“…The main closed-loop control system is based upon rotary position feedback of the actuator cams in the embedded bearers, this is a cascaded-loop control system system with inner speed and current loops. Details of the sensors can be found in 9,23,24 and details of the controllers applied and tested can be found in. 9 To ensure the integrity of the system in the presence of sensing faults, the additional algorithms required are: residual generation (using input and output measurements – discussed in a later subsection); residual evaluation (using the residuals and measured outputs); and fault accommodation (used to modify the controller format if faults are present).Figure 1.FTCS overview for mechatronic switch.…”
A fault-tolerant control scheme (FTCS) was developed for a novel mechatronic track switch for the first time. The FTCS was first developed and tested on a simulation model of the system, before being applied to an experimental actuation system in the laboratory. Both the simulation and experimental results show that this FTCS works as expected and allows the switch to continue operating as desired under sensor failure, preventing damage to the switch.
“…The main closed-loop control system is based upon rotary position feedback of the actuator cams in the embedded bearers, this is a cascaded-loop control system system with inner speed and current loops. Details of the sensors can be found in 9,23,24 and details of the controllers applied and tested can be found in. 9 To ensure the integrity of the system in the presence of sensing faults, the additional algorithms required are: residual generation (using input and output measurements – discussed in a later subsection); residual evaluation (using the residuals and measured outputs); and fault accommodation (used to modify the controller format if faults are present).Figure 1.FTCS overview for mechatronic switch.…”
A fault-tolerant control scheme (FTCS) was developed for a novel mechatronic track switch for the first time. The FTCS was first developed and tested on a simulation model of the system, before being applied to an experimental actuation system in the laboratory. Both the simulation and experimental results show that this FTCS works as expected and allows the switch to continue operating as desired under sensor failure, preventing damage to the switch.
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