Sampled-Variable Control Systems TRIZ Cases

See how a thermostat adapter with integrated safety interlock and auto-diagnostics simplifies i

See how membrane-based concentration control adjusts cloud point temperatures in UCST and LCST

See how networked CO sensors associate with specific appliances to deactivate only the problema

See how a multi-functional energy optimizer uses feedback loops and intermediary processing to

See how a network-connected thermostat migrates HVAC setpoint schedules incrementally to reduce

See how a web-based verification tool automates testing of temperature, airflow, and pressure i

See how current monitoring at the power supply detects filter clogging in refrigerating units w

See how a web-based controller automates laboratory space verification through modular test seq

See how incremental setpoint adjustments and real-time occupancy data enable a network thermost

See how an HVAC controller reduces false alarms by logging faults and triggering alerts only af

See how Bayesian models and real-time sensor data replace static sequencing, adapting to equipm

See how extracting seat control processing to a mobile terminal enables ergonomic adjustment an

See how a wall-mounted wireless control unit enables seamless HVAC mode switching between occup

See how pressure feedback from filters and enthalpy wheels enables intelligent blower adjustmen

See how a pulse signal sensing circuit isolates high-voltage circuits, measures drying rate acr

See how a network-connected HVAC controller receives and executes schedules from a remote serve

See how a bridge layer transmits environmental data to a neural network inference engine, repla

See how a modular energy optimizer uses machine learning and dynamic transaction nexus to impro

See how dither-based extremum-seeking control optimizes HVAC damper positions without complex g

See how real-time feedback and preliminary analysis prompt users to adopt energy-saving setpoin

See how dynamic temperature setpoint reset decouples HVAC unit outputs to prevent cross-couplin

See how programmable time-period scheduling in an HVAC controller reduces energy use by selecti

See how a thermostat coordinates competing ventilation requests from distributed wireless boost

See how thermodynamic block models with embedded connections and stats reduce BMS commissioning

Outdoor-temperature-based demand recalculation lets a heat pump exceed its initial heating limit while avoiding sudden compressor-pressure trips.

See how indoor and outdoor units perform coordinated channel scans and switch to optimal freque

See how centralized HVAC coordination uses overlapping sensors and transfer-matrix weighting to

See how a two-dimensional setpoint plot with animated feedback resolves the contradiction betwe

See how comparing sensor-measured and map-derived condenser temperatures enables real-time cali

RFID badge counts by ventilation zone replace unreliable CO2 estimates, enabling ASHRAE-based airflow control with lower HVAC energy use.

Coordinated HVAC control uses return and supply air sensors to prioritize cooling valves over fans, reducing load hopping and power use.

Calculating setback temperature from thermal load and time cuts HVAC energy use while ensuring the zone reaches comfort temperature on schedule.

Throttling the suction modulation valve at start-up raises superheat, boils off liquid refrigerant, and protects the compressor from flooding.

A single wireless interface links nearby HVAC controllers so users can monitor and control up to eight systems without moving between panels.

Minimum on-off timing and temperature thresholds cut HVAC stage runtime while maintaining stable heating and cooling control.

Foreground home selection, weather visuals, and auto-pairing simplify remote thermostat setup and multi-enclosure control.

Detects wasteful air conditioner operation from open doors or windows and alerts the linked remote control for faster energy-saving action.

A cloud-linked thermostat simplifies scheduling and remote control by offloading complex settings and data handling to servers and mobile apps.

Infrared load temperature readings let the dryer detect moisture and drum rotation issues for more even drying and safer cycle control.

Uniform space blocks let sensors and apparatuses be remapped quickly after layout changes while preserving abnormal area detection.

Pressure-difference diagnostics detect economizer, sensor, filter, and actuator faults to maintain HVAC ventilation airflow and cut energy waste.

Programmable HVAC off periods keep the unit fully shut down during unoccupied times, preventing unnecessary cycling and cutting energy use.

Automated damper positioning and airflow feedback cut manual VAV box setup time while supporting test and balance through one controller.

Historical and predicted HVAC data drive Bayesian efficiency models that adapt equipment sequencing as load and performance change.

Variable fan speeds and staged burner control improve discharge air temperature, reduce stratification, and save heating energy.

A protective relay path and room-temperature feedback stop central heating before relay sticking causes continuous operation and overheating.

Image sensing and automatic carriage control adjust desk and chair positions with posture changes to reduce discomfort and workflow interruption.

Differential pressure sensing tracks HVAC filter blockage, enabling timely replacement that preserves efficiency and protects component life.

Remote bus programming lets HVAC actuators adjust running time and switch setpoints without physical access, improving setup and maintenance.

Outdoor humidity sensing adjusts evaporation temperature and compressor frequency to balance cooling capacity, comfort, and efficiency.

Weather data automatically switches outdoor unit freeze prevention on or off, improving HVAC stability while cutting unnecessary power use.

A bidirectional remote displays operating status or communication errors, helping users confirm air conditioner changes and avoid unintended operation.

Text ID-based device abstraction lets distributed HVAC nodes exchange identity and status data for easier installation and more precise control.

Single-level configuration and checkout menus simplify multi-zone HVAC setup, thermostat selection, and parameter changes.

User activity from computers and TVs is used to infer occupancy and adjust HVAC setpoints, cutting unneeded conditioning without extra sensors.

Zone setpoint changes force HVAC units into heating or cooling modes, cutting manual test time and logging faults across sites.

Wireless feedback confirms memory position recall on an adjustable bed remote, improving reliable bed control and user independence.

Location-based control sequencing balances AC unit shutdown cycles to cut power use while limiting room temperature fluctuation.

Wake-up alarm times from a smartphone automatically set sleep and wake HVAC temperature changes, avoiding manual reprogramming for variable schedules.

User-configured utility saver switch and defrost awareness helps HVAC controllers separate false alarms from real faults and improve service logs.

Uses floorplan data to auto-detect air conditioner locations and zone counts, reducing setup effort while supporting comfort and energy savings.

Predicted outdoor temperatures and cost models guide HVAC operating states to maintain indoor temperature with lower energy use and clearer cost estimates.

Linked HVAC controllers share load metrics to balance runtimes across zones, improving temperature and humidity uniformity while cutting energy waste.

Relocating the machine room above the cabinet frees rear storage space and improves cold air distribution for more uniform, efficient cooling.

Upstream airflow temperature shifts compressor start-stop thresholds to match thermal load, cutting vehicle A/C power use and improving comfort.

Quantified rule violations help balance energy-saving targets with environmental comfort by detecting and measuring noncompliant device actions.

Distributed tile and rack controllers link sensor data on temperature, humidity, weight, and power for proactive cooling and safety control.

Light sensing distinguishes door openings from refrigeration faults, improving temperature history tracking and wireless shipment verification.

A four-wire serial bus lets thermostats, indoor units, and outdoor units share control and feedback signals while simplifying HVAC upgrades.

Holding drum rpm before critical spin speeds lets a single-race ball balancer cut tub oscillation and lower washer manufacturing cost.

Infrared sensing and feedback control adjust ice transfer speed to match user-set quantity and dispensing velocity.

Configure HVAC parameters per item with autodiscovery or manual input, preserving overrides while supporting mixed communicating equipment.

Protocol conversion links open building networks with manufacturer-specific AC controls, preserving precise monitoring while simplifying integration.

Dynamic airflow and liquid-coolant control at the rack level cuts hot air recirculation, energy use, and pressure drop in data center cooling.

Computer-based simulation replaces fixed manufacturer ratings to select condensers, evaporators, compressors, and flow control devices more accurately.

Dual-loop control uses surrogate measurements to manage evaporator oil and refrigerant levels, improving refrigeration efficiency and maintenance.

Forced circulation saturates hydrocarbon samples with air at 32-40°F, improving Reid vapor pressure measurement accuracy for fuel testing.

A single-level menu and mode selector simplify HVAC zone panel setup, checkout, and thermostat-specific control.

Detecting an attached thermal barrier lets a portable computer run hotter internally, cut fan speed, and reduce noise, dust, and power use.

Temperature and pressure diagnostics predict exact refrigerant and airflow adjustments, avoiding iterative charging and compressor damage.

Thermal sensing on the heater body detects insufficient water flow in bathing units, preventing overheating without pressure switches.

Adaptive span and duty-cycle control reduce room temperature swings and improve HVAC energy efficiency despite thermal delays.

Transformed top-section temperatures and feedforward modeling make distillation MPC more aggressive and easier to tune for product purity.

By raising evaporator outlet temperature above fixed minimums, this HVAC control cuts compressor load and reheating while maintaining comfort.

A powered receiver lets a portable HVAC interface send temperature and control signals wirelessly without frequent battery replacement.

Dynamic high-pressure target control adjusts compressor, valve, and fan settings to maintain high COP under changing thermal loads.

By correlating ambient conditions with comfort-mode HVAC use, the thermostat displays actual energy and cost savings from setback settings.

A shared evaporator and movable damper concentrate cold air in the quick freezer, avoiding an auxiliary evaporator and lowering cooling cost.

User-adjustable fan power balances processor speed, reliability, noise, and cooling energy based on thermal conditions.

Dynamic return plenum pressure reset and exhaust damper coordination stabilize building pressure and prevent disruptive return pressure.

Passive wireless tags and temperature sensors keep building models current, reducing manual updates and improving control accuracy.

Wireless pressure, temperature, and humidity sensing stabilizes refrigerant charge diagnosis and reduces mischarging from manual readings.

A control system compares compressor, condenser, evaporator, motor, and cycling efficiency to switch refrigerant modes and cut energy use.

Statistical scenario modeling identifies when refrigeration compressors can be shut down in parallel NGL trains without missing product specs.

Users define time-based sleep temperature curves on a remote controller, letting the MCU adjust cooling automatically for personalized comfort.

Relative comfort settings guide compressor speed and blend door control to maintain cabin comfort while reducing fuel and energy penalties.

A supervisory controller coordinates multiple HVAC units with shared sensor feedback to prevent oscillation, reduce energy waste, and tolerate unit failure.

A portable wireless remote lets users sense conditions near occupants and adjust multiple HVAC zones without walking to each wall controller.

Dual supply and return air sensing lets HVAC units favor cooling valves over fans, reducing load hopping and power use while holding room temperature.

A change detector resets extremum seeking control after abrupt HVAC shifts, cutting adaptation delay and power use.

Orientation switches and direction control keep a refrigerator dispenser aligned between stored and dispensing positions to prevent misalignment.

Actuator saturation compensation keeps HVAC extremum control from winding up the integrator, cutting power use while preserving damper adaptability.

A portable wireless HVAC remote senses room temperature away from walls and simplifies multi-zone setting changes without visiting each controller.

PC and TV activity data indicate home occupancy, letting a networked thermostat shift HVAC setpoints and avoid conditioning empty spaces.

Shared sensors and signal blending turn multi-zone air samples into accurate HVAC ventilation commands while lowering monitoring cost and energy use.

By predicting low refrigerant flow from vehicle speed and acceleration, ECV duty is raised to prevent compressor noise and unstable RPM.

Indoor and outdoor sensors automate intake and exhaust airflow while a damper and rain sensing help prevent water entry and cut cooling energy use.

A controller heats the compressor sump only after off-time and at low ambient temperature, avoiding overlap with compressor operation to cut energy use.

A wait-mode filter ignores moisture-induced capacitance signals in refrigerator static switches, preventing unintended control operations.

A rotating ice tray cover contains water and thin ice during filling and shaking, reducing overflow, ice sticking, and separation failures.

A backup microprocessor monitors the lid switch and motor RPM to stop washer operation if the primary controller fails.

A rotatable front control board lets technicians inspect deeper boards without removal, improving outdoor unit service and assembly.

One designated variable-capacity compressor handles modulation while others stay fixed, reducing suction oscillation and unnecessary switching.

Geographic location is used to auto-set economizer shut-off thresholds, cutting outdoor air energy waste and avoiding unhealthy indoor humidity.

Real-time pricing feedback lets the thermostat auto-adjust temperature setpoints and show demand cues to cut energy use without manual reprogramming.

Pulse torque added during uniform drum rotation improves laundry weight calculation accuracy while shortening measurement time and avoiding resonance.

Real-time weather, water, and air temperature data are used to coordinate HVAC loops and cut energy waste from conflicting setpoints.