Speed Controller TRIZ Cases

A drive device adjusts motor load limits based on induced voltage to manage inverter thermal conditions.

Replacing manual labor, the motorized utility table employs a drive assembly to traverse concrete debris efficiently.

A control device estimates backlash elimination timing to apply correction torque.

Dynamic current excitation control optimizes energy conversion efficiency by adapting torque transfer rates to real-time clutch slip conditions.

A drive system control device switches to a steeper acceleration mode to increase battery currents and rapidly heat the traction battery.

A braking force control apparatus dynamically adjusts regenerative and friction braking ratios to maintain vehicle motion stability.

Segmented traction units maintain high efficiency in low torque ranges while providing rated power for hill climbing.

A converter controlling apparatus adjusts switching frequency based on load conditions to manage electrical ripple.

An electric motor switches to generator mode to produce deceleration torque for vehicle braking.

A controller adjusts a control signal using fuzzy logic rules to regulate output voltage in variable voltage converters.

A railway energy optimization method adjusts control parameters across trains and substations to minimize total grid power consumption.

Parallel capacitor legs in a three-phase switching circuit permit zero sequence current flow, managing unbalanced loads and reducing harmonic distortion.

Integrating a direction turning portion into the battery casing reverses coolant flow, ensuring uniform temperature distribution across bipolar modules.

A dual motor drive system blends torque contributions from induction and permanent magnet units via electronic control.

A vehicle control apparatus moderates drive torque increase rates using speed and torque detection to manage acceleration dynamics.

An electronic controller manages electric power supply to a human-powered vehicle device through dynamic mode switching.

Circuitry uses inclination and occupancy sensors to control the driving mechanism, reducing user effort when moving cycles up stairs.

Two electric machines per wheel connect via a clutch, enabling independent control that reduces weight while maintaining high propulsion power.

Kick-down shifting compensates for limited regenerative braking force, eliminating the need for costly hydraulic systems and improving fuel efficiency.

Anticipated vehicle speed and route profiles determine a target state of charge setpoint, reducing electrical losses from rapid discharge.

Variable slip ratio thresholds adapt to idler wheel speeds, reducing braking distance and vehicle vibrations during low-speed operation.

Electrical machine applies brake torque to decelerate a vehicle, eliminating clutch friction losses and sudden torque changes during low-speed maneuvers.

A DC-DC converter reverses current flow through a storage inductor to enable softer switching processes.

Controller stops drive motor when manual force drops below a crank angle-dependent threshold, preventing unintended coaster brake actuation.

A power converter controller calculates coil current time rate of change to switch drive modes.

Positioning a rectangular power converter between two motors reduces cable lengths, which minimizes structural complexity while integrating impact protection.

A flywheel electricity generation device uses a first motor to accelerate a transmission assembly and a second motor for continuous low-current operation.

Dividing routes into sections with speed models calculates travel energy accurately, resolving insufficient estimation accuracy from conventional methods.

A control device calculates drive source torques using rotational speed data to manage bearing friction effects between connection members.

A train communication system converts signals to a network format for transmission across multiple vehicle-mounted devices.

Electrical transmission replaces mechanical cables in marine steering, reducing device complexity while maintaining reliable force transmission.

A controller assigns priorities to power-using devices and distributes generated solar energy in descending order of those priorities.

Virtual conductance stabilizes DC bus voltage to suppress oscillations caused by reduced capacitance.