Turf Roller Joystick Control for Single-Hand Steering and Speed
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Solution Overview
Problem
Existing turf rollers lack efficient and ergonomic control systems for directional and speed management, often requiring foot pedals and mechanical inputs, which can be cumbersome and inefficient.
Innovation Solution
A turf roller design incorporating a chassis, a roller assembly, and an operator station with a single input member controlling both angular position and rotational drive via electric actuators and an electronic controller, allowing for single-hand directional and speed control.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If foot pedals and mechanical inputs are used for control, then the turf roller can be operated, but the operation becomes cumbersome and inefficient
Solution Approach 1:
The patent combines directional control and speed control into a single input member (joystick). The joystick integrates both functions so that one input device controls both the direction and speed of the turf roller, eliminating the need for separate foot pedals and mechanical inputs, thereby improving ease of operation while reducing control system complexity
Solution Approach 2:
The single input member (joystick) serves multiple functions: it controls both directional steering and speed regulation. This multi-functional design allows the operator to manage both aspects of motion control through one universal input device, enhancing operational efficiency and simplifying the control architecture
2Ease of operation
If multiple separate control inputs are used for direction and speed, then precise control is achieved, but the operator station becomes more complex
Solution Approach 1:
The patent merges directional and speed control functions into a single input member. This consolidation allows the operator to control both direction and speed using one hand on the joystick, significantly improving ease of operation while reducing the number of separate control inputs required
Data Source
AI summary
A turf roller can include a chassis, a roller assembly supporting the chassis, the roller assembly including a roller, a first actuator operably connected to the roller and configured to control an angular position of the roller, a second actuator operably connected to the roller and configured to rotationally drive the roller, and an operator station supported by the chassis, the operator station including a single input member controlling the output to both the first and second actuators to provide directional and speed control for the drive the turf roller.