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Search Publications by: Michael A. Galler (Fed)

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Displaying 1 - 25 of 35

They're phishing for you: be the one that got away

February 1, 2023
Author(s)
Michael Galler
Cybersecurity has been a topic of increasing importance to the building services community for several years. While fully securing large and complex building systems can be complicated, some basic precautions can easily be applied to any system, and some

Basic Cybersecurity Recommendations for HVAC Systems- Passwords

April 1, 2022
Author(s)
Michael Galler
Cybersecurity has been a topic of increasing importance for several years. While fully securing a large and complex system can be very complicated, there are some basic precautions that can easily be applied to any system, and some basic precautions that

Basic Recommendations For HVAC Cybersecurity

September 1, 2021
Author(s)
Michael Galler
Cybersecurity has been a topic of increasing importance for several years. While fully securing a large system can be very complicated, there are some basic precautions that can easily be applied to any system. The purpose of this document is to briefly

Users Guide to the HVACSIM+ Configuration Tool

September 2, 2020
Author(s)
Michael A. Galler
HVACSIM+ (HVAC SIMulation PLUS other systems) was introduced by the National Institute of Standards and Technology (NIST) in 1985 as a computer simulation tool to simulate building systems. The HVACSIM+ computer program package and manuals have been

Retro-Commissioning a Performing Arts Center using HVAC-Cx

February 21, 2019
Author(s)
Natascha S. Milesi-Ferretti, Michael A. Galler, Steven T. Bushby, Robert Leader, J. M. Whitcomb, David W. Rush
This paper presents the use of a semi-automated commissioning tool for the energy retro-commissioning of the Performing Arts Center at Montgomery College in Rockville, Maryland. Researchers and field practitioners collaborated to implement the HVAC-Cx

Programmers Guide to the BACnet Communications DLL

October 1, 2018
Author(s)
Michael A. Galler
The BACnet standard defines a communication protocol for information exchange between components of a distributed building automation and control system. The BACnet communications dynamically linked library enables researchers to implement selected BACnet

Users Guide to the NIST Data Alignment Tool V1.0

September 4, 2018
Author(s)
Michael A. Galler
The Data Alignment Tool (DAT) was built to assist with the analysis of data used in testing Fault Detection and Diagnostics (FDD) tools and building commissioning (Cx) tools. The data sources were the Virtual Cybernetic Building Testbed (VCBT) and data

Users Guide to HVAC-Cx v2.2

December 6, 2017
Author(s)
Michael A. Galler, Natascha S. Milesi-Ferretti
HVAC-Cx is a software tool designed to facilitate performance analysis for mechanical equipment buildings. It is used for ongoing monitoring and provides the ability to detect faults related to improper operation, using expert rules to present results of

Performance Monitoring of Chilled Water Distribution Systems using HVAC-Cx

July 30, 2017
Author(s)
Natascha S. Milesi-Ferretti, Michael A. Galler, Steven T. Bushby
Automated commissioning tools facilitate an ongoing commissioning process to improve occupant comfort, ensure the persistence of correct system operation, and reduce energy consumption. These tools decrease the time and the skill level required to carry

Modeling Building Access Control with BACnet

February 19, 2017
Author(s)
Stephen J. Treado, S Cook, Banty Jain, Michael Galler
This report describes a typical implementation of a building access control system integrated with other portions of a building automation system, using some of the newly developed features of BACnet. This functionality has been implemented in the NIST

Evaluating the Initial Field Performance of HVAC-Cx for Air Handling Units

August 17, 2016
Author(s)
Natascha S. Milesi-Ferretti, Michael A. Galler, Steven T. Bushby
Automated commissioning tools facilitate the ongoing commissioning process to improve occupant comfort, ensure the persistence of correct system operation, and reduce energy consumption. These tools decrease the time and the skill level required to carry

Programmers Guide to the Air-Handling Unit Performance Assessment Rule DLL

September 26, 2013
Author(s)
Michael A. Galler
The AHU Performance Assessment Rules (APAR) were developed in 2001 and have been implemented as part of a limited number of Fault Detection and Diagnostics (FDD) tools. While a list of the rules has been widely available, an implementation of them that is

Using the BACnet Data Source v1.7

October 20, 2011
Author(s)
Michael A. Galler
The BACnet Data Source (BDS) was developed to be used as a component of the Virtual Cybernetic Building Testbed (VCBT) (1), in conjunction with work on various Fault Detection and Diagnostics (FDD) (2) and Building Commissioning (Cx) tools. The VCBT uses

Consumer Use of Dishwashers, Clothes Washers, and Dryers: Data Needs and Availability

March 21, 2011
Author(s)
Christopher Iglehart, Natascha S. Milesi-Ferretti, Michael Galler
NIST provides technical support to the DOE in developing test procedures for a variety of residential appliances. As part of this process, DOE seeks representative consumer use data to establish test procedures that are representative of real world use

The Virtual Cybernetic Building Testbed-A Building Emulator

July 16, 2009
Author(s)
Steven T. Bushby, Michael A. Galler, Natascha S. Milesi-Ferretti, Cheol D. Park
Building emulators couple computer simulations to real control hardware, creating a useful tool for studying building control system performance. The National Institute of Standards and Technology's Virtual Cybernetic Building Testbed (VCBT) is a whole

Building Networks and Public Safety Communications

November 18, 2008
Author(s)
David G. Holmberg, Stephen J. Treado, William D. Davis, Steven T. Bushby, Alan B. Vinh, Michael A. Galler, R Vettori
The Building Networks and Public Safety Communications project has three components: (1) addressing feasibility of using building networks for bridging first responder radio communications into buildings, (2) recommending changes to the SAFECOM Statement

Using the BACnet Communications DLL v1.0

September 29, 2008
Author(s)
Michael A. Galler
The BACnet standard [1] defines a communication protocol for information exchange between components of a distributed building automation and control system. The BACnet Communications Dynamically Linked Library (DLL) enables researchers to implement

Building Information for Emergency Responders

June 8, 2007
Author(s)
Stephen J. Treado, Alan B. Vinh, David G. Holmberg, Michael A. Galler
This paper describes a methodology for controlling access to building information to approved external entities such as police, fire and public safety officials. Building automation systems frequently monitor critical building information, including the

Using the BACnet (R) firewall router

November 1, 2006
Author(s)
David G. Holmberg, Joel J. Bender, Michael A. Galler
The BACnet Firewall Router (BFR) is a BACnet router with security firewall functionality. As a firewall it allows network and address filtering plus network and application layer service filtering of BACnet communications according to a security policy