Controller-Sensor Bus Retransmission for Low-Latency Machine Networks

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Solution Overview

Problem

Current network architectures in machine automation, such as those for self-driving cars and factory automation, face challenges with high latency, low bandwidth, complex cabling, significant electromagnetic interference, high costs, and unsecured data transmission, particularly when handling sensor data like camera and LIDAR data across the network.

Innovation Solution

A machine automation system featuring a controller and sensor bus with a central processing core and multi-medium transmission intranet that implements a dynamic burst-to-broadcast transmission scheme, utilizing root and leaf nodes with acknowledgment engines for efficient data transmission and error handling, and a generic encapsulation mode for standardized data transport across the network.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If copper cabling systems are used for network transmission, then data transmission can be achieved, but electromagnetic interference increases and expensive shielding is required

Engineering Contradiction:

Improvedata transmission reliabilityVSAvoidelectromagnetic interference

Core Design Contradiction:

ReliabilityVSObject-affected harmful factors

Solution Approach 1:

The patent replaces traditional electrical copper cabling systems with optical fiber transmission media. This substitution eliminates electromagnetic interference inherent in copper systems while maintaining data transmission capabilities, directly resolving the contradiction between transmission reliability and electromagnetic interference.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

2Reliability

If traditional network architectures are used, then data transmission is possible, but latency is high and bandwidth is low

Engineering Contradiction:

Improvedata transmission capabilityVSAvoidnetwork latency

Core Design Contradiction:

ReliabilityVSLoss of time

Solution Approach 1:

The patent segments the network architecture into distributed edge nodes that can independently process and transmit data locally, reducing centralized bottlenecks. This segmentation enables lower latency communication while maintaining transmission reliability through distributed pathways.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The patent implements dynamic bandwidth allocation and adaptive routing that adjusts transmission parameters in real-time based on network conditions, enabling high-speed performance while maintaining reliable data transmission across varying loads.

Inventive Principle:

Principle #15Dynamics

3Length of stationary object

If complex cabling systems are deployed, then network coverage can be extended, but system complexity increases

Engineering Contradiction:

Improvenetwork reachVSAvoidcabling complexity

Core Design Contradiction:

Length of stationary objectVSDevice complexity

Solution Approach 1:

The patent replaces complex electrical cabling infrastructure with optical fiber systems that offer longer transmission distances without signal degradation, reducing the need for repeaters and complex cable management while extending network reach.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

Data Source

PatentUS11156987B2Intelligent controller and sensor network bus, system and method including a message retransmission mechanism

Publication Date: 2021.10.26 VULCAN TECH SHANGHAI CO LTD

AI summary

A machine automation system for controlling and operating an automated machine. The system includes a controller and sensor bus including a central processing core and a multi-medium transmission intranet for implementing a dynamic burst to broadcast transmission scheme where messages are burst from nodes to the central processing core and broadcast from the central processing core to all of the nodes.