Why is safety at the heart of software-defined vehicles? (2023)

Developing technology can be a complicated and time-consuming process. At LHP Engineering Solutions we deliver exactly that: solutions. We are a service and technology integrator with the skills and knowledge to solve functional safety problems. One way we deliver solutions for our clients is to integrate them with our advisory governance model, the Functional Security Ecosystem, a six-part integrated model that can take your organization beyond compliance. Safety is the basisSoftware Defined VehiclesBut true functional safety requires more than a simple mechanistic attempt to meet compliance requirements. The LHP ecosystem takes a more holistic approach.

To understand why functional safety needs to be at the heart of software-defined vehicle development, we first need to find a precise definition of functional safety. Next, we will look at some examples of functional safety measures and discuss what functional safety means for designers and managers in an automotive manufacturing company. We will also look at the LHP Ecosystem's integrated approach to functional safety and how it drives not only compliance but excellence in your company's projects and designs from start to finish.

What is functional safety in automotive engineering?

What are the differences between safety and functional safety?

Why is functional safety important in engineering?

What functional safety means for engineers and managers in the automotive industry

Who is responsible for functional safety?

(Video) How DevOps Drives Software-Defined Vehicles

Details on LHP's functional safety ecosystem

Examples of LHP functional safety ecosystem solutions

LHP ecosystem for functional safety, sum of six parts

What is functional safety in automotive engineering?

Functional safety is an aspect of safety management aimed at reducing the risk of failure of a device, process or system as part of the networked and interdependent electrical and electronic (E/E) safety systems of modern automobiles, especially autonomous vehicles (OUCH). . An internationally recognized way to achieve this is described in ISO 26262.

Voluntary compliance with functional safety principles is also a way for manufacturers to showcase credible AV products to the public.Nextgovernment regulations. In the coming years, public confidence in AV vehicles will play an increasingly important role in the industry as the production of cars with a higher level of automation increases dramatically. LHP's functional safety ecosystem puts public safety and their confidence in the safety of vehicles engineered and built to functional safety standards at the forefront of design.

Why is safety at the heart of software-defined vehicles? (1)

What are the differences between safety and functional safety?

Functional safety is part of the safety practices of many manufacturers. In general, security is a very broad topic. Functional safety is specific and conforms to ISO 26262:2018 Road vehicles - Functional safety to ensure consistent and uniform performance measurement.

The idea of ​​security is actually the idea of ​​risk management, which ensures that the activity does not pose an appropriate risk. It quickly becomes difficult to measure or think about the exact level of risk. Some examples:

  • People demand that the risk of injury is extremely low. No one wants to consider the possibility of harming themselves, loved ones, or anyone else.
  • We also may not want to cause damage to public buildings, our vehicle or other people's property and want the risk of such an event to be very low.

Intellectually we know that the possibility, this risk, can never be absolutely zero, but we require our safety systems to aim for absolute zero, as the standard itself states: “No unreasonable risk from faulty E/E systems “. Consumers, operators and occupants of automotive products expect that the risk of personal injury or serious property damage is completely eliminated or at least so small that it does not occur in everyday use. Emotions are not actually a quantifiable measure of functional safety, but social trust, even when measurable, is not always based on statistics.

Humans will always, and probably always will, inherently make risk assessments. For example, we can examine a layer of ice on a frozen river; is it thick enough? Is it safe to walk We feel safe when, based on various assessments, our own experience, or the expertise of others, we determine that the risk is very small - small enough to make us feel safe walking on this ice. To feel safe driving a self-driving vehicle, consumers need to use their own judgment. In doing so, they rely in part on the expertise of suppliers and automakers to make the car as safe as possible, relying on the expertise of experts like LHP das da.

(Video) Coding the Software-Defined Car

In automotive engineering, the question arises: does this system or device help solve a specific problem or safety issue? How must this system be designed to ensure extremely low risk? Instead, functional safety is about whether the risk of failure of an individual system or component of the vehicle is low enough. Another way to express this is to ask: Do I think the risk of this activity is acceptable or unacceptable?

Coming back to the frozen river analogy, safety itself may involve inspecting the ice you intend to walk on. Functional safety must consider not only the ice water flowing beneath, but also potential hidden hazards on the frozen surface, as well as ways to exit the frozen river safely should the ice break underfoot. Functional safety ensures that the affected systems work together correctly and ensure the safety of people. If they fail or don't work together properly, they should do so in a predictable and predictable manner so that even in the event of a failure, these systems continue to function within the contingencies that the AI ​​is programmed to handle. The possibility of a system or device failure must also be part of functional safety.

Why is functional safety important when developing a software-defined vehicle?

Functional safety as a standard governs the construction and design of electrical and electronic systems, especially when they work together not only throughout the vehicle, but throughout the connected network of software-defined vehicles and their external, operational navigation infrastructure.

Functional safety also brings technical quality assurance (QA) into the design process. Quality control is typically very common on the manufacturing side of a company, but less so in the development of the product being manufactured. A good solution is to train the organization's QA team in functional safety.

What does functional safety mean for automotive engineers and managers?

Understanding functional safety and its initial costs and ultimate benefits can force organizational leaders to make an investment decision with full awareness of the difficulties and benefits of that decision. Efforts to comply with ISO 26262 in the short term can lead to greater organizational credibility and longevity.

Why is safety at the heart of software-defined vehicles? (2)

LHP ecosystem for functional safety and software-defined vehicle

What is the LHP Functional Safety Ecosystem?

Amid all the chaos of new technologies, the automotive industry and especially SDVs need uniform standards for functional safety. These benchmarks not only ensure that vehicles are fully functional, but also increase public confidence in this safety. Widespread compliance with ISO 26262 is one way to drive industry convergence and reduce confusion, but ISO 26262 is still just the beginning. Accommodating dynamic, diverse global organizations that invent new technologies every day and creating a true industry consensus on benchmarks and terms of use for that technology takes more than just adhering to a single standard, no matter how demanding that standard may be. Understanding functional safety and the role of the LHP functional safety ecosystem in ensuring compliance, certification and more is the path for suppliers and manufacturers to be competitive in this complex and emerging global market.

LHP started with ISO 26262 and from there built our unique ecosystem with six focus areas. When deployed as a full-featured security environment that not only ensures compliance but also the highest quality, it is a powerful tool.

Six areas of interest

LHP's functional safety ecosystem consists of cybersecurity, test systems, AUTOSAR, specific standards and regulations, model-driven development, and application lifecycle management. Below we can analyze and discuss each one of them in detail.


Safety and protection must work hand-in-hand in the functional safety ecosystem; Security is an essential element in building trust. A software-defined vehicle with billions of lines of code has the same number of vulnerabilities. No matter how robust a system is in terms of security, it can still be vulnerable to malicious hackers. The ISO 26262 standard confirms that functional safety is not possible without an appropriate presence of cybersecurity in the design and operation of electrical and electronic systems. However, the ISO also does not provide guidance on how to implement cybersecurity in the ISO 26262 standard. LHP's functional safety ecosystem fills this gap by understanding SAEJ3061 (Guide to Cybersecurity for Cyber-Physical Vehicle Systems) and ISO/SAE21434 Road Vehicles –Cyber ​​security technology.

(Video) Software Defined Vehicle WG Introduction - SDV Contribution Day - Sept 2022

test systems:

Download the case study.Automated test systems are a key part of standardization and highest security as system testing and validation is at the heart of design and development. LHP's automated test systems help you quickly test and validate Electronic Control Units (ECUs). This significantly speeds time to market and saves valuable design time. LHP offers a comprehensive range of test systems, from the design of customizable test systems and consulting to the delivery of a complete engine control system (ECS). They are a central part of the overall functional safety ecosystem.

Automotive Open System Architecture (AUTOSAR):

AUTOSAR is not a standard in itself, but a development partnership consisting of several automobile manufacturers and suppliers. The partnership was formed to create a standardized, open software architecture and standard development platform for software development used in electronic control units (ECUs) in modern vehicles. Vehicles are increasingly defined by their software. For example, over-the-air software updates can quickly and easily fix problems and remove or add vehicle features. This means that adherence to software architecture standards becomes even more important for vendors and developers.

Güntera Reicharta, urautosar.orgsaid a spokesman

“If the company does it themselves, it is a proprietary solution. When shared and used by multiple partners, it becomes a technology, and when widely deployed, it becomes state-of-the-art and facilitates certification.”

This is the case: AUTOSAR is now widespread. Because this standardization enables development to be accelerated, software testing to be automated, and software to be scaled to different platforms, it is important for functional safety.

While LHP offers standalone AUTOSAR training, AUTOSAR is truly at the heart of a company's functional safety efforts. Steve Neemeh, LHP's Chief Technology Officer, said, "AUTOSAR is actually a software platform and functional safety has specific standards for software platforms, so there is no AUTOSAR team - have a team developing a functional safety compliant AUTOSAR."(full video)"Obviously, the best way to achieve this is to train the LHP as part of the 6-point LHP ecosystem!"

Model Driven Development (MBD):

MBD must be seen as a necessity when developing functional safety processes for electric and autonomous vehicles. It is an invaluable tool for validating SDV designs. Model-based programming allows designers to simulate the conditions their system will later encounter. This gives them time to identify, manage, and fix issues before the design is made, allowing for faster code generation. Once prototypes are built, they are safer because the designs have already been validated through simulated testing. ANDa case study describing LHP's work with the customer's MBD structureYou will find here.

Standards and regulations

They not only bind designers and engineers to specific conditions and design considerations, but also provide consistent criteria for their organization's compliance with those requirements (e.g., functional safety). This act of maintaining a high standard of performance is a means of earning the trust of the public. LHP's training efforts and work packages not only help companies understand the core functional safety standard (ISO 26262), but also neighboring standards such as IATF 16949 and ASPICE (currently ISO/IEC 33001 and higher), and even entirely new standards such as ISO/PAS 21448. Developers and managers alike need to understand the importance of having a fluent understanding of these standards and the importance of keeping functional safety at the heart of the technical organization.

Application Lifecycle Management (ALM):

Modern cars and the cars of the years to come are defined by the software they leave the factory with and the software they receive throughout the life of the vehicle. With application lifecycle management, developers can manage and control applications from the first iteration to the end of the application life. The implementation of functional safety requires a defined process to ensure traceability. Well-executed ALM helps ensure that a company's customers receive the software that best meets their needs by helping to align the work of the development team with the end goals of the application. Seecase studyAn example of LHP's ability to ensure the security of your product and your organization's compliance with functional security requirements through LHP's Application Lifecycle Management training.

Why is safety at the heart of software-defined vehicles? (3)

(Video) EN | Bosch SWdV: What does Bosch offer in the context of software-defined vehicles?

Examples of LHP functional safety ecosystem solutions

A partner like LHP can lead the way in this fast moving industry for companies looking for advice. We offer knowledge that helps demystify ISO requirements and simplify the methodology to achieve compliance. Some examples of guidance available in the LHP functional safety ecosystem:

  • Find and fix previously undetected software bugs by implementing functional safety processes.
  • Identifying and assisting in eliminating gaps in software development that may be known but not fixed or not known at all.
  • Verification and Validation Testing: Helps organizations address functional security testing and documentation requirements.
  • Help develop internal processes and update device design considerations to comply with ISO 26262.

LHP ecosystem for functional safety, sum of six parts

We close with a thought from the LHP e-book:Implementation of functional safety:

“ISO 26262 contains a lot of information that sometimes makes it difficult to see the forest instead of countless trees. This can be a barrier to getting started with functional safety, especially for small businesses. But with a map and an escort, it's a lot easier to get around, speeding the process from years to months.”

LHPES can provide a map and we can guide your organization through the ISO 26262 process, guiding you through the maze of information and requirements from inception to certification so that your organization is prepared and well-equipped to take on its place in the software-defined future to take vehicles.

Interested in learning more about a software-defined vehicle for your business? Contact our team today!

Why is safety at the heart of software-defined vehicles? (4)

Why is safety at the heart of software-defined vehicles? (5)

scenarioSteve'a Neemeha

Steve joined LHP in 2015 to lead the expansion of the West Coast operations. He leads the team of strategy and solution architects and chairs a delivery consulting organization. Steve has over 25 years of functional safety experience before joining LHP. Steve launched many startups and brought them to full production. In particular, a complete group engaged in the development of electronics and software for the maintenance of commercial avionics and power electronics for military vehicles. At LHP, Steve pioneered the introduction of safety-critical applications in California and brought functional safety to autonomous driving and air mobility applications.

(Video) How software will define vehicles of the future for the automotive industry


What is the heart of motor vehicles? ›

The engine is the heart of your car. It is a complex machine built to convert heat from burning gas into the force that turns the road wheels.

What is SDV in vehicle? ›

The Software Defined Vehicle (SDV) refers to the ability to upgrade a car throughout its lifetime, through a centralized architecture, updating it and integrating new applications to enhance its functions.

Why is motor vehicle safety important? ›

In the United States, motor vehicle crashes are a leading cause of death, and kill over 100 people every day. However, motor vehicle crash injuries and deaths are preventable. There are proven strategies that can help prevent these injuries and deaths.

What is the definition of a software defined vehicle? ›

What Is a Software-Defined Vehicle? A Software-Defined Vehicle is any vehicle that manages its operations, adds functionality, and enables new features primarily or entirely through software. Software-Defined Vehicles are the next evolution of the automotive industry.

Why do you think engine is considered as the heart of the car? ›

The heart of your car is the engine, and it is essential to understand and maintain it to keep your vehicle running smoothly. An engine is a complex machine that converts fuel into energy, which powers the car's movement. There are two main types of engines: internal combustion engines and electric motors.

What is the most essential component of a vehicle the heart of every car? ›

Engine. It makes sense to start with the most important part under the hood of a vehicle, which is the engine. Most modern vehicles run on internal combustion engines, which generate energy by igniting a mixture of air and fuel that moves pistons, which in turn move the car.

What is SDV General Motors? ›

GM will participate in the Eclipse Foundation's Software Defined Vehicle (SDV) Working Group, which is focused on accelerating innovation of automotive-grade software stacks using open source and open specifications developed by and for a growing community of engineers and member companies.

What is software defined visibility? ›

Software-Defined Visibility is to a visibility infrastructure what Software- Defined Networking is to a network infrastructure. SDV combines the pervasive reach of visibility with an automation framework. In an SDN infrastructure, network switches and routers form the physical network or the Layer 2-3 data plane.

What is the meaning of SDV? ›

Source Data Verification (SDV) is a method that clinical research organizations (CROs) can use to ensure the data they're collecting is accurate. It involves comparing a study's source data against its final report, allowing for the identification of any errors before they become problematic or get published.

What is the most important safety factor in any vehicle? ›

#1 – Airbags.

Driver and passenger airbags typically will deploy if you get into an accident that involves the front of your vehicle.

What is the one most important safety feature of every vehicle? ›

While the seatbelt is arguably the single most important piece of safety equipment, enhanced features help seatbelts do their job more effectively. Seatbelt pretensioners instantly retract the belts to take up slack during a frontal impact.

What is the most important safety feature in a motor vehicle? ›

The most important safety features in your car can include essentials such as airbags and anti-lock brake systems, and newer features, such as blind-spot warning and automatic emergency braking.

What is software defined and defined as? ›

Software-defined is a hardware or service component that's improved or completely managed by software. With software-defined technology, activities traditionally done by hardware are carried out by software. The software operates independently from the hardware and can be updated by the provider.

What is the role of software as a vehicle for delivering a product? ›

As the vehicle used to deliver the product, software acts as the basis for the control of the computer (operating systems), the communication of information (networks), and the creation and control of other programs (software tools and environments). Software delivers the most important product of our time—information.

Why do cars have software? ›

Software controls performance, driving features and the experience of sitting in the vehicle. Safety features such as automatic braking, automatic lane-keeping and changing, adaptive cruise control and automatic parking are already available.

What is the difference between heart and engine? ›

We are talking about the car engine. The only difference between the human heart and car heart aka engine is, while the former pumps blood into various parts of the body to keep it going, the latter pumps fuel and air to keep the car running and in optimum shape.

What is the heart of IC engine? ›

The fuel system includes the fuel injection pump which is the heart of the machine, the lift pump, the injectors, and all the fuel pipes.

How is the heart and engine similar? ›

The engine, by comparison is much more like the human heart: it draws vital fluids into itself and uses them to create force and motion in all of the adjoining components of the car — the engine is the very thing that animates the vehicle, even if it is a slave to the whims of the driver.

What is the heart of an electric vehicle? ›

An electric vehicle sees in its beating heart, the battery, the central and breaking element with respect to the ICVs. The battery is also the most expensive and complex component of an EV.

What is the most vital part of a car? ›

What Are the Most Important Parts of a Car?
  • Battery: The battery is what makes the car go. ...
  • Brakes: Brakes are what make the car stop. ...
  • Pistons: Pistons handle all gasoline explosions in your engine, and they should pump smoothly and quickly.
  • Radiator: The radiator keeps the engine from overheating.
Feb 8, 2021

What is GM cash flow? ›

General Motors annual free cash flow for 2022 was $9.09B, a 21.69% increase from 2021. General Motors annual free cash flow for 2021 was $7.47B, a 21.67% decline from 2020.

What is General Motors ROI? ›

About Return on Equity (TTM)

General Motors Company's return on equity, or ROE, is 15.74% compared to the ROE of the Automotive - Domestic industry of -59.10%. While this shows that GM makes good use of its equity, this metric will vary significantly from industry to industry.

What is the CSR of General Motors? ›

We aspire to be the world's most inclusive company and are committed to helping create a clean, safe and equitable world for all. Our communities are faced with big challenges today. Our responsibility is not to sit idle, but instead, to respond to a world in need with positive, sustainable solutions.

What is an example of SDN? ›

Examples of how software-defined networking (SDN) is used in practice are network virtualization, SD-WAN (software-defined wide area network), switching fabrics, traffic engineering, and access networks.

What is the difference between SDN and SDV? ›

The SDN controller supports the control and management planes that in turn provide control of the virtual and physical networks. An SDV infrastructure is architecturally layered in a way that is similar to an SDN, but is optimized to provide intelligent visibility.

What should be your priorities when choosing your SDN solution? ›

The users must use a programming technique that is independent of the hardware of network devices. An end-to-end model incorporating data centers and all the existing devices. The system should have flexibility for open standards. A solution where there is no need to replace existing infrastructure.

What is SDV in cyber security? ›

And the way we do that is through SDV, or Software Defined Visibility. This allows us to deploy next-generation firewalls, intrusion prevention, web application firewalls, and other security devices while at the same time being able to understand exactly what type of data is flowing between all of these systems.

What does SDV mean in military? ›

The SEAL Delivery Vehicle (SDV) is a crewed submersible and a type of swimmer delivery vehicle used to deliver United States Navy SEALs and their equipment for special operations missions. It is also operated by the Royal Navy's Special Boat Service, which operates three SDVs.

What is SDV in tech? ›

Software-defined vehicles (SDV) offer significant safety and convenience features, enabling new in-vehicle experiences and functions through software and delivering updates and services over-the-air (OTA).

What are the two types of vehicle safety systems? ›

It is possible to distinguish two types of car safety features: crash avoidance systems and crash mitigation systems.

What is factor of safety vehicles? ›

The three main factors that affect vehicular safety are the driver, the vehicle and the environment.

What factors affect vehicle safety? ›

Here are six things to consider when looking at car safety.
  • Size Matters. The size of your vehicle plays a major role in safety. ...
  • Body Build. ...
  • Tire Pressure Monitoring Systems. ...
  • Airbag Safety. ...
  • Electronic Stability Control. ...
  • Crash Avoidance.
Sep 5, 2017

What is the most important safety feature on a car or saving lives? ›

Seat Belts Are Essential

A NHTSA study of lives saved by vehicle technologies found that, between 1960 and 2012, seat belts saved more lives—329,715, to be exact—than all other vehicle technologies combined, including air bags, energy-absorbing steering assemblies, and electronic stability control.

Which safety feature is most likely to prevent a crash? ›

Autonomous Braking: Some systems are able to break automatically for the driver, if a warning signal is missed. This can prevent a crash or at least lessen the impact. Experts agree- systems that combine forward-collision warning and auto-brake are the most effective.

What is true of the latest safety technology in newer vehicles? ›

Most New Cars Have Safety Technology That Prevents Crashes, Report Shows. More than 12 major automakers equipped nearly all their 2021 vehicles with automatic emergency braking (AEB), a technology that has been proven to reduce crashes and injuries by stopping or slowing a vehicle if a collision is imminent.

What safety feature is implemented to absorb the force of impact in vehicles during crashes? ›

Crumple zones add time to the crash by absorbing energy. Crumple zones allow the front of the vehicle to crush like an accordion, absorbing some of the impact of the collision and giving some off in the form of heat and sound.

Which features do OSHA standards require for motor vehicles? ›

All vehicles shall be equipped with an adequate audible warning device at the operator's station and in an operable condition. The vehicle is backed up only when an observer signals that it is safe to do so. All vehicles with cabs shall be equipped with windshields and powered wipers.

What is the body of a motor vehicle? ›

Motor Vehicle Body means that portion of the Motor Vehicle mounted on the chassis or frame or unibody, including fenders, bumpers, windshields, glass and similar components of motor vehicle bodies as distinguished from the chassis, seats, motor, transmission, air conditioning condenser, radiator and other accessories ...

What is the vital part of a car? ›

The Clutch

It allows you to switch gears, and when you push down on the pedal, it allows transmission to keep running when the car is in neutral. Without the clutch, the car would stall.

What is the main body of the engine called? ›

The camshaft or camshaft is the main body of the engine. Its main role is to regulate the timing of the opening and closing of valves, by pressing the end of the valve stem. Without it, it would be impossible to start the engine.

What are the three body sections of a vehicle describe? ›

Three-box design

These three boxes, compartmentalized as they are, are used to denote distinct areas of an automobile—specifically a sedan. The engine under the hood and surrounding compartment is the first box. The passenger seating area is another, or second box. The last or third box is the cargo or trunk area.

What does body of a vehicle mean? ›

Guidance: The FMCSRs do not include a definition of ''body. '' However, a truck or trailer body generally means the structure or fixture designed to contain, or support, the material or property to be transported on the vehicle.

What is the importance of the body of a car? ›

The car body comprises a number of parts whose primary task is to ensure the highest level of safety for the driver, passengers and other road users. These include shock-absorbing components and radiator grilles.

Is the crankshaft the heart of the engine? ›

The crankshaft is the heart of the engine. It is hollow forged from cast iron or steel. The hollow design of the crankshaft allows for oil to be pumped into its center and to exit from rotating journals located under every rod and main bearing.

What does the heart mean in a car? ›

Beta. The engine of a car is considered to be its "heart" as it is responsible for generating the power that propels the vehic. Continue reading.

Is the heart a piston? ›

Based on the aforementioned considerations, it has been suggested that the heart can be described as a displacement pump in which the AV plane behaves as a piston unit [11], [12], [13].

What are the 4 most important parts of a car? ›

Four (4) Most Important Automobile Components
  1. Chassis. ...
  2. Engine. ...
  3. Transmission System. ...
  4. The Body.
Dec 16, 2021

What is the most important component in the car? ›

Engine: It is one of the most important components of a vehicle, and the performance of the vehicle depends on it. It can be said that it is the heart of every vehicle. It is a complex machine built to convert heat from burning gas into the force that turns the road wheels.

What is the bottom half of an engine called? ›

The engine block - also known as a cylinder block - contains all of the major components that make up the bottom end of a motor. This is where the crankshaft spins, and the pistons move up and down in the cylinder bores, fired by the fuel combusting. On some engine designs, it also holds the camshaft.

What is the top of an engine called? ›

The upper part of the engine is called the cylinder head, while the lower part is the engine block. The cylinder head sits on the engine and closes off the combustion chamber. The gap that remains between the cylinder head and the engine is completed by the head gasket.


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