Building Automation Data Model for Maintenance Efficiency

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Solution Overview

Problem

Building automation systems face limitations in associating sensor values with building attributes and managing dispersed information, leading to inefficiencies in maintenance and remote control capabilities.

Innovation Solution

A data model that links building topology and automation devices, allowing for the creation of building space objects and device objects with references to graphics and operating values, enabling comprehensive data representation and display based on parameters.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Quantity of substance

If building automation systems store information in dispersed locations and formats, then information completeness is improved, but information accessibility and maintenance efficiency deteriorate

Engineering Contradiction:
Improveinformation completenessVSAvoidmaintenance efficiency
Core Design Contradiction:
Quantity of substanceVSEase of operation

Solution Approach 1:

The patent merges dispersed building information into a unified data model that consolidates architectural data, automation device data, and maintenance information into a single accessible structure. This allows complete information storage while enabling efficient retrieval through centralized access points.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The unified data model serves multiple functions simultaneously: it stores architectural information, tracks automation devices, manages maintenance schedules, and provides accessibility to all system components through a single interface, eliminating the need for separate storage systems.

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

2Loss of information

If building systems provide comprehensive data representation, then system understanding is improved, but system complexity increases

Engineering Contradiction:
Improvesystem understandingVSAvoiddata model complexity
Core Design Contradiction:
Loss of informationVSDevice complexity

Solution Approach 1:

The patent segments building information into distinct but related data objects including architectural spaces, automation devices, and maintenance records. Each segment is independently structured but linked through the unified data model, providing comprehensive representation while maintaining manageable complexity through modular organization.

Inventive Principle:
Principle #1Segmentation

Data Source

PatentUS7664574B2Method for representing a building system enabling facility viewing for maintenance purposes
Publication Date: 2010.02.16 SIEMENS INDUSTRY INC
  • US7664574B2 patent drawing
  • US7664574B2 patent drawing
  • US7664574B2 patent drawing

AI summary

A method of displaying information regarding a building includes a step of storing a model of a building system in a memory, the model comprising a plurality of building objects. The building objects include building space objects and building automation device objects. Each object has a first field referencing at least one related object. The method also includes generating display information regarding a first object. The method further includes identifying a second object referenced in the first field of the first object and generating display information regarding the second object.