Pump Control TRIZ Cases

See how machine learning prediction models optimize electrical apparatus parameters to reduce p

See how periodic speed modulation between two operating points prevents compressor surge at low

See how real-time detection of positive-negative voltage imbalance triggers automatic power adj

See how adaptive fan speed control detects fan errors, adjusts floating maximum speed, and redi

See how a sliding member dynamically opens and closes an intermediate passage to enable quick s

See how a fan controller switches between wide-range and narrow-range speed modes to balance us

See how a sliding member dynamically opens and closes an intermediate passage to improve startu

See how expansion valve superheat control reduces compressor discharge temperature in transport

See how wireless communication replaces physical motor connections, eliminating manual reconnec

Coordinated start-stop signaling keeps multiple compressors pressure-balanced, preventing hard restarts and overload in refrigeration systems.

Built-in wireless links replace motor control cables, cutting setup and maintenance effort while enabling remote configuration and data collection.

A surge map built from detected chiller surge events guides setpoint changes to cut power use while protecting compressor components.

By weighing the storage tank before and after recovery, residual refrigerant in the device is accounted for to prevent billing and recharge errors.

A shared intermediate-pressure manifold lets tandem compressors cool components, lower discharge temperature, and supply gas at lower pressure.

An AC chopper wall controller with rectified filtering helps fan light controls resist interference, signal distortion, and short power outages.

When rotor position detection fails under overcurrent, expected speed from airflow and pressure keeps the fuel cell air compressor running.

Real-time vehicle-state data sets pump motor torque to control damper force without pressure sensors, reducing noise sensitivity and improving ride comfort.

A PLA-composite current transformer captures high-frequency ESP transients and converts them to a 4-20 mA signal for continuous failure prediction.

Temperature and barometric inputs let the compressor predict operating points, cutting wear-causing load cycles and wasted energy.

An integrated safety valve smooths unloader valve switching to prevent pressure spikes and keep compressed air discharge uniform.

An LR clamp filter uses motor input capacitance and surge protection to suppress cable-induced ring-up, reflections, and motor stress.

Dynamic master-slave compressor control balances runtime and maintenance intervals in rail vehicle compressed air supply.

Continuously varying valve cross-section limits charging airflow by inlet pressure or flow, preventing vehicle compressor overload.

A diversion valve bypasses the second compression stage in closed mode, cutting friction losses and energy use while preserving pressure control.

Pressure-controlled fluid flow in a porous emitter changes surface area and thermal radiation, enabling low-power infrared signaling with simpler hardware.

CMA-ES tunes server fan weights to match hotspot cooling demand, cutting energy use and avoiding complex manual weight matrix setup.

Relay, integration, and step tests identify fluid-system critical points for stable PID autotuning without prior process knowledge.

Relay, relay-with-integration, and step tests identify delayed fluid process dynamics for stable PID tuning under noise and load disturbance.

A high-pressure vacuum cylinder and control pump speed air extraction, enabling immediate suction and stable camera mounting on walls or vehicles.

Instantaneous flow analysis lets an air compression station switch compressor combinations during stable demand periods to cut pressure fluctuation and energy waste.

Dynamic pump staging uses flow, pressure, and speed thresholds to add or deactivate pumps while keeping centrifugal systems stable and efficient.

A spiral-rail brake mechanism stops or releases the fan impeller quickly without extra brake circuitry, cutting power use and cost.

Pressure sensing and trapped hose air let an HVLP sprayer stop the blower when idle, cutting wear, noise, and energy without spray delay.

By decoupling pump output from throttle-based channel regulation, this case finds an energy-saving delivery rate while keeping mold flow stable.

Spread-spectrum PWM control varies fan RPM around a target speed to cut resonance noise while keeping heat dissipation stable.

A modified PID fan control approach helps servers respond quickly to temperature spikes without unstable speed changes, excess noise, or wasted power.

A motor-assisted steam turbine and vacuum pump keep compressor speed and process gas pressure stable when steam generation drops.

Temperature feedback raises secondary fan speed only when backflow appears in a server power supply, improving cooling and limiting extra power use.

A combined electrical contact lets a vehicle pump be identified by resistor value, cutting wiring cost and preserving control during failures.

Individual pump-drive control stabilizes the changeover flap in twin circulation pumps, avoiding hydraulic blocking, noise, and pressure surges.

Multiple pump pistons and an electric release valve adapt hydraulic flow to load, speeding jack lifting and easing operation.

Neural-network fan control predicts temperatures and adjusts fan weights to improve cooling while cutting data center energy use.

A variable amplitude cam adjusts e-vapor cartridge fill volume without changing pump timing, improving consistency and manufacturing throughput.

A spring-loaded plunger and reed switch stop the syrup pump at a set pressure, cutting sensor complexity and overpressure risk.

A staged pump-speed ramp brings a redundant coolant pump back online without pressure spikes, helping prevent leaks and component damage.

Gradual pump speed ramping in a coolant distribution unit restores redundant pump capacity without pressure spikes, leaks, or component damage.

Pressure sensing and rotor-position valve control let a plunger hydraulic pump deliver programmable flow and pressure with lower weight and noise.

Valve timing and motor speed are coordinated with pressure feedback to deliver programmable hydraulic pressure and flow with less noise and weight.

Valve timing tied to cam position and pressure feedback lets a plunger pump deliver programmable hydraulic pressure and flow with less bulk and noise.

A hopper-side short-stroke cleaning mode cuts slurry pump cleanup time while clearing cylinder openings and the pipe diverter.

A single multi-port valve and auxiliary flow galleries enable compact variable-displacement pumping with lower complexity and pressure loss.

A dual-connector fan chassis lets servers switch airflow direction by fan orientation, avoiding separate fan inventories and cooling loss.

Signal pressure in an auxiliary spring chamber lets a swash plate pump regulator vary spool bias for flexible control without increasing size.

A buoyant pump platform uses flotation tubes, a strainer screen, and flow controls to stabilize water management while protecting aquatic species.

Distributed microcontroller nodes along an SCP capture full-length temperature and vibration profiles while preserving high-frequency data for predictive maintenance.

A movable stator and control valve let one drive signal switch modes while keeping hydraulic flow direction independent and the assembly compact.

A dual-power switching module cuts pump power during leaks or abnormal water levels while keeping other cooling system controls running.

Direct spool-to-feedback lever contact cuts link delay and part count, improving pump displacement control response and lowering cost.

A lockable outer piston and driven inner piston vary hydraulic flow without wobble plates, helping cut vibration, noise, and maintenance.