Resistance/Reactance/Impedence TRIZ Cases

Lossy Distflow equations and an inverse PINN estimate line resistance, reactance, voltages, and flows with lower computation.

Capacitance sensing near the RF connector detects abnormal cable coupling without disassembly, cutting defect analysis time and cost.

Impedance-based load detection temporarily inhibits short-circuit protection during startup surges, preventing false trips and reducing component cost.

A temperature-sensitive separator dielectric enables direct internal battery temperature monitoring, improving thermal runaway detection speed.

A resistor-bridge directional coupler separates incident and reflected waves across a wide band while shrinking chip area for lower-cost vector network analyzers.

Ports and resistors built into the connector simplify wideband coupler integration while preserving transmit and receive signal separation.

Simulated insulative particles and a test coating isolate substrate and particle-gap effects, improving conductive material evaluation in rechargeable batteries.

Core battery temperature is inferred from EIS voltage and current measurements, avoiding thermistors, extra wiring, and casing thermal lag.

A smaller reference TSV is etched and tested first to verify SiC via formation, reducing over-etch and under-etch risk in ICs.

A multi-step staircase input captures more low-frequency impedance points in one measurement, improving battery condition diagnosis accuracy.

Multi-frequency S-parameter fitting and local outlier factor analysis distinguish true probe contact from connector failure in complex structures.

Alternating adjacent coil directions cancel external electromagnetic fields while preserving inductive sensor sensitivity and power efficiency.

An opening-based electrode layout enables upper-surface measurement of cathode-to-auxiliary electrode contact resistance in encapsulated displays.

Combining cell voltage and current sensing reveals low-resistance or brief connection faults early, helping prevent battery damage and sudden output loss.

Combining cell voltage and current monitoring with abnormal-event counting helps detect brief or low-resistance battery contact failures early.

Multi-parameter current, voltage, and resistance checks help a short-circuit isolator avoid false trips from inrush currents and cable degradation.

A high-permittivity resonator cancels magnetic field in the sample cavity, enabling accurate mineral moisture measurement despite permeability and density variation.

Secondary-side current and voltage disturbance enables fast converter impedance calculation across multiple operating points with less cost and complexity.

A dual-plate, screw-guided alignment setup improves millimeter-wave and terahertz test accuracy while reducing setup time.

Periodic switch control and Fourier-based AC impedance reveal abnormal or heat-generating cells without thermistors or charging-only checks.

A dual-intercept transmission line extracts liquid permittivity in real time while removing parasitic errors without reference materials.

Estimates parallel-line zero-sequence current from local measurements to improve apparent impedance accuracy in double-circuit distance protection.

A segmented negative electrode uses SOC-driven expansion to close the electrolyte passage, limiting leakage while preserving recovery infiltration.

Internal resistance grouping and criterion thresholds help detect abnormal battery modules faster despite connection faults and uneven degradation.

A constant-current detection circuit tracks cable connection resistance in real time to catch oxidation, vibration, and aging before display instability.

Adaptive mode switching uses a correlating parameter to balance battery impedance accuracy, measurement time, and current consumption.

Switching multiple two-terminal circuits lets the detector solve unknown wire resistances and pinpoint a heat-triggered short more accurately.

Impedance sensing and low-pass filters detect cable contact faults early, then cut DC pulse power to keep PoE and PFC links touch-safe.

A recessed waveguide interface with peripheral protrusions enables non-contact coupling for faster, more consistent high-frequency measurements.

Multiple test pads and dummy electrodes isolate panel resistance, enabling accurate contact resistance measurement and fewer pixel defects.

Uses DC-DC converter ripple and conduction-mode switching to measure battery impedance online without current reversal or extra lab hardware.

Galvanically isolated resonators use inductive coupling to simplify metamaterial fabrication while enabling impedance matching and field shaping.

A U-shaped wire loop in a slotted transmission line boosts capacitive coupling and directivity for accurate wideband load-pull measurements.

Effective impedance mapping improves voltage drop prediction and keeps grid control working when sensor data is delayed or unavailable.

A shared wiring and pad layout combines crack detection and bonding resistance measurement, simplifying display circuits and reducing bezel area.

A DC bias plus small AC test signal lets engineers measure HIRF and EMI filter impedance through a lightning switch without opening the LRU.

A time-varying electric field heats selected semiconductor regions through displacement current, enabling precise temperature gradients without wired heaters.

Impedance-coded identifiers on a track let a movable component detect its position and orientation for safer vehicle electrical assembly control.

Historical impedance classification helps mobile antennas avoid ping-pong retuning, cutting power use and improving link reliability.

Detection circuitry checks SMPS topology against input voltage to prevent mismatch damage and inefficient operation in power electronics.

An AC-driven shield electrode and charge amplifier distinguish short and open states while reducing parasitic capacitance error and noise.

Calculating internal resistance from charge protocol and OCV data helps screen fast-charging conditions that limit heat and battery life loss.

Switchable isolator, matching, and radiator ports let RF components be measured without disassembling the waveguide or disturbing alignment.

Shared coupled delay lines make the balun more compact while reducing high-frequency loss and improving phase response for broadband measurement use.

A horizontal tuning probe and inline attenuator simplify waveguide load pull tuning, cut sparking risk, and speed wideband calibration.

By deriving resistor values through controlled switch states, this case removes low-pass filter voltage drop errors from cell voltage readings.

Balanced signal lines with matched impedances let differential probes be characterized accurately while compensating parasitic effects.

Dual-side antenna testing maps radome attenuation, homogeneity, and angle-dependent reflection to detect non-transparent areas early.

Embedded conductive layers measure capacitance changes to detect damage in inaccessible aircraft structures, reducing manual inspection costs.

A hands-free system calibrates audio parameters by comparing transmitted test signals with reference data over a mobile telephony network.

P-well and P-plus layers redirect parasitic capacitance from water condensation to prevent erroneous humidity readings.

A time domain measuring method decouples HF signals via a directional coupler and converts them to frequency domain parameters.

Differential resistance measurement detects chamfering depth, replacing destructive cross-sections with non-destructive in-line monitoring.

A low-voltage testing device simulates high-voltage frequency converter operations using a tap transformer and optical fiber communication.

A calibration arrangement uses periodic structures on connector elements to establish contactless waveguide interfaces.

A driving circuit mediates between a microprocessor and a Test Access Port to enable internal test signal generation.

A glow plug control method calculates target resistance values from measured changes during heating to manage operating temperature.

An embedded resistive heater tunes MEMS resonator frequency via thermal expansion, avoiding high-voltage requirements while maintaining compact size.

An elongated measuring pattern reduces sheet resistance measurement errors caused by over-etching during pixel electrode fabrication.

A laminated semiconductor device uses a selection circuit to adjust voltage division ratios for precise current measurement.

Stop and test circuitry preserves processor state during interrupts, resolving the contradiction between high test coverage and system performance efficiency.

A dielectric waveguide uses a polytetrafluoroethylene molded article with permittivity 2.05 or higher to confine electromagnetic waves.

A sensing circuit determines data pin impedance by comparing voltages with and without injected test current.

Pre-stored wire impedance data enables precise voltage correction, eliminating measurement errors caused by conductive wire resistance.

A calibration method determines 15 linear-in-T parameters to characterize measurement holders without requiring identical reflection coefficients.

A test control section issues a group read instruction to multiple test modules for simultaneous data collection.

Segmented RC circuits compare voltage amplitudes to locate stud centers, resolving wall thickness variations that reduce single-sensor accuracy.

A resonant oscillation device uses copper bars to generate electromagnetic induction for precise resistance detection.

A plunger coil device measures flat object thickness via guide element deflection.

Separates monitoring, package, and common pads into distinct columns on the memory chip to reduce pad area overhead in low-integration devices.

Phase shifting the local oscillator signal allows discrete Fourier transform processing to resolve narrow pulses while maintaining phase coherence.

Nested security logic uses programmable registers to trigger events, resolving the complexity trade-off in intrusion detection systems.

Adjusting detecting electrode areas reduces sensitivity differences between edge and center regions, enabling accurate multi-point detection.

A dielectric spacer and ground element isolate the sensing material, resolving the contradiction between detection accuracy and environmental noise.

Adjusting inductance and output frequency achieves series resonance with varying cable capacitances, reducing equipment weight and transportation costs.

A partial discharge coupling device integrates a current transformer and reference signal generator to produce phase-aligned signals.

A low-loss loop coupling structure connects to RF receiver inputs for precise voltage and current waveform sensing.

A control unit measures power supply voltage by calculating the time interval of capacitor discharge through a resistor.

Step drill test structure with sensing pads detects layer depth via conductive drill bit connection.

A handheld meter uses electromagnetic signals to measure material reflectivity.

Vertical fields in image files store multi-bit integer values to resolve the trade-off between complete data capture and excessive file generation time.