Autonomous Vehicle Manual Control Layout to Prevent Inadvertent Input
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Solution Overview
Problem
Autonomous vehicles lack intuitive and safe manual control interfaces, particularly in emergency situations, due to complex and potentially inadvertently manipulated devices like single joysticks with multiple buttons and levers.
Innovation Solution
An integrated control apparatus comprising a mobile control device for steering, speed change, acceleration, and braking, and a stationary display device for other functions, designed to be easily manipulated by a user when shifting from autonomous to manual driving mode, with distinct ergonomic designs and magnetic signal generation to prevent inadvertent operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a single joystick with multiple buttons and levers is provided for manual control, then the device can perform multiple functions (steering, acceleration, braking, speed change), but the device complexity increases and ease of operation deteriorates due to complicated arrangement and potential inadvertent manipulation
Solution Approach 1:
The control device is segmented into distinct functional components: a steering operation unit with a steering wheel for directional control, and a travel operation unit with separate buttons for acceleration and braking. This segmentation allows each component to have a dedicated function, reducing complexity and preventing inadvertent manipulation while maintaining multi-functionality.
2Adaptability or versatility
If multiple buttons and levers are disposed in a complicated fashion to achieve various control functions, then the adaptability improves, but the device complexity increases and ease of operation worsens
Solution Approach 1:
The steering function is extracted from the traditional joystick structure and implemented through a separate steering wheel component. This extraction simplifies the overall device structure by removing the need for complex lever arrangements while maintaining the ability to perform steering, acceleration, and braking functions through simpler, more intuitive controls.
3Device complexity
If a single integrated control device is used for all operations, then the device complexity is reduced, but the ease of operation deteriorates due to the risk of inadvertent manipulation
Solution Approach 1:
Different regions of the control device are assigned specific functions with distinct manipulation methods: the steering wheel requires rotational motion for steering control, while the acceleration and braking buttons require separate pressing actions. This local differentiation of control qualities prevents inadvertent manipulation by ensuring that each function requires a deliberate, distinct action, thereby improving reliability without increasing overall device complexity.
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
Enhances user convenience and safety by allowing easy and precise manual control of autonomous vehicles, reducing the risk of inadvertent manipulation through independent mobile and stationary devices with distinct manipulation methods.
Implementation Method 1
a PCB generating any one of a signal pertaining to steering, a signal pertaining to acceleration, a signal pertaining to braking or a signal pertaining to speed change based on variation in magnetic flux due to a change in the position of the permanent magnets
Data Source
AI summary
An integrated control apparatus for an autonomous vehicle includes a mobile control device 10, which is a portable device manipulated by a user, configured to perform steering, speed change, acceleration and braking of the vehicle, and a touch-type stationary display device 20 manipulated in a touch manner by the user and configured to perform functions other than the steering, the speed change, the acceleration and the braking of the vehicle when the vehicle is shifted from an autonomous driving mode to a manual driving mode. A steering dial switch and a speed change slide switch of the mobile control device are manipulated in a manner different from that in which an acceleration button switch and a braking button switch of the mobile control device are manipulated.