Bus Networks TRIZ Cases

Actual CAN delay and torque mismatch are used to modify engine torque requests, improving shift smoothness and durability.

Reassignable reference numbers and transmission parameters let one vehicle control unit adapt data exchange to different sensors and actuators.

A two-list reference mapping lets vehicle control units reassign transmission parameters after production to support varied protocols.

Large-message headers and frame segmentation let automotive audio buses carry arbitrary-length data without hardware or firmware changes.

A watchdog-triggered link reset lets a UPS bypass switch detect converter failure over Ethernet and transfer power within 1 ms.

Coordinated reply timing lets multiple passive subscribers share one write request and form a single data packet with lower bus complexity and cost.

A dual CAN master setup lets redundant PLC and CAN modules fail over seamlessly to keep subsea wellsite equipment under control.

Voltage sensing on the data bus enables self-initializing address assignment and successor detection without extra signal lines.

Resistor networks and switchable paths let new bus participants detect voltage states, self-assign addresses, and verify connection status.

Voltage-based connection and supply detection lets new bus participants self-initialize and receive addresses without extra signal lines.

Switch-controlled driver path isolation lets a CAN transceiver be tested without loading the bus or emitting unintended signals.

Custom Ethernet fields let one controller initialize and verify addresses across multiple node apparatuses with less communication time.

Position signals let daisy-chain bus participants derive unique addresses in one initialization pass, cutting setup time and programming complexity.

Diagnostic polling exposes duplicated peripheral addresses on a control bus, speeding fault isolation in gate and door systems.

Multipath routing and dynamic bandwidth allocation stabilize vehicle sensor data transfers to storage and reduce in-vehicle network bottlenecks.

Idle-time assignment and packet verification let a serial bus scale to 65,536 devices while preserving signal integrity and reducing installation complexity.

Delayed cell forwarding lets upper-level nodes share sorting load, easing egress IQ pressure and cutting back pressure delays.

Control-gated CAN bus ports enable daisy-chain auto-addressing, cutting manual setup time while preserving signal integrity.

Offer and subscription messages let ECUs enable only needed services during network updates, limiting bus load and unnecessary traffic.

Selective ECU service requests and responses let nodes change reception settings during updates, limiting unnecessary bus traffic.

Sequence checks across redundant CAN channels help ATO receivers reject duplicates, handle packet loss, and keep train control data continuous.

A master detects a missing slave and auto-assigns its identifier to a new same-type node, cutting manual LIN configuration errors.

Extended conductor routing inside each I/O module improves bus distance resolution, enabling accurate self-addressing without extra hardware.

Dual CAN-FD buses use SYNC-based active and backup roles with sequence checking to enable deterministic communication and bumpless fail-over.

Dual CAN-FD buses use SYNC-based active and backup roles with sequence-numbered frames to keep industrial I/O failover deterministic.

A unified network monitor and protocol conversion layer verifies mixed CAN, LIN, and Ethernet virtual ECUs with logging and error detection.

A master control unit assigns and verifies unique CAN node addresses over a daisy chain, cutting manual setup time, errors, and part complexity.

Calculating message sequences from design and delay time data helps verify serial bus latency and expose priority inversion early.

Filtering and throttling multi-protocol CAN messages cuts redundant data while enabling remote diagnostics and failure prediction for industrial equipment.

Through-output bridging with controlled recessive bus levels lets mixed-protocol semiconductor nodes handle read and write traffic without signal conflicts.

A control unit switches between power-saving and high-performance frame paths by network load to cut idle communication power use.

Dynamic protocol detection and conversion connect legacy HART field devices to Ethernet systems without losing speed or compatibility.

Collect multiple Modbus data blocks in one interaction to exceed packet limits, cut bus occupation frequency, and improve real-time response.

Evaluation logic filters false low differential levels in CAN XL and switches receiver modes to cut errors and power use.

Integrated bridge control buffers through-output data and translates mixed CAN and LIN links to cut transceivers and wiring.

Device-level port mapping enables multi-path packet forwarding to balance network port loads and improve communication efficiency.

Parallel message queues split decoding and multi-engine intrusion checks across modules to speed vehicle network threat detection.

Edge-interval, data-pattern, and baud-rate checks identify noise, MCU faults, and sync errors to keep serial reception reliable.

By controlling CANH-CANL voltage gaps during dominant and recessive switching, this case cuts reflection, oscillation, and bit errors.

Blocks CAN messages with impermissible identifiers using error-frame invalidation and reachability checks to expose compromised nodes.

Controlled CANH-CANL differential voltage limits reflection and oscillation during dominant-recessive transitions, reducing bit errors.

By lowering CAN output impedance and analyzing response messages, this case predicts transmission faults and pinpoints faulty branches before failure.

Variable start-signal intervals synchronize bus data transmission while reducing electromagnetic disturbance noise from voltage changes.

A master ECU splits bus bandwidth and allocates dynamic-message capacity by priority to prevent overload and preserve in-vehicle communication quality.

Using the vehicle power cable as a backup data path keeps electronic modules communicating when the main bus fails.

Precomputed port reachability enables multi-path packet forwarding that balances bandwidth loads, cuts congestion, and saves routing resources.

Arbitration delay on repeated best-effort CAN frames improves bandwidth fairness while preserving strict priority for event-triggered traffic.

A signal improvement circuit preemptively collapses differential voltage to suppress CAN bus ringing, EMI, and bit errors at higher data rates.

Shifting CAN database references with RTR messages helps ECUs stay synchronized while blocking message decoding and injection attacks.

A MOD field in the first CAN frame reserves bus time for multi-frame vehicle data, reducing arbitration delays and interference.

Simulated accessory bus signals let manufacturers test ECU circuitry before installation while preventing fault codes at delivery.

Receiver compares commands with stored queries to confirm understanding, preventing malfunctions from misinterpreted signals.

A PHY device media access priority manager transmits frame priority indications with more than three bits of information.