Mode switching algorithms

Goal 4. Provide chronotropic support and mode-switching algorithms as required. 

Purerfellner H, Ruiter JH, Widdershoven JW, et al. Reduction of atrial tachyarrhythmia episodes during the overdrive pacing period using the post-mode switch overdrive pacing (PMOP) algorithm. Heart Rhythm 2006 3 1164-71. 

Special programming features such as rate adaption, magnet response algorithms to suppress atrial fibrillation, mode switch response, and premature ventricular contraction responses should be programmed off. ... 

Palma EC, Kedarnath V, Vankawalla V, et al., Effect of varying atrial sensitivity, AV interval, and detection algorithm on automatic mode switching, PACE 1996 19 1734-1739. 

This can be thought of as an enhanced split-range scheme. Aside from the fast and accurate temperature cycles that result, the beauty of this concept is that the operator has only one controller to deal with. In addition, whenever the controller mode is switched to manual, the output ramped up and the steam accordingly comes on, the second algorithm shuts down the coolant, drains the jacket, and checks any other interlocks. 

As early as 1974, Thoma introduced the concept of time dependent junctions [24] in order to switch off and on connections between power ports. Mosterman picked up this idea and introduced controlled Junctions [21], In contrast to switched power junctions, a local control algorithm associated with a controlled junction switches off all adjacent bonds of a controlled junction when a switching device considered as an ideal switch turns off and re-activates all bonds when the switch is closed. That is, an ideal switch in ON-mode is represented by a standard 0- or 1-junction. In OFF-mode the junction is replaced by a source of value zero as shown in Fig. 2.10. 

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