Development of a Seamless Selectively Elevated Fabric Switch for Intuitive and Sustainable Automotive Interior Interfaces Tata Motors Passenger Vehicles ,Ltd.

Format:

Book

Conference/Event

Author/Creator:

Mohunta, Sanjay, author.

Contributor:

Panchal, Girish

Puthran, Shaunak

Conference Name:

Symposium on International Automotive Technology (2026) (2026-01-28 : Pune, India)

Language:

English

Physical Description:

1 online resource cm

Place of Publication:

Warrendale, PA SAE International 2026

Summary:

This technology solves a long-standing ergonomic and aesthetic problem in automotive and consumer interface design, as the use of mechanical switches disrupts the clean look of modern interiors and tends to attract dust and wear. Currently available technologies, such as capacitive touch buttons and mechanical push switches, do not provide the corresponding tactile feedback or clear indication of touch, and usually contain visible openings that interrupt the design flow. Moreover, traditional switches are made up of multiple built-in components, which results in complicated construction and difficult maintenance.To address these drawbacks, we propose a Seamlessly Integrated, Selectively Elevated Fabric Switch that remains flush with the surface when not in use and automatically rises to form a tactile interface when required. The system is a multi-layer construction consisting of an outer fabric upholstery layer, a tactile actuation membrane, and a smart electromagnetic actuator layer. Permanent magnets and electromagnets are used in combination in the system so that they repel the switch surface upward when necessary.The actuation sequence is triggered through proximity sensing or capacitive detection mechanisms, thus eliminating the necessity for responsive and user-friendly interfaces without sacrificing mechanical functionality. To ensure safe and deliberate interaction, the switch is designed not to be eligible for activation until the total thickness of the fabric and tactile layers reaches a predetermined threshold. The system is appropriate for smart appliances, next-generation user interface systems, and car interiors because it is not only conceptually elegant, which improves aesthetic integration, but it is also robust, dustproof, and easy to use. This invention sets a new standard for intelligent, adaptive user interfaces and supports upcoming advancements like haptic feedback and programmable elevation zones

Notes:

Vendor supplied data

Publisher Number:

2026-26-0596

Access Restriction:

Restricted for use by site license