T/CSAE 81-2018 in English
VALIDPerformance requirements and bench test methods for energy-regenerationautomobile electronic stability control system
- Issued on:2018-09-03
- Implemented on:2018-09-03
- File Format:PDF
- Delivery:Via email within 5 business days
$301.00
| Standard No: | T/CSAE 81-2018 |
| Document status: | VALID |
| Title in English: | Performance requirements and bench test methods for energy-regenerationautomobile electronic stability control system |
| Title in Chinese: | 能量回馈式整车动力学控制系统 性能要求及台架试验方法 |
| Language: | English |
| File Format: | Electronic (PDF) |
| Delivery: | Via email within 5 business days |
| Issued on: | 2018-09-03 |
| Implemented on: | 2018-09-03 |
| Professional Classification: | T/-Social Organization Standard |
| Related Keywords: | standard technical dimensions traditional esc system eesc system requirements
performance requirements key performance indicators standard requirements energy-regenerationautomobile electronic stability control system introduction analysis following requirements |
| Related Topics: | dynamics
Quantitative mechanical properties Measuring the mechanical properties Feedback vehicle sample requirements return pump Mechanical property requirements t/csae 312 t/csae 133 |
Introduction
Analysis of the core content of the standard
| Technical dimensions | Traditional ESC system | EESC system requirements |
|---|---|---|
| Working pressure range | 8-10MPa | 12-16MPa |
| Response time | Boost≤250ms | Boost≤195ms |
| Environmental adaptability | -30~85℃ | -40~120℃ |
Detailed explanation of key performance indicators
Standard requirements: The hydraulic control unit (HCU) must meet the following requirements at a rated pressure of 12MPa:
- High-pressure sealing: ≤0.6MPa/60s pressure drop
- Dynamic response: boost hysteresis ≤11ms, buck hysteresis ≤9ms
- After environmental testing: boost time deviation ≤15ms
Typical case: After 128 hours of salt spray test, a certain model of EESC actuator had no red rust on the surface, verifying the effectiveness of the IP6K9K protection level.
Innovation of test method
- Multi-stress coupling test: Combining temperature cycle (-40℃↔120℃) and random vibration (10-1000Hz)
- New seal detection: Using 300Pa vacuum to detect micro leaks
- Compound environment verification: 5%NaCl solution immersion + 12 cycles of power-on self-test
Implementation suggestions
Attention should be paid to enterprises when introducing this standard:
| 1. Production line upgrade | Add 35MPa pressure test tooling |
| 2. Quality control | Establish SPC control chart of dynamic characteristics of solenoid valve |
| 3. Verification and Optimization | It is recommended to conduct 3 complete rounds of temperature cycle verification |
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