Sensor Vehicle Control for Autonomous Depot Vehicle Guidance

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Solution Overview

Problem

Current technologies are unable to achieve completely autonomous control of transportation vehicles with sufficient operational safety, especially in depots or closed road networks where rules differ from public road traffic, due to the complexity of unanticipated events and varying road users.

Innovation Solution

A control system comprising a sensor vehicle equipped with various sensors that can autonomously move and control a transportation vehicle within a predetermined area, utilizing a combination of on-board and external sensors, and a control unit to manage the vehicle's movement and positioning, allowing for efficient use of sensors and adaptation to specific requirements.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Extent of automation

If numerous sensors and effective processors are installed on the transportation vehicle for autonomous control, then the capability for autonomous control is improved, but the device complexity and cost increase significantly

Engineering Contradiction:
Improveautonomous control capabilityVSAvoidsystem complexity
Core Design Contradiction:
Extent of automationVSDevice complexity

Solution Approach 1:

The patent introduces a sensor vehicle as an intermediary component that carries sensors and processors externally. This mediator enables autonomous control functionality without permanently integrating complex equipment into the transportation vehicle, thus resolving the contradiction between automation capability and device complexity

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The sensor vehicle serves multiple functions: it acts as a mobile sensor platform, a temporary control unit, and can be attached to different transportation vehicles. This multi-functionality reduces the need for dedicated complex systems on each vehicle, addressing both automation and complexity concerns

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

2Device complexity

If a sensor vehicle is used to provide autonomous control externally, then the device complexity of the transportation vehicle is reduced, but the reliability may be affected due to external control limitations

Engineering Contradiction:
Improvevehicle system complexityVSAvoidoperational safety
Core Design Contradiction:
Device complexityVSReliability

Solution Approach 1:

The sensor vehicle is equipped with sensors and control capabilities before being attached to the transportation vehicle. This preliminary preparation ensures that autonomous control functionality is already established and tested, reducing reliability concerns when deployed externally

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The sensor vehicle continuously scans the environment and provides feedback data to control the transportation vehicle autonomously. This real-time feedback mechanism ensures operational safety by enabling the external control system to respond dynamically to changing conditions

Inventive Principle:
Principle #23Feedback

Data Source

PatentUS11507112B2Control of a transportation vehicle
Publication Date: 2022.11.22 ZF FRIEDRICHSHAFEN AG
  • US11507112B2 patent drawing
  • US11507112B2 patent drawing
  • US11507112B2 patent drawing

AI summary

A control system for a transportation vehicle comprises a sensor vehicle that has at least one sensor for scanning an environment, wherein the sensor vehicle is configured to move autonomously to the detected transportation vehicle, and a control unit for controlling the transportation vehicle on the basis of sensor data from the at least one sensor.