Road Traffic Warning Means TRIZ Cases

Auxiliary shunts add a controlled rail bypass to detect poor-shunting trains and trigger grade crossing warnings on time.

Repurposed UWB positioning signals detect tunnel intrusions quickly, cutting surveillance cost and installation complexity in subways.

An alarm circuit detects a closed cover while the gate remains in maintenance mode, preventing unsafe crossing gate operation.

Shiny or black objects can defeat conventional scanners; a reference contour supports reliable level-crossing detection toward SIL3 safety.

This case combines UWB train-positioning anchors with radar echo processing for rapid, low-infrastructure tunnel intrusion detection.

Filtered railway crossing data delivers real-time route warnings to users.

Automated radar analysis of object trajectories and barrier positions defines the monitored area without manual alignment, reducing setup complexity.

A train detection system uses GPS tracking modules to monitor vehicle positions and issue wireless collision warnings.

A detection unit transmits electromagnetic waves to a reflector and receives reflected signals to identify obstacles at level crossings.

A warning system detects approaching objects using moving path analysis and confirmation conditions to trigger accurate alerts.

Bidirectional crossing predictors exchange vital I/O signals to determine train direction, eliminating insulated track joints and reducing installation costs.

A highway crossing out-of-service controller uses a timer and control circuitry to manage equipment disablement.

A train warning device transmits approach signals to motor vehicles via Car2X interfaces.

Phase-adjusted drive signals steer projected sound beams toward railway crossings, reducing noise pollution in adjacent areas.

Feedback measurement information from the track transmitter enables accurate track circuit impedance determination for reliable train speed calculations.

Radar sensor device detects traffic motions to adjust barrier and light signal activation timing based on vehicle speed and density.

Direction Detecting Camera and event recorder automate railroad crossing warning time testing, eliminating manual labor hours required for FRA compliance.

Overlapping radar scanning zones and passive alignment targets improve object detection accuracy after barriers close.

An automated monitoring system replaces manual inspections by using tilt sensors to detect gate misalignment, reducing maintenance costs and enhancing safety.

A distal accelerometer sensor sends current pulses to a microprocessor for gate arm position detection.

Ultrasonic waves conducted through rails detect vehicle occupancy to control crossing barriers and signals in real time.

Sentinel apparatus transmits live images to train drivers via GPS-triggered activation, enabling timely braking at level crossings.

Backed-up programmable control block connects to remote intelligent peripherals via redundant data transfer lines.

Wireless communication between onboard and wayside processors detects train presence, eliminating track circuits that require frequent maintenance.

Rail-mounted sensors detect acoustic and seismic waves for early train detection, reducing accident risks at unsecured crossings.

A wireless detection system uses electromagnetic beams to identify train presence at railway crossings without rail-mounted wiring.

Automated laser detection determines train direction and speed, resolving manual inspection gaps in crossing warning systems.