汽车电子ECU 测试解决方案

HIL Test Bench CANoe & optional VT System Remaining Bus Simulation
5
Testing Overview
Vector Testing Protfolio
vTESTstudio
u
CANoe + VT Modules + Bus Interfaces
Realtime execution of tests Access to SUT via
> > >
u
u
I/Os, bus systems and protocols (diagnostics, XCP, …) Debug Interface
u
Graphical test design (diagrams)
u
Provide the simulated enviroment for the ECU that is the same as the real working environment Measure the output of the ECU
u
u
u u u u
Easy fault injection
7
Requirement and Specification Management
Requirement and Specification Phase
Specification of Requirements & Tests
Design & Implementation
Planning & Execution
CAPL
IOs
Para Libs
Bus
ECU ECU
Test Management
u u u
Test Design
u u u
Test Execution
u u u
Requirements Planning Test progress
Implementation Suitable methods Flexibility
Evaluation & Analysis
Project & Test Data Management & Test Team Management
vTESTcenter
u
u
Configuration management of test data
Team collaboration by multi-user support Requirements and test engineering
u
12
Efficient Testing Environment Setup
ECU in its natural environment
M
Actuators
Remaining ECUs ECU
Battery
Sensor
13
Efficient Testing Environment Setup
ECU Test with VT System
Requirements Test Design
CAPL
IOs
Bus Customer & Variants
Para
Libs
ECU ECU
Efficiency by:
u u u
Planning Libraries Optimal test means
u u u
Documents exchange Parameter Variant support
Large Test Projects
Test Manager Test Designer System Engineers Diagrams Tables C# Test Traceability
Tester
CANoe CANoe
Remaining Bus Remaining Bus Simulation Simulation Test Execution Test Execution Test Reports
u
8
Requirement and Specification Management
Requirement and Specification
Requirement:
The collection of functions and features those should be implemented by the DUT .
2
Testing Overview
Small Test Projects
Test Designer
CANoe
Remaining Bus Simulation Requirements Test Implementation Test Execution Test Report
IOs
Bus
ECU
3
Testing Overview
Test Specification:
Collection of cohesive Test Items
Test Specification X
• Test Item X.1
n:m
• Test Item X.2 • Test Item X.3
Test Specification Y
• Test Item Y.1
Access via SW interfaces, such as diagnosis, CCP / XCP, ... Easy automation of the tests Separate the logic and parameter from the test project Ntuitive operation, easy maintenance, ... ->operating costs!
9
Requirement and Specification Management
Requirement Management in vTESTcenter
10
Requirement and Specification Management
Test Specification Management and Requirement Mapping
16
Efficient Testing Environment Setup
Test Specs / Test Items • Test Item: Textually described use case path through one or more requirements. Describes the circumstances of the test. Contains test engineering work.
VT1004A VT2516A (digital)
M
V
CANoe
Remaining ECUs
Power Supply
Power Supply Control
ECU under Test
Network Interface
I
VT6204
D A
VT6000
VT7001A
VT System
VT2004A VT2516A (digital)
u
Specification of Requirements & Tests Design & Implementation Planning & Execution Evaluation & Analysis
ห้องสมุดไป่ตู้
Test programming (CAPL, C#) Table based test design
14
EtherCAT® is registered trademark and patented technology, licensed by Beckhoff Automation GmbH, Germany.
Efficient Testing Environment Setup
Core requirements for an efficient test environment
± 32V
Switching & Fault Injection Units
Short-circuits, Breaks, …
Under Test ) SUT (System SUT
u u
Hardware Horizontal integration of test components on hardware modules Lots of modules and extensive wiring needed
Test Item:
Use case path across several requirements + description of e.g. non-functional conditions
Requirement Structure • Requirement A • Rq A.0 • Rq A.1 • Rq A.2 • Requirement B • Rq B.1 • Rq B.2
u u
Work split Reviews
4
Testing Overview
Vector Test Solution
Traceability
Diagrams
Tables C# Test
CANoe CANoe
Remaining Bus Remaining Bus Simulation Simulation Test Execution Test Execution