Review: Bublue BuVortex V5 Pool Skimmer

The Bublue BuVortex V5 ditches conventional skimming for a vortex-powered design that’s fascinating to watch, even if it’s ...
IEEE

Adaptive Dynamic Programming for Optimal Control of Unknown LTI System via Interval Excitation

Abstract: In this article, we investigate the optimal control problem for an unknown linear time-invariant system. To solve this problem, a novel composite policy iteration algorithm based on adaptive ...
IEEE

Transient Stability Analysis of Grid Forming-Grid Following Paralleled System Using Improved Sum-of-Squares Programming

Abstract: This paper investigates the transient stability of the grid-forming and grid-following (GFM-GFL) paralleled system based on the Lyapunov direct method. To achieve this goal, an improved ...
Philadelphia Mag

The Best Philly-Area Pools With Day Passes

This Haddon Township rec center features a 25-meter pool, a splash pool, and a wading pool for littles — plus a playground, clubhouse with lockers and showers, a picnic area, and food service. If ...
Newsweek

Lincoln Memorial Reflecting Pool Is Now Green: 4 Possible Reasons

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. A multimillion-dollar renovation of the Lincoln Memorial Reflecting ...
The Saline Post

Budget, HVAC Equipment for Pool, Swim Program Agreement on School Board Agenda

The Saline Area Schools Board of Education meets at 6:30 p.m. in the Liberty School Board Room. The biggest issue on the agenda is the budget. Information about the budget is not available in the ...