Arnold NextG Blogspot: Drive-by-Wire– The New Control Logic in Vehicles
How NX NextMotion Enables Fully Electronic Actuation of Safety-Critical Functions. From Mechanics to Electronics– A Paradigm Shift
(PresseBox) - Automotive engineering is undergoing one of its greatest transformations: with Drive-by-Wire, safety-critical driving functions are controlled entirely through electrical signals. Mechanical components such as steering shafts, brake boosters, or throttle cables are replaced by control units, sensors, and actuators. The result: full control on a digital level – more precise, faster, and more flexible than ever before.
For 139 years, the mechanical steering column has been the core of vehicle control – first introduced in the Benz Patent-Motorwagen of 1886, refined over generations, but fundamentally unchanged: a rigid, mechanical link between steering wheel and axle. With Drive-by-Wire, this historic component disappears. Instead of gears, joints, and hydraulic fluid, electrical signals, redundant ECUs, and actuators now govern vehicle control. This marks more than a technical detail – it represents a break with 139 years of convention and the dawn of a fully digital vehicle generation.
Practical Application: NX NextMotion
Arnold NextG has developed NX NextMotion, a platform that integrates Steer-, Brake-, and Throttle-by-Wire into one fail-operational system architecture.
Steer-by-Wire
Redundant actuators controlled by safety-certified ECUs. No mechanical steering column required. Safety ensured through 2oo3 sensor validation, real-time monitoring, and fallback levels.
Brake-by-Wire
Direct electrical signals drive electro-hydraulic or all-electric brake actuators. TÜV-certified, ASIL-D validated, designed with multi-circuit architecture for fail-operational behavior.
Throttle-by-Wire
The accelerator pedal functions as a sensor. The engine control unit receives inputs via ASIL-compliant signal paths with diagnostic functions and watchdog mechanisms.
Rethinking Human-Machine Interaction
Drive-by-Wire not only transforms the technical architecture but also the driver’s experience.
Classical force-feedback steering wheel, joystick, or assistive controls – all options are supported.
Barrier-free interfaces enable new mobility solutions for people with physical impairments.
Force feedback provides realistic driving feel – even without a mechanical linkage, with customizable steering angles.
The “Direct Line” – What It Really Means
NX NextMotion connects control units directly to actuators. No servo pump, no gear set, no hydraulic line. Instead: high-speed communication via Automotive Ethernet, SAFE-CAN, and validated interfaces. This ensures real-time precision in signal transmission, safeguarded by multi-layer redundancy.
Why Drive-by-Wire Is the Future
Design flexibility: no restrictions from steering shafts or hydraulic lines
Redundant safety: fault isolation and automatic ECU switchover
OTA-capable: remote deployment of software updates and security patches
Autonomy-ready: fundamental enabler for autonomous and teleoperated driving
User-centric: supports individual control needs and enables barrier-free mobility
Conclusion
NX NextMotion is not a prototype – it is a TÜV-certified, production-ready system, fully validated for integration today. While conventional approaches still rely on mechanical redundancy, Arnold NextG offers a fully digital, fail-operational architecture – forming the backbone of the next generation of autonomous and teleoperated vehicles.
We control what moves.
Arnold NextG realizes the safety-by-wire® technology of tomorrow: The multi-redundant central control unit NX NextMotion enables a fail-safe and individual implementation, independent of the vehicle platform and unique worldwide. The system can be used to safely implement autonomous vehicle concepts in accordance with the latest hardware, software and safety standards, as well as remote control, teleoperation or platooning solutions. As an independent pre-developer, incubator and system supplier, Arnold NextG takes care of planning and implementation - from vision to road approval. With the road approval of NX NextMotion, we are setting the global drive-by-wire standard. www.arnoldnextg.com
Unternehmensinformation / Kurzprofil:
Arnold NextG realizes the safety-by-wire® technology of tomorrow: The multi-redundant central control unit NX NextMotion enables a fail-safe and individual implementation, independent of the vehicle platform and unique worldwide. The system can be used to safely implement autonomous vehicle concepts in accordance with the latest hardware, software and safety standards, as well as remote control, teleoperation or platooning solutions. As an independent pre-developer, incubator and system supplier, Arnold NextG takes care of planning and implementation - from vision to road approval. With the road approval of NX NextMotion, we are setting the global drive-by-wire standard. www.arnoldnextg.com
Datum: 02.09.2025 - 15:42 Uhr
Sprache: Deutsch
News-ID 726158
Anzahl Zeichen: 4548
contact information:
Contact person: Mathias Koch
Town:
Pfronstetten-Aichelau
Kategorie:
Pharmaceuticals & Biotech
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