this paper presents novel active filter for mitigation electromagnetic interference (emi) and other adverse effects of pulse width modulation (pwm) inverter-fed ac motor system. an active filter proposed and devised for this system is characterized by sophisticated connection of two small separate filters, capable of mitigating all the adverse effects. this paper provides high frequency models ...

One of the central challenges of integrating game-based learning in school settings is helping learners make the connections between the knowledge learned in the game and the knowledge learned at school, while maintaining a high level of engagement with game narrative and gameplay. The current study evaluated the effect of supplementing a business simulation game with an external conceptual sca...

imagine trying to be an effective teacher at a school where the average student misses two months of class time out of nine months of the school year—a common situation in urban high schools. Further, imagine that your fellow teachers and school leaders refuse to work together to prevent students from skipping class or support struggling students in a coordinated way. You may stay, but probably...