Current/Voltage Measurement TRIZ Cases

Automated ground line detection system uses high-frequency signal transmission and threshold analysis to identify cable wiring configurations.

A semiconductor drive device separates identification and protection signals to enable independent error handling.

A battery cell diagnosis device compares current voltage and state of charge measurements against historical data to identify internal abnormalities.

A multimeter uses a rotary switch to select low-pass filtering for accurate RMS voltage measurement.

A corrected sample entropy method diagnoses battery pack faults by adjusting voltage fluctuation data.

A diagnostic apparatus compares scaled electrical values from sensor and power-generation current transformers to detect component faults.

Estimates grid impedance using voltage amplitude, current amplitude, and relative phase angle to eliminate absolute phase measurement errors.

Synchronizing inverter output and filter current zero-cross points maximizes harmonic attenuation without direct coil measurement.

Calibration circuit generates compensated voltage references using pnp and npn transistor base-emitter voltages.

Two adjustable magnetic field generators create a composite field to enable continuous direction changes for linearity and hysteresis inspection.

A substrate integrated sensing trace detects electromagnetic force from magnetic flux inductively coupled to a current carrying trace.

A control circuit determines an estimated open-circuit voltage and calculates a reflection coefficient to adjust the state of charge.

A voltage detection circuit uses a bandgap reference to stabilize measurement signals.

Transient detection unit generates digital codes from adjusted signals to manage ESD vulnerability in scaled semiconductor devices.

Parallel processing of gradient and secondary signals eliminates time drift errors for accurate depth measurement.

Segmented shields suppress eddy currents and phase delay while maintaining linear magnetic flux density for accurate three-phase AC measurement.

A simulation apparatus compares surveyed line data with static parameters to detect errors before analysis.

Current sensors at power supply connections detect ESD pulses, avoiding false alarms from non-unique light or sound phenomena.

A downed conductor detection system compares filtered and unfiltered neutral current signals to generate an error signal for identifying faults.

Circuitry monitors transducer current to separate excitation signals from echo reflections for faster object detection.

A battery capacity estimation method measures open circuit voltage changes to calculate available energy.

A controller issues direct commands to raise output current in a disconnected power unit for precise measurement.

A multi-purpose node receives and stores a threshold voltage during an initialization phase before outputting a fault signal.

Segmenting powered device loads allows the controller to measure standard impedance during detection, resolving interference from variable resistance values.

A detector circuit uses a comparator and timer to identify AC signal presence in power supplies.

A monitor system determines actual fault levels by measuring I-V characteristics at network nodes to enable safe generator connections.

Alternating thyristor conduction balances current sharing, eliminating heat buildup from unequal electrical characteristics without adding bulky reactors.

A switching driving circuit regulates reference voltage via a compensation circuit to maintain constant current.

A detection loop monitors induced current through electromagnetic induction to generate control signals.

Frequency band filtering isolates relevant signal components to improve inertia measurement precision while retaining critical power balance information.

A switch mode power converter determines inductor current by sensing the voltage across a power switch in its on-state.

A beam position monitor collects halo current while a gas puff system measures fluorescence to track particle trajectories.

An inverter detects neutral conductor presence by measuring zero-sequence output currents generated during a bridge circuit test.

Pack voltage divider scales high output voltage to measurable levels using series-connected resistances.

A current sensing device uses a comparator and MOS transistors to detect pixel currents in organic light emitting displays.

Operational force support device adjusts actuator torque based on lid angle and speed to maintain consistent manual effort.

A single transformer isolates sensor signals from processing components using switching modulation to enable bidirectional data exchange.

A merging unit processes voltage and current data using IEC 61850 standards.

An energy accumulator emulator uses a real reference cell to measure voltage and adjust model parameters for accurate simulation.

A current sensor uses a resistance value correction circuit with multiple correction resistors to detect terminal voltages and calculate shunt resistance.

Periodic voltage comparison reduces monitoring current consumption while maintaining processing unit reliability against power supply failures.

Eliminate shunt resistors and reduce system losses by detecting zero crossings via freewheeling diode voltage signals during PWM off-periods.

A battery management system uses an electric load to compare voltage against reference values and triggers a wakeup signal for the controller.

A metering system constructs voltage fingerprints from RMS and model difference metrics to identify unique grid locations.

A power tool control unit adjusts motor output by reducing the PWM duty ratio when battery voltage drops below a set threshold.

An auxiliary cell powers a state of charge indicator only when voltage differences exceed a threshold.

A single bandgap reference circuit detects overvoltage and undervoltage conditions using a coarse comparator and pull-up outputs.

A current sensor detects zero crossing events to calculate the DC component value accurately.

A modular lighting control system uses a nested switch controller to simplify installation and enable remote operation.

A voltage-current converter uses a second current generating circuit to produce a superimposed current for accurate output generation.