As a critical component in modern mechanical transmission systems, the performance of jaw-type electromagnetic clutches directly impacts system stability and efficiency. This paper provides a systematic review of the design, optimization, and research progress of jaw-type electromagnetic clutches. To address the challenge of improving engagement efficiency, the study explores optimization strategies from the perspectives of tooth profile design, electromagnetic force enhancement, and control methodologies. Furthermore, the paper identifies current research gaps and outlines future development trends, including dynamic tooth profiles, adaptive control systems, and application of novel materials, offering insights for advanced research and technological innovation in this field.
ZhangB. Improvement and selection of electromagnetic clutches. Mach Tool1981; 3: 35–39.
2.
SunJ. Mechanical optimal design. China Machine Press, 1999.
3.
ZhangE. Mechanical and engineering optimal design. Science Press, 2008, pp.151–161.
4.
LiuYQinDJiangH, et al. Clutch torque formulation and calibration for dry dual clutch transmissions. Mech Mach Theory2011; 46(2): 218–227.
5.
CamilleriRArmstrongPEwinN, et al. The value of a clutch mechanism in electric vehicles. In: 2013 world electric vehicle symposium and exhibition (EVS27), 2013, pp.1–11. IEEE.
6.
FengY. The application and development process of electromagnetic clutch in automobile generator. Auto Time2022; 16: 146–148.
7.
WuD. Virtual prototype design of electromagnetic clutch for wheel drive system. Huazhong University of Science and Technology, 2013.
8.
CaiW. Design and experimental research on novel electromagnetic clutch dedicated for in-wheel drive. Huazhong University of Science and Technology, 2015.
9.
FengDTanBYuanY, et al. Structure design of electromagnetic clutch under adverse circumstances. Mach Design Manufact2012; (1): 13–14.
10.
ChenYQuLXinB, et al. The application of electromagnetic multidisc clutches for wet operation. J Shenyang Inst Aeronaut Eng2004; 21(1): 63–64.
11.
WangCXuS. Study on performance analysis of vehicle magnetic powder clutch with permanent magnet. In: 2011 fourth international conference on information and computing, 2011, pp.208–211. IEEE.
ZhangYZhangHWangP, et al. The design and simulation of a pneumatic tooth clutch. Hydraul Pneum Seals2017; 37(4): 1–5.
18.
LiYXingJHanS, et al. Principle and simulation analysis of a novel structure non-contact electromagnetic clutch. In: 2009 international conference on electrical machines and systems, 2009, pp.1–4. IEEE.
19.
KimJChoiSB. Design and modeling of a clutch actuator system with self-energizing mechanism. IEEE/ASME Trans Mechatron2011; 16(5): 953–966.
20.
YuWGuC. Design and implementation of an electromagnetic clutch system for hub motors. In: 2014 17th international conference on electrical machines and systems (ICEMS), 2014, pp.1183–1186. IEEE.
TangH. High-performance permanent magnet bistable electromagnetic clutch. China Patent, Bengbu Keda Electrical Appliance Co., Ltd., 2022.
23.
JinZ. Analysis and research of electromagnetic clutch braking after power off based on steering tool. Yangtze University, 2022.
24.
LinJLinZYangJ, et al. Development of electromagnetic clutch. Auto Time2022; (3): 158–159.
25.
LiJ. The optimal design and dynamic characteristic research for the electromagnetic clutch of well tractor. Harbin Institute of Technology, 2007, pp.22–42.
26.
WangY. Design and analysis of the electromagnetic clutch of the automobile air conditioning compressor. Inf Syst Eng2011; (3): 49–51.
27.
PirouzHBaghayipourM. Design and analysis of a new electrically controllable brushless eddy-current clutch. In: 2021 29th Iranian conference on electrical engineering (ICEE), 2021, pp.351–355. IEEE.
28.
TakeuchiMKatsuraS. Modeling of a linear variable structured elastic actuator considering modal transition of electromagnetic clutch. In: 2022 IEEE 17th international conference on advanced motion control (AMC), 2022, pp.175–180. IEEE.
29.
AkcayYTweedyORGiangrandeP, et al. Magneto-mechanical design of an electromagnetically actuated coaxial magnet coupling for fault protection. IEEE Trans Energy Convers2023; 38(3): 2085–2095.
30.
WuYZhangGWuY, et al. Study of magnetic coupler with clutch for superconducting flywheel energy storage system. IEEE Trans Appl Supercond2024; 34(5): 1–5.
31.
SunDWangYGuoZ. Study on engagement and separation process of positive trapezoid jaw clutch. J Mech Transm2015; 39(7): 167–169.
32.
XiongPGuC. Startup mode for an in-wheel motor using novel electromagnetic clutch unit. Sci Technol Eng2018; 18(33): 101–107.
33.
LiuK. Research on longitudinal dynamic control of distributed electric drive vehicle based on jaw electromagnetic clutch. North China University of Technology, 2023.
34.
YangCSuXZhouD, et al. Analysis and simulation of engagement process of jaw type electromagnetic clutch. J Mech Transm2022; 46(2): 96–101.
35.
HeJ. Research and application of engagement probability for dog clutch in automatic transmission. Automobile Appl Technol2024; 49(11): 79–85.
36.
MinowaTOchiTKuroiwaH, et al. Smooth gear shift control technology for clutch-to-clutch shifting. SAE technical paper 1999-01-1054, 1999.
37.
van BerkelKVeldpausFHofmanT, et al. Fast and smooth clutch engagement control for a mechanical hybrid powertrain. IEEE Trans Control Syst Technol2014; 22(4): 1241–1254.
38.
WangPLiPKKongLL. Research on comparison of bidirectional engaging characteristic of a novel type separable-control overrunning clutch. Appl Mech Mater2014; 556-562: 1367–1371.
39.
van BerkelKHofmanTSerrarensA, et al. Fast and smooth clutch engagement control for dual-clutch transmissions. Control Eng Pract2014; 22: 57–68.
40.
Della GattaAIannelliLPisaturoM, et al. A survey on modeling and engagement control for automotive dry clutch. Mechatronics2018; 55: 63–75.
41.
ParkJChoiS. Adaptive control method of clutch torque during clutch slip engagement. In: 2020 American control conference (ACC), 2020, pp.5439–5444. IEEE.
42.
YaoJChenLYinC, et al. Modeling of a wedge clutch in an automatic transmission. SAE technical paper 2010-01-0830, 2010.
43.
LiuKZhouKHeL. Dynamics simulation of an accelerating mechanism of automat based on ADAMS. J Ord Equip Eng2016; 37(4): 61–65.
44.
ShiGChenZNieC. Simulation analysis of the working process of roller overrunning clutch based on ADAMS. J Mech Transm2017; 41: 150–153.
45.
LiuFChenLLiD, et al. Modeling and simulation study of a novel electromechanical clutch actuation system. Adv Mech Eng2017; 9(8): 1687814017720404.
46.
WangY. Analysis and design methods of magnetic machines. Hefei University of Technology Press, 2007. pp.1–14.
47.
YueM. Multi-field coupling characteristic of electro-magnetic clutch and multidisciplinary design. Xi'an University of Technology, 2019.
48.
LorimerWHartmanA. Magnetization pattern for increased coupling in magnetic clutches. IEEE Trans Magn1997; 33(5): 4239–4241.
49.
MaX. Application and theory of electromagnetic field. Xi'an Jiaotong University Press, 2000.
50.
KhanSHCaiMGrattanKTV, et al. Computation of 3-D magnetic field distribution in long-lifetime electromagnetic actuators. IEEE Trans Magn2007; 43(4): 1161–1164.
51.
HuangY. The optical design of electromagnet based on Maxwell 3D. Jiangsu University, 2007.
52.
ZhaoF. The design optimization and dynamic simulation on high-torquean electromagnetic clutch. Harbin Engineering University, 2011.
53.
XuBYangRLiZ, et al. Simulation on electromagnetic force of automobile air-conditioning compressor electromagnetic clutch based on Maxwell 3D. Refrig Air Cond2012; 12(4): 31–35.
54.
TaoGChenHYJYY, et al. Optimal design of the magnetic field of a high-speed response solenoid valve. J Mater Process Technol2002; 129(1–3): 555–558.
55.
LiXWangAFanX, et al. Dynamic characteristics model and design of proportional solenoid valve for clutch engagement process. J Xi'an Jiaotong Univ2020; 54(5): 46–52.
56.
HuDZhangJHuL, et al. Dynamic characteristic analysis for clutch engagement process of series–parallel hybrid electric vehicle. Nonlinear Dyn2021; 105(1): 45–59.
57.
KluszczyńskiKPilchZ. A comparison study on magnetorheological multi-disc clutches in steady continuous-duty states from the viewpoint of electrical energy consumption and spatial temperature distribution. Appl Sci2022; 12(15): 7895.
58.
CaihongDYanzhuY. Analysis and improvement method of the dynamic response of electromagnetic clutch used in the tufted carpet jacquard. In: 2008 international conference on computer and electrical engineering, 2008, pp.871–875. IEEE.
59.
WangX. Standardization and serialization of the design of large slipping toothed clutch. CFHI Technol2012; 4: 34–37.
60.
ShuHChenLChenQ, et al. Optimization design and dynamic analysis for electromagnetic clutch in wheel hub motor. J Chongqing Univ2014; 37(5): 1–7.
61.
ZhangHXueWYuanY. Electromagnetic calculation and simulation analysis method of electromagnetic clutch. Mobile Power Source Veh2021; 52(1): 43–46.
62.
Bojan-DragosCAPrecupREPreitlS, et al. GWO-based optimal tuning of type-1 and type-2 fuzzy controllers for electromagnetic actuated clutch systems. IFAC-PapersOnLine2021; 54(4): 189–194.
63.
WangSChenFTianZ, et al. An enhanced magnetic equivalent circuit model for a magnetorheological clutch including nonlinear permeability, flux fringing, and leakage effects. IEEE Trans Transp Electrification2023; 9(1): 488–500.
64.
LiuEXiaoQLiW. Magnetic jaw clutch and its application in speed control. J Huazhong Inst Technol1982; (6): 119–125.
65.
MunroRGMorrishLPalmerD. Gear transmission error outside the normal path of contact due to corner and top contact. Proc Inst Mech Eng Part C: J Mech Eng Sci1999; 213(4): 389–400.
66.
GuLGuaRNiG. Main parameters and optional design of interlocking teeth clutch. J Mech Transm2006; (1): 52–53.
67.
TangJLiuXDaiJ. Study on corner contact shock of gear transmission by ANSYS/LS-DYNA software. J Vib Shock2007; 26(9): 44–46.
68.
PiaoCHHuangZYWangJ, et al. Torque analysis and shape optimization of electromagnetic clutch. Key Eng Mater2010; 426-427: 122–126.
69.
ChenX. The application technology of the double tooth type electromagnetic clutch. Electr Technol2016; (12): 125–129.
70.
ZhangJYuCShiX, et al. Application of electromagnetic clutch in valve industry and strength calculation of meshing teeth. Mech Eng2021; (3): 121–122.
71.
YanLWangJLiuX, et al. Miniaturized dual-stage rotary actuator for fast and precise positioning by overcoming the cogging torque. IEEE/ASME Trans Mechatron2025; 30: 4317–4328.
72.
YangQLiuYZhuR, et al. Improvement of the magnetic properties of a moving-coil-type high-speed on–off valve for vehicle clutch. Int J Automot Technol2025; 26: 1159–1176.
73.
FanGYangH. Characteristics of tooth embedded clutch based on ADAMS. J Mech Electr Eng2017; 34(4): 340–345.
74.
JeongHSLeeKI. Friction coefficient, torque estimation, smooth shift control law for an automatic power transmission. KSME Int J2000; 14: 508–517.
75.
GlodezSŠramlMKrambergerJ. A computational model for determination of service life of gears. Int J Fatigue2002; 24(10): 1013–1020.
76.
ChenYYangYQinD. Analysis on overall heat transfer process of multi-disk wet clutch. J Chongqing Inst Technol (Nat Sci Ed)2009; 23(5): 11–14.
77.
CappettiNPisaturoMSenatoreA. Temperature influence on the engagement uncertainty in dry clutch-amt. In: Proceedings of global powertrain congress, Detroit, USA, 2012, pp.9–10.
78.
DengTHuFSunD. An analysis on the thermoelastic instability of wet multi-disc clutch. Automot Eng2012; 34(10): 918–922.
79.
MyklebustAErikssonL. Modeling, observability, and estimation of thermal effects and aging on transmitted torque in a heavy duty truck with a dry clutch. IEEE/ASME Trans Mechatron2015; 20(1): 61–72.
80.
PilchZ. Analysis of established thermal conditions for magnetorheological clutch for different loading conditions. In: DMazurMGołębiowskiMKorkosz (eds.) Analysis and simulation of electrical and computer systems. Springer, 2015, pp.197–213.
81.
RahulRPugazhenthiREugeneJ, et al. Mathematical modelling of temperature rise in clutch and design, analysis and fabrication of cooling system for clutch. Int J Sci Eng Res2015; 6: 603–611.
82.
WangDZiBZengY, et al. An investigation of thermal characteristics of a liquid-cooled magnetorheological fluid-based clutch. Smart Mater Struct2015; 24: 055020.
83.
ZhaoHHuangQHuangK, et al. Research of the contact fatigue life of BEV two speed transmission gear. J Mech Transm2016; 40: 6–10.
84.
XiongHLuoYJiD, et al. Analysis and evaluation of temperature field and experiment for magnetorheological fluid testing devices. Adv Mech Eng2021; 13.
85.
AgyemanPKTanGAlexFJ, et al. The study on thermal management of magnetorheological fluid retarder with thermoelectric cooling module. Case Stud Therm Eng2021; 28: 101686.
86.
GaoBZhuXJiangD, et al. A tooth profile design method for the tooth-embedded clutch with dynamic engagement. J Mach Des2001; (9): 30–31.
87.
ZouYGuoNZhangX, et al. Review of torque allocation control for distributed-drive electric vehicles. China J Highw Transp2021; 34(9): 1–25.
88.
WuXWangXYuT, et al. Control of electromagnetic clutch during vehicles start. In: 2008 IEEE vehicle power and propulsion conference, 2008, pp.1–5. IEEE.
89.
KongGZhongZYuZ, et al. Vehicle starting control of wet-clutch for continuously variable transmission. In: 2009 IEEE vehicle power and propulsion conference, 2009, pp.1674–1678. IEEE.
90.
FengDTanBYuanY, et al. Study on shock of toothed electromagnetic clutch based on ANSYS/LS-DYNA software. J Mach Des2012; 29(2): 59–62.
91.
KimSOhJChoiS. Gear shift control of a dual-clutch transmission using optimal control allocation. Mech Mach Theory2017; 113: 109–125.
92.
TongXKuangY. Application of jaw electromagnetic clutch on hybrid bus. Bus Technol Res2018; 40(3): 34–37.
93.
KimJChoiSBOhJJ. Adaptive engagement control of a self-energizing clutch actuator system based on robust position tracking. IEEE/ASME Trans Mechatron2018; 23(2): 800–810.
94.
KimJChoiS. Self-energizing clutch actuator system: Basic concept and design. In: Proceedings of FISITA 2010 world automotive congress, Budapest, Hungary, 2010.
95.
SongXWuCSSunZ. Design, modeling, and control of a novel automotive transmission clutch actuation system. IEEE/ASME Trans Mechatron2012; 17(3): 582–587.
96.
BalauAECaruntuCFLazarC. Simulation and control of an electro-hydraulic actuated clutch. Mech Syst Signal Process2011; 25(6): 1911–1922.
97.
OhJJKimJChoiSB. Design of self-energizing clutch actuator for dual-clutch transmission. IEEE/ASME Trans Mechatron2016; 21(2): 795–805.
98.
ParkJChoiSOhJ, et al. Adaptive torque tracking control during slip engagement of a dry clutch in vehicle powertrain. Mech Mach Theory2019; 134: 249–266.
99.
JiangYMaJChenD, et al. Compact pneumatic clutch with integrated stiffness variation and position feedback. IEEE Robot Autom Lett2021; 6(3): 5697–5704.
ZhaoQ. Tuning process and test data analysis of automobile clutch. Automobile Parts2022; (11): 70–73.
102.
GuoCZhouZ. Analysis and optimization of clutch noise of large displacement motorcycle engine. Intern Combust Engines2023; 39(1): 19–23.
103.
LeiXPengX. Research on numerical simulation optimization of clutch damping system to improve NVH performance. South Agric Mach2024; 55(24): 141–143.
104.
WenLXuH. Reliability analysis and improvement of small four-wheel tractor clutch. Agric Equip Veh Eng2012; 50(11): 66–69.
105.
MaoX. Research on clutch reliability compensation control based on friction coefficient and its rate of change. PhD Thesis, Xiangtan University, China, 2018.
106.
ZhangJLiuXWeiH, et al. Study on shifting performance of tractor multi-clutch under different engagement rules. Agriculture2024; 14: 254.
107.
TaoEWangX. Research on path tracking and stability control strategy for four wheel distributed drive vehicles. J Mianyang Teachers’ College2025; 44(5): 23–31.
108.
HuDHeM. Analysis on reliability of agricultural machinery clutch based on generalized grey relational method. Trans Chin Soc Agric Eng2016; 32(19): 65–73.
109.
XueYWangZChenD, et al. Design and test of a new type of overrunning clutch. Machines2022; 10(12): 1188.
