Conference Papers

Brick: Towards a Unified Metadata Schema For Buildings [Paper] [Slides] [Poster]

Bharathan Balaji, Arka Bhattacharya, Gabriel Fierro, Jingkun Gao, Joshua Gluck, Dezhi Hong, Aslak Johansen, Jason Koh, Joern Ploennigs, Yuvraj Agarwal, Mario Berges, David Culler, Rajesh Gupta, Mikkel Baun Kjærgaard, Mani Srivastava, Kamin Whitehouse
ACM Conference on Embedded Systems For Energy-Efficient Built Environments (BuildSys), 2016
Audience Choice Award, Nominated for Best Paper Award

Genie: A Longitudinal Study Comparing Physical and Software Thermostats in Office Buildings [Paper] [Poster]

Bharathan Balaji, Jason Koh, Nadir Weibel, Yuvraj Agarwal
ACM International Joint Conference on Pervasive and Ubiquitous Computing (Ubicomp), 2016

Zodiac: Organizing Large Deployment of Sensors to Create Reusable Applications for Buildings [Paper] [Poster]

Bharathan Balaji, Chetan Verma, Balakrishnan Narayanaswamy, Yuvraj Agarwal
ACM Conference on Embedded Systems For Energy-Efficient Built Environments (BuildSys), 2015
Nominated for Best Paper Award

Models, Abstractions, and Architectures: The Missing Links in Cyber-Physical Systems [Paper]

Bharathan Balaji, Mohammad Abdullah Al Faruque, Nikil Dutt, Rajesh Gupta, Yuvraj Agarwal
In Proceedings of the 52nd Design Automation Conference (DAC '15), June 2015 – Invited Paper

Data Driven Investigation of Faults in HVAC Systems with Model, Cluster and Compare (MCC) [Paper] [Slides]

Balakrishnan Narayanaswamy, Bharathan Balaji, Rajesh Gupta, Yuvraj Agarwal
ACM Conference on Embedded Systems for Energy-Efficient Buildings (BuildSys), 2014

Sentinel: An Occupancy Based HVAC Actuation System using existing WiFi Infrastructure in Commercial Buildings [Paper] [Slides] [Poster]

Bharathan Balaji, Jian Xu, Rajesh Gupta, Yuvraj Agarwal
ACM Conference on Embedded Networked Sensor Systems (SenSys), 2013

Duty-Cycling Buildings Aggressively: The Next Frontier in HVAC Control [Paper]

Yuvraj Agarwal, Bharathan Balaji, Seemanta Dutta, Rajesh Gupta, Thomas Weng
ACM Conference on Information Processing in Sensor Networks (IPSN), 2011

A Novel Power Saving Strategy for Greening IEEE 802.11 based Wireless Networks [Paper]

Bharathan Balaji, Bheemarjuna Reddy Tamma, and B. S. Manoj
IEEE Global Telecommunications Conference (GLOBECOM '10), 2010

Workshop Papers

EchoSafe: Sonar-based Verifiable Interaction with Intelligent Digital Agents

Amr Alanwar, Bharathan Balaji, Yuan Tian, Shuo Yang, Mani Srivastava
ACM International Workshop on the Internet of Safe Things (SafeThings), co-located with ACM SenSys 2017

Emu: Engagement Modeling for User Studies [Paper] [Slides]

Bo-Jhang Ho, Nima Nikzad, Bharathan Balaji, Mani Srivastava
Proceedings of the 2nd ACM International Workshop on Smart & Ambient Notification and Attention Management (Ubittention 2017), co-located with Ubicomp 2017.

ZonePAC: Zonal Power Estimation and Control via HVAC Metering and Occupant Feedback [Paper] [Slides]

Bharathan Balaji, Hidetoshi Teraoka, Rajesh Gupta, Yuvraj Agarwal
ACM Workshop on Embedded Systems For Energy-Efficient Buildings (BuildSys), 2013

Accurate Characterization of Variability in Power Consumption in Modern Computing Platforms [Paper]

Bharathan Balaji, John McCullough, Rajesh Gupta, Yuvraj Agarwal
USENIX Conference on Power-Aware Computing and Systems (HotPower), 2012

Managing Plug-Loads for Demand Response within Buildings [Paper]

Thomas Weng, Bharathan Balaji, Seemanta Dutta, Rajesh Gupta, Yuvraj Agarwal
ACM Workshop on Embedded Sensing Systems for Energy-Efficiency in Buildings (BuildSys), 2011

Occupancy-Driven Energy Management for Smart Building Automation [Paper]

Yuvraj Agarwal, Bharathan Balaji, Rajesh Gupta, Jacob Lyles, Michael Wei, Thomas Weng
ACM Workshop on Embedded Sensing Systems for Energy-Efficiency in Building (BuildSys), 2010

Demo Papers

PrOLoc: resilient localization with private observers using partial homomorphic encryption [Paper]

Amr Alanwar, Yasser Shoukry, Supriyo Chakraborty, Bharathan Balaji, Paul Martin, Paulo Tabuada, Mani Srivastava
ACM/IEEE International Conference on Information Processing in Sensor Networks (IPSN), 2017
Best Demo Award

Portable Queries Using the Brick Schema for Building Applications [Paper]

Bharathan Balaji, Arka Bhattacharya, Gabriel Fierro, Jingkun Gao, Joshua Gluck, Dezhi Hong, Aslak Johansen, Jason Koh, Joern Ploennigs, Yuvraj Agarwal, Mario Berges, David Culler, Rajesh Gupta, Mikkel Baun Kjærgaard, Mani Srivastava, Kamin Whitehouse
ACM Conference on Embedded Systems For Energy-Efficient Built Environments (BuildSys), 2016
Best Demo Award

BuildingRules: A Trigger-Action Based System To Manage Complex Commercial Buildings

Alessandro A. Nacci, Bharathan Balaji, Paola Spoletini, Vincenzo Rana, Rajesh Gupta, Donatella Sciuto, Yuvraj Agarwal
ACM International Joint Conference on Pervasive and Ubiquitous Computing (Ubicomp), 2015

BuildingSherlock: Fault Management Framework for HVAC Systems [Paper] [Poster]

Rizhen Zhang, Bharathan Balaji, Yan Zhang, Balakrishnan Narayanaswamy, Yuvraj Agarwal
ACM Conference on Embedded Systems for Energy-Efficient Buildings (BuildSys), 2014

A WiFi Based Occupancy Sensing Approach to Smart Energy in Commercial Office Buildings [Paper]

Du Li, Bharathan Balaji, Yifei Jiang, Kshitij Singh
ACM Workshop on Embedded Sensing Systems for Energy-Efficiency in Buildings (BuildSys), 2012

Poster Papers

Scrabble: Converting Unstructured Metadata into Brick for Many Buildings

Jason Koh, Bharathan Balaji, Dhiman Sengupta, Julian McAuley, Yuvraj Agarwal, Rajesh Gupta
ACM Conference on Embedded Systems For Energy-Efficient Built Environments (BuildSys), 2017

Data Hub Architecture for City Data

Sandeep Singh Sandha, Jason Koh, Bharathan Balaji, Daniel Crawl, Ilkay Altintas, Rajesh Gupta, Mani Srivastava
ACM Conference on Embedded Networked Sensor Systems (SenSys), 2017

AquaMote: Ultra Low Power Sensor Tag for Localization and Fine Motion Tracking

Eun Sun Lee, Jeya Vikranth Jeyakumar, Bharathan Balaji, Rory Wilson, Mani Srivastava
ACM Conference on Embedded Networked Sensor Systems (SenSys), 2017

Controlling Actuation in Central HVAC Systems in Buildings [Paper] [Poster]

Jason Koh, Bharathan Balaji, Rajesh Gupta, Yuvraj Agarwal
ACM Conference on Embedded Systems For Energy-Efficient Built Environments (BuildSys), 2015
Best Poster Award

Technical Reports

EmbedInsight: Automated Grading of Embedded Systems Assignments [Paper]

Hao Li, Bo-Jhang Ho, Bharathan Balaji, Yue Xin, Paul Martin, Mani Srivastava
arXiv:1703.04514 [cs.CY], arXiv.org, 2017

Modeling Actuation Constraints for IoT Applications [Paper]

Bharathan Balaji, Brad Campbell, Amit Levy, Xiaozhou Li, Addison Mayberry, Nirupam Roy, Vasuki Narasimha Swamy, Longqi Yang, Victor Bahl, Ranveer Chandra, Ratul Mahajan
arXiv:1701.01894 [cs.SY], arXiv.org, 2017

Managing Commercial HVAC Systems: What do Building Operators Really Need? [Paper]

Bharathan Balaji, Nadir Weibel, Yuvraj Agarwal
arXiv:1612.06025 [cs.HC], arXiv.org, 2016

Quiver: Using Control Perturbations to Increase the Observability of Sensor Data in Smart Buildings [Paper]

Jason Koh, Bharathan Balaji, Vahideh Akhlaghi, Rajesh Gupta, Yuvraj Agarwal
arXiv:1601.07260 [cs.SY], arXiv.org, 2016

HVACMeter: Apportionment of HVAC Power to Thermal Zones and Air Handler Units [Paper]

Jason Koh, Bharathan Balaji, Rajesh Gupta, Yuvraj Agarwal
arXiv:1509.05421 [cs.SY], arXiv.org, 2015

BuildingSherlock: Fault Management Framework for HVAC Systems in Commercial Buildings [Paper]

Hidetoshi Teraoka, Bharathan Balaji, Rizhen Zhang, Anthony Nwokafor, Balakrishnan Narayanaswamy, Yuvraj Agarwal
CSE, UCSD, 2014

BuildingRules: A Trigger-Action Based System To Manage Complex Commercial Buildings [Paper]

Alessandro Nacci, Bharathan Balaji, Paola Spoletini, Vincenzo Rana, Rajesh Gupta, Donatella Sciuto, Yuvraj Agarwal
CSE, UCSD, 2014

Research Exam

Towards Large-scale Monitoring of Commercial Buildings using Wireless Sensor Networks [Paper]

Bharathan Balaji, 2012

MS Thesis

Using Occupancy to Reduce Energy Consumption of Buildings [Thesis]

Bharathan Balaji, 2011

PhD Dissertation

Software Augmented Buildings: Exploiting Existing Infrastructure to Improve Energy Efficiency and Comfort in Commercial Buildings [Dissertation]

Bharathan Balaji, 2016

bbalaji@ucla.edu