A software and hardware system for synchronous control of the optical system for visual control of dynamic objects

This work deals with the development of the software for the system of synchronous control of the optical system of visual control over dynamic objects and the creation of algorithms for resolving conflicts of simultaneous illumination by several light sources. The software for the microcontroller for the system hardware is created as part of the work. An application for remote configuration of the device is developed. Algorithms for time-separation of signals for switching on lighting are implemented.

Evaluation of Different Interstimulus Rinse Protocols on Smoke Attribute Perception in Wildfire-Affected Wines

Wildfires produce smoke that can carry organic compounds to a vineyard, which are then absorbed by the grape berry and result in wines with elevated levels of smoke-related phenols. These phenols have been found to have a large impact on the flavor of wines, being the cause of a smokey flavor with a lasting ashy aftertaste. When evaluating the sensory profile of these wines, there is an observed problem due to the lasting nature of these undesirable attributes and potential flavor carryover between samples. Through the use of standard and temporal attribute check-all-that-apply, this research desires to better understand the impact of smoke on the sensorial profiles of wines with various levels of smoke phenols (high, moderate, and low). Additionally, through the employment of different interstimulus protocols, the effectiveness of rinses on diminishing the smoke flavor in wines and optimal time separation were investigated. It was determined that a 1 g/L pectin rinse in between samples with a 120 s separation is optimal to ensure the removal of smoke attribute perception. This work also indicated the need to look deeper at the effects of the in-mouth hydrolysis of glyconjugate phenols that impact overall smoke flavor.

Calculation and Analysis of Aircraft Pollutant Emission Based on Time Wake Separation Mode under Coastal Airport and Headwind Conditions

During the final approach, the headwind leads to a reduction of landing rate, which affects the achieved capacity and the predictability of operation, time, fuel efficiency, and environmental pollution. Under headwind conditions, ground speed decrease results in increased flight time. Time-based separation (TBS) changes the separation rule of the final approach, which changes the distance separation between two aircrafts into a time separation. This paper introduces the time-based separation (TBS) based on the distance-based separation (DBS). According to the aircraft landing schedule of each airport, the ICAO (International Civil Aviation Organization) aircraft engine emission database, Boeing Fuel Flow Method 2 (BFFM2), and meteorological data of Pu-dong airport, this study uses the modified P3-T3 aviation pollutant emission model to calculate, respectively, the fuel consumption and pollutant emissions based on distance separation mode and time separation mode. According to the calculation results, TBS operation mode can save 32.52%, 19.12%, and 30.41% fuel, reduce 28.93%, 17.9%, and 29.29% CO, 31.02%, 19.36%, and 33.78% HC, 30.85%, 16.42%, and 28.67% NOx, respectively, compared with the DBS operation mode at three stages of the day. It ends that TBS has an obvious optimization effect on fuel consumption and pollutant emission compared with DBS from data.

Sensitivity Analysis of Schlieren-PIV System for Simultaneous Measurement of Flow and Temperature Field of a Free Convective Flow inside a Cubic Cavity

Fluid flows characterized by density variations have been studied using the schlieren-PIV system. The knife-edge location plays a crucial role in determining the system's sensitivity, which significantly affects the accuracy of the measured quantities. Further, the optimum knife-edge position and the correct combination of image recording speed and interrogation window size is desirable for achieving the most accurate and reliable results. The present paper discusses the above issues on the measured quantities, such as temperature field, local Nusselt number distribution along the conducting walls, average Nusselt number, and velocity field. The experiment is performed to investigate laminar and steady natural convective flow in a water-enclosed cubic cavity with left hot and right cold walls. The analysis is undertaken for various knife-edge position (0-90%), different image time separation varying (20-200 ms) and interrogation window size using two passes varying from W1 = 32 pixels, W2 = 16 pixels to W1 = 128 pixels, W2 = 64 pixels. The results are presented for two distinct Rayleigh number, 1 × 108 and 3 × 108. Three-dimensional simulations have been carried out to check the fidelity of the experiment for Ra = 1 × 108. A high dynamic range of temperature is obtained for the range of knife-edge position in 50-65% while a high velocity range is realized for knife-edge cut-off of 65% and combination of image time separation of Δt = 100 ms and interrogation window size with two passes of W1 = 64 pixels followed by W2 = 32 pixels.

Pedestrian crossing in crossroads with exclusive pedestrian phase - world experiences

Pedestrians are one of the most endangered and vulnerable groups of participants in traffic. In order to increase their safety, different kinds of management measures are applied. Exclusive pedestrian phase represents a measure from a group of technical traffic regulations and implies complete time separation of pedestrian flow from wheel flow. The object of this paper is to analyse world experience in applying exclusive pedestrian phase in order to understand effects on safety of pedestrians in traffic and to apply it in our conditions.

Optimal results in Lorentzian Aubry–Mather theory

This article complements the Lorentzian Aubry–Mather Theory in Suhr (Geom Dedicata 160:91–117, 2012; J Fixed Point Theory Appl 21:71, 2019) by giving optimal multiplicity results for the number of maximal invariant measures. As an application the optimal Lipschitz continuity of the time separation on the Abelian cover is established.

A structured approach to measuring and optimizing the organizational architecture in global product development projects

In global product development projects, coordinating complex technical communication among teams across time zones in the overlapping process is a fundamental challenge. To optimize a global product development organization to reduce the negative impact of time separation on coordination, this article presents an innovative approach to solve two key problems: how to quantify the coordination among distributed teams and how to identify efficient global product development organization. We build structural models to capture the coordination dependency strength among global product development teams from the time separation and overlapping process perspectives, employing the design structure matrix method. Then, we analyze the factors that influence synchronous and asynchronous communication due to time separation. We also apply the random walk method to identify a team similarity matrix, taking into account the direct and indirect dependency relationships among teams associated with their performed activities. Finally, we use the team similarity matrix as an input to a spectral clustering algorithm to identify the clustering strategy for the global product development organizational architecture, yielding and reinforcing several managerial insights, including how to analyze the coordination among global product development teams as well as how the offshoring costs impact the clustered organization.