Steer-by-wire device with redundancy function and control method
A steering-by-wire, functional technology, applied in automatic steering control components, steering mechanisms, steering rods, etc., can solve the problems of low steering safety and single redundant function.
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Embodiment 1
[0057] In this embodiment, a steering-by-wire device with redundant functions is proposed, which can avoid the failure of the steering ability of the entire steering-by-wire device with redundant functions and the failure of the driver's sense of road when it fails, Its redundant functions are relatively complete, making its steering safer.
[0058] Specifically, such as Figure 1-5 As shown, the steer-by-wire device with redundant functions includes a steering wheel 1 , a road feeling simulator 2 and a steering actuator 3 . Wherein, the road feeling simulator 2 includes a first control module 21, a torsion bar 24, and a torque angle sensor 25 arranged on the torsion bar 24, and the first control module 21 includes a first motor 212 and a first motor 212 for controlling the first motor 212. A controller 211, a second motor 214 and a second controller 213 for controlling the second motor 214, the torsion bar 24 is connected to the steering wheel 1, the first controller 211 and...
Embodiment 2
[0072] In this embodiment, a control method based on the steering-by-wire device with redundant functions in Embodiment 1 is proposed, which includes the following steps:
[0073] S10: The first power supply 61 supplies power to the first controller 211, the third controller 361 and the first communication line 41 respectively, and the second power supply 62 is respectively connected to the second controller 213, the fourth controller 363 and the second communication line 42 power supply;
[0074] S20: The first ignition switch 51 provides ignition signals to the first controller 211 and the third controller 361 respectively, and the second ignition switch 52 provides ignition signals to the second controller 213 and the fourth controller 363 respectively;
[0075] S30: the first controller 211 receives the signal of the torque angle sensor 25 and the network signal of the first communication line 41; at the same time, the second controller 213 receives the signal of the torqu...
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