Sensor-Guided Fishing Reel Control for Backlash Prevention
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Solution Overview
Problem
Users face difficulties in achieving accurate casting postures with fishing reels, leading to issues such as line backlash, tangling, and potential damage due to incorrect techniques.
Innovation Solution
An intelligent fishing reel equipped with sensors and a computing device that estimates the user's casting posture and adjusts its operation, including braking modes or generating alarms, based on the estimated posture to improve technique.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the user employs traditional fishing reel operation without posture monitoring, then the device complexity remains low, but the reliability of casting operation deteriorates due to inaccurate posture leading to line backlash and tangling
Solution Approach 1:
The fishing reel system performs self-diagnosis and self-correction by automatically detecting casting posture through sensors and adjusting braking force without user intervention. The computing device continuously monitors sensor data, estimates posture, and modulates brake force to prevent line backlash and tangling, enabling the system to serve itself in maintaining reliable operation.
Solution Approach 2:
The patent replaces manual mechanical control with an automated sensing and control system. Instead of relying on the user's mechanical skill to maintain proper casting posture, the system uses sensors (accelerometers, gyroscopes) to detect motion patterns and a computing device to process this data and control the electromagnetic brake, substituting mechanical expertise with electronic sensing and control.
2Ease of operation
If the fishing reel implements automated posture estimation and control, then the ease of operation improves by preventing casting errors, but the device complexity increases due to additional sensors and computing components
Solution Approach 1:
The system implements continuous feedback by monitoring casting motion through sensors, comparing detected posture against proper casting patterns, and automatically adjusting brake force in real-time. The computing device processes sensor data to estimate posture and sends control signals to the brake mechanism, creating a closed-loop feedback system that maintains proper casting technique without user awareness or effort.
Solution Approach 2:
The computing device acts as an intermediary between the sensors and the brake mechanism. It receives raw sensor data, processes this information to estimate casting posture, and translates this estimation into appropriate brake control commands. This intermediary layer simplifies the overall system architecture by centralizing the control logic and decoupling the sensing and actuation components.
3Measurement precision
If the fishing reel uses sensors and computing device for posture estimation, then the measurement precision of casting posture improves, but the loss of energy increases due to continuous sensing and processing
Solution Approach 1:
The system employs periodic sampling of sensor data rather than continuous monitoring. The computing device processes sensor inputs at discrete intervals during the casting motion, estimating posture at key moments in the casting cycle. This periodic approach maintains adequate measurement precision for detecting critical posture deviations while reducing the computational load and energy consumption compared to continuous processing.
Data Source
AI summary
A fishing reel is provided. The fishing reel includes one or more sensors that can obtain data of the fishing reel in a first movement. The fishing reel also includes a computing device. The computing device can estimate a casting posture of a user of the fishing reel from a plurality of casting postures, based on the data of the fishing reel and a model classifying the plurality of casting postures. The casting posture corresponds to the first movement. The computing device can control an operation of the fishing reel based on the casting posture of the user, and transmit data of the casting posture to a separate device.