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Journal articles on the topic 'SLOT LINE'

Author: Grafiati

Published: 11 September 2023

Last updated: 31 July 2025

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1

Jyh-Wen Sheen and Yu-De Lin. "Surface-wave-like mode in slot line." IEEE Microwave and Guided Wave Letters 6, no. 7 (1996): 259–61. http://dx.doi.org/10.1109/75.502286.

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2

Pahlevaninezhad, Hamid, Barmak Heshmat, and Thomas Edward Darcie. "Efficient terahertz slot-line waveguides." Optics Express 19, no. 26 (2011): B47. http://dx.doi.org/10.1364/oe.19.000b47.

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3

Sillars, D. B., and L. E. Davis. "Coupled-slot fin-line isolators." Electronics Letters 21, no. 3 (1985): 97. http://dx.doi.org/10.1049/el:19850067.

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4

Klyuev, S. B., E. I. Nefyodov, and A. A. Potapov. "Symmetrical slot line with a dielectric insert in the slot." Journal of Physics: Conference Series 1348 (December 2019): 012015. http://dx.doi.org/10.1088/1742-6596/1348/1/012015.

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5

Furukawa, M., Wei Gao, Hideki Shimizu, S. Kiyono, M. Yasutake, and K. Takahashi. "Three-Dimensional Slit Width Measurement for Long Precision Slot Dies." Key Engineering Materials 295-296 (October 2005): 343–48. http://dx.doi.org/10.4028/www.scientific.net/kem.295-296.343.

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This paper describes a measurement method for three-dimensional (3D) slit width deviations of long precision slot dies, which are essential for process control in manufacturing. A sensor unit consisting of two laser probes with their measurement axes aligned along the same Z-directional line but with opposite measurement directions, is placed between the two parts of the slot die to scan the two opposing surfaces of the parts along the X- and Y-axes. The variation of the sum of the laser probe outputs, which shows the deviation of the distance between the two surfaces, corresponds to the devia

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6

C.Y., Wang. "SINGULAR RISE AND SINGULAR DROP OF CUTOFF FREQUENCIES IN SLOT LINE AND STRIP LINE WAVEGUIDES." International Journal of Electromagnetics ( IJEL ) 2, no. 1 (2020): 1 to 16. https://doi.org/10.5281/zenodo.3667104.

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The complete frequency spectrum of the circularly- shielded slot line and strip line are determined using an efficient domain decomposition and mode matching method. Asymptotic analyses show that, when the gap width of the slot line or the width of the strip line are too small, the TE frequencies may drop singularly and the TM frequencies may rise singularly. These new properties greatly affect the cutoff frequencies.

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7

Togni, Paolo, Tomas Drizrfal, Jan Vrba, and Luca Vannucci. "Slot-Line Applicator for Microwave Hyperthermia." Journal of Microwave Power and Electromagnetic Energy 43, no. 2 (2008): 24–30. http://dx.doi.org/10.1080/08327823.2008.11688609.

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8

Komar', G. I., and V. P. Shestopalov. "IMAGE SLOT LINE AND ITS MODIFICATIONS." Electromagnetics 13, no. 2 (1993): 187–202. http://dx.doi.org/10.1080/02726349308908342.

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9

Naylor, J., T. Weller, M. Smith, and J. Culver. "Slow-wave CPW slot-line transition." IEE Proceedings - Microwaves, Antennas and Propagation 152, no. 5 (2005): 297. http://dx.doi.org/10.1049/ip-map:20045109.

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10

Remillard, S. K., P. O. Radzikowski, S. Cordone, et al. "A closed slot-line resonator filter." IEEE Microwave and Wireless Components Letters 14, no. 5 (2004): 234–36. http://dx.doi.org/10.1109/lmwc.2004.827910.

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11

Misra, V. C., and Ram Pal. "Broad Band Tapered Slot Line Radiator." IETE Journal of Research 36, no. 2 (1990): 126–29. http://dx.doi.org/10.1080/03772063.1990.11436870.

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12

Li, Qian, Chong Ding, Ruichao Yang, et al. "Mutual Coupling Reduction between Patch Antennas Using Meander Line." International Journal of Antennas and Propagation 2018 (July 4, 2018): 1–7. http://dx.doi.org/10.1155/2018/2586382.

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Meander lines (MLs) in two configurations are presented to reduce the mutual coupling (MC) between two microstrip patch antenna elements. Inserting a slot in the ground plane between the antenna elements is a simple method to reduce the MC, while adding the MLs in the slot of the ground can further reduce the MC. In the first configuration, one ML is inserted in the slot of the ground and a maximum MC reduction of 39 dB throughout the −10 dB bandwidth is achieved. What’s more, the radiation patterns are not changed compared with the dual-element microstrip antenna array with a slotted ground.

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13

Xiao, Jun, Zihang Qi, Xiuping Li, Weiwei Feng, and Hua Zhu. "A 260-GHz on-chip cavity-backed slot antenna." International Journal of Microwave and Wireless Technologies 11, no. 1 (2018): 27–34. http://dx.doi.org/10.1017/s1759078718001101.

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AbstractThis paper presents a cavity-backed dual-slot antenna in 0.13-μm SiGe BiCMOS technology. The dual-slot structure is excited by a cross-shaped strip line and a cavity which is formed by the topmost metal layer connected to the bottom metal layer through vias in between. By adopting dual-slot and cross-shaped feed line, the bandwidth is significantly enhanced by 196% compared with the single-slot antenna with straight feed line. The reason for bandwidth enhancement has been analyzed. The proposed antenna shows a measured impedance bandwidth of 15.2 GHz from 248.2 to 263.4 GHz for |S11| &

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14

Yamamoto, T., and N. Ishii. "Large-area plasma excitation in densely arrayed radial line slot antennas using TE11 rotating mode." Canadian Journal of Physics 82, no. 6 (2004): 489–93. http://dx.doi.org/10.1139/p04-019.

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A novel feeding structure using a TE11 (transverse electric) rotating mode in a radial line slot antenna for plasma production is proposed. Moreover, novel slot patterns with different coupling slot distributions are fabricated and tested. Extremely uniform plasma over a large diameter is observed and the possibility of control of the plasma distribution in the radial direction by changing to different coupling slot distributions is verified. PACS No.: 52.40.Fd

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15

Li, Qian, Chunyu Lin, and Yao Zhao. "Geometric Features-Based Parking Slot Detection." Sensors 18, no. 9 (2018): 2821. http://dx.doi.org/10.3390/s18092821.

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In this paper, we propose a parking slot markings detection method based on the geometric features of parking slots. The proposed system mainly consists of two steps, namely, separating line detection and parking slot entrance detection. First, in the separating line detection stage, we propose a line-clustering method based on the line segment detection (LSD) algorithm. Our detecting and line-clustering algorithm can detect the separating lines that contain a pair of parallel lines with a fixed distance in a bird’s eye view (BEV) image under diverse lighting and ground conditions. Consequentl

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16

Subbarao, B., and V. F. Fusco. "Effect of slot geometry on linearly polarized radial line slot array characteristics." Microwave and Optical Technology Letters 35, no. 1 (2002): 14–16. http://dx.doi.org/10.1002/mop.10503.

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17

Liu, Leilei, Chao Liu, Ziyang Li, Xiaoxing Yin, and Zhi Ning Chen. "Slit-Slot Line and Its Application to Low Cross-Polarization Slot Antenna and Mutual-Coupling Suppressed Tripolarized MIMO Antenna." IEEE Transactions on Antennas and Propagation 67, no. 1 (2019): 4–15. http://dx.doi.org/10.1109/tap.2018.2876166.

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18

Hu, Jin Hang, Jin Cai Lin, and Wei Long Fu. "A New Improvement of Radial Line Slot Antenna." Applied Mechanics and Materials 385-386 (August 2013): 1244–48. http://dx.doi.org/10.4028/www.scientific.net/amm.385-386.1244.

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A radial line slot antenna (CP-RLSA) is a slotted waveguide planar array for DBS reception. A number of designs have been devised, but these designs have pros and cons. In order to suppress grating lobes and increase the gain, this article will introduce a new wave material =1.06, arrange the angle and modify configurations of the slot sets. The results of experiment illustrate the validity of the design and analysis.

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19

Kalindi, S. Shinde, N. Shah Shweta, and N. Patel Piyush. "Development and Performance Evaluation of Novel Microwave Planar Sensors for the Precise Quality Assessment of Apples and Bananas." Journal of Sensor Research and Technologies 6, no. 3 (2024): 1–28. https://doi.org/10.5281/zenodo.12662150.

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<em>The permittivity of planar materials can be measured with greater sensitivity by using a slot-loaded microstrip patch sensor antenna. A rectangular patch antenna that was fed by a microstrip transmission line with a narrow rectangular slit etched along its radiating edge. The proposed slot-loaded patch antenna's sensitivity was determined by observing the change in the input reflection coefficient's resonant frequency when the planar dielectric after the patch was positioned; the substrate performance was compared to that of a traditional patch antenna without the slot. For this, a more th

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20

Lin, Kai-Ju, and Lon A. Wang. "Investigation of an In-Line Slot Waveguide Sensor Built in a Tapered D-Shaped Silicon-Cored Fiber." Sensors 21, no. 23 (2021): 7832. http://dx.doi.org/10.3390/s21237832.

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An in-line slot waveguide sensor built in a polished flat platform of a D-shaped silicon cored fiber with a taper coupled region is proposed and investigated thoroughly. Simulation results show that the single-mode light field sustained in the silicon cored fiber can be efficiently transferred to the slot waveguides through the tapered region. The geometry parameters of the slot waveguide sensors are optimized to have the corresponding highest power confinement factors and the resultant sensor sensitivities. The three-slot waveguide sensor is found to have the best performance among one-, two-

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21

Das, Debprosad, Md Farhad Hossain, and Md Azad Hossain. "Design and characterization of a circularly polarized microstrip-line-fed slot array antenna for S-band applications." International Journal of Electrical and Computer Engineering (IJECE) 13, no. 6 (2023): 6399. http://dx.doi.org/10.11591/ijece.v13i6.pp6399-6409.

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A 2×2 slot array antenna fed by microstrip line for circular polarization operated in the S band frequency range is designed in this paper. Single cross slot with single port feed as well as dual port feed is taken into consideration for realizing circular polarization and combining these two processes, the slot array is designed with single feed for circular polarization. The antennas are designed on a Teflon glass fiber substrate of thickness 0.8 mm. The slot array dimension is 120×142×1.636 mm<sup>3</sup>. Smith chart of single cross slot antenna with single feed as well as dual

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22

Debprosad, Das, Farhad Hossain Md., and Azad Hossain Md. "Design and characterization of a circularly polarized microstrip-line-fed slot array antenna for S-band applications." International Journal of Electrical and Computer Engineering (IJECE) 13, no. 6 (2023): 6399–409. https://doi.org/10.11591/ijece.v13i6.pp6399-6409.

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A 2×2 slot array antenna fed by microstrip line for circular polarization operated in the S band frequency range is designed in this paper. Single cross slot with single port feed as well as dual port feed is taken into consideration for realizing circular polarization and combining these two processes, the slot array is designed with single feed for circular polarization. The antennas are designed on a Teflon glass fiber substrate of thickness 0.8 mm. The slot array dimension is 120×142×1.636 mm3. Smith chart of single cross slot antenna with single&

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23

Fomin, D. G., N. V. Dudarev, S. N. Darovskikh, and V. K. Baranov. "The Investigation of the Volumetric Strip-Slot Transition with U-Shaped Slot Resonator." Ural Radio Engineering Journal 4, no. 3 (2020): 277–92. http://dx.doi.org/10.15826/urej.2020.4.3.002.

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The application of volumetric strip-slot transition for the implementationof wireless devices with contactless frequency-selective transmission of microwave signals is relevant. This is due to the compactness of volumetric strip-slot transition achieved by the multilayer arrangement of its functional parts and of its electrical frequency-selective characteristics. At the same time the volumetric-modular design allows the replacement of its individual components which provides high functional flexibility of the device. Reducing of weight and dimensions of the volumetric strip-slot transition wh

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24

Sharma, Richa, Ms Amanpreet Kaur, and Dr Rajesh Khanna. "Back Radiation Suppression in Modified Aperture Coupled Microstrip Antenna by using patches under the substrate." INTERNATIONAL JOURNAL OF COMPUTERS & TECHNOLOGY 6, no. 3 (2013): 414–22. http://dx.doi.org/10.24297/ijct.v6i3.4463.

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A microstrip slot antenna for C Band has been proposed with compact structure and suppressed back radiation. In this paper, the feeding technique used is aperture coupling with a modification that patches and the feed line are positioned below the substrate and the slot is etched above the substrate. The position of the patches along the slot axis is kept at the negative peak of the standing wave distributions to generate the voltage null on the slot line so as to have a 180Âº phase shift in the centre of the patch hence achieving better front to back ratio. Also the gain of 6.774dB is achieve

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25

Lyaschenko, V. A., V. A. Katrich, and N. V. Medvedev. "A SLOT RADIATOR IN A COAXIAL LINE." Telecommunications and Radio Engineering 70, no. 5 (2011): 395–411. http://dx.doi.org/10.1615/telecomradeng.v70.i5.20.

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26

Sierra-Castaner, M., M. Sierra-Perez, M. Vera-Isasa, and J. L. Fernandez-Jambrina. "Low-cost monopulse radial line slot antenna." IEEE Transactions on Antennas and Propagation 51, no. 2 (2003): 256–63. http://dx.doi.org/10.1109/tap.2003.809098.

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27

Ando, M., T. Numata, J. I. Takada, and N. Goto. "A linearly polarized radial line slot antenna." IEEE Transactions on Antennas and Propagation 36, no. 12 (1988): 1675–80. http://dx.doi.org/10.1109/8.14389.

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28

Subbarao, B., and V. F. Fusco. "Beam-steerable radial-line slot antenna array." IEE Proceedings - Microwaves, Antennas and Propagation 152, no. 6 (2005): 515. http://dx.doi.org/10.1049/ip-map:20045100.

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29

Seshadri, Satyanarayanan, Sridhar Hari, Shishan Hu, and Andrew R. McFarland. "A Circumferential Slot In-Line Virtual Impactor." Aerosol Science and Technology 42, no. 1 (2008): 40–49. http://dx.doi.org/10.1080/02786820701787928.

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30

Takahashi, M., M. Ando, N. Goto, et al. "Dual circularly polarized radial line slot antennas." IEEE Transactions on Antennas and Propagation 43, no. 8 (1995): 874–76. http://dx.doi.org/10.1109/8.402208.

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31

Takahashi, Masaharu, Yukihiko Nakagawa, and Minoru Abe. "Low sidelobes for radial line slot antennas." Electronics and Communications in Japan (Part I: Communications) 80, no. 7 (1997): 70–76. http://dx.doi.org/10.1002/(sici)1520-6424(199707)80:7<70::aid-ecja8>3.0.co;2-9.

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32

Woo, Duk-Jae, Taek-Kyung Lee, and Sangwook Nam. "Modeling stepped U-slot DGS microstrip line." Microwave and Optical Technology Letters 58, no. 3 (2016): 583–87. http://dx.doi.org/10.1002/mop.29626.

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33

Zinieris, M. M., R. Sloan, and L. E. Davis. "A broadband microstrip-to-slot-line transition." Microwave and Optical Technology Letters 18, no. 5 (1998): 339–42. http://dx.doi.org/10.1002/(sici)1098-2760(19980805)18:5<339::aid-mop9>3.0.co;2-9.

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34

Takada, J., M. Ando, and N. Goto. "A reflection cancelling slot set in a linearly polarized radial line slot antenna." IEEE Transactions on Antennas and Propagation 40, no. 4 (1992): 433–38. http://dx.doi.org/10.1109/8.138845.

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35

Akiyama, A., T. Yamamoto, M. Ando, and N. Goto. "Numerical optimisation of slot parameters for a concentric array radial line slot antenna." IEE Proceedings - Microwaves, Antennas and Propagation 145, no. 2 (1998): 141. http://dx.doi.org/10.1049/ip-map:19981630.

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36

Hirokawa, J., M. Ando, and N. Goto. "Analysis of slot coupling in a radial line slot antenna for DBS reception." IEE Proceedings H Microwaves, Antennas and Propagation 137, no. 5 (1990): 249. http://dx.doi.org/10.1049/ip-h-2.1990.0049.

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37

Sun, Lin, Jicheng Wang, Zheng-Da Hu, Xiaosai Wang, and Jing Chen. "Plasmonic analog of electromagnetically-induced transparency of asymmetrical slots waveguide." Modern Physics Letters B 30, no. 05 (2016): 1650045. http://dx.doi.org/10.1142/s0217984916500457.

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In this paper, electromagnetically-induced transparency (EIT) phenomena have been investigated numerically in the plasmonic waveguides composed of unsymmetrical slot shaped metal–insulator–metal (MIM) structures. By the transmission line theory and Fabry–Perot model, the formation and evolution mechanisms of plasmon-induced transparency were exactly analyzed. The analysis showed that the peak of EIT-like transmission could be changed easily according to certain rules by adjusting the geometrical parameters of the slot structures, including the coupling distances and slot depths. We can find a

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38

Yang, Yong Jie, Hui Jing Sui, and Jian Xin Chen. "A Novel Reconfigurable Cpw-Fed Slot Antenna." Key Engineering Materials 474-476 (April 2011): 1334–37. http://dx.doi.org/10.4028/www.scientific.net/kem.474-476.1334.

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A novel low-profile reconfigurable CPW-fed slot antenna that is designed using a half-wavelength slot-line resonator is proposed in this paper. Frequency hopping can be easily achieved by incorporating a pair of PIN diodes, being controlled in either their on or off state. Benefited from the magnetic current distribution of a half-wavelength slot-line resonator, the radiation patterns at the two operating frequencies (1.8GHz and 2.45GHz) are very stable, being almost identical. The proposed antenna is designed and fabricated, and the theoretical and measured results are presented and show good

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39

Yeo, Junho, and Jong-Ig Lee. "Meander-Line Slot-Loaded High-Sensitivity Microstrip Patch Sensor Antenna for Relative Permittivity Measurement." Sensors 19, no. 21 (2019): 4660. http://dx.doi.org/10.3390/s19214660.

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A high-sensitivity microstrip patch sensor antenna (MPSA) loaded with a meander-line slot (MLS) is proposed for the measurement of relative permittivity. The proposed MPSA was designed by etching the MLS along the radiating edge of the patch antenna, and it enhanced the relative permittivity sensitivity with an additional effect of miniaturization in the patch size by increasing the slot length. The sensitivity of the proposed MPSA was compared with that of a conventional rectangular patch antenna and a rectangular slit (RS)-loaded MPSA, by measuring the shift in the resonant frequency of the

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40

Abdukarimov, Abdusalam. "VERTICAL SPINDLE COTTON HARVESTER WITH SYMMETRIC MOVEMENT OF SPINDLE DRUMS." International Journal of Modern Manufacturing Technologies 13, no. 3 (2021): 8–13. http://dx.doi.org/10.54684/ijmmt.2021.13.3.8.

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The article deals with the trends in the development of structures, research work on modernization and creation of new vertical spindle cotton harvesting apparatus (CHA). Authors developed new CHA that works as follows: the CHA with a cotton picker moves on the cotton field; the cotton plants getting into the inter-drum slots are processed, that is, the raw cotton be harvested. The CHA are in their original position before picking raw cotton. When a thick cotton plant gets into the inter-drum slot of the front pair of drums, the spindle drums move apart and the inter-drum slot opens, while the

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41

Pant, Aadya, Swapna Ch, and Manish Bharat. "A compact slot antenna with improved bandwidth and gain for wireless applications." International Journal of Engineering & Technology 7, no. 4 (2018): 2370. http://dx.doi.org/10.14419/ijet.v7i4.18317.

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A wide-slot antenna is investigated to achieve a bandwidth of about 162%. The ground plane includes a rectangular slot with dual SRR and two semicircular defects in the bottom side of the rectangular slot. A fork like feed-line with two parasitic stubs to increase the bandwidth is used to feed the slot. 37*37*0.8 mm3 is the size of the proposed antenna and the dielectric substrate used is FR4. The measured bandwidth ranges from 1.8-17.5 GHz which is approximately 162%. Significant improvement in gain for the frequency range of 1.8-6.1 GHz is observed. The proposed antenna has radiation pattern

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42

A. Arifin, M. M. Lumembang, A. Bualkar,. "Karakterisasi Antena Mikrostrip Slot Bowtie pada Frekuensi 2,4 GHz." Risalah Fisika 3, no. 1 (2019): 1–4. http://dx.doi.org/10.35895/rf.v3i1.116.

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Abstrak – Telah dihasilkan rancangan dan hasil simulasi antena mikrostrip slot bowtie yang dapat bekerja pada frekuensi 2,4 GHz untuk sistem komunikasi wireless. Hasil karakterisasi antena diperoleh dengan menggunakan Vector Network Analyser (VNA). Dalam penelitian ini didesain 3 buah antena slot double bowtie dengan variasi lebar widthline. Hal ini mengakibatkan perubahan slot line yang sebanding dengan hasil nilai impedansi masukan. Semakin kecil lebar slot line, maka semakin kecil impedansi masukan yang dihasilkan. Pengukuran terbaik parameter antena diperoleh nilai VSWR 1,3, return loss -1

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43

Simons, Rainee N., Susan R. Taub, Richard Q. Lee, and Paul G. Young. "Microwave characterization of slot line and coplanar strip line on high-resistivity silicon for a slot antenna feed network." Microwave and Optical Technology Letters 7, no. 11 (1994): 489–94. http://dx.doi.org/10.1002/mop.4650071104.

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44

Poligina A. D. and Taganov A. V. "Slot transition from gap waveguide to symmetrical strip transmission line in millimeter wavelength range." Technical Physics Letters 48, no. 10 (2022): 21. http://dx.doi.org/10.21883/tpl.2022.10.54791.19319.

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The work is devoted to the investigation of a possible realization of the transition from a waveguide transmission line to a strip line in the millimeter wavelength range. The structure of slot transition from gap waveguide to strip line transmission is developed. Determined the working dimensions of the structural parts of the transition for use in the excitation systems of antennas in the millimeter wavelength range. Simulation of the obtained structure was performed, and conclusions about its applicability in communication systems were drawn. Keywords: gap waveguide, radiating slot, strip t

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45

Golovkov, Alexander A., Polina V. Terenteva, Alexander G. Zhuravlev, Michail S. Shmyrin, and Nikolay S. Stenyukov. "BROADBAND MICROWAVE VIVALDI ANTENNA USING COPLANAR FEED LINE." Journal of the Russian Universities. Radioelectronics, no. 6 (January 18, 2019): 13–19. http://dx.doi.org/10.32603/1993-8985-2018-21-6-13-19.

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Nowadays Vivaldi antennas are used as directional emitters with matching and balancing device at the input. As a rule, these devices cause additional losses in case of broadband operation. Besides, the use of the device leads to radiator pattern distortions, especially when operating in a wide frequency range. Stringent operating requirements (wide operating temperature, high humidity, salt fog, vibration, etc.), make the choice of proper chip very complicated. The aim of the study is to develop a slot antenna with a 50-ohm port at the input, which would be easy to manufacture and operate, whi

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46

Samsuzzaman, M., M. T. Islam, J. S. Mandeep, and N. Misran. "Printed Wide-Slot Antenna Design with Bandwidth and Gain Enhancement on Low-Cost Substrate." Scientific World Journal 2014 (2014): 1–10. http://dx.doi.org/10.1155/2014/804068.

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This paper presents a printed wide-slot antenna design and prototyping on available low-cost polymer resin composite material fed by a microstrip line with a rotated square slot for bandwidth enhancement and defected ground structure for gain enhancement. An I-shaped microstrip line is used to excite the square slot. The rotated square slot is embedded in the middle of the ground plane, and its diagonal points are implanted in the middle of the strip line and ground plane. To increase the gain, four L-shaped slots are etched in the ground plane. The measured results show that the proposed stru

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47

Zong, Wei-Hua, Xiao-Mei Yang, Xia Xiao, et al. "A Wideband Antenna with Circular and Rectangular Shaped Slots for Mobile Phone Applications." International Journal of Antennas and Propagation 2016 (2016): 1–9. http://dx.doi.org/10.1155/2016/2975425.

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A wideband slot antenna for mobile phone applications is proposed. The antenna has two slots with open ends etched on the opposite edges of the ground plane. The main slot, of total length of 59 mm, is composed of a rectangle connected to a circle having radius of 5 mm. Another slot, having a rectangular shape with width of 2.8 mm and length of 26 mm, is employed to enhance the antenna bandwidth. The slots are fed by means of a rectangular monopole connected to a circular patch joined to a bent 50 Ω microstrip transmission line forming two right angles. To obtain a wideband impedance matching,

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48

Zhang, Y., R. G. Fenton, and J. Xu. "Two Station Geneva Mechanisms." Journal of Mechanical Design 116, no. 2 (1994): 647–53. http://dx.doi.org/10.1115/1.2919427.

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A conventional Geneva mechanism must have at least three radial slots (stations). This paper shows that it is possible to design a Geneva mechanism with only two slots, provided that the shape of the slot is not a straight radial line but a curved line. The design procedure of the two slot Geneva wheel is outlined in this paper. In addition, two different methods are provided to reduce the size of the slot and change its shape in order to make the mechanism feasible for practical applications. The reduction of the slot size is achieved either by choosing appropriate values for α0, which is the

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Li, Dongming, Guihong Feng, Wei Li, Bingyi Zhang, and Jiaxu Zhang. "Effect of Stator Slots on Electromagnetic Performance of a High-Voltage Line-Start Permanent Magnet Synchronous Motor." Energies 15, no. 9 (2022): 3358. http://dx.doi.org/10.3390/en15093358.

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Abstract:

It is well known that the use of slotted stators in motors produces undesirable effects, such as magnetic flux distortion, additional losses, ripple torque, and vibration. However, a large number of studies pay more attention to stator slots and magnetic slot wedges (MSW) in asynchronous motors and permanent magnet motors, ignoring the same problems in large capacity high voltage line start permanent magnet synchronous motors (HVLSPMSM). In order to disclose the effect of the stator slot on HVLSPMSMs, the no-load air gap magnetic field distribution and stator leakage reactance are studied. Mea

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Adam, J. "A slot-line MSW signal-to-noise enhancer." IEEE Transactions on Magnetics 21, no. 5 (1985): 1794–96. http://dx.doi.org/10.1109/tmag.1985.1064128.

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