Autonomous Vehicle Cable Strand Layout for Easier Stripping
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Solution Overview
Problem
Existing communications cables for autonomous vehicles are inefficient in physically constrained environments, requiring complex stripping and manufacturing processes, and lack improved electrical characteristics.
Innovation Solution
A communications cable design featuring a bundle of strands with an insulative central strand, two conductive strands on opposite sides, and additional insulative strands, allowing for simplified stripping and manufacturing, and improved electrical performance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional communications cable designs are used, then manufacturing and stripping processes become complex, but electrical characteristics and data transmission performance are insufficient
Solution Approach 1:
The cable is divided into distinct functional segments: a central insulative strand, surrounded by conductive strands arranged in specific patterns, with additional insulative strands positioned at regular intervals. This segmentation allows each component to perform its specific function optimally while simplifying the overall manufacturing and stripping processes.
Solution Approach 2:
The cable employs an asymmetric arrangement where conductive strands are positioned at specific locations relative to the central insulative strand, with additional insulative strands placed at regular intervals rather than uniform distribution. This asymmetric configuration optimizes electrical characteristics while maintaining manufacturing simplicity.
2Speed
If cable strand arrangement is optimized for electrical performance, then data rates and frequencies improve, but manufacturing complexity increases
Solution Approach 1:
The insulative strands are pre-positioned at regular intervals along the cable length before the conductive strands are installed. This preliminary arrangement establishes a standardized framework that guides subsequent manufacturing steps, enabling optimized electrical performance without proportionally increasing manufacturing complexity.
Solution Approach 2:
Different regions of the cable have different strand configurations: the central region contains the insulative strand, surrounded by conductive strands in specific patterns, while additional insulative strands are positioned at regular intervals. This local variation optimizes electrical characteristics for high data rates while maintaining overall manufacturing feasibility.
3Productivity
If conventional cable stripping methods are used, then processing time increases, but cost reduction is achieved through simplified cable design
Solution Approach 1:
The cable is segmented into distinct sections with insulative strands at regular intervals, creating natural stopping points for stripping operations. This segmentation enables faster, more precise stripping by allowing processors to remove cable sections systematically without complex alignment requirements, thereby improving productivity and reducing costs.
Data Source
AI summary
A communications cable includes a bundle of strands. The bundle of strands includes an electrically insulative first strand, an electrically conductive second strand disposed adjacent to the first strand, an electrically conductive third strand disposed adjacent to the first strand and opposite the second strand, and one or more additional electrically insulative strands disposed adjacent to the first strand.