Forklift Operator Platform Active Vibration Damping
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Solution Overview
Problem
Existing industrial truck driver's platforms experience high levels of stress from vibrations due to passive springing and damping, which fail to effectively minimize operator discomfort during operation.
Innovation Solution
The driver's platform is actively connected to an actuator controlled by an electronic device that adjusts based on detected truck vibrations and the operator's mass, allowing for real-time counteracting movements to minimize vibrations, thereby providing active damping and improved comfort.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If passive springing and damping devices are used for the driver's platform, then the platform can be supported with simple mechanical structures, but the operator experiences high levels of stress from vibrations during operation
Solution Approach 1:
The patent replaces the passive mechanical spring-damper system with an active electromechanical system consisting of sensors, actuators, and a control unit. The control unit processes vibration signals and commands actuators to generate counteracting forces, substituting simple mechanical elements with an intelligent control system that actively minimizes vibrations affecting the operator.
Solution Approach 2:
The patent implements a closed-loop feedback system where sensors detect vibrations of the driver's platform, the control unit processes this information, and actuators apply counteracting forces based on the detected vibration characteristics. This feedback mechanism enables real-time adjustment to minimize vibration transmission to the operator.
2Object-affected harmful factors
If active damping systems are implemented to reduce vibrations, then operator comfort is improved, but the device complexity increases due to additional actuators and control electronics
Solution Approach 1:
The patent changes the operational parameters of the driver's platform system by introducing controllable actuators that can dynamically adjust suspension characteristics. The control unit modifies system parameters in real-time based on vibration detection, enabling adaptive damping that optimizes comfort while managing system complexity through intelligent control rather than purely mechanical complexity.
Data Source
Figure 1
Figure 2~3
AI summary
The invention relates to a forklift truck (1) with a driver platform (10) for an operator. The driver platform (10) is movably connected to the forklift truck (1) via at least one actuator (11). An electronic control unit (15) is operatively connected to the actuator (11) on its output side for controlling the actuator. The electronic control unit (15) is designed such that the actuator (11) is controlled based on detected vibrations of the forklift truck (1) and based on the mass of an operator on the driver platform (10) in such a way as to minimize vibrations of the driver platform (10).