Two-speed transmission develops higher torque in first gear and faster speeds in second gear than the single-speed transmission. The first gear ratio provides more torque, allowing the car to maintain traction in starting mode and slope climbing, while the second gear ratio allows the vehicle to reach a maximum speed of 120 km/h with an engine speed of 5,500 rpm. The maximum torque that can be achieved with the first gear (gear ratio 3.38) is approximately 2,380 Nm at a speed of 60 km/h, while the second gear forward (gear ratio 1.39) is of approximately 120 km/h. The gear changing operation has been carried out with electromagnetic actuators controlled by a fuzzy logic controller for efficient response depending on the road profile.

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Design Optimization of AEM2ST

  • Ataur Rahman,
  • Sany Izan Ihsan,
  • Fadly Jashi Darsivan Bin Ridhuan Siradj

摘要

Two-speed transmission develops higher torque in first gear and faster speeds in second gear than the single-speed transmission. The first gear ratio provides more torque, allowing the car to maintain traction in starting mode and slope climbing, while the second gear ratio allows the vehicle to reach a maximum speed of 120 km/h with an engine speed of 5,500 rpm. The maximum torque that can be achieved with the first gear (gear ratio 3.38) is approximately 2,380 Nm at a speed of 60 km/h, while the second gear forward (gear ratio 1.39) is of approximately 120 km/h. The gear changing operation has been carried out with electromagnetic actuators controlled by a fuzzy logic controller for efficient response depending on the road profile.