Cantilever Lift Angle Control via Vibration Decay Sampling
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing tail lift systems face challenges in accurately determining and maintaining the predetermined pivoting angle of the loading platform due to vibrations caused by the resilient nature of the platform, leading to incorrect swivel angles and manual correction requirements, especially when handling heavy loads.
Innovation Solution
A method that involves recording multiple measured values by a transducer to determine the exact pivoting position or angle, accounting for vibration decay, and storing this value for subsequent automatic control, allowing for precise adjustment without manual intervention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a single measured value is recorded by the sensor to determine the pivoting position, then the measurement process is simple and fast, but the measured value is falsified due to vibrations of the loading platform
Solution Approach 1:
The patent applies periodic action by recording multiple measured values at different time points instead of a single measurement. The control unit records a series of measured values from the sensor during the vibration decay period, allowing the system to capture the pivoting position accurately despite ongoing vibrations. This periodic sampling approach transforms a single falsified measurement into multiple valid data points for determination.
Solution Approach 2:
The patent implements preliminary action by initiating the measurement process while vibrations are still present but before they completely subside. The control unit starts recording measured values immediately after the loading platform is positioned, capturing the decay of vibrations over time. This allows the system to determine the pivoting position without waiting for complete vibration cessation, thus saving time while maintaining accuracy.
2Measurement precision
If multiple measured values are recorded to account for vibration decay, then the pivoting position can be determined accurately, but the measurement process becomes more complex and time-consuming
Solution Approach 1:
The patent applies self-service by utilizing the natural decay of vibrations without requiring active intervention or additional hardware. The control unit simply records multiple measured values as vibrations naturally subside, and the system itself processes this data to determine the pivoting position. This approach avoids the need for complex vibration damping mechanisms or additional sensors, achieving accurate measurement through the system's own measurement capabilities.
Solution Approach 2:
The patent implements feedback by using the series of recorded measured values to determine the pivoting position. The control unit analyzes the sequence of measurements taken during vibration decay, using this feedback information to accurately identify the final pivoting position. This feedback mechanism allows the system to compensate for vibrations automatically through data analysis rather than mechanical intervention.
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
This method enables accurate determination and storage of the pivoting angle, eliminating inaccuracies caused by vibrations and ensuring precise automatic control of the loading platform, reducing the need for manual corrections and improving operational efficiency.
Implementation Method 1
a number of measured values, determined one after the other by a measuring transducer, are used to determine a position or an angle
Implementation Method 2
movements of the loading platform cause the respective measuring transducer to oscillate, which only decays relatively slowly
Data Source
AI summary
The method of controlling a hub loading platform having a loading platform (12) and a hoist (13) for tilting, lowering and/or lifting the loading platform, comprises determining a swivel position of the loading platform, automatically starting the swivel position before raising the loading platform, determining the swivel position of an unloaded loading platform, determining the swivel position before lowering the loading platform, when the loading platform is lowered, and determining the swivel position after lowering the loading platform. The method of controlling a hub loading platform having a loading platform (12) and a hoist (13) for tilting, lowering and/or lifting the loading platform, comprises determining a swivel position of the loading platform, automatically starting the swivel position before raising the loading platform, determining the swivel position of an unloaded loading platform, determining the swivel position before lowering the loading platform, when the loading platform is lowered, determining the swivel position after lowering the loading platform, when the unloaded loading platform is lowered, determining the swivel position at the loading platform lowered on a bottom, when the loading platform is lowered within a certain time period after reaching the swivel position, determining the swivel position stored in a controller, when a rescission of a ground level of the loading platform is automatically started by the controller before raising the loading platform, determining a pivot angle as the swivel position of the loading platform manually pivoted into a loadable position of sensor delivering an angle signal or an angle proportional signal, determining the position of the loading platform after measured values successively determined by a measuring transducer for determining the certain position of the loading platform, and determining the successively temporal measured values, when the loading platform is pivoted neither raised or lowered at the stationary loading platform. An angle sensor is used as the measuring transducer, where the angle sensor determines angle values in the certain manually approached pivot angle of the loading platform in succession of the unloaded loading platform. Angle values determined from the angle sensor during the unloaded loading platform is determined by an average formation, interpolation or iteration of the manually approached pivot angle of the loading platform.