Nebraska 🕊️ pic.twitter.com/g5U4z51VJB
— Lily Ziehmer (@LivinLikeLil) September 4, 2023
Keeping Animals Cool
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Border Collie Optimization
University Institute of Technology, Burdwan, India
CHRIST (Deemed to be University), Bengaluru, India
Sukanta Mahavidyalaya, Jalpaiguri, India
FEECS, VSB-Technical University of Ostrava, Ostrava, Czech Republic
Abstract: In recent times, several metaheuristic algorithms have been proposed for solving real world optimization problems. In this paper, a new metaheuristic algorithm, called the Border Collie Optimization is introduced. The algorithm is developed by mimicking the sheep herding styles of Border Collie dogs. The Border Collie’s unique herding style from the front as well as from the sides is adopted successfully in this paper. In this algorithm, the entire population is divided into two parts viz., dogs and sheep. This is done to equally focus on both exploration and exploitation of the search space. The Border Collie utilizes a predatory move called eyeing.
This technique of the dogs is utilized to prevent the algorithm from getting stuck into local optima. A sensitivity analysis of the proposed algorithm has been carried out using the Sobol’s sensitivity indices with the Sobol g-function for tuning of parameters. The proposed algorithm is applied on thirty-five benchmark functions. The proposed algorithm provides very competitive results, when compared with seven state-of-the-art algorithms like Ant Colony optimization, Differential algorithm, Genetic algorithm, Grey-wolf optimizer, Harris Hawk optimization, Particle Swarm optimization and Whale optimization algorithm. The performance of the proposed algorithm is analytically and visually tested by different methods to judge its supremacy. Finally, the statistical significance of the proposed algorithm is established by comparing it with other algorithms by employing Kruskal-Wallis test and Friedman test.
CLICK HERE to order the complete article (Free public access)
Empirical Analysis of Risk for Sports Facilities
Neel Prajapati, et. al
Department of Computer Science & Math | Fairleigh Dickinson University
Abstract: In today’s digital landscape, organizations depend on intricate information systems to manage sensitive data, maintain operations, and ensure business continuity. As these systems become more complex, the need for effective risk management strategies grows. Improving facilities, student satisfaction, event attendance, and sustainability are great successes in operational policies, procedures, and event management. Additionally, the sports building serves a diverse community, including students, faculty, staff, and external guests, supporting daily recreation, varsity athletics, and large-scale events. Therefore, this study presents a focused risk management approach based on the NIST Cybersecurity Framework (CSF 2.0) for athletics centers in sports facilities, such as indoor game spaces, fitness centers, and outdoor game spaces, at academic institutions. Thus, this study aims to evaluate asset management practices and identify physical and logical vulnerabilities by conducting in-depth interviews with students, coaches, and other supporting staff, and by gathering firsthand insights into operational workflows, physical security measures, and system-level safeguards. These qualitative findings, combined with realistic frameworks, form the foundation of analysis. In conclusion, sports operations and this study underscore the institution’s commitment to technical reliability, risk awareness, and corresponding mitigation, as well as 24/7 assistant services.
Back in the FDU groove! ❤️💙
📸 Millien Maharjan pic.twitter.com/jMtmUFgyRV
— Fairleigh Dickinson University (@FDUWhatsNew) January 24, 2026
Summer Sport
“No citizen has a right to be an amateur in the matter of physical training…
what a disgrace it is for a man to grow old without ever seeing
the beauty and strength of which his body is capable.”
— (Plato, Republic 403d)
Athena with Hermes, God of Sport
Today we slice horizontally through the multitude of technical and policy silos applicable to seasonal recreational and competitive sport activity. We limit our examination to the conformance catalogs of ANSI. ASHRAE. ASTM, AWWA, ICC, IEEE, IES, NFPA, NSF International, and UL.
Relevant changes proposed for the next revision of the International Building Code:
Sprinkler coverage over bleachers or sport spectator seating (p. 665)
Lightning Protection Systems (p. 751)
Spectator live loading on bleachers (p. 1098)
Permitting of outdoor luminaires per zoning codes (p. 2587-2593)
Last year we examined the standards that applies to the 2024 Paris Olympics; worth a second look this year and in anticipation of the 2028 Summer Olympics in Los Angeles
We deal with the catalogs of CSA, DNV GL ISO, IEC, SGS, TIC and TÜV in a separate, international session.
The moment a father consoles daughter after missing out on olympics medal
pic.twitter.com/kSHd4AIH4Z— Science girl (@gunsnrosesgirl3) August 8, 2024
More:
Sports Equipment & Surfaces
Student Membership | @ASTMStudentFans
“The National Game” 1889 Arthur Streeton
Sport is the bloom and glow of a perfect health.
—Ralph Waldo Emerson
Sport programs, facilities and equipment support one of the most visible and emotionally engaging enterprises in the education communities. These programs are central to the brand identity of the community and last, but not least, physical activity keeps our young people healthy in body and mind.
ASTM International is one of the first names among the 300-odd ANSI accredited standards setting organizations whose due processes discover and promulgate the standard of care for the design, construction, operations and maintenance of the facilities that support these enterprises. The parent committee is linked below:
ASTM Committee F08 on Sports Equipment, Playing Surfaces, and Facilities
To join the meeting today contact Joe Koury, Staff Manager for Committee F08, jkoury@astm.org
§
While ASTM bibliography is largely product-oriented, there are many titles that set the standard of care for sport enterprises and the accessories to these enterprises. To identify a few:
ASTM F1774 Standard Specification for Climbing and Mountaineering Carabiners
ASTM F2060-00(2011) Standard Guide for Maintaining Cool Season Turfgrasses on Athletic Fields
ASTM F1703-13 Standard Guide for Skating and Ice Hockey Playing Facilities
ASTM F1953-10 Standard Guide for Construction and Maintenance of Grass Tennis Courts
ASTM F1081-09(2015) Standard Specification for Competition Wrestling Mats
ASTM F2950-14 Standard Safety and Performance Specification for Soccer Goals
When the General Requirements of an athletic facility construction project indicates: “Conform to all applicable standards” then, in the case of an sport facility, the ASTM title is likely the document that defines the standard of care from a product standpoint. Interoperability of the products in a sport setting are quite another matter.
At the international level, we track action in ISO/TC 83 Sports and other recreational facilities and equipment administered globally by the Deutsches Institut für Normung e.V. ASTM International is ANSI’s Technical Advisory Group for this committee.
University of Maine
The ASTM standards development process depends heavily on face-to-face meetings — typically two times per year – in different parts of the United States. The benefit of this arrangement lies in the quality of discussion among subject matter experts that results produced from face-to-face discussion. The price to pay for this quality, however, lies in the cost of attendance for the user-interest in the education industry. Relatively few subject matter experts directly employed by a school district, college or university who are charged with lowering #TotalCostofOwnership can attend the meetings. Many of the subject matter experts who are in attendance at the ASTM meetings from the education industry tend to be faculty who are retained by manufacturers, insurance, testing laboratories, conformity and compliance interests. (See our discussion of Incumbent Interests)
That much said, ASTM welcomes subject matter experts on its technical committees (Click here) We encourage participation by end users from the education industry — many of them in the middle of athletic facility management organization charts. The parent committee meets twice a year; after which we usually find public review redlines developed during those meetings to hit our radar. The link to the schedule of face-to-face meetings appears below:
Note that the August 2020 cancelled but the November 2020 meeting still appears on the schedule. It is likely that much of the committee work will be done online.
We are required to review draft ASTM consensus products with some care — owing to copyright restrictions — so we do it interactively online during teleconferences devoted to Sport. See our CALENDAR for the next online meeting; open to everyone.
Issue: [7-7] [10-32] [13-165] [20-156]
Category: Sport, Management, Risk Management
Contact: Mike Anthony, Jack Janveja, George Reiher, Richard Robben
Harvard upgrades stadium field | ASTM develops turf safety standards http://t.co/pObQduSg0Khttp://t.co/wRoCPDeVbZ pic.twitter.com/7gLp9tO3B1
— Standards Michigan (@StandardsMich) April 22, 2015
In loco parentis
CLICK IMAGE
Photo of the Week: The George H. Deuble Foundation Student Lounge is a popular destination for students @KentStateStark https://t.co/YWuD7kSl60 pic.twitter.com/tGAawUbiot
— Kent State (@KentState) February 24, 2023
$1.45B “The Swamp” Stadium
The University of Florida’s Ben Hill Griffin Stadium is getting a $1.45 billion makeover — and the transformation is set to be complete just in time for the iconic venue’s 100th birthday. A Manhattan Construction Company and AECOM Hunt partnership has been named construction… pic.twitter.com/P2us7Dlleo
— NextMetropolis (@NextMetropolis) June 17, 2026
Power-Limited Circuits
Today at the usual hour we review best practice literature for the design, construction and operation of Power-Limited Circuits in healthcare facilities. With our previous tenure on Code Panel 15 of the National Electrical Code (which covers healthcare facilities, primarily) and our recent appointment by IEEE to Code Panel 3 (which covers power limited circuits in all occupancy classes) we set ourselves up to respond to the proposals that will shape the 2029 NEC. Use the login credentials at the upper right of our home page.
vbvbvbvbvb
If one imagines that three-phase hospital power distribution systems as “arteries” then power limited circuits can be imagined as the “capillaries” that drive hundreds of end use clinical equipment and devices. The analogy captures the hierarchical, physiological structure of hospital electrical systems—much like the human circulatory system—where power flows from high-capacity trunks to precision, low-risk endpoints.
Three-Phase Systems: The Arteries and Veins
Three-phase hospital power distribution systems function as the arteries and veins: they are the robust, high-volume “vascular” network. Incoming utility power (or on-site generators) arrives as three-phase medium voltage, stepped down through transformers and switchgear into the Essential Electrical System (EES). This backbone—normal power, life-safety, critical, and equipment branches—delivers bulk kilowatts across the facility to major loads: HVAC, lighting, elevators, imaging suites, and operating-room receptacles. Like arteries, these feeders carry large currents over long distances with minimal loss; like veins, they return current safely while maintaining redundancy and selective coordination to keep the “body” (hospital) alive during outages.
Power-Limited Circuits: The Capillaries
Power-limited circuits (NEC Article 725/724 Class 2 and Class 3) are the capillaries. They are the countless, tiny, energy-restricted final branches that directly “perfuse” end-use clinical devices. These circuits are deliberately power-limited—typically ≤30 V and ≤100 VA—to prevent fire, shock, or interference in patient-care spaces. They supply nurse-call systems, bedside monitors, infusion-pump controls, alarm signaling, data links, and low-voltage sensors. Just as capillaries exchange oxygen and nutrients cell-by-cell without flooding tissue, power-limited circuits deliver only the precise, safe wattage needed by sensitive electronics while isolating them from the high-energy main distribution. Their thin insulation, separation rules, and inherent current-limiting transformers mirror the delicate walls of capillaries.
The comparison illuminates why hospitals cannot rely solely on heavy three-phase feeders: without these microscopic “capillaries,” clinical devices would either lack power or be exposed to dangerous fault energies. The analogy shows how the entire system maintains life—bulk transport for infrastructure, micro-delivery for patient care—while enforcing safety through progressive limitation. In essence, the capillaries make the circulatory system functional at the point of use.
Solar (Summer)
| Sie strahlt vor Freude über ihre Auszeichnung – TH-Alumna Melanie Klaus. Für ihre Bachelorarbeit im Bereich Erneuerbare Energien wurde sie vom Solarenergieförderverein Bayern geehrt. In ihrer Bachelorarbeit im Studiengang Elektro- und Informationstechnik untersuchte sie das Zusammenspiel von Wind- und Solarenergie und den Nutzen, der sich hieraus für die regenerative Energieerzeugung erzielen lässt. Untersucht wurde also die Nutzung der natürlichen Kombination von Wind und Sonne für die Energieerzeugung. Um die Rentabilität dieser Einspeisekombination zu ermitteln, hat Melanie Klaus ein Software-Tool entwickelt, welches zur Planung und Simulation abgestimmter Photovoltaik-Wind-Kombinationen dient und bereits für die Errichtung einer Photovoltaik-Anlage zu einem Windpark eingesetzt wird. |
Starting 2023 we separated our coverage of solar energy standards from our standing Electrical and Energy colloquia and placed emphasis on seasonal life cycle returns. We start with the following titles
IEC TC 82 Solar photovoltaic energy systems
Underwriters Laboratories 1703 PV Module Certification
ASTM E772 Standard Terminology of Solar Energy Conversion
IEEE 1562 Guide for Array and Battery Sizing in Stand-Alone Photovoltaic Systems
NEMA Solar Photovoltaic Council
NECA 412 Standard for Installing and Maintaining Photovoltaic Power Systems
NFPA 70 Articles 690-691
NFPA 70 Articles 705 & 855
International Code Council Section 1607 Photovoltaic panels or modules
ASHRAE International: 90.1 Building Energy Code & 189.1 Green Energy Code
Time permitting: Example design specification and construction contract.
Other standards developers and publishers are also present in this domain but this list is where we will start given that we only have an hour. Join us today at 16:00 with the login credentials at the upper right of our home page.
Readings:
What are the hidden costs of solar panels?
Do We Have Enough Silver, Copper, And Other Materials To Keep Up With The Growth Of Solar?
Mining Raw Materials for Solar Panels: Problems and Solutions
New update alert! The 2022 update to the Trademark Assignment Dataset is now available online. Find 1.29 million trademark assignments, involving 2.28 million unique trademark properties issued by the USPTO between March 1952 and January 2023: https://t.co/njrDAbSpwB pic.twitter.com/GkAXrHoQ9T
— USPTO (@uspto) July 13, 2023
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