نتایج جستجو برای: h control
تعداد نتایج: 1793063 فیلتر نتایج به سال:
In the current study, we examined latent growth in 731 young children's inhibitory control from ages 2 to 4, and whether demographic characteristics or parenting behaviors were related to initial levels and growth in inhibitory control. As part of an ongoing longitudinal evaluation of the Family Check-Up (FCU), children's inhibitory control was assessed yearly at ages 2, 3, and 4. Inhibitory co...
An adaptive control based on fuzzy logic has been implemented for Gas Tungsten Arc Welding (GTAW). This adaptive controller eliminates the problems frequently experienced with traditional Automatic Voltage Control (AVC) systems, which do not adequately perform for all operational conditions because of the non-linear relationship between the arc voltage, current and arc length. This paper examin...
A large literature examines performance pay for managers in the private sector, but little is known about performance pay for managers in public sector bureaucracies. In this paper, we study performance incentives rewarding school administrators for reducing anemia among their students. Randomly assigning 170 schools to three performance incentive levels and two orthogonal sizes of unconditiona...
Visual mental imagery protocols can provide step-by-step traces of executive decisionmaking. Sequences of drawings that externalize thought processes are often easier to analyze than transcriptions of tape recorded verbal protocols. The technique is of obvious use for investigating spatial problem solving behavior since such tasks are usually solved with sketches, drawings, or graphs; the metho...
Myoelectric systems have received widespread use as controls of prosthetic devices for individuals with amputations or congenitally deficient upper limbs, (Parker and Scott, 1988). Many systems are now available commercially to control a single device (hand, elbow, wrist). These systems extract a control signal based on an estimate of the amplitude, (Dorcas and Scott, 1966), or on the rate of c...
Field Editor: C. Schade Although there is evidence that regulatory focus is associated with opportunity exploitation, there is a lack of research examining its role at the early stages of opportunity recognition. The present study makes two major contributions to address this gap. First, we demonstrate that entrepreneurs' promotion focus is positively related to opportunity recognition, whereas...
Seam carving is a content-aware resizing method. Based on a seam carving approach to obtain semantic video compression, the non salient parts of the video are suppressed and the reduced sequence is encoded with H.264/AVC. To avoid a large overhead to encode the seams, the seams are regrouped together and approximated. In this paper, after the approximation, the seams are resynthesized similarly...
This paper investigates the development o f a direct neuro-active vihration control (AVC) mechanism for vibration reduction ofa flexible plate structure. A multi layer perceptron (MLP) neuro-controller is designed to characterise the ideal controller characteristic using an online adaptation and training mechanism. The effectiveness ofthe MLP neurocontroller is then verified within the AVC syst...
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