Portable Sensor Calibration Device with Segmented Modular Frame
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Solution Overview
Problem
Current sensor calibration tools for advanced driver assistance systems are bulky and stationary, requiring vehicles to be taken to service centers for calibration, which is inconvenient and limits mobility.
Innovation Solution
A portable sensor calibration device with a modular design, comprising a base frame, standing frame, measurement frame, crossbar, target, and gliding support, allowing for adjustable positioning and easy disassembly for storage or travel, enabling calibration at various locations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If current calibration tools are used, then calibration accuracy is maintained, but mobility and convenience deteriorate due to bulky and stationary design
Solution Approach 1:
The calibration device is divided into multiple separable components including a base frame with casters for mobility, a vertical support frame, a measurement frame with calibration target, and a crossbar assembly. These segments can be easily assembled and disassembled through coupling mechanisms, enabling the device to be transported to different locations while maintaining calibration functionality when assembled.
2Ease of operation
If calibration device is made portable and modular, then mobility and convenience improve, but structural stability and precision positioning may deteriorate
Solution Approach 1:
The device uses a modular segmented structure with standardized coupling mechanisms between components. The base frame includes casters for mobility but can be stabilized when assembled. The vertical support frame couples to the base frame, and the measurement frame couples to the vertical support, creating a stable assembled structure that can be easily disassembled for portability.
Solution Approach 2:
The device incorporates adjustable and reconfigurable elements that allow transition between mobile/disassembled state and stable/assembled state. The coupling mechanisms enable dynamic reconfiguration from a compact portable form to a stable calibration configuration, providing both mobility when needed and structural stability during operation.
3Adaptability or versatility
If calibration device is stationary and fixed, then measurement precision is maintained, but adaptability to different locations deteriorates
Solution Approach 1:
The calibration device is segmented into transportable components that can be assembled at various locations. The base frame with casters enables movement to different positions, while the modular design allows quick assembly and disassembly. Once assembled, the device provides stable calibration functionality adapted to the new location without compromising measurement precision.
Data Source
AI summary
A portable sensor calibration device that provides a reference to a sensor during a calibration procedure. The sensor calibration device may have a number of adjustable functions providing for functional configurability, such as interchangeable target elements, adjustable pitch, adjustable target mounting, and locking elements.