[1] JOHANSSON R S, VALLBO A B. Tactile sensibility in the human hand: relative and absolute densities of four types of mechanoreceptive units in glabrous skin[J]. The Journal of Physiology, 286, 283-300(1979).

[2] JOHANSSON R S, LANDSTRO U, LUNDSTRO R. Responses of mechanoreceptive afferent units in the glabrous skin of the human hand to sinusoidal skin displacements[J]. Brain Research, 244, 17-25(1982).

[3] JOHANSSON R S, FLANAGAN J R. Coding and use of tactile signals from the fingertips in object manipulation tasks[J]. Nature Reviews Neuroscience, 10, 345-359(2009).

[4] ODDO C M, RASPOPOVIC S, ARTONI F et al. Intraneural stimulation elicits discrimination of textural features by artificial fingertip in intact and amputee humans[J]. eLife, 5, e09148(2016).

[5] TANG Chaoquan, TANG Wei, LI Cong et al. Design and performance of a tactile sening system for a bionic finger[J]. Journal of Tsinghua University (Science and Technology), 64, 421-431(2024).

[6] ZHAO Yifan, FU Xifan, LIU Binhan et al. Ultra-stretchable hydrogel thermocouples for intelligent wearables[J]. Science China Materials, 66, 1934-1940(2023).

[7] TIWANA M I, REDMOND S J, LOVELL N H. A review of tactile sensing technologies with applications in biomedical engineering[J]. Sensors and Actuators A: Physical, 179, 17-31(2012).

[8] WANG Ding, WU Deyu, YANG Daliang et al. Air-bag tactile sensor with pressure and position detection functions[J]. China Mechanical Engineering, 33, 1691-1696(2022).

[9] LV C H, WANG S X, SHI C Y. A high-precision and miniature fiber Bragg grating-based force sensor for tissue palpation during minimally invasive surgery[J]. Annals of Biomedical Engineering, 48, 669-681(2020).

[10] PUANGMALI P, ALTHOEFER K, SENEVIRATNE L D et al. State-of-the-art in force and tactile sensing for minimally invasive surgery[J]. IEEE Sensors Journal, 8, 371-381(2008).

[11] JIN Kezhen, LI Zeren, Pengyu NAN et al. Fiber Bragg grating-based fingertip tactile sensors for normal/shear forces and temperature detection[J]. Sensors and Actuators A: Physical, 357, 114368(2023).

[12] QI Hua, FENG Yan, PAN Ruizhi et al. Bionic touch sensing of wearable fingerstall based on optical fiber Bragg grating[J]. Acta Photonica Sinica, 52, 0706003(2023).

[13] QIAN Muyun, ZHANG Jiaojiao, WEI Xinyuan. Research on material recognition function of fiber Bragg grating flexible tactile sensor[J]. Chinese Journal of Scientific Instrument, 43, 206-212(2022).

[14] ZHI Xinrong, MA Shifan, XIA Yifan et al. Hybrid tactile sensor array for pressure sensing and tactile pattern recognition[J]. Nano Energy, 125, 109532(2024).

[15] LIU Kaile, WENG Ling, HU Boyang et al. Magnetostrictive-based multimodal tactile sensors for object recognition[J]. AIP Advances, 14, 015246(2024).

[16] ALSHAIKHI Z S, SALIM E T, HEKMAT W A et al. Metal-coated CYTOP FBG: pressure sensing improvement[J]. Journal of Optics, 1-7(2024).

[17] ZHUANG Wei, SUN Guangkai, LI Hong et al. FBG based shape sensing of a silicone octopus tentacle model for soft robotics[J]. Optik, 165, 7-15(2018).

[18] LEAL-JUNIOR A, SILVEIRA M, MARQUES C. A comparison of temperature compensation methods in a diaphragm-embedded FBG[J]. Results in Optics, 14, 100618(2024).

[19] DUAN Chao, CAO Jian, WANG Hui et al. FBG array arrangement optimization for impact localization[J]. Measurement Science and Technology, 35, 025206(2023).

[20] HE Qing, ZHANG Qinchao. A flexible temperature sensing finger using optical fiber grating for soft robot application[J]. Optoelectronics Letters, 17, 400-406(2021).

[21] XIAO Kun, WANG Zhuo, YE Yudong et al. PDMS-embedded wearable FBG sensors for gesture recognition and communication assistance[J]. Biomedical Optics Express, 15, 1892-1909(2024).

[22] Chengang LYU, YANG Bo, CHANG Xinyi et al. FBG tactile sensing system based on GAF and CNN[J]. IEEE Sensors Journal, 22, 18841-18849(2022).

[23] BIAZI-NETO V, MARQUES C A F, FRIZERA-NETO A et al. FBG-based sensing system to improve tactile sensitivity of robotic manipulators working in unstructured environments[J]. Sensors and Actuators A: Physical, 359, 114473(2023).

[24] Chengang LYU, YANG Bo, TIAN Jiachen et al. Three-fingers FBG tactile sensing system based on squeeze-and-excitation LSTM for object classification[J]. IEEE Transactions on Instrumentation and Measurement, 71, 1-11(2022).

[25] ZHANG Yingxuan, JIANG Qi, WANG Feiwen et al. FBG tactile sensor integrated on bronchoscope for force and contact position sensing[C], 39-50(2023).

[26] LU Guan, FU Shiwen, XU Yiming. Design and experimental research of robot finger sliding tactile sensor based on FBG[J]. Sensors, 22, 8390(2022).

[27] LI Tianliang, ZHAO Zebin, LI Xiong et al. RSM-based data-driven optimized design of a 3-D-printed building block-type FBG tactile sensor for nursing robots[J]. IEEE Transactions on Instrumentation and Measurement, 72, 1-13(2023).

[28] PRESTI D L, ZOBOLI L, ADDABBO A et al. Design optimization and characterization of a 3D-printed tactile sensor for tissue palpation[J]. IEEE Sensors Journal, 24, 12366-12373(2024).

[29] TRIPICCHIO P, D'AVELLA S, AVIZZANO C A et al. Towards robust grasping: an analysis of in-hand object motion with FBG optical fibers as force sensing technology[J]. Mechatronics, 93, 102990(2023).

[30] QIN Wei. Research on multi-parameter perception of flexible finger based on fiber Bragg grating[D](2021).

[31] SUN Shizheng, QIN Hongyu, HE Shenggang et al. Research on sliding perception of manipulators based on signal feature analysis and multi wavelet transform[J]. Chinese Journal of Scientific Instrument, 44, 299-307(2023).