the loop area for parasitic induction currents, resolving faults caused by single large transistors.

A vehicle drive device controller converts motor and wheel speed sensor values to maintain accurate rotation state amounts during operation.

A control device increases rotating electrical machine output torque to compensate for wheel transmission loss during upshifting.

Segmented aging counters track short-term and long-term thermal effects, allowing higher transient temperatures while protecting service life.

Active bridge rectifier control system initiates phase short-circuits using dynamic voltage thresholds to manage generator output.

Grounding member connects power inverter module to transmission lid to contain electrical noise within the cavity.

A hybrid vehicle control device manages auxiliary battery charging through a DC/DC converter linked to a high power battery.

A hybrid vehicle control apparatus adjusts battery state of charge before travel segments.

A railcar brake control device manages adhesion during electric to mechanical brake switching.

A hybrid power supply system combines a fixed grid connection with a mobile DC energy storage device to drive electric motors in demolition robots.

Switching motor to speed control during transitions prevents impeller speed spikes caused by disconnect clutch estimation errors.

A safety charging system monitors three-phase current variation to detect motor rotor movement during high-speed electric vehicle charging.

Segmented housing members and chain drives replace costly epicycloid gears, resolving motor placement flexibility constraints in electric vehicle axles.

A modular multilevel converter uses pre-calculated switching tables for real-time control and an offline optimizer to update the table.

A vehicle information calculation apparatus acquires motor torque, angular acceleration, and wheel contact force to determine the rotating system inertia moment.

Extracting the braking function into an independent resistor bypasses network converter limits to ensure reliable deceleration across all maneuver profiles.

A braking control method for eco-friendly vehicles calculates motor torque commands to determine regenerative braking execution amounts.

A portable power feeding apparatus uses U-shaped connecting members to absorb impact loads through controlled deformation.

A gear ratio control system adjusts transmission ratios based on rider profiles and real-time conditions.

Active motor torque compensation counters inertia-induced vibrations from road protrusions, replacing slow passive mounts with rapid feedback control.

A motor with q-axis inductance exceeding d-axis inductance absorbs power fluctuations from the AC source.

Nested protective pipes route mixed-diameter cables under the floor, preserving cabin space while providing electromagnetic shielding and vibration absorption.

An energy storage system charging method manages state of charge and catenary wire voltage to optimize regenerative braking energy recovery.

Integrating vibration resistance into a non-metal duct member reduces component count and complexity in vehicle installation structures.

Controller limits engine speed during wheel slip to prevent generator overspeed, reducing noise and vibration when traction is regained.

Electronic unit dynamically adjusts braking torque split via temperature sensor feedback, resolving inconsistent braking distances caused by thermal variations.

Logical sectors decouple movement planning from hardware segments, reducing device complexity while maintaining precise transport unit positioning.

A brake control system dynamically distributes regenerative braking force between front and rear wheels to optimize energy recovery.

Real-time gradient calculation from a tilt angle sensor determines variable switching conditions, reducing inverter switching loss during hill hold situations.