Dual Controller Vibration Feedback for Motion State Recognition
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Solution Overview
Problem
Conventional information processing systems fail to allow users to perceive the motion of virtual objects through vibrations, only enabling the perception of object location.
Innovation Solution
An information processing system comprising a first and second vibrator, a vibration signal generator, and an operation object controller, where the vibration signal generator adjusts vibration strengths based on the state of the operation object, allowing users to feel the motion through synchronized vibrations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If the proportion of vibration strength between first and second vibrators is changed to indicate object location, then the user can identify the location of virtual objects, but the user cannot perceive the motion state of operation objects
Solution Approach 1:
The vibration information is segmented into two distinct dimensions: location information conveyed through the proportion of vibration strength between first and second vibrators, and motion state information conveyed through the absolute vibration strength level. This segmentation allows both location and motion state to be transmitted simultaneously through different aspects of the vibration signal.
Solution Approach 2:
The system utilizes changes in vibration strength parameters to encode motion state information. When the operation object accelerates, decelerates, or changes direction, the absolute vibration strength changes accordingly, providing motion feedback while the relative proportion between vibrators maintains location information.
2Measurement precision
If vibration signals are generated based on positional relationship between virtual vibration source and operation object, then the user can recognize the location of vibration source, but additional motion state information is not provided
Solution Approach 1:
The vibration signal generation system dynamically adjusts vibration strength based on both positional relationship (for location information) and motion state of the operation object (for motion information). The system transitions from static position-based vibration to dynamic motion-aware vibration, where vibration characteristics change in response to operation object acceleration, deceleration, and directional changes.
Solution Approach 2:
The system incorporates feedback from the operation object's motion state into the vibration signal generation. The absolute vibration strength serves as feedback indicating motion state, while the relative proportion provides location feedback, creating a comprehensive feedback loop that informs the user of both position and motion characteristics.
Data Source
AI summary
Provided is an example system in which a player character provided in a virtual space is caused to perform a motion including a first state and a second state, by a user operating a left controller and a right controller. When the player character is in the first state, the left controller vibrates more strongly than the right controller. When the player character is in the second state, the right controller vibrates more strongly than the left controller.