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Journal articles on the topic 'Multi-Channel Temperature'

Author: Grafiati

Published: 5 June 2025

Last updated: 16 July 2025

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Bondar, O. G., E. O. Brezhneva, and P. S. Rodionov. "Multi-channel temperature converter." Izvestiâ vysših učebnyh zavedenij. Priborostroenie 65, no. 4 (2022): 254–61. http://dx.doi.org/10.17586/0021-3454-2022-65-4-254-261.

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Nattarasu, V., R. D. Sudhaker Samuel, and A. Prakashan. "Multi Channel Temperature Controller." IETE Technical Review 6, no. 3 (1989): 190–95. http://dx.doi.org/10.1080/02564602.1989.11438471.

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Zhou, Junhu, Jie You, Hao Ouyang, Runlin Miao, Xiang’ai Cheng, and Tian Jiang. "Temperature insensitive multi-channel light amplification systems on SOI platform." Chinese Optics Letters 20, no. 8 (2022): 081301. http://dx.doi.org/10.3788/col202220.081301.

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Xin Chang, Xin Chang, Bo Zang Xin Chang, Peng Gao Bo Zang, Xiaoke Li Peng Gao, Zongmin Zhao Xiaoke Li, and Ao Ye Zongmin Zhao. "An Average Temperature Feedback based PID Controller for Multi-Channel Balanced Heating in Thermal Vacuum Test." 電腦學刊 35, no. 5 (2024): 149–67. http://dx.doi.org/10.53106/199115992024103505011.

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With the development of aerospace technology, many devices under test (DUTs) in thermal vacuum tests require balanced heating. However, traditional PID controllers mostly focus on single-channel independent control, lacking effective solutions for the mutual influence among multiple channels. This paper proposes a PID controller based on average temperature feedback to address the issue of temperature imbalance in multi-channel heating. Firstly, this method calculates the difference between each channel&rsquo;s temperature and the average of all channels&rsquo; temperature, and then feeds the difference into the input of the PID controller to real-time adjust the heating rates for each channel, ensuring balanced overall heating. Secondly, by detecting whether each channel has reached the lower limit of the set temperature range, the opportunity to exit the average temperature feedback is provided. Finally, a temperature acquisition and control synchronization system based on the EtherCAT network was built, providing an experimental platform for validating the proposed method. Through simulation and experimental validation, the proposed method not only reduces temperature difference among channels during the heating process, but also enhances the overall stability and robustness of the system. This makes it an effective solution for achieving precise thermal control in complex multi-channel environments. &nbsp;

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He Qixin, 何启欣, 刘慧芳 Liu Huifang, 李. 彬. Li Bin, 郑传涛 Zheng Chuantao, and 王一丁 Wang Yiding. "Multi-Channel Semiconductor Laser Temperature Control System." Acta Optica Sinica 37, no. 11 (2017): 1114002. http://dx.doi.org/10.3788/aos201737.1114002.

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Wang, Huaxiang, Tinxian Xu, Shuying Zhang, and Tianlin Lu. "A multi-channel temperature and humidity monitor." Measurement Science and Technology 4, no. 2 (1993): 164–69. http://dx.doi.org/10.1088/0957-0233/4/2/005.

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Wang, Shou Bin, Wei Gong, Gang Su, and Hong Yue Sun. "Multi-Channel Temperature Detecting System Based on AT89S52." Applied Mechanics and Materials 303-306 (February 2013): 382–85. http://dx.doi.org/10.4028/www.scientific.net/amm.303-306.382.

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There arc many occasions we need to test its temperature in real time. This design is mainly studied the establishment and application of multi-channel temperature measurement system. In this paper, the authors introduce a multi-channel temperature detecting system which has a core of single-chip controller. The system measures the temperature by the temperature sensor, displays the temperature and deals with it on real time.The temperature detection system hardware circuit is simple, low cost, convenient temperature measurement, high measuring precision, and has better use value. The system is suitable for common occasions of multi-channel temperature measure, has great potential for development and practical significance．

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Wu, Xiao Bing. "Research of Multi-Channel Hygrothermoscope Acquiring System." Applied Mechanics and Materials 214 (November 2012): 177–82. http://dx.doi.org/10.4028/www.scientific.net/amm.214.177.

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The paper introduces a multipoint remote Hygrothermoscope monitoring system based on the MAX485 bus. The system of remote multipoint temperature control is composed of the host machine and slave machine; the host system for display and control, the slave system is responsible for collecting temperature data. Between master machine and slave machine communicate through the RS-485 bus, can realize the distant control room of the scene monitoring. The STC89C54 MCU is used as the controller and DHT11 is used as the temperate and humidity transducer. The hardware and software of the system are outlined. The system has realized multiple measuring points, easy expansion, and high reliability, anti-interference. The whole system has the advantages of simple circuit, reliable, and can be used for measuring temperature, humidity, temperature of building air conditioning control temperature and humidity monitoring and other fields.

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Xu, Shanglong, Weijie Wang, Zongkun Guo, Xinglong Hu, and Wei Guo. "A multi-channel cooling system for multiple heat source." Thermal Science 20, no. 6 (2016): 1991–2000. http://dx.doi.org/10.2298/tsci140313123x.

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High-power electronic devices with multiple heating elements often require temperature uniformity and operating within their functional temperature range for optimal performance. A multi-channel cooling experiment apparatus is developed for studying heat removal inside an electronic device with multiple heat sources. It mainly consists of a computer-controlled pump, a multi-channel heat sink for multi-zone cooling and the apparatus for measuring the temperature and pressure drop. The experimental results show the system and the designed multi-channel heat sink structure can control temperature distribution of electronic device with multiple heat sources by altering coolant flow rate.

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Liang, Xiyin, Miao Cai, Muqi Ma, Xiao Lu, Peng Fu, and Ke Li. "FPGA-based multi-channel thermocouple temperature measurement system." Journal of Physics: Conference Series 2290, no. 1 (2022): 012038. http://dx.doi.org/10.1088/1742-6596/2290/1/012038.

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Abstract Aiming at the high and low temperature test requirements of spacecraft before being sent into space, this paper designs and implements a multi-channel thermocouple temperature measurement system based on FPGA.The system adopts thermocouple as temperature sensor, and ADT7310 is used as thermocouple cold junction temperature compensation, which solves the problem of thermocouple cold junction compensation better.The front end adopts AD7193, a 24-bit analog-to-digital converter with low noise, multi-channel and low power consumption, to amplify and A/D convert the signal at measuring junction of thermocouple.The control core is a field programmable logic gate array FPGA, which can better solve the problem of parallel processing of multi-channel temperature signals. At the same time, it uses the transposition method of the thermocouple standard graduation table, the interpolation look-up table algorithm and the cold junction compensation reverse look-up table algorithm, which is effective The temperature measurement accuracy of each channel is improved.The experimental results show that the system can be connected to 24 K-type or T-type thermocouple sensors, the measurement range can reach -200°C∼220°C (73.15K∼493.15K), and the relative error is less than ±0.3%F.S.

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Jeon, Hyeonchang, Seokmoo Hong, Jinwon Yun, and Jaeyoung Han. "Cooling Strategy Optimization of Cylindrical Lithium-Ion Battery Pack via Multi-Counter Cooling Channels." Energies 16, no. 23 (2023): 7860. http://dx.doi.org/10.3390/en16237860.

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This study focused on the design of a battery pack cooling channel based on a Tesla Model S electric car. This study aimed to achieve a balance between cooling efficiency and pressure drop while maintaining safe and optimal operating temperatures for the batteries. A cooling channel design similar to the basic type employed in the Tesla Model S using 448 cylindrical Li-ion batteries was considered. Consequently, important parameters, such as the maximum temperature and temperature difference in the battery cells in a module, as well as the pressure drop of the coolant, were analyzed. In addition, the characteristics of the temperature changes in each cooling channel shape were investigated. The temperature limit for the battery in a module and the temperature limit difference were set to 40 °C and 5 °C, respectively, to evaluate the performance of the cooling system. Further, the effects of discharge rates (3C and 5C), cooling channel shapes (counter flow and parallel types), and coolant inlet velocities (0.1, 0.2, 0.3, and 0.4 m/s) on battery thermal management were analyzed. The results revealed that the parallel type channel yielded a lower pressure drop than the basic type channel; however, it was not as effective in removing heat from the battery. In contrast, the counter flow type channel effectively removed heat from the batteries with a higher coolant pressure drop in the channel. Therefore, a multi-counter flow type cooling channel combining the advantages of both these channels was proposed to decrease the pressure drop while maintaining appropriate operating temperatures for the battery module. The proposed cooling channel exhibited an excellent cooling performance with lower power consumption and better heat transfer characteristics. However, relatively minimal differences were confirmed for the maximum temperature and temperature difference in the battery module compared with the counter flow type. Therefore, the proposed cooling channel type can be implemented to ensure the optimal temperature operation of the battery module and to decrease system power consumption.

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Novichikhin, Evgeny P., Alexander G. Gudkov, Igor A. Sidorov, Sergey V. Chizhikov, Vitaly Yu Leushin, and Svetlana V. Agasieva. "The improved algorithm for human body internal temperature calculating by multi-frequency radiothermography method." Radioelectronics. Nanosystems. Information Technologies. 14, no. 1 (2022): 79–86. http://dx.doi.org/10.17725/rensit.2022.14.079.

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An improved algorithm for calculating the temperature and depth of a cancerous tumor in the depth of the human body by the method of multi-frequency multi-channel radiothermography is considered. An improved model is presented to describe the processes of receiving the human body's own radiothermal field by a multi-channel multi-frequency radiothermograph. The possibility of simultaneous calculation of temperature, the depth of the location under the skin and the size of the tumor is analyzed. The conditions for determining these values depending on the parameters of the tumor and the radiothermograph are investigated. The maximum possible depth of tumor detection is determined depending on the parameters of the radiothermograph and the thermal contrast in the source. The necessity of increasing the number of frequency ranges of the radiothermograph is justified. The results of calculating brightness temperatures at different depths of occurrence and tumor temperature are presented in the framework of an improved model.

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Srisomba, Raviwat, Lazarus Asirvatham, Omid Mahian, Ahmet Dalkılıç, Mohamed Awad, and Somchai Wongwises. "Air-side performance of a micro-channel heat exchanger in wet surface conditions." Thermal Science 21, no. 1 Part A (2017): 375–85. http://dx.doi.org/10.2298/tsci150906227s.

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The effects of operating conditions on the air-side heat transfer, and pressure drop of a micro-channel heat exchanger under wet surface conditions were studied experimentally. The test section was an aluminum micro-channel heat exchanger, consisting of a multi-louvered fin and multi-port mini-channels. Experiments were conducted to study the effects of inlet relative humidity, air frontal velocity, air inlet temperature, and refrigerant temperature on air-side performance. The experimental data were analyzed using the mean enthalpy difference method. The test run was performed at relative air humidities ranging between 45% and 80%; air inlet temperature ranges of 27, 30, and 33?C; refrigerant-saturated temperatures ranging from 18 to 22?C; and Reynolds numbers between 128 and 166. The results show that the inlet relative humidity, air inlet temperature, and the refrigerant temperature had significant effects on heat transfer performance and air-side pressure drop. The heat transfer coefficient and pressure drop for the micro-channel heat exchanger under wet surface conditions are proposed in terms of the Colburn j factor and Fanning f factor.

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Li, Fubing, Linhao Yang, Ao Ye, Zongmin Zhao, and Bingxia Shen. "Grouping Neural Network-Based Smith PID Temperature Controller for Multi-Channel Interaction System." Electronics 13, no. 4 (2024): 697. http://dx.doi.org/10.3390/electronics13040697.

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The thermal vacuum test (TVT) is an important verification process in the development of spacecraft and load. There are often multiple temperature points on the device under test (DUT) that require control. The interaction among multiple channels poses a challenge for temperature control in the TVT. To solve this problem, a multi-channel Smith proportional–integral–derivative (PID) controller based on a grouping neural network (Grouping-NN) is proposed. Firstly, the mathematical derivation for a typical multi-channel temperature control model of the TVT is carried out. Then, the multi-channel interaction system is identified using a Grouping-NN to predict the output temperature of each channel by grouping the hidden layer neurons according to the number of channels. Finally, two Grouping-NNs are utilized to update the Smith predictor, and the time-delay error is fed back to the PID controller, which is used to optimize the control effect of the multi-channel interaction system under high time delay. The proposal is compared with the traditional PID controller and Smith predictor-based PID controller through simulation. The simulation results show that the proposed method has better suppression of overshooting. In addition, the algorithm is verified by controlling the temperature of six channels in a practical thermal vacuum test.

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Wang, Zhi, and Wei Xiang. "Design of Highly Efficient Multi-Point&Multi-Channel Temperature Acquisition System." Advanced Materials Research 753-755 (August 2013): 2095–98. http://dx.doi.org/10.4028/www.scientific.net/amr.753-755.2095.

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To achieve a high speed multi-point temperature acquisition with a low cost,this paper used the methods as following:In the aspect of hardware,adopted “multi-point&multi-channel” structure(detailed content in main text);In software aspect,by a parallel synchronous fast reading algorithm, this achieved efficient processing.The program learned from the operating system interrupt algorithm to optimize the interrupt program. By experiment, the system achieved the effect of concurrent reading, realized the efficient and precise system operation.

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Muhammad, Faisal Buland Iqbal, Abbasi Reshail, Sultan Faiz, and Bano Shehar. "Design and Implementation of a Multi-Channel Temperature Measurement System Based on LabVIEW." International Journal of Current Science Research and Review 06, no. 06 (2023): 3091–109. https://doi.org/10.5281/zenodo.7996714.

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  Abstract : As computer technology and instrument technology advance rapidly, both virtual instrument and Lab-VIEW have significantly grown. LabVIEW is extensively employed in the industrial and academic sectors for developing data acquisition systems, instrument control software, and analysis software. This paper presents the design of a multi-channel temperature measurement system based on a single-chip CPU and LabVIEW. The system consists of analog-to-digital conversion modules, temperature measurement modules, and data acquisition modules. The system uses the Nyquist-Shannon sampling theorem and the advantages of various digital filter types to obtain temperature uncertainty, including the compensation uncertainty of the reference junction. The system is of high quality in measuring accuracy, stability, scalability and other aspects. The complete system was inspected and verified using a superconducting magnetic energy storage device (SMES). The results demonized the ease of construction, practicality and precise regulation of the system. These results also show that temperature measurement devices are less than 0.1°C absolute error and are highly accurate, making them valuable for applications that require precise temperature measurements.

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Wang, Huan, Qinghua Zeng, Zongyu Zhang, and Hongfu Wang. "Research on Temperature Compensation of Multi-Channel Pressure Scanner Based on an Improved Cuckoo Search Optimizing a BP Neural Network." Micromachines 13, no. 8 (2022): 1351. http://dx.doi.org/10.3390/mi13081351.

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A multi-channel pressure scanner is an essential tool for measuring and acquiring various pressure parameters in aerospace applications. It is important to note, however, that the pressure sensor of each of these channels will drift significantly with the increase in the temperature range of the pressure measurement, and the output voltage of each of these channels will show nonlinear characteristics, which will constrain the improvements in the accuracy of the measurement. In the regression fitting process, it is difficult to fit nonlinear data with the traditional least-squares method, which leaves pressure measurement accuracy unsatisfactory. A temperature compensation method based on an improved cuckoo search optimizing a BP neural network for a multi-channel pressure scanner is proposed in this paper to improve pressure measurement accuracy in a wide temperature range. Using the chaotic simplex algorithm, we first improved the cuckoo search algorithm, then optimized the connection weights and thresholds of the BP neural network, and finally constructed an experimental calibration system to investigate the temperature compensation of the multi-channel pressure scanning valves in the −40 °C to 60 °C temperature range. The compensation test results show that the algorithm has a better compensation effect and is more suitable for the temperature compensation of multi-channel pressure scanners than the traditional least-squares method and the standard RBF and BP neural networks. The maximum full-scale error of all 32 channels is 0.02% FS (full-scale error) and below, which realizes its high-accuracy multi-point pressure measurement in a wide temperature range.

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Jain, F., R. H. Gudlavalleti, R. Mays, B. Saman, J. Chandy, and E. Heller. "Modeling of Quantum Dot Channel (QDC) Si FETs at Sub-Kelvin for Multi-State Logic." International Journal of High Speed Electronics and Systems 29, no. 01n04 (2020): 2040017. http://dx.doi.org/10.1142/s0129156420400170.

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Multi-state room temperature operation of SiOx-cladded Si quantum dots (QD) and GeOx-cladded Ge quantum dot channel (QDC) field-effect transistors (FETs) and spatial wavefunction switched (SWS)-FETs have been experimentally demonstrated. This paper presents simulation of cladded Si and Ge quantum dot channel (QDC) field-effect transistors at 4.2°K and milli-Kelvin temperatures. An array of thin oxide barrier/cladding (∼1nm) on quantum dots forms a quantum dot superlattice (QDSL). A gradual channel approximation model using potential and inversion layer charge density nQM, obtained by the self-consistent solution of the Schrodinger and Poisson’s equations, is shown to predict I-V characteristics up to milli-Kelvin temperatures. Physics-based equivalent circuit models do not work below 53°K. However, they may be improved by adapting parameters derived from quantum simulations. Low-temperature operation improves noise margins in QDC- and SWS-FET based multi-bit logic, which dissipates lower power and comprise of fewer device count. In addition, the role of self-assembled cladded QDs with transfer gate provides a novel pathway to implement qubit processing.

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Song, Jiangnan, Ying Huang, Yi Liu, et al. "Numerical Investigation and Optimization of Cooling Flow Field Design for Proton Exchange Membrane Fuel Cell." Energies 15, no. 7 (2022): 2609. http://dx.doi.org/10.3390/en15072609.

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High temperatures and non-uniform temperatures both have a negative bearing on the performance of proton exchange membrane fuel cells. The temperature of proton exchange membrane fuel cells can be lowered by reasonably distributed cooling channels. The flow field distribution of five different cooling plates is designed, and the temperature uniformity, pressure drop and velocity of each cooling flow field are analyzed by computational fluid dynamics technology. The results show that while the pressure drop is high, the flow channel distribution of a multi-spiral flow field and honeycomb structure flow field contribute more to improving the temperature uniformity. As the coolant is blocked by the uniform plate, it is found that although the flow field channel with a uniform plate has poor performance in terms of temperature uniformity, its heat dissipation capacity is still better than that of the traditional serpentine flow field. The multi-spiral flow field has the strongest ability to maintain the temperature stability in the cooling plate when the heat flux increases. The increase in Reynolds number, although increasing the pressure drop, can reduce the maximum temperature and temperature difference of the flow field, ameliorate the temperature uniformity and improve the heat transfer capacity of the cooling plate.

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Masnicki, Romuald, and Dariusz Swisulski. "Multi-Channel Virtual Instrument for Measuring Temperature—A Case Study." Electronics 12, no. 10 (2023): 2188. http://dx.doi.org/10.3390/electronics12102188.

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The article presents the hardware and software configuration of the developed multi-channel temperature measurement system as well as calibration procedures and measurement results verifying the properties of measurement channels. The system has been developed and dedicated primarily for measuring the temperature distribution in a laboratory model simulating underground power lines. With the adopted configuration of the analog part of each measurement channel, the main functions in the system developed as a virtual instrument are performed in its software. The instrument input circuits contain NTC (negative temperature coefficient) thermistors used as temperature sensors. The resistance of each of the thermistors connected in the voltage divider circuits is converted into a voltage. The obtained voltages in the measurement channels, after analog-to-digital conversion (ADC), are processed in subsequent operations in the instrument’s software. In addition to the basic function of the device, which is the multi-channel temperature measurement, the operations of identifying the characteristics of the thermistors used and calibrating each of the individual measurement channels are performed. The article contains sample results of the calibration of measurement channels and temperature verification measurements used to evaluate the properties of the developed system. The obtained inaccuracy of the temperature measurement in each of the channels is less than 0.4 °C.

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Dong, Li Li, and Gang Qin. "Design of Multi-Channel Temperature Acqusition System Based on MSP430." Applied Mechanics and Materials 130-134 (October 2011): 4135–38. http://dx.doi.org/10.4028/www.scientific.net/amm.130-134.4135.

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The design of multi-channel temperature acquisition system based on MSP430 and temperature sensor DS18B20 is presented in this paper. The simulation can be realized by using Proteus. The system has the following advantages: the structure of system is specific; the circuit is simple and it’s easy to control. The system can complete the acquisition and display of multi-channel temperature, it also has other functions such as transferring data to PC, etc. The simulation shows that the system is low cost, high reliability and high practical value.

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Jiang, Yuqi, Yang Liu, Yuxiong Xue, Wei Jiang, and Seiji Hashimoto. "Target Tracking Two Degrees of Freedom State Feedback Control for Continuous Flow Microfluidic Chips Temperature Controller." Processes 12, no. 6 (2024): 1108. http://dx.doi.org/10.3390/pr12061108.

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Microfluidic chips represent a cutting-edge technology for manipulating fluids within micrometer-scale spaces and are gradually becoming a new favorite platform in life science research. Precise and fast zonal temperature control is essential for accelerating biological experiments. However, current multi-channel temperature controllers typically rely on multiple channel sets to achieve single set-point control, which results in discrepancies between the fluid temperature distribution and sensor temperature due to the distributed temperature field in the fluid channel. To estimate the actual temperature and implement gradient temperature control, this paper introduces an extension of the target tracking (TT) two degrees of freedom (2DOF) state feedback control (SFC) method, followed by a presentation of simulation and experimental results. Through comparisons with an enhanced PID system in both simulation and experimentation, the paper demonstrates an 8.96% reduction in the maximum temperature difference across different regions and a 27.89% decrease in the time taken to reach various temperatures. This solution effectively addresses the existing challenges in temperature control for microfluidic chips, offering a more precise and stable control within the desired temperature range.

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Yousif, Atalla, Hashim Yasir, and Nasir Abd Ghafar Abdul. "The impact of channel fin width on electrical characteristics of Si-FinFET." International Journal of Electrical and Computer Engineering (IJECE) 12, no. 1 (2022): 201–7. https://doi.org/10.11591/ijece.v12i1.pp201-207.

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This paper studies the impact of fin width of channel on temperature and electrical characteristics of fin field-effect transistor (FinFET). The simulation tool multi-gate field effect transistor (MuGFET) has been used to examine the FinFET characteristics. Transfer characteristics with various temperatures and channel fin width (W F =5, 10, 20, 40, and 80 nm) are at first simulated in this study. The results show that the increasing of environmental temperature tends to increase threshold voltage, while the subthreshold swing (SS) and drain-induced barrier lowering (DIBL) rise with rising working temperature. Also, the threshold voltage decreases with increasing channel fin width of transistor, while the SS and DIBL increase with increasing channel fin width of transistor, at minimum channel fin width, the SS is very near to the best and ideal then its value grows and going far from the ideal value with increasing channel fin width. So, according to these conditions, the minimum value as possible of fin width is the preferable one for FinFET with better electrical characteristics.

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Ul Haq, Ehtsham, Zain Ali, Muhammad Tuoqeer Anwar, et al. "The performance evaluation of monocrystalline PV module by using water-channel cooling technique with forced convection." Thermal Science and Engineering 8, no. 1 (2025): 10925. https://doi.org/10.24294/tse10925.

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The power and efficiency of the monocrystalline PV module increase by reducing its panel temperature. It depends on the solar irradiance and the operating temperature of the PV module. Due to an increase in the operating temperature of the PV module, the efficiency decreases. As the temperature rises, the power output of the PV module also decreases. To improve the efficiency of the PV module, two different cooling techniques are investigated in this paper, i.e., the water channel cooling technique and the water-channel cooling technique accompanied with forced convection. In the water-channel cooling technique, copper pipes with serpentine and multi-inlet outlet arrangements are utilized at the backside of the mono-crystalline PV module, and the water is passed through pipes, while in water-channel cooling along with forced convection, the copper pipes with serpentine and multi-inlet outlet arrangements along with fans are employed. It is observed that the multi-inlet-outlet arrangement is more efficient as compared to the serpentine arrangement owing to the better heat transfer between the cooling media and the PV module. The experimental results demonstrate an increase in power output and efficiency realized through the reduction in operating temperature of the PV module and thus improving the open circuit voltage.

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Wen, Li Mei. "Application of Wireless Communication in Multi-Channel Temperature Control System." Applied Mechanics and Materials 397-400 (September 2013): 1918–22. http://dx.doi.org/10.4028/www.scientific.net/amm.397-400.1918.

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In the technology of temperature measurement, the sensor is an important part of system. But with the increase of the number of sensors, it will undoubtedly bring with a lot of data cable. Compared with wired communication technology, wireless communications technology has the advantages of low cost, simple structures, low impact of environment. So the wireless communication technology meeting with the requirements of data communications has become a more practical, fast and efficient way. This paper describes a multi-channel temperature monitoring system using nRF905 wireless transmission module, STC89C52RC MCU and DS18B20 temperature sensor as core. Functions such as sampling, analysis, display, alarm and others can be done automatically by the system, dates transmitted by wireless module, and the system can realize the function of real-time monitoring of temperature.

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Amira, Osama, A. Tag El-Dien Heba, A. Aziz El-Banna Ahmad, and S. Tag El-Dien Adly. "Noise uncertainty effect on multi-channel cognitive radio networks." International Journal of Electrical and Computer Engineering (IJECE) 10, no. 5 (2020): 4818–23. https://doi.org/10.11591/ijece.v10i5.pp4818-4823.

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Achieving high throughput is the most important goal of cognitive radio networks. The main process in cognitive radio is spectrum sensing that targets getting vacant channels. There are many sensing methods like matched filter, feature detection, interference temperature and energy detection which is employed in the proposed system; however, energy detection suffers from noise uncertainty. In this paper a study of throughput under noise fluctuation effect is introduced. The work in this paper proposes multi-channel system; the overall multi-channel throughput is studied under noise fluctuation effect. In addition, the proficiency of the network has been examined under different number of channels and sensing time with noise uncertainty.

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Lin, Yidi, and Guoqiang Zhong. "A Multi-Channel LSTM Model for Sea Surface Temperature Prediction." Journal of Physics: Conference Series 1880, no. 1 (2021): 012029. http://dx.doi.org/10.1088/1742-6596/1880/1/012029.

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Zang, Xue Yan. "Design of Multi-Channel Temperature and Humidity Sensor Acquiring System." Applied Mechanics and Materials 329 (June 2013): 378–81. http://dx.doi.org/10.4028/www.scientific.net/amm.329.378.

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In this paper, the design of remote multi-point temperature and humidity control system consists of two parts of the master and slave, Responsible for the display and control of the host system. Responsible for the collection of temperature data and humidity data from the local system, Between the master and slave data transmission RS-485 communication interface chip, can be realized in a remote control room to monitor the scene of multiple monitoring points.

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Hashim, Yasir, and Safwan Mawlood Hussein. "Temperature Characteristics of Nano-Dimensional FinFET with P Type GaP Semiconductor Channel Based on ION/IOFF and Subthreshold Swing (SS)." AIUB Journal of Science and Engineering (AJSE) 23, no. 3 (2024): 209–13. https://doi.org/10.53799/ajse.v23i3.1002.

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This study discusses the effects of working temperature on the GaP-FinFET structure. Using the Multi-Gate Field Effect Transistors (MuGFET) simulation tool, the properties of FinFET have been generated over a temperature range of T=0 °C to T=125 °C. First, the structure of P-channel GaP-FinFET with such temperature vary and constant channel Fin parameters are simulated to find their current-voltage characteristics. The higher ΔI at the applied voltage inside the -0.7 to -1 V gate voltage range of the P-channel GaP-FinFET work as a temperature sensor in nano dimensions. The highest ∆I and sensitivity of temperature for P-channel GaP-FinFETs happen at Vg=-1 V, although the SS and ION/IOFF deteriorate as the working temperature rises.

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BAI, Xiaohui, Yuanbo GAO, Yubi ZHANG, and Cunliang LIU. "Study on multi-channel air cooling thermal management of prismatic power battery pack." Xibei Gongye Daxue Xuebao/Journal of Northwestern Polytechnical University 42, no. 2 (2024): 260–68. http://dx.doi.org/10.1051/jnwpu/20244220260.

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In this paper, a multi-channel air cooling method has been proposed for the prismatic power battery thermal management system by separating the original one channel into several using windshield, enhancing the heat dissipation capacity of the traditional air cooling system, improving the temperature uniformity of the battery pack. In this study, the temperature increment of the lithium cobalt oxide battery caused by the discharging and the relationship between the electric resistance and the depth of discharge (DOD) have been observed experimentally, furthermore, the cooling characteristics of the multi-channel thermal management system has been studied numerically. As a result, the heat dissipation effectiveness of 3 channels U type cooling system has been found is superior to others. For instance, the maximum temperature and the maximum temperature difference decrease 8.4 K and 12.4 K respectively for the 0.5 m/s air flow velocity, whereas for the case of 5 m/s air flow velocity, both the above 2 values decrease 5.3 K. The maximum temperature and the maximum temperature difference of the battery pack maintain a value in a reasonable range.

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Atalla, Yousif, Yasir Hashim, and Abdul Nasir Abd. Ghafar. "The impact of channel fin width on electrical characteristics of Si-FinFET." International Journal of Electrical and Computer Engineering (IJECE) 12, no. 1 (2022): 201. http://dx.doi.org/10.11591/ijece.v12i1.pp201-207.

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This paper studies the impact of fin width of channel on temperature and electrical characteristics of fin field-effect transistor (FinFET). The simulation tool multi-gate field effect transistor (MuGFET) has been used to examine the FinFET characteristics. Transfer characteristics with various temperatures and channel fin width (WF=5, 10, 20, 40, and 80 nm) are at first simulated in this study. The results show that the increasing of environmental temperature tends to increase threshold voltage, while the subthreshold swing (SS) and drain-induced barrier lowering (DIBL) rise with rising working temperature. Also, the threshold voltage decreases with increasing channel fin width of transistor, while the SS and DIBL increase with increasing channel fin width of transistor, at minimum channel fin width, the SS is very near to the best and ideal then its value grows and going far from the ideal value with increasing channel fin width. So, according to these conditions, the minimum value as possible of fin width is the preferable one for FinFET with better electrical characteristics.

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Yin, You, and Sumio Hosaka. "Proposed Phase-Change Memory with a Step-Like Channel for High-Performance Multi-State Storage." Key Engineering Materials 459 (December 2010): 145–50. http://dx.doi.org/10.4028/www.scientific.net/kem.459.145.

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Lateral rectangular (R-) and step-like (S-) channel phase-change memory (PCM) cell structures are numerically analyzed for multi-state storage based on their temperature distributions and their programming characteristics. The S-PCM cell is characterized by the sequentially melted sub-channel and step-like programming characteristics. From the viewpoint of the performance for multi-state storage, the step-like characteristics indicate high controllability for its application of multi-state storage.

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Ma, Zhi Gang, and Wen Yi Liu. "Design of Data Acquisition System Based on PXI Bus and VC++2008." Advanced Materials Research 712-715 (June 2013): 2702–5. http://dx.doi.org/10.4028/www.scientific.net/amr.712-715.2702.

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In order to satisfy the multi-channel space testing requirement, multi-channel (temperature, liquid level, voltage, etc) testing system is designed based on PXI Bus. VC++2008 is adopted for acquisition and control programming, and the testing data can be real-time displayed in the interface. This system has already been successfully implemented in a testing task.

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Atalla, Yousif, Yasir Hashim, Abdul Nasir Abd. Ghafar, and Waheb A. Jabbar. "Temperature characteristics of FinFET based on channel fin width and working voltage." International Journal of Electrical and Computer Engineering (IJECE) 10, no. 6 (2020): 5650. http://dx.doi.org/10.11591/ijece.v10i6.pp5650-5657.

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This paper shows the temperature sensitivity of FinFET and the possibility of using FinFET as a temperature Nano sensor based on Fin width of transistor. The multi-gate field effect transistor (MuGFET) simulation tool is used to examine the temperature effect on FinFET characteristics. Current-voltage characteristics with various temperatures and channel Fin width (WF= 5,10,20,40 and 80 nm) are at first simulated, the diode mode connection has been used in this study. The best temperature sensitivity of the FinFET is has been considered under the biggest ∆I at the working voltage VDD with range of 0–5 V. According to the results, the temperature sensitivity increased linearly with all the range of channel Fin width (5-80 nm), also, the lower gate Fin width (WF=5nm) with higher sensitivity can achieved with lower working voltage (VDD=1.25 V).

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Yousif, Atalla, Hashim Yasir, Nasir Abd. Ghafar Abdul, and A. Jabbar Waheb. "Temperature characteristics of FinFET based on channel fin width and working voltage." International Journal of Electrical and Computer Engineering (IJECE) 10, no. 6 (2020): 5650–57. https://doi.org/10.11591/ijece.v10i6.pp5650-5657.

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This paper shows the temperature sensitivity of FinFET and the possibility of using FinFET as a temperature nano sensor based on Fin width of transistor. The multi-gate field effect transistor (MuGFET) simulation tool is used to examine the temperature effect on FinFET characteristics. Current-voltage characteristics with various temperatures and channel Fin width (WF = 5,10,20,40 and 80 nm) are at first simulated, the diode mode connection has been used in this study. The best temperature sensitivity of the FinFET is has been considered under the biggest ∆I at the working voltage VDD with range of 0–5 V. According to the results, the temperature sensitivity increased linearly with all the range of channel Fin width (5-80 nm), also, the lower gate Fin width (WF=5nm) with higher sensitivity can achieved with lower working voltage (VDD=1.25 V).

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Ju, Lina, Peng Jiang, Xing Zhou, et al. "Design and Implementation of Multi-Channel Temperature Measurement System of Thermal Test Chip Based on Diode Temperature-Sensitive Arrays." Thermo 5, no. 1 (2025): 6. https://doi.org/10.3390/thermo5010006.

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When chips perform numerous computational tasks or process complex instructions, they generate substantial heat, potentially affecting their long-term reliability and performance. Thus, accurate and effective temperature measurement and management are crucial to ensuring chip performance and lifespan. This paper presents a multi-channel temperature measurement system based on a diode temperature-sensitive array thermal test chip (TTC). The thermal test chip accurately emulates the heat power and thermal distribution of the target chip, providing signal output through row and column address selection. The multi-channel temperature measurement system centers around a microcontroller and includes voltage signal acquisition circuits and host computer software. It enables temperature acquisition, storage, and real-time monitoring of 16 channels in a 4 × 4 array thermal test chip. During experiments, the system uses a constant current source to drive temperature-sensitive diodes, collects diode output voltage through multiplexers and high-precision amplification circuits, and converts analog signals to digital signals via a high-speed ADC. Data transmission occurs via the USB 2.0 protocol, with the host computer software handling data processing and real-time display. The test results indicate that the system accurately monitors chip temperature changes in both steady-state and transient thermal response tests, closely matching measurements from a semiconductor device analyzer, with an error of about 0.67%. Therefore, this multi-channel temperature measurement system demonstrates excellent accuracy and real-time monitoring capability, providing an effective solution for the thermal design and evaluation of high power density integrated circuits.

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Bley, T., E. Pignanelli, and A. Schütze. "Multi-channel IR sensor system for determination of oil degradation." Journal of Sensors and Sensor Systems 3, no. 1 (2014): 121–32. http://dx.doi.org/10.5194/jsss-3-121-2014.

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Abstract. A miniaturized infrared (IR) multi-channel sensor system was realized to determine chemical oil degradation, e.g., oxidation, increasing water content. Different artificially aged oil samples (synthetic motor oil, mineral hydraulic oil and ester-based hydraulic fluid) were prepared by oxidative degradation at elevated temperatures or addition of water, and characteristic degradation features in the IR spectrum were detected using FTIR spectroscopy. In addition, the absorption behavior of water contaminated synthetic motor oil was analyzed with increasing temperature. To determine the influence of different degradation effects on the measurement results the sensor system was characterized with the various oil samples. The system uses a reference channel to suppress the effect of decreasing transmission over the entire spectrum caused, e.g., by increasing soot content in the oil or contamination of the optical path.

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Hu, Ankai, Yanlu Huang, Yu Wang, Yongqiang Yang, Wei Li, and Tianyu Wang. "Numerical Simulation and Experimental Research on Multi-Channel Laser Directional Energy Deposition of IN718." Applied Sciences 12, no. 21 (2022): 11014. http://dx.doi.org/10.3390/app122111014.

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In this paper, the deposition layer calculation model is proposed for laser-directed energy deposition (DED) with coaxial powder feeding by combining the powder feeding equation with the volume of fluid (VOF) method, and the single-channel IN718 forming process is simulated in real-time with moving boundary conditions in a fixed coordinate system and experimentally validated. Under single-layer single-channel deposition processing, the deposition height and width decreased by 57.1% and 21.6%, respectively, as the scanning speed increased from 8 mm/s to 14 mm/s. The calculated deposition height, width, and melt pool depth were in good agreement with the experimental results. Calculating the temperature field distribution of the single-layer double-channel deposition at an overlapping-rate of 30% yielded the temperature fluctuation pattern of the deposition at various lap moments. Under the influence of the thermal accumulation of the first deposition channel, the latent heat effect of the melt pool will cause the maximum surface temperature during overlap processing to be slightly lower than the maximum surface temperature during single channel processing; at the same time, under the influence of the high-temperature state of the overlap deposition channel during the scanning process, the first deposition channel will exhibit rewarming during the overlap scanning process. The deposition layer and temperature field of single-layer multi-channel laser deposition are modelled using this information. It has been proved that the model may be used to forecast deposition and temperature fields for intricate processing procedures. The study findings are significant for understanding the process mechanism of coaxial powder feeding laser-directed energy deposition in detail and optimizing the process.

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Feng, Chengcheng, Hao Niu, Hongye Wang, et al. "Probe-Type Multi-Core Fiber Optic Sensor for Simultaneous Measurement of Seawater Salinity, Pressure, and Temperature." Sensors 24, no. 6 (2024): 1766. http://dx.doi.org/10.3390/s24061766.

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In this article, we propose and demonstrate a probe-type multi-core fiber (MCF) sensor for the multi-parameter measurement of seawater. The sensor comprises an MCF and two capillary optical fibers (COFs) with distinct inner diameters, in which a 45° symmetric core reflection (SCR) structure and a step-like inner diameter capillary (SIDC) structure filled with polydimethylsiloxane (PDMS) are fabricated at the fiber end. The sensor is equipped with three channels for different measurements. The surface plasmon resonance (SPR) channel (CHSPR) based on the side-polished MCF is utilized for salinity measurement. The fiber end air cavity, forming the Fabry–Pérot interference (FPI) channel (CHFPI), is utilized for pressure and temperature measurement. Additionally, the fiber Bragg grating (FBG) channel (CHFBG), which is inscribed in the central core, serves as temperature compensation for the measurement results. By combining three sensing principles with space division multiplexing (SDM) technology, the sensor overcomes the common challenges faced by multi-parameter sensors, such as channel crosstalk and signal demodulation difficulties. The experimental results indicate that the sensor has sensitivities of 0.36 nm/‰, −10.62 nm/MPa, and −0.19 nm/°C for salinity, pressure, and temperature, respectively. As a highly integrated and easily demodulated probe-type optical fiber sensor, it can serve as a valuable reference for the development of multi-parameter fiber optic sensors.

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Gong, Ya-Ping, Xiao-Xian Chen, Guo-Zhang Huang, Wei-Xiong Zhang, and Xiao-Ming Chen. "Ferroelasticity, thermochromism, semi-conductivity, and ferromagnetism in a new layered perovskite: (4-fluorophenethylaminium)₂[CuCl₄]." Journal of Materials Chemistry C 10, no. 14 (2022): 5482–88. http://dx.doi.org/10.1039/d2tc00335j.

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A new A2BX4-type layered perovskite, (4-fluorophenethylaminium)2[CuCl4], exhibits multi-channel properties including above-room-temperature ferroelasticity, reversible thermochromism, indirect semi-conductivity, and low-temperature ferromagnetism.

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Hu, Bing, and Xi Jun Liu. "Design and Research of Multi-Channel Temperature Calibration System Based on the LabVIEW." Advanced Materials Research 304 (July 2011): 241–46. http://dx.doi.org/10.4028/www.scientific.net/amr.304.241.

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According to industry and agriculture domain which applied temperature sensor need calibration. It is proposed the temperature calibration system design which based on the environmental of the LabVIEW programming to complete the parameter calibration and characteristics analysis of temperature sensor. The design communicates to serial bus by VISA programming interface to complete setting the temperature of the FLUKE9171 temperature calibrator, and get the temperature informations of the Multi-channel DS18B20 temperature sensor. It demarcates the collected data by using the method of the curve fitting, to complete the accurate calibration of the the temperature which collected by temperature sensor. The whole system design is parameters custom, intelligent, self-adaption, which has been applied on a sensor calibration system.

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de Castro, S., B. Kawata, G. R. F. Lopes, P. H. de O. Rappl, E. Abramof, and M. L. Peres. "Weak antilocalization effect and multi-channel transport in SnTe quantum well." Applied Physics Letters 120, no. 20 (2022): 203102. http://dx.doi.org/10.1063/5.0088499.

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Magnetoresistance measurements were performed on a 30 nm-thick SnTe quantum well (QW) grown by molecular beam epitaxy on the BaF2 substrate in the temperature range of 1.9–50 K. The weak antilocalization (WAL) effect was observed at low temperatures and low magnetic fields as a result of the strong spin–orbit coupling present in the QW. Using the Hikami–Larkin–Nagaoka equation, we analyzed the experimental data and found that the WAL effect is not purely 2D but composed of 2D and 3D channels that exist within the QW structure. The spin–orbit and phase coherence mechanisms are also extracted, and a general view of the transport properties of the QW is also provided.

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Huang, Feng, and Jian Kai Zhao. "Design of Multi-Channel Data Acquisition System Based on PXI 6281." Applied Mechanics and Materials 34-35 (October 2010): 1739–41. http://dx.doi.org/10.4028/www.scientific.net/amm.34-35.1739.

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The paper designed a multi-channel data acquisition system based on PXI 6281. It used DAQmx technology in LabVIEW for synchronous analog channel data acquisition. It realized multi-channel real-time data acquisition, processing, display and data auto-saving. Data acquisition system consists of three major modules: the pressure measurement module, the motor speed measurement modules and real-time temperature measurement module. It has advantage of short cycle of technological upgrading, development and low maintenance costs. It has some reference value for other data acquisitions.

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Malevany, M. V., and D. A. Konovalov. "Intensification of heat and mass transfer of the gas channel of the multi-temperature condensation filter." Journal of Physics: Conference Series 2150, no. 1 (2022): 012012. http://dx.doi.org/10.1088/1742-6596/2150/1/012012.

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Abstract The principle of operation and features of hydrodynamics and heat-mass transfer in the working channel of a multi-temperature condensation filter for gas purification are described. Promising methods of gas flow purification using porous surfaces are described. The modeling and comparison of the laminar air flow in channels of various shapes: in a flat channel, in a channel with webs and in a spiral channel are performed. An analysis of their effectiveness is carried out.

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Neupane, Sneha, Gurneesh Singh Jatana, Timothy P. Lutz, and William P. Partridge. "Development of A Multi-Spectral Pyrometry Sensor for High-Speed Transient Surface-Temperature Measurements in Combustion-Relevant Harsh Environments." Sensors 23, no. 1 (2022): 105. http://dx.doi.org/10.3390/s23010105.

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Accurate and high-speed transient surface-temperature measurements of combustion devices including internal combustion (IC) engines, gas turbines, etc., provide validation targets and boundary conditions for computational fluid dynamics models, and are broadly relevant to technology advancements such as performance improvement and emissions reduction. Development and demonstration of a multi-infrared-channel pyrometry-based optical instrument for high-speed surface-temperature measurement is described. The measurement principle is based on multi-spectral radiation thermometry (MRT) and uses surface thermal radiation at four discrete spectral regions and a corresponding emissivity model to obtain surface temperature via non-linear least squares (NLLS) optimization. Rules of thumb for specifying the spectral regions and considerations to avoid interference with common combustion products are developed; the impact of these along with linear and non-linear MRT analysis are assessed as a function of temperature and signal-to-noise ratio. A multi-start method to determine the MRT-solution global optimum is described and demonstrated. The resulting multi-channel transient pyrometry instrument is described along with practical considerations including optical-alignment drift, matching intra-channel transient response, and solution-confidence indicators. The instrument demonstrated excellent >97% accuracy and >99% 2-sigma precision over the 400–800 °C range, with ~20 µs (50 kHz, equivalent to 0.2 cad at 2000 RPM IC-engine operation) transient response in the bench validation.

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Zhuo, Hua, Yan Xu, Weihu Zhou, Feng Li, and Yikun Zhao. "Design of Calibration System for Multi-Channel Thermostatic Metal Bath." Measurement Science Review 24, no. 1 (2024): 27–35. http://dx.doi.org/10.2478/msr-2024-0004.

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Abstract The use of the thermostatic metal bath is becoming more and more extensive and the requirements for its precision and reliability are also increasing. To meet the needs of the metal bath calibration, a 12-channel thermostatic metal bath temperature field calibration system based on a four-wire PT100 has been designed. The system design includes a front-end temperature measurement component, which consists of a four-wire PT100 and a thermostatic block, and a signal processing component, which consists of a bidirectional constant current source excitation unit, a signal conditioning unit and a high-precision acquisition unit. The STM32f407 is used as the main control chip, and the analog channel selector is used for 12-channel selection. The constant current source is used for signal excitation, the proportional method is used to measure the PT100 resistance, and an acquisition circuit with a high-precision 32-bit ADS1263 analog-to-digital converter is used to amplify, filter and convert the analog signal. After piecewise linear fitting and system calibration, the temperature measurement accuracy can reach 0.4 mK, which meets the calibration requirements of the thermostatic metal bath.

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Na, Yin Tai. "Study on the Application and Comparative Analysis of Land Surface Temperature Retrieval Method Based on Multi-Sensor Remote Sensing Data." Advanced Materials Research 1010-1012 (August 2014): 1276–79. http://dx.doi.org/10.4028/www.scientific.net/amr.1010-1012.1276.

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The three commonly used remote sensing land surface temperature retrieval methods are described, namely single-window algorithm, split window algorithm and multi-channel algorithm, which have their advantages and disadvantages. The land surface temperature (LST) of study area was retrieved with multi-source remote sensing data. LST of study area was retrieved with the split window algorithm on January 10, 2003 and November 19, 2003 which is comparatively analyzed with the LST result of ETM+data with the single-window algorithm and the LST result of ASTER data with multi channel algorithm in the same period. The results show that land surface temperature of different land features are significantly different, where the surface temperature of urban land is the highest, and that of rivers and lakes is the lowest, followed by woodland. It is concluded that the expansion of urban green space and protection of urban water can prevent or diminish the urban heat island.

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Watson, Jeff, Stephen Kavanagh, and Stephen Nugent. "High Precision Analog Multiplexers Enable Multi-Channel Data Acquisition in High Temperature Environments." Additional Conferences (Device Packaging, HiTEC, HiTEN, and CICMT) 2016, HiTEC (2016): 000035–39. http://dx.doi.org/10.4071/2016-hitec-35.

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Abstract A growing number of industries are calling for low power electronics that operate reliably at temperatures of 175C and higher. Many of these applications require a precision data acquisition signal chain in order to digitize analog data so that it can be collected and processed. We previously presented a characterized signal chain for a single channel of analog to digital conversion designed around a 600ks ps SAR ADC. However, many systems have a multitude of sensor signals that must be acquired at varying sample rates. In this work we discuss two new analog multiplexers rated for 175°C/210°C that allow multiple analog signals to be connected to the ADC input, enabling the design of a precision multi-channel data acquisition system. One multiplexer is designed on a robust dielectrically isolated process for high performance and low leakage over temperature, and one multiplexer is optimized for low power, low voltage applications. We will examine the architecture of these two integrated circuits, review the characterization over temperature and discuss example application signal chains.

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Shukla, R. A., V. G. Achanta, S. R. Dugad, et al. "Multi-channel programmable power supply with temperature compensation for silicon sensors." Review of Scientific Instruments 87, no. 1 (2016): 015114. http://dx.doi.org/10.1063/1.4940424.

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Hu, Guoliang, Xiao Yang, Lifan Wu, Wencai Zhu, and Gang Li. "Braking performance and temperature characteristics analysis of parallel multi-channel magnetorheological brake." International Journal of Applied Electromagnetics and Mechanics 72, no. 4 (2023): 433–59. http://dx.doi.org/10.3233/jae-220260.

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In order to improve the braking performance of magnetorheological (MR) brake, a new MR brake with parallel multi-channel structure was developed in this paper. The three layers of axial damping gaps in the MR brake were utilized by using of the magnetic conductivity of the material, and the double excitation coils was also adopted to effectively improve the braking performance. The braking torque and temperature characteristics were analyzed theoretically, and the electromagnetic field and temperature field were simulated and verified. Braking performance and temperature characteristics of the parallel multi-channel MR brake were tested, and the torque, braking time and temperature characteristics of the MR brake were obtained. The test results show that under the condition of constant rotational speed of 700 r/min and applied current of 2 A, the maximum torque can reach 26.25 N⋅m, and the temperature rises from 18.3 °C to 58.01 °C within 20 s. Meanwhile, the braking time is about 1.63 s.

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