This paper presents a model predictive controlled three-level three-phase active neutral-point-clamped (ANPC) inverter for distributing the voltage stress among the semiconductor power switches as well as balancing the neutralpoint voltage. The model predictive control (MPC) concept uses the discrete variables and effectively operates the ANPC inverter by avoiding any linear controller or modul...

Non-uniformity of Lithium-ion cells in a battery pack is inevitable and has become the bottleneck to the pack capacity, especially in the fast charging process. Therefore, a balancing approach is essentially required. This paper proposes an active online cell balancing approach in a tfast charging process using the state of charge (SOC) as balancing criterion. The goal of this approach is to co...

Abstract Imbalance vibration is a typical failure mode of rotational machines and has significant negative effects on the efficiency, accuracy, service life equipment. To automatically reduce imbalance during operational process, different types active balancing actuators have been designed widely applied in actual production. However, existing electromagnetic-ring actuator based an axial excit...

The paper presents a three-dimensional space-vector-modulation scheme for three-phase four-wire active power filters. The focus is on the implementation of a fixed frequency pulse width modulation (PWM) scheme with a minimum number of switch commutations per period and maximum DC bus voltage utilisation. For three-wire applications, space vector modulation is known to provide better utilisation...

Caching and Replication play a critical role in alleviating network latency and server load. In this paper, we propose an Active Networks based architecture for improving caching/replication that operates by obtaining statistics from the network nodes to identify hot-spots in client access patterns. The objects are endowed with the intelligence to make their own replication decisions based on t...

In this paper, an enhanced soft handoff algorithm is proposed to improve system capacity for multi-rate DS-CDMA cellular systems. In the algorithm, we first propose a load-based power allocation scheme for serving soft handoff users in the forward link; we next develop two kinds of active set determination mechanism: a quality-based active set control (QBASC) scheme and fuzzy active set control...