AGV Suspension Hinge Shaft Sensing for Anti-Tipping Control
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional unmanned transport vehicles, such as AGVs, face challenges in anti-tipping performance due to the complexity of sensor arrangements that increase overall height and fail to accurately detect the weight of the vehicle's payload and chassis, leading to a high risk of deviation from the designed path, especially on uneven ground surfaces.
Innovation Solution
A sensor arrangement is integrated into the hinge shaft of the suspension device, allowing for precise detection of the total weight of the vehicle, including the chassis and payload, without increasing the vehicle's height, by using sensors that are integrated into the hinge shaft to measure forces transmitted between the chassis and support brackets.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If conventional sensor arrangements are used to detect payload weight, then measurement function is provided, but overall height of the vehicle increases
Solution Approach 1:
The sensor is integrated into the hinge shaft structure, merging the sensing function with the mechanical connection component. This eliminates the need for separate sensor mounting structures that would increase vehicle height, while maintaining the weight detection capability through the hinge shaft's position in the load path between chassis and support bracket.
2Measurement precision
If conventional weighing devices are used to detect payload, then weight detection is provided, but anti-tipping performance is insufficient
Solution Approach 1:
The sensor integrated in the hinge shaft provides real-time feedback on the weight distribution and center of gravity position. This feedback is used by the control system to adjust driving forces on different wheels, actively compensating for tipping risks during acceleration, deceleration, and turns, thereby significantly improving anti-tipping performance.
Solution Approach 2:
The system detects weight distribution in advance and predicts potential tipping conditions before they occur. The control system proactively adjusts driving forces to prevent tipping rather than reacting after instability occurs, improving overall reliability in uneven terrain conditions.
3Measurement precision
If sensor arrangement is added to detect payload, then measurement capability is improved, but device complexity increases
Solution Approach 1:
The sensor is embedded within the hinge shaft, combining the sensing element with an existing structural component. This integration approach avoids adding separate sensor housings, mounting brackets, and wiring harnesses, thereby minimizing the increase in device complexity while achieving accurate weight detection.
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
The solution enhances anti-tipping performance by accurately determining the vehicle's gravity center, reducing the risk of overturning, and maintaining stability on uneven surfaces through real-time control of driving actuators based on precise weight distribution measurements.
Implementation Method 1
a first sensor is provided on the hinge shaft to detect a force transmitted from the chassis to the support bracket
Data Source
AI summary
Embodiments of the present disclosure relate to an unmanned transport vehicle with improved anti-tipping performances. The unmanned transport vehicle includes a chassis and a suspension device configured to connect the chassis to a wheel and allow a relative motion between the chassis and the wheel. The suspension device includes a first wheel a second wheel a support bracket connecting the first wheel and the second wheel and a hinge shaft configured to connect the support bracket to the chassis wherein a first sensor is provided on the hinge shaft to detect a force transmitted from the chassis to the support bracket.