Speed Controller TRIZ Cases

Phase-change refrigerant absorbs rapid heat from switching elements, resolving slow coolant response and preventing high temperature exposure.

Forward iterative method projects battery voltage and current to estimate power capability, resolving accuracy versus computational complexity trade-offs.

A consumed power amount estimation apparatus groups electric vehicles by similar consumption tendencies to estimate energy usage across multiple manufacturers.

Periodic wheel torque variations alert distracted occupants without adding mechanical vibrators, reducing device complexity.

Controller manages DC-DC converter to discharge main battery before charging, balancing salt concentration distributions in hybrid vehicle energy storage.

A multi-phase electrical machine uses a transfer circuit to couple stator star points for direct power flow between on-board networks.

A hybrid power train control device manages torque distribution between electric machines and an engine through a differential mechanism.

Speed-dependent torque curves resolve the conflict between regenerative braking efficiency and driving comfort in parallel hybrid vehicles.

Dynamic phase angle correction in converter controllers reduces primary current harmonics without requiring bulky transformer separators.

A modular electrical drive unit connects multiple independent machines to a common main shaft via a coupling element for scalable torque output.

A power conversion apparatus uses a driver circuit board with through holes to simplify wiring and integrate components.

Detecting slope direction applies compensating torque to prevent electric motor tilting and oscillations when releasing the parking brake.

Segmented shafts enable no-load operation without auxiliary diesel generators, reducing specific fuel consumption and locomotive weight.

A vehicle motor control system dynamically switches coil winding connections between series and parallel modes to adapt electrical characteristics.

A control system detects vehicle driving system backlash by comparing motor speed and wheel speed signals to calculate rotational differences.

Segmented stator housing with curved connecting portions reduces vibration while maintaining manufacturability for efficient all-wheel drive switching.

A hybrid vehicle control system manages second clutch engagement to prevent overheating during low-speed operation.

Embedding magnets in pockets creates saliency, adding reluctance torque to extend speed range beyond base limits.

A marine vessel maneuvering apparatus integrates propulsion and steering control through a universal operational unit.

Motor controller applies reverse torque to neutralize accumulated torsion in the driving system before releasing the parking gear.

High switching frequency operation reduces required inductance and capacitance values, minimizing converter weight and packaging space.

Distributed locomotive control adjusts throttle settings per group to reduce coupler forces on graded tracks while maintaining operational coordination.

A vehicle braking force control apparatus allocates driving torque based on wheel suspension link conversion rates to manage vertical force transfer.

A controller adjusts electric motor torque to counteract powertrain speed oscillations in hybrid vehicles.

A single park lock assembly consolidates locking functions to eliminate redundant mechanisms and reduce system complexity.

A torque response control apparatus adjusts motor output via an inverter to match driver acceleration intent.

A motor controller limits recuperative torque when battery cell voltage exceeds defined thresholds to maintain safe operating levels.

Off-axis electric motor replaces engine-driven reverse gear with a 5:1 torque ratio unit, eliminating auxiliary motors and reducing system complexity.

Front bracket support section contacts motor housing before the power control unit, absorbing collision momentum and reducing shock transmitted to the unit.

A vehicle control device manages system main relay activation using stored power shortage state data.

A vehicle relay control unit switches to a one-side off-state to reduce switch operations.

A control system coordinates drive and differential motors with mechanical brakes to manage wheel torques.

Convex housing bottom nests capacitors to free control board surface area, resolving narrow gap bottlenecks that hinder harness connection workability.

A battery pack heating control system uses motor controller feedback to manage inverter switch modules for precise thermal regulation.

Dual stator windings provide galvanic isolation for battery charging, eliminating heavy transformers and reducing system weight.

A visually correlated radar system renders spatial data alongside image feeds to enhance navigation clarity.

A tactical transport cart uses sealed buoyant wheels and a hybrid motor system for manual navigation over land and water.

A control apparatus varies vehicle torque toward a brake-side request using an adaptive rate value based on steering angle and transverse acceleration.

Torque limiters adjust braking forces based on wheel slip rates and angular acceleration to stabilize vehicle attitude during turning maneuvers.

Segmented control elements resolve state distinguishability contradictions by providing clear visual feedback without complex actuation sequences.

A train brake control device determines air brake stages to compensate for regenerative braking insufficiencies.

Relocating foot platform pivot axes inside the wheel structure stabilizes the auto-balancing device during rider mounting and dismounting.

Relay valves redistribute pressurized fluid to friction brake units, equalizing thermal load and wear across multiple trucks during electric brake failure.

A drive control system configures recuperation levels and hold functions via distinct drive positions to manage vehicle dynamics.

An electric machine generates braking torque via generator or motor modes to maintain consistent pedal feedback.

A watercraft control unit selects and actuates operating devices to adjust propulsive force.

A vehicle control system distributes drive torque to axles using a comparison unit that evaluates driving-dynamic parameters against potential limits.

A phase compensation unit calculates a lead amount based on motor rotational velocity to stabilize inverter control systems.

A planning system sets asynchronous brake settings for individual locomotive segments to manage power outputs and reduce forces on couplers.