Vibration Control Apparatus for Haptic Feedback Consistency
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Solution Overview
Problem
Conventional vibration devices experience variations in vibration characteristics due to operating conditions, leading to inconsistent user experiences despite the same control signal.
Innovation Solution
A vibration control apparatus that acquires information on the operating conditions of the vibration device and adjusts vibration instructions accordingly, using sensors to collect data on temperature, holding state, and other factors to correct the vibration characteristics.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the same control signal is input to the vibration device, then the vibration device operates simply, but variations occur in vibration felt by the user depending on operating conditions
Solution Approach 1:
The system dynamically adjusts the control signal based on real-time operating conditions (temperature, holding state, acceleration) rather than using a fixed static signal. The vibration control section modifies vibration parameters such as amplitude and frequency according to detected conditions, enabling the system to adapt to varying operational environments and maintain consistent vibration characteristics.
Solution Approach 2:
The system incorporates feedback from sensors that detect operating conditions (temperature sensors, acceleration sensors, holding state detection) and uses this information to adjust the control signal. The vibration control section receives feedback about actual vibration characteristics and operating conditions, then modifies the control signal accordingly to compensate for variations and maintain consistent user perception.
2Reliability
If the vibration characteristic is adjusted according to operating conditions, then vibration consistency is improved, but device complexity increases
Solution Approach 1:
The system changes physical or operational parameters of the vibration device based on detected operating conditions. The vibration control section modifies parameters such as vibration amplitude, frequency, or duration according to temperature, holding state, or acceleration data, thereby adjusting the vibration characteristics to maintain consistency without requiring fundamental system redesign.
Solution Approach 2:
The vibration control section serves multiple functions: it processes control signals, detects operating conditions through various sensors, compensates for variations, and outputs adjusted control signals. This multi-functional approach consolidates complexity into a single control unit rather than distributing it across separate systems, making the overall device more manageable.
3Measurement precision
If sensors are added to detect operating conditions, then vibration control precision is improved, but device complexity increases
Solution Approach 1:
The vibration control section acts as an intermediary that processes information from multiple sensors and coordinates their data to generate appropriate control signals. Rather than directly connecting each sensor to the vibration mechanism, the control section mediates between sensor inputs and vibration outputs, simplifying the overall system architecture while maintaining precise control.
Solution Approach 2:
The system combines multiple sensor functions (temperature detection, acceleration detection, holding state detection) into a unified vibration control approach. The vibration control section integrates information from different sensors and applies combined insights to adjust vibration parameters, reducing the need for separate independent control systems for each sensor type.
Data Source
AI summary
This vibration control apparatus receives a vibration instruction for vibrating a vibration device and vibrates the vibration device according to contents in which contents of the received vibration instruction are corrected in accordance with information regarding an operating condition of the vibration device.