The Human-Machine Interface solutions are the key to ensure that the advanced automotive technologies are interfaced with the user in simple and intuitive ways that enables them to operate these technologies with ease. HMI technologies are aiming to provide a user-centric holistic Human-Machine Interface to the consumer. The Future Automotive Industry Structure - FAST 2030 report, HMI is one of the seven trends that will reshape the automotive industry by 2030.

Some HMI technologies would feature prominently in the near future are:

Head-Up Display (HUD)

The head-up display was created to reduce driver distraction and to increase safety. To read the driving information from the instrument cluster, one has to take their eyes off the road for at least half a second. This means that when the driver keeps a speed of 120 km/h, they will be driving blind for about 33 meters. A head-up display (HUD) shows information exactly where the driver needs it – directly in the line of sight. With the Head-up display, the driver gets all relevant driving information such as speed, warnings, navigation guidance over the hood. With Augmented-Reality Head-up displays in addition to regular driving information, it also supplements the exterior view of the traffic conditions in front of the vehicle with virtual information for the driver.

For Continental, the HUD represents a key technology and ensures safety and comfort at all times. With this technology, we provide driver confidence in automated driving.

Natural 3D Lightfield Display

The natural 3D Lightfield display is creating a new dimension of comfort and safety. It provides a natural 3D user experience of the highest quality in the vehicle. 3D displays have benefits like the accuracy of object position, joy of use by providing attractiveness and user experience, reduced reaction time on unexpected events. Hence features like navigation, cruise control, parking, warnings in 3D make driving comfortable and intuitive. With the Lightfield technology, there is neither the need for cameras detecting head movement nor 3D glasses. As there is no need for head tracking, the 3D display is not limited to the driver’s view, and the front passenger and the occupants in the rear seat can also enjoy the three-dimensional experience. This opens the door for entertainment features in 3D like video conferencing, movies, online shopping, and much more.

Continental’s new 3D Lightfield application using Leia’s DLB (Diffractive Lightfield Backlighting) technology offers the next level above conventional 3D displays. It enables a crystal-clear screen, even when sunlight is shining directly onto it.

Cross-Domain Hub

Cross-Domain Hub is a crucial step towards the transformation of modern vehicle architecture that demands the consolidation of electronic control units (ECU). Cross-Domain Hub is a high-performance computer that integrates all the displays into a single unit and provides a holistic Human-Machine Interface. The driver can dynamically distribute content across multiple displays and place the information where they need to see it. The displays are enabled with touch, gesture recognition, voice recognition, and haptic feedback that allows the driver to stay focused on the road and makes driving safe. It provides a flexible user interface personalized for the user. The user interface is seamless across the integrated display, providing a consistent Human-Machine interface philosophy.

Continental provides a scalable solution to cater to the premium segment to entry Cross-Domain Hub. Our first Cross-Domain Hub has hit series production now.

Ac2ated Sound

A recent innovation that was showcased at CES 2020, this unique system fills the vehicle interior with lifelike immersive sound. It provides a breathtaking 3D sound reproduction, engaging passengers in an excellently detailed and evocative soundtrack, which helps them enjoy their in-car entertainment to the fullest. This system produces the highest audio quality, which is ideally suited for electric vehicles as well, saving space and weight. This system is inspired by the classical string instruments technology, where the wooden body is used to resonate chamber and actuators excite specific surfaces in the vehicle interior. This results in an extremely natural experience for the user.

Continental’s innovative concept abandons conventional speaker technology altogether. Combined with Sennheiser’s AMBEO Mobility, the concept achieves a breathtaking 3D sound reproduction that envelops passengers in an incredibly detailed and vivid soundscape and lets them enjoy their in-car entertainment to the fullest.

Smart Voice Assistant

Smart Voice Assistant helps in natural and safe communication with the vehicle. A few years back, people could hear the radio or their family with them while driving a car, but now cars itself is becoming a smart communication partner. Driver assistance and infotainment are supplying more and more information to the driver, so there is a need for solutions that ensure intuitive, easy, and safe interaction between the driver and the car. This HMI technology uses the most natural means of communication: the spoken word. The system is capable of communicating almost like a human. Smart and adaptive driver assistance system enables natural dialog, understands multiple questions in one sentence, and detects logical connections, and provides distraction-free operation via smart voice control enhances road safety.

Continental’s Smart Voice Assistant is an intelligent speech assistant that can learn and adapt to user behavior, preferences, and context. By that, it helps drivers to interact with the vehicle in a less distracting way, pushing the user experience to the next level.

Conclusion

The HMI revolution in vehicles was started by replacing buttons with dashboard screens. Then voice commands were incorporated, and vehicles began talking to their drivers. However, the human-machine interface goes beyond the screens. Though the industry is still years away from fully autonomous vehicles as autonomy increases, the importance of driver’s attention will decrease, and manufacturers have to shift their focus on enabling communication between the owner, the passengers, and the vehicle. Automotive technology companies have started working on this aspect and are developing solutions for a comfortable journey for everyone in the car and not only the driver. Automated vehicles are the future of driving, and HMI is here to enable it. (MT)

NB: Rosemary Joshy is the Head of Engineering, Human Machine Interface business unit, Continental Automotive India. Views expressed are personal.

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Tier 1 automotive supplier Marelli has received the ‘Commendable’ honour in the ‘Engineering Product of the Year’ category at the Digital Engineering Awards 2026. The ceremony, hosted by L&T Technology Services in association with ISG and CNBC-TV18, was held in Boston, USA, on 12 March 2026.

The award recognises the role of Marelli’s Zone Control Unit (ZCU) in the transition towards software-defined vehicles.

The ZCU is designed to replace traditional domain-based architectures with a platform that delivers cross-domain control through a single Electronic Control Unit (ECU). This system simplifies vehicle electrical and electronic (E/E) layouts and enables communication across vehicle zones. By reducing the number of dedicated ECUs and streamlining wiring, the ZCU reduces wiring harness weight by 30 per cent compared to existing systems.

It is built on the EliteZone platform and supports ethernet capabilities, hardware accelerators, and remote-control protocols. It features processing performance up to 6 KDMIPS, two-port Gigabit Ethernet, and more than 20 CAN and LIN interfaces. The unit also includes an integrated hypervisor and data routing engine, supporting functional safety up to ASIL D standards.

For power management, the ZCU accommodates 48V system requirements with dedicated power input and efuse-protected output. The hardware uses a service-oriented architecture (SOA), which decouples software development from hardware. This approach allows modules to subscribe to services exposed by the ECU, supporting feature updates throughout the vehicle lifecycle and shortening development cycles for manufacturers.

Ravi Tallapragada, President, Marelli’s Electronics business, stated, “This recognition for our Zone Control Unit makes me and all of us at Marelli truly proud. It reflects the impact of our work on supporting the industry’s transition toward software-defined vehicles. By bringing cross-domain control into a single, scalable platform, our ZCU enables vehicle makers to innovate at speed. I want to congratulate our global engineering teams, whose dedication and expertise made this achievement possible.”

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drivebuddyAI has been awarded a patent for a facial recognition system designed for vehicle environments. The technology identifies drivers in moving vehicles to monitor duty hours and manage fatigue.

The system uses computer vision and artificial intelligence to recognise faces under varying lighting conditions and when drivers wear accessories such as caps or mufflers. This replaces manual or key-based identification methods to track driving time for wage calculations and safety compliance.

The patented technology is integrated into several areas of the company's product suite:

• Driver Profiling: Used in the 'CARDs' scoring method.
• Alert Systems: Provision of language-specific alerts based on driver identification.
• Performance Monitoring: Real-time tracking of duty time and driver behaviour.
• Compliance: Alignment with Indian government discussions on enforcing rest periods for commercial vehicle operators.

The company holds 15 patents in AI vision, edge processing, and risk assessment. Its systems meet India's AIS-184 driver monitoring standards and the European Union's General Safety Regulation (GSR) 2144.

Nisarg Pandya, CEO, drivebuddyAI, said, “Driver fatigue remains one of the most critical yet under-addressed causes of highway accidents. Our patented technology ensures that fleets know exactly who is driving, for how long, and under what conditions. This creates a foundation for enforcing safe driving limits while also enabling continuous learning and improvement for drivers. This milestone reflects our commitment to delivering technology built from the ground up and leveraging AI to enable safer and smarter driving solutions.”

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Servotech Renewable Power System and Electra EV have been granted a patent by the Indian Patent Office for an ‘Electric Vehicle Charging Device’. The technology is designed to provide charging solutions for low-voltage electric vehicles (EVs).

The device addresses interoperability challenges by enabling fast DC charging for low-voltage EVs with sub-200V DC platforms. This includes vehicles based on GB/T Bharat DC 001 standards. The technology allows these vehicles to utilise widely deployed, conventional high-voltage CCS2 charging infrastructure.

The patented device incorporates power management and voltage conversion systems to facilitate energy transfer to low-voltage battery platforms. The primary focus of the technology is on vehicle segments such as small commercial EVs and pick-up vans, which are used for urban and last-mile mobility.

Key features of the technology include:

• Interoperability: Enables sub-200V DC platforms to use CCS2 fast-charging stations.
• Compatibility: Supports vehicles adhering to GB/T Bharat DC 001 standards.
• Energy Management: Advanced voltage conversion to ensure safe battery charging.
• Safety: Integrated protocols for stable energy transfer.

The joint ownership of the patent by Servotech and Electra EV is intended to accelerate the development of charging infrastructure for small commercial fleets. The demand for such flexible solutions has increased as adoption of low-voltage EVs grows within the Indian logistics and transport sectors.

Arun Handa, CTO, Servotech Renewable Power System, said, “Securing this patent is an important step in strengthening our innovation-led approach to EV charging technology. Low-voltage electric vehicles are a key part of India’s mobility ecosystem, particularly in segments like small commercial fleets. This patented device has been designed to ensure safe, efficient, and reliable charging for such vehicles, helping make EV adoption through improved charging compatibility.”

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NXP Semiconductors has launched the NXP CoreRide Z248, a zonal reference system combining 48V energy distribution with data routing. The hardware-software foundation is designed to assist OEMs and Tier 1 suppliers in transitioning to software-defined vehicle (SDV) architectures by reducing integration effort and development cycles.

The Z248 is built on NXP’s S32K5 microcontroller series, featuring on-chip Magnetic Random Access Memory (MRAM). This technology is intended to accelerate electronic control unit (ECU) programming during manufacturing and over-the-air (OTA) updates.

The system integrates several 48V-capable components and networking tools:

• Power Management: Includes eFuses, Power Management Integrated Circuits (PMICs), and DC-DC converters for energy conversion and protection.
• Networking: Features Ethernet PHY and CAN transceivers for data handling.
• Software Stack: A pre-validated stack managing smart data energy network (SDEN) functions such as impedance monitoring and diagnostics.
• Safety: Built-in functional safety and real-time responsiveness for zonal processing.

NXP stated it has validated the Z248 through system-level tests focusing on low-power modes and wake-up response times. The package includes a Board Support Package (BSP) with integrated software from partners including GLIWA for performance monitoring, Green Hills Software for compilers and Vector for embedded tools.

The reference system is designed for deployment across internal combustion engine (ICE), hybrid, and battery electric vehicle (BEV) platforms. It supports ECU consolidation by managing energy distribution and data protocols within a single architecture.

Sebastien Clamagirand, SVP and General Manager, Automotive Systems & Platforms, NXP Semiconductors, said, “The NXP CoreRide zonal reference system Z248 delivers a performance-optimized, scalable 48 V foundation that intelligently fuses power, data and software, while dramatically simplifying system integration, reducing time to market, and enabling OEMs to focus on vehicle differentiation and long‑term value creation.”

Peter Gliwa, CEO and Founder, GLIWA, added, “NXP understood that the eco-system, the tooling around a new platform is essential for its success. With our Analysis Suite T1 built into the NXP CoreRide Z248 zonal reference system, high efficiency, proper timing analysis and timing verification are very well addressed.”

Jochen Rein, SVP Business Unit Software Platform, Vector, stated, “The combination of the NXP CoreRide platform and Vector’s software foundation provides a robust basis for next‑generation zonal architectures. We enable our joint customers to reduce their time- to-market due to a pre-integrated and highly optimized software stack.”

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