Piezoelectric fans make use of the inverse piezoelectric effect to actuate the rotation of blades. These fans have the advantages of small size, low power consumption, and low noise output. In ... Read More

Using image capturing techniques, numerical calculations, and laser measurements, an optical measurement system for welding location and distance was constructed to replace the current need to re ... Read More

The conventional radio-frequency identification (RFID)-based access control system cannot prevent unauthorized personnel from following authorized personnel into a restricted area. Thus, securit ... Read More

A GaN ultraviolet (UV) photodetector with a metal-semiconductor-metal structure is grown on a periodic trapezoid-column patterned sapphire substrate by metalorganic chemical vapor deposition. Un ... Read More

In this study, a series of two full-scale experiments were carried out to investigate the effects of welding method on the fire resistance of concrete-filled box columns (CFBCs). The column spec ... Read More

In this paper, we provide a supervisory control strategy in conjunction with a programmable logic controller (PLC) and remote input/output (I/O) module to reduce the electrical power consumption ... Read More

Radio frequency identification (RFID) technology is one of the promising technologies enabling the realization of the Internet of Things. However, the current major application is limited to usi ... Read More

Strontium barium niobate (Sr0.3Ba0.7Nb2O6, SBN) thin films of good quality were deposited on silicon substrates by radio frequency magnetron sputtering at room temperature and under different dep ... Read More

Acoustic wave devices are divided into two categories: surface acoustic wave (SAW) and bulk acoustic wave (BAW) devices. To provide modification parameters during manufacturing, advanced modelin ... Read More

In this study, a series of Li0.058(Na0.535K0.480)0.966(Nb0.90Ta0.10)O3 (LNKNT) + (x)ZnO + (y)LiF (x = 0, 0.4, and 0.6 wt%; y = 0 and 0.2 wt%) lead-free piezoelectric ceramics were fabricated by a ... Read More

Handling measurement system noise and maneuvering noise is a major challenge in tracking systems. White noise is added to displacement and acceleration signals to simulate measurement system noi ... Read More

Traffic flow in cities is increasing rapidly as cities modernize. The problem of parking is getting worse and worse due to insufficient parking lots in large cities, and people are paying more a ... Read More

To reduce the cost of fuel and heat loss from pipe surfaces, insulation needs to cover pipes when high temperature fluids are transported through them. Mineral wool has not only low heat conduct ... Read More

In Taiwan, the current fire safety code is a prescriptive code. For some exhibition centers, it is very difficult to comply with the standard fire safety code. To solve this difficulty, it is n ... Read More

The issue of maximum torque per ampere (MTPA) and maximum torque per voltage (MTPV) control of an interior permanent magnet synchronous motor (IPMSM) is discussed in this paper. A position sensor ... Read More

In this study, the raw materials of BaCO3 and ZrO2 powders with different average diameters were used to prepare BaZrO3:Eu0.025 phosphors by the solid-state reaction method. The raw materials wi ... Read More

In this paper, an antenna design with a multiband and a small size for connecting a sensor network and the Internet has been proposed. The antenna has an antenna portion of 20 × 12 mm2 and a gr ... Read More

In this paper, we propose a low-profile and small wideband multiple-input multiple-output (MIMO) antenna for laptop device sensor network applications, which includes long term evolution (LTE)/wi ... Read More

In this report, we present a closed-loop motor control for a cylindrical collector to obtain continuous and uniform polyvinylidene fluoride (PVDF) piezoelectric nanofibers using near-field electr ... Read More

In this study, we report a close-loop motor control for a cylindrical collector to obtain continuous and uniform polyvinylidene fluoride (PVDF) piezoelectric fiber arrays using near-field electro ... Read More

In recent years, concrete-filled box columns (CFBCs) have been commonly used in high-rise buildings. In particular, steel box columns filled with high-performance concrete (HPC) are more common ... Read More

In this research, we used anodic aluminum oxide (AAO) nanoporous membranes to produce high-density and high-regularity zinc–indium oxide nanowires, and in the process, the production control pa ... Read More