Rotational Speed Control TRIZ Cases

Load feedback and motor braking balance backlash-driven stress across wind turbine drive units, extending service life and reducing breakdown risk.

Load feedback and motor braking balance ring gear meshing loads across wind turbine drives, reducing overload, wear, and breakage.

Historical yaw-sector wind data sets curtailed turbine setpoints when variance spikes, helping prevent overspeed and runaway conditions.

Historical yaw-sector wind variance triggers curtailed speed and torque setpoints to prevent wind turbine overspeed and runaway.

Predictive gain and blade-angle adjustment helps wind turbines avoid overspeed shutdowns during gusts without excessive load or pitch oscillation.

Automatic sail pitching uses pneumatic control and a spiral shaft mechanism to adapt to wind and close safely during air pressure loss.

A change element uses blade bending-moment signals to adjust rotor speed and power output faster, reducing blade and tower loads.

A suspended power train rotates as an inertial pendulum to balance rotor torque, reducing structural stress on the nacelle and tower.

A control system adjusts rotor speed set points to maintain operation below over-speed limits during high wind conditions.

Resonant control modifies power references to dampen drive train oscillations, avoiding continuous Fourier transformation computational load.

Electromagnetic synchronous machine adjusts turbine blade angular speed to maintain mechanical efficiency across varying fluid velocities.

Control system limits power transfer during high winds by adjusting generator resistant torque, avoiding variable pitch blade complexity.

Redundant sensor units determine rotor speed and position independently, eliminating manual calibration and dedicated components to prevent overspeed damage.

A protection system limits processor power when fan rotation speed drops below safe thresholds.

An interlock system overrides high speed shaft brake activation when low speed shaft rotational speed exceeds a threshold, preventing drive train damage.

Longitudinal slots in a wind turbine blade emit pressurized air to reduce lift and bending moments, preventing overload during high wind speeds.

A natural energy extraction apparatus uses a swingable vertical rotating shaft supported by buoyancy to convert kinetic energy into driving torque.

Power-based rotor blade pitch control limits speed increases during grid faults by correcting pitch angles when power deviations exceed thresholds.

Pivotal wind-collecting plates dynamically adjust position to stabilize energy generation and protect the system from severe weather damage.

A control system dynamically adjusts wind turbine overspeed thresholds based on pitch angle and wind speed to prevent blade fluttering.

Elastic deformation members adjust turbine blade trailing edge angles to control rotational speed and prevent damage from excessive flow rates.

Hummingbird control system converts variable rotational speed into constant electrical frequency and voltage.

Jib blade modules on a tower crane generate electricity by rotating in wind, eliminating the need for large dedicated wind farms.

A wind turbine control system calculates pitch angle increments using generator acceleration and speed signals to adjust blade angles.

A dump load resistor absorbs excess generator energy during grid loss, slowing rotor speed and reducing structural stress from severe mechanical braking.

A steam turbine overspeed protection system uses a lead screw gear mechanism to drive an operating rod at critical speed.

A wind turbine control arrangement increments rotor speed when loading stays below a threshold to maximize energy extraction.

A wind turbine generator controller adjusts electrical output power limits based on real-time operating conditions to maximize energy production.

Pivotable lamellae blades adjust orientation to manage flow resistance in a submersible watermill device.

Asymmetric foils resolve efficiency trade-offs by generating superior lift forces through pressure differentials on upper and lower camber surfaces.

Thrust sensors measure axial loads ahead of rotor inertia delays, enabling immediate braking torque modulation to prevent mechanical damage from wind gusts.

A self-floating paddlewheel device captures river kinetic energy to drive an electric generator set.

A conduit turbine uses a flexible element to limit rotor speed by adjusting position within the flow path.

A wind turbine controller estimates extreme gust risk using Mahalanobis distance calculations on live sensor data.

A turbine overspeed device projects a free projectile into the rotor blade path to destroy rotating stages.

A wind turbine control system predicts rotor acceleration to generate blade pitch commands before over-speeding occurs.

Rotating the nacelle into a rest position minimizes effective rotor area exposed to wind, preventing rotor overspeed when blade pitch adjustment fails.

LIDAR-based feedforward control anticipates extreme wind events to prevent over-speeding and tower deflections while avoiding aggressive reactive braking loads.

Dynamic control of rotor speed and generator torque reduces operating loads while maintaining power output at high wind speeds.

Dynamic pitch rate adjustment balances aerodynamic loads during emergency shutdowns, preventing excessive rotor stress on tower components.

A wind turbine control system reduces rotational speed and power output when wind velocity exceeds a specified limit to maintain operational stability.

A wind-power generation system adjusts operational turbine output to compensate for disconnected units during grid frequency limiting operations.

A wind turbine controller monitors measured and estimated wind speeds to detect sensor faults.

Dynamic speed limits prevent component overload and unnecessary shutdowns by adapting to operational conditions.

A data analytics platform derives a rotor imbalance detection model from historical multi-dimensional vibration data captured by preinstalled sensors.

Integrated power generator enables pitch assembly rotation during control system failure, preventing rotor overspeed damage.

Applies braking torque to a wind turbine power train during grid loss, reducing torsional oscillations that damage the gearbox.

Trip overshoot model determines non-trip operating space to prevent emergency overspeed and reduce false tripping in rotating machines.

Segmented threshold evaluation reduces mechanical loads by triggering safety braking only when operational management fails to act.

Dynamic rotational speed limit adjusts based on blade pitch movement rate to optimize operational ranges.

A controller processes acceleration signals into power spectral densities to determine blade energies for real-time condition monitoring.