Armrest Control Elements for Utility Vehicle Function Assignment
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Solution Overview
Problem
The existing armrest systems in utility vehicles have a multitude of control elements that can be confusing and distracting for passengers, making it difficult to find and adjust desired functions without diverting attention from driving.
Innovation Solution
An armrest device with a combination of first control elements on the upper surface and at least one second control element on the side surface, allowing vehicle functions to be assigned and adjusted using a single hand, with haptic differentiation and adjustable positions to prevent unintentional actuation and enhance comfort.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple separate control elements are arranged around the passenger compartment for each vehicle function, then each function can be controlled independently, but the arrangement becomes confusing and distracting for the driver
Solution Approach 1:
Multiple control elements for different vehicle functions (seat heating, mirror adjustment, lumbar support) are merged into a single control unit located on the armrest. This consolidation reduces the number of separate controls scattered around the passenger compartment, making the system less confusing while maintaining full functionality for each vehicle adjustment.
Solution Approach 2:
The control unit on the armrest is designed as a universal interface that can control multiple different vehicle functions. By integrating various control capabilities into one location, the system allows the driver to access and adjust different functions from a single point, reducing distraction while preserving adaptability.
2Ease of operation
If control elements are placed within easy reach of the passenger, then accessibility is improved, but the driver may be distracted from the road
Solution Approach 1:
The control elements are positioned on the armrest in a location that is naturally within the driver's reach without requiring deliberate movement or visual search. This preliminary positioning allows the driver to operate controls instinctively without taking attention away from the road, as the controls are already in the optimal position for operation.
3Ease of operation
If control elements are arranged on the armrest for easy access, then one-handed operation is possible, but unintentional actuation may occur
Solution Approach 1:
Different regions of the control unit have different functions and actuation requirements. The control elements are designed with distinct local characteristics - some require deliberate pressing, others may use sliding or rotating motions. This differentiation in local quality allows for easy one-handed operation while reducing the risk of unintentional activation, as each control has a specific interaction pattern that is unlikely to occur accidentally.
Data Source
AI summary
Armrest device for utility vehicle seats, wherein the armrest device has a plurality of first control elements and at least one second control element, wherein by means of selecting and actuating one of the first control elements which is arranged on an upper surface of the armrest device, seen in a height direction, a vehicle function can be assigned to the selected first control element and by means of actuating the second control element, which is arranged on a side surface of the armrest device and is connected at least by means of a signal to the selected first control element, the vehicle function is adjustable.