Amid the wave of new energy vehicles, Yiwei Motors remains committed to innovation-driven technology and user-centric experiences. Today, we take an in-depth look at two core components that serve as the “brain” and “nerve center” of NEVs—the VCU (Vehicle Control Unit) and T-BOX (Telematics Box)—and explore how their intelligent synergy delivers a smarter, safer driving experience.
As the central control hub of the vehicle, the VCU (Vehicle Control Unit) serves as the “brain” of new energy vehicles (NEVs). The VCU system enables precise vehicle control through real-time communication with key components such as the motor controller and battery management system (BMS) via the CAN bus
Core Functions of the VCU
- Power Control: Dynamically adjusts target torque based on driver input and vehicle status.
- Energy Management Master: Intelligently allocates electrical energy and optimizes power flow according to driving conditions to extend range.
- Real-Time Fault Diagnosis: Implements a three-tier fault handling system (Level 1: Warning; Level 2: Power Limitation; Level 3: Shutdown) and collaborates with the T-BOX for instant alerts, ensuring driving safety.
Core Functions of the T-BOX System
The T-BOX integrates capabilities such as data storage, transmission, and trajectory recording, with two key features below:
- Real-Time Data Collection & Storage
- Millisecond-level sampling of vehicle CAN bus data, constructing a comprehensive digital vehicle profile.
- Supports fault early warning, energy efficiency optimization, and after-sales service with reliable data.
- Precision Trajectory Recording
- Utilizes high-accuracy GPS to enable driving path traceability.
- Provides actionable insights for:
- Driver behavior analysis
- Geo-fencing monitoring
- Accident investigation
1+1 > 2: Intelligent Closed-Loop via Dual-System Synergy
Data Interconnectivity
- The VCU uploads real-time vehicle status to the T-BOX, which parses and executes cloud control commands within milliseconds, forming a cloud-vehicle integrated control loop.
Fault Alerting
- When the VCU detects anomalies, the T-BOX instantly transmits fault codes to the cloud via TCP(Transmission Control Protocol), enabling smart fault classification and precise diagnostics.
Remote Management & Control
The remote control module includes two key functions:
- Air Conditioning (Cooling/Heating)
- Battery Preconditioning
Use Case:Remote A/C Cooling
[Scenario]
On a scorching summer day, the cab becomes unbearably hot after prolonged sun exposure. With remote A/C activation, drivers can pre-cool the cab before entering, ensuring immediate comfort.
[System Architecture]
This function relies on multi-layer coordination across:
- Telematics Platform
- T-BOX
- VCU
- A/C System
Let’s see the diagram below for the workflow:
Conclusion
Looking ahead, Yiwei Motors will further advance VCU and T-BOX technologies to deliver smarter, more personalized experiences for users.We believe that through continuous innovation,new energy vehicles will transcend their role as sanitation tools and evolve into intelligent companions that truly understand your needs.
Post time: May-12-2025
