Proprioception System for Driving Simulators
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Solution Overview
Problem
Existing driving or piloting systems fail to effectively replicate the proprioceptive effects of acceleration, braking, and cornering, particularly in a compact and reliable manner.
Innovation Solution
A dynamic proprioception system comprising a first structure bearing a seat or cabin, a pivot link, a deformable isosceles trapezoid structure, and actuators for coordinated control of movement, allowing for compact and effective gravitational accelerations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If mechanical guide hoops are used to move the seat along curved trajectories, then proprioceptive effects during acceleration and cornering are improved, but the device complexity and spatial requirements increase
Solution Approach 1:
The system divides the seat movement control into three independent actuators: a first actuator for pitch rotation, a second actuator for roll rotation, and a third actuator for longitudinal translation. This segmentation allows each actuator to handle a specific degree of freedom, simplifying the overall mechanical structure compared to complex guide hoops while maintaining reliable proprioceptive effects during acceleration, braking, and cornering.
2Volume of moving object
If the seat structure is made compact, then the device footprint is reduced, but the ability to generate effective gravitational accelerations may be compromised
Solution Approach 1:
The system achieves effective gravitational accelerations in a compact volume by utilizing multiple rotational dimensions (pitch and roll) combined with longitudinal translation. The coordinated control of three actuators creates complex motion trajectories that generate strong proprioceptive effects without requiring a large spatial footprint, effectively using dimensional complexity to compensate for reduced physical size.
3Adaptability or versatility
If independent actuators are used to control seat movements, then reliability and adaptability are improved, but the device complexity increases
Solution Approach 1:
The three independent actuators serve multiple functions: the first actuator provides pitch rotation for acceleration/braking simulation, the second actuator provides roll rotation for cornering simulation, and the third actuator provides longitudinal translation. This multi-functionality allows the system to adapt to various driving scenarios (acceleration, braking, cornering) while keeping each actuator's design relatively simple and standardized.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The system provides immersive, adaptive, and connected driving experiences by effectively simulating gravitational accelerations, minimizing harmful head movements, and enhancing the realism of acceleration and braking sensations.
Implementation Method 1
providing particularly effective, reliable and compact gravitational accelerations using particular combinations of movements
Data Source
AI summary
A proprioception system comprising a first structure bearing a seat or cabin which is oriented in a front-to-rear direction, a pivot link pivoting about a horizontal axis between the first structure and a second structure, the second structure being deformable following the geometry of an isosceles trapezoid which is deformable between the pivot link and a base of the second structure, and a guide means for moving the base along a front-to-rear linear path over a support. A first actuator controls the pivoting of the first structure relative to the second structure, a second actuator controls the deformation of the second structure, and a third actuator controls the translation of the second structure relative to the support. Finally, it comprises means for coordinated control of the first, second and third actuators. The invention is applicable to vehicle driving or piloting simulators.