Traditionally, active control of structural radiators has approached the problem through integrating sensors and actuators on or into the structure. In such an approach, the goal is to modify the systems response to disturbance, rather than influence the disturbance path to the radiating structure. Many practical issues exist, which ultimately limit the effectiveness of such an approach. A gene...

Sleep disturbance is commonly encountered amongst intensive care patients and has significant psychophysiological effects, which protract recovery and increases mortality. Bio-physiological monitoring of intensive care patients reveal alterations in sleep architecture, with reduced sleep quality and continuity. The etiological causes of sleep disturbance are considered to be multifactorial, alt...

This paper presents a novel functional observer for motion control systems to provide higher accuracy and less noise in comparison to existing observers. The observer uses the input current and position information along with the nominal parameters of the plant and can observe the velocity, acceleration and disturbance information of the system. The novelty of the observer is based on its funct...

Recursive formula for the terminal cost distribution in a scalar linear discrete-time system with disturbance and noise corrupted measurements is obtained. The system is subject to a linear saturated control strategy. The distributions of the initial state and the estimator error are assumed to be known. The disturbance is independent of the state/control and its distribution is known. The gene...

Noise produced by construction activities has become the second most serious acoustic polluting element in China. To provide industry practitioners with a better understanding of the health risks of construction noise and to aid in creating environmentally friendly construction plans during early construction stages, we developed a quantitative model to assess the health impairment risks (HIA) ...

BACKGROUND Aircraft noise is a major environmental noise problem. This study was conducted in order to investigate the relationship between sleep disturbance and exposure to aircraft noise on the residents who are living near an airport. METHODS There were 3308 residents (1403 in the high exposure group, 1428 in the low exposure group, and 477 in the non-exposure group) selected as the subjec...

The algorithm with compensation of parametric uncertainties, external disturbances and measurement noises for linear time-invariant plants is designed. It is assumed, that the dimension of the noise can be equaled to the state vector dimension and the disturbance can be presented in any equation of the plant model. Analytical condition for algorithm feasibility is proposed. Simulation results s...

Current data point out that perceptive and motor functions in humans are less impaired by noise than functions relating to memory load and/or mental operations. For example, traffic noise has usually no effect on vigilance [1, 3], choicereaction time [5], spatial perception [1]. On the contrary, following mental functions seems to be impaired by noise: short-term-memory [1], mental arithmetic [...

In this study, a tele-aiming control system for reconnaissance robots is proposed, capable of enabling operators to quickly the robot aim at and track manoeuvring target with random motion characteristics under measurement noise. To such targets, cascaded multi-model super-twisting observer designed. First, uncertainty inertial impact force disturbance generated during rapid are expanded into l...

Migraine is divided into two forms: migraine without aura, which accounts for around 70-80% of attacks, and migraine with aura, which accounts for around 20-30% of attacks [3]. The pain is mainly unilateral, although it can also occur bilaterally, moderate or severe intensity, it worsens with movement and is associated with nausea and/or vomiting, disturbance of light (photophobia), disturbance...