E-Mobility
Smart Solutions for the Connected World

Innovative solutions are becoming more available to allow electric mobility to enter the mass-market. An important part of this is the charging technology. The term smart charging is used for charging systems of electric or hybrid vehicles according to ISO 15118, DIN SPEC 70121, SAE J2847/2. Vector supports developers of on-board charging ECUs in the vehicle, charging stations and induction charging systems with extensive test systems and bespoke ECU software.
Event 2019
Technical Article
All Details About the 5th E-Mobility Engineering Day 2018

Ongoing debate about diesel cars has benefited electric mobility by shifting it more into the public spotlight. However, road users are generally unaware of the specific challenges associated with this form of transportation. Specialists are working intensively to fulfill the technical prerequisites for successfully managing the transition.
This year, visitors to the 5th Vector E-Mobility Engineering Day can get an impression of some of the issues involved – vehicle technology, the charging infrastructure and standardization.
Types of Charging
The charging infrastructure essentially offers three types of charging:
- Alternating current (AC)
- Direct current (DC)
- Inductive charging
The battery in the vehicle is always charged with direct current (DC). This means that the charging systems (charging infrastructure and vehicle electronics) need to be set up differently. An AC/DC converter is needed in the vehicle for AC and inductive charging. In the case of DC charging, this converter is already installed in the charging station, i.e. the charging station is essentially directly connected to the battery. That is why in DC charging the vehicle must always communicate its momentary charging power requirements to the charging station. This means that it is absolutely essential for DC charging systems to be equipped with a communications unit between the vehicle and the charging station. The physical communication medium and details on the message sequence are defined in these national and international standards: ISO 15118, DIN SPEC 70121, SAE J2847/2, IEC 62196-3 and CHAdeMO.
ISO 15118
ISO 15118 is the only standard to describe the option of an automatic payment process with authentication based on certificates and TLS security. In the standard, this mechanism is referred to as Plug’n Charge (PnC).
In principle, inductive charging systems work with alternating current. It is not possible to simply limit the power on the vehicle side, so communication is also necessary – in this case between the vehicle (secondary side) and the floor plate (primary side). This communication is currently also specified in ISO 15118.
Smart Charging

The term smart charging is used for charging systems of electric or hybrid vehicles according to ISO 15118, DIN SPEC 70121, SAE J2847/2. The communication between vehicle and charging station is realized in two ways:
- As powerline communication via the control pilot pin in the form of a PWM signal and a digital signal for HomePlug-GreenPhy standard.
- Wireless in case of inductive charging.
Vector Solutions for Smart Charging
Vector supports developers of on-board charging ECUs in the vehicle, charging stations and induction charging systems with extensive test systems and bespoke ECU software. This helps you to develop your software quickly and cost effectively.
Testing of ECUs

Using the Vector test solution for smart charging, you can test on-board charging ECUs without having to operate a real charge spot. Within the test, the behavior of the charge spot is simulated within a wide range and can be varied.

Through system-wide uniform time stamps, the test system is able to set the charging communication, bus communication and I/O events in a precise temporal relation. You would like to test on-board charging ECUs quickly and easily?
Vector provides the following products for testing the typical tasks:
vTESTstudio is an authoring tool for test design and offers:
- Test programming (CAPL, C#)
- Spreadsheet-based test design
- Graphic test design
- Definition of parameters and waveforms for any signals, value settings or similar objects
CANoe .Ethernet is the ideal development and test tool for the development of ECUs and charge spots for smart charging:
- Test creation and execution
- Simulation of state machine and environment with help of a SCC DLL (intelligent charging per ISO 15118)
- Wide-ranging analysis, measurement and logging functions
- Supports remaining bus simulation
- Controlling further system components, e.g. power supply
For testing the charging communication, the VT System offers e.g.
- access to the Control Pilot Signal (input and output) and Proximity Pilot Signal
- simulation of additional sensors and actuators of the ECU
- driving external measuring equipment (power supply, electronic loads)
Testing of Charge Spots

Using the Vector test solution for smart charging, you can test charge spots without having to run a real on-board charging ECU. Within the test, the behavior of the ECU is simulated within a wide range and can be varied.
For the testing of charging stations and simplifying the test assembling, you can get the following products from Vector:
vTESTstudio is an authoring tool for test design and offers:
- Test programming (CAPL, C#)
- Spreadsheet-based test design
- Graphic test design
- Definition of parameters and waveforms for any signals, value settings or similar objects
CANoe.Ethernet is the ideal development and test tool for the development of ECUs and charge spots for smart charging:
- Test creation and execution
- Simulation of state machine and environment with help of a SCC DLL (intelligent charging per ISO 15118)
- Wide-ranging analysis, measurement and logging functions
- Supports remaining bus simulation
- Controlling further system components, e.g. electric loads
For testing the charging communication, the VT System offers e.g.
- access to the Control Pilot Signal (input and output) and Proximity Pilot Signal
- simulation of additional sensors and actuators of the ECU
- driving external measuring equipment (power supply, electronic loads)
ECU Software

For the rapid development of on-board charging ECUs, Vector offers the software stack MICROSAR.V2G. The stack already contains the entire protocol stream of smart charging according to ISO 15118, DIN SPEC 70121 and SAE J2847/2. Controlling the Powerline transceiver is included, too.

MICROSAR.V2G also supports the standards GB/T 27930 and CHAdeMO for China and Japan. These specify the DC charging and are based on communication via CAN.
Vector offers MICROSAR.V2G (Vehicle to Grid), which are embedded software modules that cover the vehicle-side communication sequence for Smart Charging.
The MICROSAR.V2G basic software fits seamlessly into existing AUTOSAR architectures and is being used in series production at a number of OEMs. It can also be used with existing OEM-specific software architectures.

Ethernet-based communication is supported according to ISO 15118, DIN SPEC 70121 and SAE J2847/2. This so called Combined Charging System (CCS) is common in North America and Europe. For all vehicle manufacturers, AC and DC charging is supported with the profiles EIM (External Identification Means) and PnC (Plug' n Charge) including SLAC (Signal Level Attenuation Characterization). In addition, Value Added Services (VAS) can be connected via HTTP and DNS, for example, or OEM-specific functions can be implemented. This could be, for example, a parallel, proprietary communication between the vehicle and the charging station in order to exchange additional information.

In addition to the CCS-related standards, Vector also supports the GB/T 27930 and CHAdeMO standards for China and Japan. These specify the DC charging and are based on communication via CAN. AC charging is controlled exclusively by a PWM signal.
ECU Hardware

The VC-VCCU is an ECU specially developed for communications in electrically-powered commercial vehicles. The ECU handles standardized communication, e.g. between electric buses or urban trucks and the charging infrastructure.
Charge Spot Software

For the rapid development of charging stations, Vector offers the software stack vEVSE. The stack already contains the entire protocol stream of smart charging according to ISO 15118, DIN SPEC 70121 and SAE J2847/2.

With vEVSE, Vector provides embedded software modules for the charging station which covers the communication process according to ISO 15118, DIN SPEC 70121, SAE 2847/2.
For all charging station manufacturers, AC and DC charging is supported with the EIM (External Identification Means) and PnC (Plug ‘n Charge) profiles including SLAC (Signal Level Attenuation Characterization).
The software fits seamlessly into existing LINUX systems.
For further Information about the charging station software, please get in contact with Vector.
Downloads
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2019-02-22 Service PackPREEvision 8.5.13 (64 bit)
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2019-02-21ベクター、テスト自動化プラットフォームVectorCASTと、GrammaTech社CodeSonarの統合を発表
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2019-02-21 Product DescriptionFact Sheet CANoe Test Package VAG
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2019-02-21 Product DescriptionFact Sheet CANoe Test Package VAG
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2019-02-20 Application NoteAN-IDG-1-018 Automated Flashing and Testing with CANoe, vFlash and VN89xx
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2019-02-18 Technical Article先進システムの設計を安全に~ISO 26262に準拠したモデルベースE/Eシステム開発~
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2019-02-18 Technical ArticleAUTOSARで診断開発–自動車メーカー/サプライヤーの利点
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2019-02-15 Case StudyCase Study: Automatic Timing Simulation and Execution Time Measurement with AUTOSAR
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2019-02-14ベクターの「PREEvision 9.0」でサービス指向E/Eアーキテクチャーへの切り替えを
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2019-02-14 Press ReleaseNeues CAN (FD)/LIN Netzwerk-Interface für PCIe
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