With the electrification trend in the transportation industry, vehicles must have safe, reliable, and user-friendly systems, which puts tremendous pressure on engineers and software architects. All six components of the electric vehicle (EV) powertrain system must operate in coordination to achieve optimal performance. However, there are some architectural challenges and safety and security considerations in software development. Additionally, charging protocols vary by region and are constantly evolving. Due to the complexity of embedded software in electric vehicle (EV) electrical powertrains, automotive software developers need specialized solutions to tackle the complex issues encountered during the development process.
Siemens Digital Industries Software has released a white paper on overcoming challenges in embedded software development for electric vehicles, discussing issues related to EV electrical powertrains and software development, as well as how its comprehensive solutions can help developers tackle the challenges of embedded software development for electric vehicles:
l Major trends that help accelerate the development and use of EVs
l Architectural challenges of embedded software in electrical powertrain systems
l External security threat risks posed by connected charging ports in vehicles
l Functional safety requirements for ECU development
l Evolving communication protocols for EV architecture
l How Capital VSTAR helps developers overcome numerous challenges in EV embedded software development
Preview of the white paper content
Challenges related to architecture, safety, and security of embedded software in electric vehicles
It can be said that driving safety is the primary requirement for all vehicles; with the introduction of high-voltage components, the safety requirements for electric vehicles are becoming increasingly stringent. As more modern vehicles begin to connect to the network and contain highly complex electrical architectures with numerous access points, electric vehicles are more susceptible to cyber threats such as ransomware, malware, or distributed denial-of-service (DDoS) attacks, posing risks to personal data and payment information. Furthermore, electronic control unit (ECU) developers must strive to address new architectural challenges. Although electric vehicles and plug-in hybrid vehicles on the market are quite mature, chargers and charging technologies are still evolving, necessitating the use of communication stacks to develop ECUs to ensure compatibility between EVs and roadside EVSE.
Reducing hardware dependency through E/E system development
Further increasing the complexity of electric vehicle systems is the requirement that all electric vehicle components must meet specified Automotive Safety Integrity Level (ASIL) requirements to ensure the safety of the entire system. To this end, a microcontroller with multicore support and an AUTOSAR stack along with AUTOSAR basic software (BSW) will be very beneficial. AUTOSAR is the main standard in automotive software, and all major automotive OEMs and most tier-one suppliers are involved in the development of the AUTOSAR standard. Siemens’ production-validated complete solution, which supports AUTOSAR-aware environments, not only allows for the integration, testing, and analysis of software but also reduces dependency on hardware.
How multicore solutions address challenges in EV embedded software design
Today, developing future-oriented advanced automotive products relies on sophisticated integrated E/E system development tools. Capital VSTAR’s multicore solutions enable software distribution, which is particularly effective in overcoming performance and safety challenges in EV embedded software design. It also provides a solution to address security issues in software platform development, powering high-performance ECUs in today’s electric vehicles.
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Learn more about complete solutions with the following features:
l Software distribution capability and multicore architecture
l Secure in-vehicle and vehicle-to-grid (V2G) communication
l Rapid deployment of functional safety requirements
l Quick adoption of new and evolving charging protocols
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