Electric Devices TRIZ Cases

A railway power bus current measurement device uses clamping junctions to detect potential difference across the conductor.

Floating capacitor stores detection voltage from battery terminals to calculate leakage resistance, preventing unexpected discharge and safety hazards.

Detects primary-side DC currents via passive transformers to suppress 100 Hz harmonics and prevent traction vehicle interference.

Segmented exterior tubes guide flat cables along sliding door brackets, preventing exposure and damage while reducing installation stress.

Inductance imbalance creates asymmetric current flow, lowering melting energy and protecting off-highway vehicle inverters from debris.

A vehicle control method adapts dynamic performance using biometric and psychometric sensor data.

A wireless control system enables movable devices to operate vehicle electrical loads without physical wiring.

A vehicle circuit routing system featuring a backbone trunk line with belt-like configuration and branch lines for flexible electrical connections.

A self-driving vehicle drive unit combines an internal battery with a conductor rail contact element for continuous propulsion.

Brake control circuit prevents unexpected vehicle movement on slopes by monitoring battery residual quantity before releasing the electromagnetic brake.

An acoustically activated switch destroys a resonant container to mechanically open contacts, ensuring safe disconnection when vehicle power fails.

Analyzer identifies appliances by matching monitored electrical quantities against reference patterns, eliminating manual configuration.

A power switching control apparatus uses contact and phase current sensors to detect making operation times for individual phase switches.

Auxiliary heating controls fuse melting current to prevent sputtering damage while maintaining reliable overcurrent protection.

Switching units divert power to a load device, removing residual high voltage from the main bus during dangerous events.

An adaptive lamp driver module adjusts voltage and current parameters to resolve operational instability caused by varying LED specifications.

Redundancy circuit monitors diode cathode voltage to detect open faults in vehicle control units.

Abnormality determination unit monitors battery current to detect generator faults in dual power supply systems.

A diagnosis module compares actual and reference rewards to detect component failures in vehicle electrical systems.

Observer module corrects lithium-ion cell voltage estimation drift by integrating current, temperature, and model errors via Kalman filtering.

A sensor arrangement uses redundant units and a controller to compare readings across battery pack nodes.

A wireless data mesh system uses locally powered sensors to eliminate physical wiring harnesses in vehicles.

A microprocessor calculates power interruption duration using a linear curve model of temperature sensor readings.

Pull-up and pull-down resistors create a voltage divider at resolver receiver coil terminals for differential monitoring.

Extracting cooling channels from the housing into the laminated sheet package eliminates thermal transfer resistance and reduces assembly complexity.

Central subscriber transmits AC signals and DC power over one cable, eliminating complex controller wiring.

Segmented air intake system prevents muddy water ingress into battery case while maintaining low passage resistance for efficient thermal management.

A pantograph current measuring device determines potential differences across a resistive section using operational amplifiers.

Slots separate fastening regions from the main body, allowing independent movement that reduces thermal expansion stress on connected fuse elements.

A detection circuit monitors electrical control device drive circuits to identify specific fault states through signal analysis.

Adjustable inductance enables dynamic tripping thresholds, resolving reliability and cable complexity trade-offs.

A leakage detection circuit uses ohmic voltage dividers and a processor module to calculate checkproducts for continuous robustness verification.

Replacing mechanical brakes with a generator-based system reduces weight and energy consumption while maintaining reliability.

Frequency hopping heating resolves uneven cavity distribution by dynamically switching oscillation frequencies, eliminating mechanical stirring parts.

A current interruption circuit switches a relay off using an alarm and latch mechanism to isolate storage blocks from overcharge conditions.

A separate emergency housing isolates critical accumulator cells from main module damage, ensuring operational safety during vehicle accidents.

Segmented switch units with current sensors isolate short circuits to maintain reliability and prevent system failure.

A vehicle controller adjusts regenerative braking torque based on real-time deceleration measurements.

Floating battery arrays shift within a housing using deformable supports to absorb collision energy and prevent structural damage.

A titanium niobium composite oxide negative electrode paired with a phosphate electrolyte additive stabilizes the battery interface.

A controller connects an impedance between a traction battery and subsystem to create a leakage path for diagnostic testing.

A measurement circuit outputs a low-frequency AC signal to determine internal and external side insulation resistances of a main relay.

Longitudinal bearings convert impact forces into transverse shear stresses to protect safety-relevant parts from non-central collisions.

Single-phase capacitor units switch between star and delta connections to compensate reactive power, reducing noise and fire risks from combustion engines.

A battery management system applies an electrochemical model to estimate cell states and physical parameters from sensor data.

Dual current detection subcircuits distinguish disconnected wires from short circuits, preventing false contactor shutdowns.

A system generates motor electrical signatures to identify fault measures indicative of mechanical characteristics.

A vehicle bus controller monitors contactor voltages to verify closure states before initiating battery pre-charge operations.

A self-powered power sensor system uses energy harvesting to measure electrical parameters without external wiring.