Building Automation Control Device Commissioning via BIM Integration
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Solution Overview
Problem
The commissioning and maintenance of regulation and control devices in building automation, such as HVAC systems, are often inadequately documented, leading to incomplete and time-consuming processes for project managers and technicians, with insufficient tracking of progress and lack of transparency.
Innovation Solution
A method that establishes a communication connection between the control unit and a mobile communication terminal, using an identification code to retrieve current configuration data and data points, which are then linked to a Building Information Model (BIM) for providing targeted instructions and facilitating efficient troubleshooting and maintenance, with features like indoor positioning for locating devices and data analytics for error analysis.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If manual documentation methods (paper-based lists or laptop tools) are used for commissioning and maintenance, then technicians can perform field activities, but the documentation becomes incomplete, difficult to understand, and time-consuming to process
Solution Approach 1:
The patent replaces manual mechanical documentation methods (paper-based lists, laptop tools requiring manual data entry) with an automated optical/electronic system. The mobile device captures data points directly from the control unit via communication protocols, automatically generating and storing commissioning and maintenance documentation without manual transcription, thereby eliminating information loss and reducing processing time
Solution Approach 2:
The control unit itself generates and transmits its own data (identification code, configuration data, data points, error messages) to the mobile device, enabling self-documentation. The system automatically creates complete documentation records without requiring external manual intervention, ensuring information completeness while minimizing the time technicians spend on documentation tasks
2Loss of information
If progress tracking is performed manually during commissioning, then project management can monitor status, but the tracking becomes opaque and difficult for project managers to understand
Solution Approach 1:
The patent replaces complex manual tracking systems with a simplified digital communication system. The mobile device automatically receives and displays data points, status information, and commissioning progress directly from the control unit, providing transparent real-time visibility to project managers without requiring complex manual tracking procedures or interpretation of fragmented text descriptions
Solution Approach 2:
The mobile communication device serves multiple functions: it captures identification codes, retrieves configuration data, monitors data points, tracks commissioning progress, and provides troubleshooting guidance. This multi-functional approach consolidates multiple tracking and documentation tasks into a single unified system, improving transparency while managing complexity through integration rather than proliferation of separate tools
3Reliability
If technicians perform commissioning and maintenance without structured guidance, then field activities can be completed, but troubleshooting becomes inefficient and error-prone
Solution Approach 1:
The mobile device continuously receives and displays feedback from the control unit in the form of data points, status information, and error messages. This real-time feedback loop provides technicians with structured guidance on system state and troubleshooting steps, improving both the accuracy of diagnostic actions and the efficiency of commissioning and maintenance activities by preventing erroneous manual interventions
Solution Approach 2:
The system captures and stores identification codes, configuration data, and baseline data points during the commissioning phase before operational issues arise. This preliminary documentation creates a reference framework that guides subsequent maintenance and troubleshooting activities, enabling technicians to quickly compare current system state against known good configurations and perform accurate, efficient repairs without starting from scratch
Data Source
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AI summary
Method and arrangement for commissioning and/or maintaining a control and regulating device for field devices (FG1, FG2) for building automation, wherein a communication connection is established between the control and regulating device and a user's mobile communication terminal; wherein the mobile communication terminal is configured to query an identification code, current configuration data, and current data points of the control and regulating device via the communication connection, a data point representing the state of a parameter of a field device; wherein the mobile communication terminal is further configured to communicate with a central location via another communication connection, wherein a BIM model of the corresponding building is stored in the central location;wherein the identification code is used to relate the current data of the control device to the data of the control device stored in the BIM model; and wherein the mobile communication device is configured to provide the user with dedicated instructions based on the current configuration data, the current data points, and the data of the control device stored in the BIM model.