Lift Device Visual Command Recognition for Implement Control
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Solution Overview
Problem
Existing lift devices for vehicles and work machines lack efficient and flexible systems for controlling and integrating various implement assemblies, leading to resource inefficiencies and limited adaptability for different tasks.
Innovation Solution
A lift device with a base assembly, lift assembly, and implement assembly, equipped with sensors and controllers that facilitate the detection and execution of commands based on visual indicators, allowing for interchangeable implement assemblies and streamlined control through a unified interface.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a lift device uses multiple separate control systems for different implement assemblies, then each implement can be controlled independently, but the system complexity increases and resource duplication occurs
Solution Approach 1:
The patent implements a universal controller that can manage multiple different implement assemblies (lift forks, rotators, breakers, etc.) through a single unified control interface. This multi-functional controller eliminates the need for separate control systems for each implement type, reducing system complexity while maintaining adaptability across different attachments.
Solution Approach 2:
The patent combines multiple control functions into a single controller unit that integrates command processing, sensor data reception, and implement control. By merging these previously separate functions into one unified system, the patent reduces resource duplication and simplifies the overall control architecture while maintaining the ability to control diverse implement assemblies.
2Loss of information
If visual indicators are used to communicate commands to work devices, then command clarity is improved, but the system requires additional sensors and processing
Solution Approach 1:
The patent replaces traditional mechanical or manual command transmission methods with an optical communication system using visual indicators (LEDs, display elements) that can convey multiple commands simultaneously. This substitution enables clearer and more information-rich command communication while the controller automatically processes the visual signals, managing the added sensor and processing requirements through automated interpretation.
Solution Approach 2:
The patent introduces a controller as an intermediary that translates visual indicator signals into actionable commands for the implement assemblies. This intermediary component bridges the gap between the visual communication system and the mechanical execution systems, managing the complexity of sensor data processing and command interpretation centrally rather than requiring direct complex interactions between multiple components.
3Adaptability or versatility
If interchangeable implement assemblies are used, then task versatility is enhanced, but integration and control become more difficult
Solution Approach 1:
The patent employs a universal controller and standardized interface system that can accommodate multiple types of implement assemblies (lift forks, rotators, breakers, augers, etc.). This universal system automatically recognizes and adapts to different implement types, maintaining ease of operation and integration while enabling enhanced task versatility through the ability to interchange different attachments.
Solution Approach 2:
The patent implements a dynamic control system that can adapt its operation based on the specific implement assembly currently attached. The controller dynamically adjusts its command sets, sensor monitoring, and control parameters according to the identified implement type, making the integration process seamless and maintaining ease of operation despite the versatility of interchangeable attachments.
Data Source
AI summary
A system for a worksite includes a lift device coupled to one or more sensors and an implement assembly, and a visual indicator provided at a location at the worksite. One or more sensors of the lift device detect the visual indicator. The visual indicator represents one or more commands for the lift device to perform one. The visual indicator can be a symbol, a code, or an object, and the lift device is configured to determine the content of the command the whether the command applies to the lift device based on one or more aspects of the visual indicator such as its size, shape, or color.