Movable ADAS Calibration Device for Rapid Sensor Alignment

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Solution Overview

Problem

Existing calibration methods for advanced driver assistant systems (ADAS) are time-consuming and labor-intensive, requiring frequent repositioning of calibration devices, which affects consistency and precision.

Innovation Solution

A calibration device with a support assembly, beam assembly, and sliding member that allows vertical and horizontal movement, enabling precise adjustment and mounting of calibration apparatuses for ADAS sensors, such as Doppler signal simulators, to facilitate rapid and accurate calibration across different vehicle models and positions.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If the calibration device is removed and remounted for different positions, then calibration can be performed on different ADAS devices, but the process becomes time-consuming and labor-consuming

Engineering Contradiction:
Improvecalibration capability for different ADAS devicesVSAvoidcalibration time
Core Design Contradiction:
Adaptability or versatilityVSLoss of time

Solution Approach 1:

The calibration device is designed with a movable mounting structure that enables a single device to perform calibration at multiple positions. The support assembly with adjustable legs and the movable mounting plate allow the calibration device to adapt to different ADAS sensor positions without requiring multiple separate calibration devices, thus resolving the contradiction between versatility and time consumption.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The calibration device incorporates dynamic elements including adjustable legs for height and angle adjustment, and a movable mounting plate that can be repositioned along the support structure. These dynamic features enable the device to quickly adapt to different calibration positions, eliminating the need for complete removal and remounting, thereby reducing calibration time while maintaining versatility.

Inventive Principle:
Principle #15Dynamics

2Adaptability or versatility

If the calibration device is removed and remounted for different positions, then calibration can be performed on different ADAS devices, but consistency of the calibration device is affected

Engineering Contradiction:
Improvecalibration capability for different ADAS devicesVSAvoidcalibration consistency
Core Design Contradiction:
Adaptability or versatilityVSReliability

Solution Approach 1:

By designing a universal calibration device with adjustable positioning capabilities, the system ensures consistent calibration quality across different ADAS devices. The standardized mounting interface and controlled adjustment mechanisms maintain calibration consistency while enabling versatility across different sensor types and positions.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The invention replaces the manual removal and remounting process with a controlled mechanical adjustment system. The movable mounting plate and adjustable support structure provide precise, repeatable positioning through mechanical means, ensuring calibration consistency while enabling adaptation to different devices.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

3Device complexity

If a fixed calibration device is used, then mounting is simple, but it cannot calibrate devices at different positions efficiently

Engineering Contradiction:
Improvemounting simplicityVSAvoidcalibration efficiency
Core Design Contradiction:
Device complexityVSProductivity

Solution Approach 1:

The calibration device incorporates dynamic adjustment capabilities through movable mounting plates and adjustable support legs, allowing the device to adapt to different positions without significantly increasing mounting complexity. The mechanical adjustment mechanisms are designed to be operator-friendly, maintaining relative simplicity while dramatically improving calibration efficiency.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The invention adds spatial flexibility by introducing vertical adjustment capability through movable mounting plates that can slide along the support structure, and angular adjustment through adjustable legs. This dimensional freedom allows efficient calibration of devices at various positions without complicating the fundamental mounting approach.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

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

Enables convenient, rapid, and accurate calibration of ADAS sensors by allowing flexible positioning of calibration apparatuses, improving consistency and precision, and reducing the time and labor required for calibration.

Implementation Method 1

The upright support includes a lifting screw rod. The lifting screw rod is disposed along a vertical direction. The beam assembly is sleeved on the lifting screw rod and is mated with the lifting screw rod through threads. When the lifting screw rod rotates around a central axis of the lifting screw rod, the lifting screw rod is configured to drive the beam assembly to move in a vertical direction along the lifting screw rod.

Methodology Applied
Scientific EffectScrew mechanism: Screw

Implementation Method 2

The base support includes a roller, the support body, and the height adjusting member. At least three rollers are mounted to a bottom surface of the support body to facilitate movement of the base support.

Methodology Applied
Scientific EffectRolling friction: Roller

Data Source

PatentUS11175383B2Calibration device of automobile assistance system
Publication Date: 2021.11.16 AUTEL INTELLIGENT TECHNOLOGY CORP LTD
  • US11175383B2 patent drawing
  • US11175383B2 patent drawing

AI summary

The present invention relates to the technical field of automobile maintenance and device calibration, and discloses a calibration device of an automobile assistance system, the radar calibration device including a support assembly, a beam assembly, and a sliding member. The beam assembly is mounted to the support assembly and may move relative to the support assembly along a vertical direction. The sliding member is mounted to the beam assembly and may move relative to the beam assembly along a horizontal direction. The calibration device of the automobile assistance system may cause a simulator to be mounted on the sliding member that may slide horizontally from left to right, so that the simulator can slide continuously from left to right, radar for blind areas at a left rear and a right rear of the automobile are conveniently and rapidly calibrated, and consistency of parameters such as a height and an angle of the calibration device of an automobile assistance system can be ensured, achieving a convenient and more accurate calibration operation.