Timeline for Transfer function of damped RLC cricuit
Current License: CC BY-SA 3.0
10 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Mar 24, 2015 at 17:04 | vote | accept | Ben Daffurn | ||
| Mar 21, 2015 at 21:45 | answer | added | Matt L. | timeline score: 1 | |
| Mar 21, 2015 at 21:21 | comment | added | rioraxe | You have to at least define an input to get a transfer function. If you want the transient response when switch is to the right, it is a well-analyzed series RLC circuit, the state of C1 gives you the initial condition. | |
| Mar 21, 2015 at 20:01 | comment | added | Ben Daffurn | Sorry i haven't been very clear about the functionality of the switch, initially the switch will make a connection between the capacitor and R1 allowing it to charge, once the capacitor is fully charged (after several hundred microseconds) the switch is set to the other position. it remains in this position until the RLC circuit has completely discharged down to 0V. I'm not sure if i could have represented it as just the RLC part with an impulse being applied across C1. From simulation the RLC part appears to behave like a second order system. | |
| Mar 21, 2015 at 19:30 | comment | added | Andy aka | You must define how the switch operates in terms of frequency of operation and duty cycle or the circuit is not analyzable. | |
| Mar 21, 2015 at 19:27 | comment | added | Roger C. | Strictly speaking a transfer function doesn't exist for a non-linear circuit as yours (because of the switch). You might however find an "averaged" transfer function, as it is commonly done when analyzing switching power supplies. | |
| Mar 21, 2015 at 19:18 | comment | added | Ben Daffurn | The switch is only used to choose between charging and discharging the cap, when connected to R1 it will charge and then when connected to R2 i will discharge. I think this is what is causing me the issue as all the examples i have found have a source powering the RLC circuit, where as in this one the capacitor is the source. | |
| Mar 21, 2015 at 19:16 | comment | added | Andy aka | Does the switch do anything? | |
| Mar 21, 2015 at 19:13 | review | First posts | |||
| Mar 21, 2015 at 19:16 | |||||
| Mar 21, 2015 at 19:13 | history | asked | Ben Daffurn | CC BY-SA 3.0 |