...Lujia Yang; Anyan Jiang; Shunren Hu; Ziqi Pi Purpose Sensitivity and detection limit are the core indicators of gas sensors. This paper aims to present a method to prepare SnO₂ gas sensors with the desired fractal dimension. By adjusting the annealing temperature gradient and optimizing...

...Ahlem Benmerkhi; Mohamed Bouchemat Purpose This study aims to numerically investigate a compact two-dimensional photonic crystal (2D PhC) glucose sensor based on a dual-waveguide-coupled resonator structure to enhance sensing sensitivity, spectral stability and signal linearity for reliable...

...Saroja Rijal; Uda Hashim; M.N. Afnan Uda; M.N.A. Uda; Achmad Syaifudin; Widyastuti Purpose This review explores the advancement of biosensing technologies for emerging infectious disease detection, with an emphasis on COVID-19 pandemic. It aims to highlight the importance of sensitivity...

... to shift toward shorter wavelengths with increasing light intensity, resulting from a decrease in the refractive index of ZnO due to the Kerr effect. The resonance exhibited a sharp peak and minimal spectral broadening. The sensor demonstrated an average sensitivity of 203.9 nm/(MW/cm²...

...Anyan Jiang; Ruixue Wang; Shunren Hu; Lujia Yang; Ziqi Pi Purpose Sensitivity is one of the core indicators of gas sensors. This paper aims to provide a method for obtaining SnO₂ gas sensors with the optimal sensitivity and desired fractal dimension by adjusting the annealing parameters...

... vector hydrophone (DSVH) through the optimization of the bionic cilia structure to improve the sensitivity of the vector channel, increase response to low-frequency signals and achieve underwater long-distance signal detection. Design/methodology/approach First, solid mechanics and dry and wet modal...

...Zhong Jin; Feng He; Meng Zhou; Jinyu Li; Fang-Ting Liu; Junhui Li Purpose The purpose of this study is to explore simulation-based methods for enhancing the sensitivity of pressure-sensitive chips, aiming to reduce design time and overall development costs. Design/methodology/approach First...

..., including metal, cotton, plastic, aluminium, rubber and clay. The change in capacitance against the normal force applied was analysed to determine the sensitivity of each sensor for different materials and various force ranges. Findings Experimental results show that the sensitivity of the two types...

...Rukshana Bi Gajula; Sumit Kumar Jindal Purpose Touch mode capacitive pressure sensors (TMCPS) offer superior sensitivity and linearity in comparison to normal mode CPS and have therefore seen substantial improvements in modeling and construction. This study aims to develop a sensor that is highly...

... performance requirements in robot engineering applications, this paper aims to propose a Y-type six-axis force/torque sensor. Design/methodology/approach The performance indicators such as each component sensitivities and stiffnesses of the sensor were selected as optimization objectives...

... and the number of sawtooths. In addition, the impact of the lateral offset of the approaching graphite block is investigated. Findings It is found that sensitivity is improved with the increase of the main trunk with, sawtooth width and sawtooth number while a larger lateral offset leads to a decrease...

...Yanyan Shi; Fenglan Huang; Meng Wang; Yongheng Li Purpose To solve the problem of low sensitivity of traditional capacitive proximity sensor, this paper aims to propose a novel capacitive sensor for detection of an approaching conductor. Design/methodology/approach Five capacitive proximity...

... mV to 46.0 mV at 30°C and 97.0% RH. Tests at temperatures from 30°C to 50°C and humidity from 32.4% RH to 97.0% RH indicated that the output electromotive force (EMF) has a linear relationship with the logarithm of the oxygen concentration. The sensitivity of the sensor increases with an increase...

..., are proposed. Design/methodology/approach First, the finite element model of the sensor is established to analyze the influence of the reinforcement plate’s electromagnetic parameters on the crack identification sensitivity. Then, the crack monitoring accuracy test of sensors with two reinforcement methods...

...Li Hong; Jingyuan Wang; Jianxian Cai; Yuntian Teng; Zhongchao Qiu Purpose In response to the common low sensitivity of fiber Bragg grating (FBG) temperature sensors in measurement, an FBG temperature sensor sensitized in a substrate-type package structure is proposed. Design/methodology...

... as an indicator of food freshness, patients’ clinical state and fire detection. Therefore, the accurate monitoring and controlling of CO₂ levels are imperative. The development of highly sensitive, selective and reliable sensors that can efficiently distinguish CO₂ in various conditions...

... are performed using the SIESTA code. In addition, the non-equilibrium Green’s function method is used within the TranSIESTA code to determine the quantum transport properties of molecular nanodevices. Findings Simulation results show very good sensitivity of Pd-doped PEDOT:PSS to ammonia, carbon dioxide...

...Rui Wang; Chunlan Liu; Yong Wei; Yudong Su Purpose This paper aims to study the sensitivity enhancement effect of the gold nanorod on fiber surface plasmon resonance (SPR) sensor. It proposes modeling the sensing effects of fiber SPR sensor decorated with metal nanoparticles. By using simulation...

...), Spirometer (4 kPa -Differential pressure), etc. (Akay, 2006). In the above three cases, it could be noted that the task of design engineers is complicated, as they have to select a number of pressure sensors with the appropriate range and sensitivity that best suits the application. In designing...

...Chenggang Li; Weishan Song; Yong Song Purpose Six-axis force sensors play an important role in civilian and military fields because of their multifunctionality. In the context of sensor structure design, sensitivity and sensitivity isotropy are often considered. This paper aims to study...