Monitoreo y Mitigación de Fallos de Baterías de Tracción en Alta Frecuencia
RealTimeBattery elimina los ángulos muertos de las baterías de tracción sustituyendo el sondeo CAN a 10 Hz por telemetría en microsegundos. Al muestrear corrientes y voltajes a frecuencias de kilohercios, detecta dendritas y cortocircuitos antes de fallos críticos.
Realtime Battery Engine Zonal Architecture
Central Controller: Realtime Battery Engine — 100 kHz High-Speed AFE
Zonal Control Units & TSN Ring
- Isolated Shunt 100 kHz Current Sensor
- Microsecond Overcurrent Hardware Comparator
- Instantaneous Internal Resistance (Ri) Core
- 1 Gbps TSN Battery Telemetry Stream
- Pyrotechnic Actuator Fast Driver
Por Qué la Telemetría CAN de 100 ms es Demasiado Lenta para la Seguridad de Baterías Modernas
Las arquitecturas de 800V demandan una observabilidad sin precedentes. Durante aceleraciones bruscas o impactos, caídas sutiles de voltaje revelan microcortocircuitos y estrés en electrodos. RealTimeBattery une convertidores A/D de precisión con aceleradores FPGA para calcular espectros de impedancia en tiempo real.
Core Engineering Areas
- High-Frequency Current Sensing — Deploying temperature-compensated Manganin shunts and fluxgate sensors sampling current at 100,000 samples per second to observe microsecond transient dynamics.
- Crash-Induced Internal Short Detection — Monitoring sudden drops in high-frequency impedance to identify separator rupture and internal short circuits seconds before temperature sensors register any heat.
- TSN Battery Telemetry Streaming — Using IEEE 802.1Qbv Time-Aware Shapers to stream raw cell voltages and temperatures directly from zonal gateways to the central vehicle compute cluster.
Technical Articles
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