Electric Devices TRIZ Cases

A smart meter uses a PID loop to adjust local system time based on network clock differences, ensuring accurate power usage timestamps after power restoration.

Directional couplers sample forward and reflected signals to calculate true voltage limits, preventing module damage from wiring errors in MRI systems.

A control system manages electrical energy transactions between small producers and end users through a blockchain network.

Server system estimates battery state of charge depletion before applying vehicle software updates to prevent power failures.

An integrated grounding mechanism couples with the transformer cover latch to discharge residual voltages before personnel access high-power components.

Switching vehicle ground to a resistor during operation distinguishes short-circuits from valid instructions.

Voltage phase angle measurement systems buffer local data and transmit pre-trigger and post-trigger segments over slower networks.

A battery charger identifies IT power networks by analyzing neutral-earth voltage harmonics using comb and high-pass filtering.

A fuel cell controller adjusts operational parameters to limit power output during peak demand periods.

A dynamic energy coordinator adjusts consumption based on real-time demand to mitigate peak pricing while maintaining operational flexibility.

Remote triggering units initiate fuel cell heating below temperature thresholds to thaw components and reduce perceived startup time.

Control circuit detects unauthenticated external data inflow and blocks vehicle functions to prevent personal information leakage.

A controllable circuit element adjusts electrical resistance based on sensed consumer current amplitude to prevent overload in capacitive loads.

Safety module communicates sensor data to first responders via wireless intermediary, enabling safe stranded energy discharge without physical access.

Central and cell network nodes transmit data through energy supply lines using power line communication to monitor storage battery cells.

Dynamic eddy current generation replaces unstable static repulsion, enabling reliable vehicle hover and directional movement control.

An interruption circuit prevents battery over-discharge by stopping power flow when the charging signal remains stuck on.

A digital phase-locked loop generates orthogonal reference signals to measure active and reactive power components.

Parallel circulation pumps share thermal loads across fuel cell and battery circuits, resolving reliability versus weight trade-offs.

Converter control unit detects abnormal states and issues protection signals to prevent over-discharge of the power storage element during transitions.

Overlapping power line connections with the spring sheet reduces bending fatigue while enabling full cooling fin coverage.

A failure detection device selects adjacent temperature sensors to calculate absolute differences between their values.

A vehicle control device adjusts rotation speed thresholds based on tire diameter to determine drive wheel slippage accurately.

A battery management system provides a parallel current path between cell poles to trigger fuses.

A discharge control circuit merges with a semiconductor control board to manage current flow through a quick discharge resistor.

Segmented battery packs switch dynamically based on state of charge, eliminating compensating currents and extending electric range without stops.

A travel control apparatus varies electric supply to a motor through repeated acceleration and deceleration cycles.

A vehicle control system matches LIDAR-measured overhead wire shapes against stored data to determine precise position.

Intelligent electronic devices calculate angular differences between zero-sequence and negative-sequence currents to classify electrical faults.

Leakage flux linkage analysis identifies faulted converter phases without shutting down other drives, reducing system downtime.

A battery pack uses weakened housing portions and a spray pipeline to discharge heat flow and form openings for coolant delivery.

A capacitor in thermal contact with an electrical load provides cooling through entropic effects during controlled discharge.

Segmented elastic hooks on molded plastic insulators maintain tube-to-battery contact while reducing weight and preventing metal corrosion.

Control unit sums inverter interference currents to selectively deactivate faulty units, preventing unnecessary shutdowns from single converter errors.

A load scaling method determines feeder power factor angles to calculate real-time electrical distribution network power flow.

Remote activation of constant pressure, time-controlled, and distance-controlled coasting modes eliminates manual deadman brake cycling.

Segmenting the disconnection device into independent units resolves long switch-off times in low overcurrent scenarios while maintaining reliable protection.

Dynamically adjustable thresholds adapt to changing power flow conditions, avoiding false tripping and ensuring timely response without relying on fixed limits.

A recessed back beam accommodates an external airbag module inflator and cushion within a narrow bumper gap, preventing collision interference.

A receding horizon approach minimizes noise sensitivity in battery parameter estimation to improve predictive accuracy.

Electronic controller electrically decouples battery modules to mitigate thermal runaway propagation and discharge adjacent cells through a load.

A vehicle management unit refines an available energy coefficient using real-time operational data to calculate residual range.

A vehicle battery controller applies a reduced order model to update solid concentration and electrolyte transport models for real-time voltage and heat generation rate determination.

A conduction-breaking device uses a deforming mechanism to bend separated conductive pieces.

A junction box positioned on the battery pack wall opposite the collision direction.

Nested cycloid decelerator minimizes unsprung mass while protecting the motor from external impacts within the wheel assembly.

Segmented layout places driving unit outward to absorb collision forces, protecting inner high-voltage parts while maintaining autonomous driving reliability.

Calibrating a drivetrain torque sensor using the vehicle's own engine and transmission to apply known load values.

Horizontal orientation reduces height from 550mm to improve aerodynamics while modular design enables cost-effective functionality additions.

Segmenting the reference voltage into independent nodes eliminates phantom readings and prevents unsafe service disconnection.