# US 2002/0171475 A1 · Method and systems for power amplifying of signals > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2002/0171475 A1 - Document ID: US20020171475A1 - Status: Published application - Kind: A1 - Application number: 09/820,178 - Filed: 2001-03-28 - Published: 2002-11-21 - Earliest claimed: 2001-03-28 - Inventors: Guy Picha; Amir Katz - Web page: https://patentgrep.com/patent/US20020171475A1 ## CPC - H03F 3/217: Class D power amplifiers; Switching amplifiers - H03F 1/0244: {Stepped control} - H03F 3/2175: {using analogue-digital or digital-analogue conversion (H03F3/2173 takes precedence)} - H03F: AMPLIFIERS ## Abstract A system, receiving an input signal to be amplified and provided to a load. The system includes a switch, a shaper, a power source array, a power reservoir array and a controller. The switch is connected to the load and produces a switch output signal. The input signal and the switch output signal are received by the shaper, which produces a shaper output signal and applies it to the controller. The power source monitor monitors the source power levels of all power sources within power source array and applies the readings to the controller. The power reservoir monitor monitors the reservoir power levels of all power reservoirs within power reservoir array and applies the readings to the controller. The controller determines a switching scheme according to the shaper output signal and the power levels readings of all power sources with in power source array and all power reservoirs within power reservoir array. The controller commands the switch to apply the determined switching scheme on the power source array, power reservoir array and the load, which in turn produces a new switch output signal. ## Claims ### Claim 1 System, receiving at least one input signal to be amplified and provided to at least one respective load element, the system comprising: a switch, coupled to said at least one respective load element, for producing at least one respective switch output signal for said at least one input signal; at least one shaper determining at least one respective shaper output signal for each said at least one input signal, according to each said at least one input signal and said at least one respective switch output signal; a power source array, coupled to said switch, said power source array including at least one power source; a power reservoir array, coupled to said switch, said power reservoir array including at least one power reservoir; and a controller, coupled to said at least one shaper and to said switch, said controller determining a switching scheme according to at least a selected one of said at least one respective shaper output signal, wherein said switch applies said switching scheme to said at least one respective load element, to said power source array and to said power reservoir array. ### Claim 2 (depends on 1) The system according to claim 1, wherein said controller determines said switching scheme, further according to the source power levels of at least a selected one of said at least one power source. ### Claim 3 (depends on 1) The system according to claim 1, wherein said controller determines said switching scheme, further according to the reservoir power levels of at least a selected one of said at least one power reservoir. ### Claim 4 (depends on 3) The system according to claim 3, wherein said controller determines said switching scheme, further according to the source power levels of at least a selected one of said at least one power source. ### Claim 5 (depends on 1) The system according to claim 1, further comprising a power source monitor coupled to said power source array and to said controller, wherein said power source monitor monitors the source power levels of at least a selected one of said at least one power source and provides information respective of said monitored source power levels to said controller, and wherein said controller determines said switching scheme, further according to said information. ### Claim 6 (depends on 1) The system according to claim 1, further comprising a power reservoir monitor coupled to said power reservoir array and to said controller, wherein said power reservoir monitor monitors the reservoir power levels of at least a selected one of said at least one power reservoir and provides information respective of said monitored reservoir power levels to said controller, and wherein said controller determines said switching scheme, further according to said information. ### Claim 7 (depends on 1) The system according to claim 1, further comprising: a power source monitor coupled to said power source array and to said controller; and a power reservoir monitor coupled to said power reservoir array and to said controller, wherein said power source monitor monitors the source power levels of at least a selected one of said at least one power source and provides power source information respective of said monitored source power levels to said controller, wherein said power reservoir monitor monitors the reservoir power levels of at least a selected one of said at least one power reservoir and provides power reservoir information respective of said monitored reservoir power levels to said controller, and wherein said controller determines said switching scheme, further according to said power source information and said power reservoir information. ### Claim 8 (depends on 1) The system according to claim 1, wherein the type of each said at least one power source is selected from the list consisting of: chemical to electrical sources; physical to electrical sources; radiation to electrical sources; heat to electrical sources; and electrical to electrical sources. ### Claim 9 (depends on 1) The system according to claim 1, wherein the type of each said at least one power reservoir is selected from the list consisting of: capacitor; and inductor. ### Claim 10 (depends on 1) The system according to claim 1, wherein at least a selected one of said at least one shaper modifies the respective one of said at least one respective switch output signal, before analyzing said respective one of said at least one respective switch output signal. ### Claim 11 (depends on 1) The system according to claim 1, wherein at least one of said at least one respective shaper output signal is a subsequent best output signal. ### Claim 12 (depends on 1) The system according to claim 1, wherein at least one of said at least one respective shaper output signal is an approximation of a subsequent best output signal. ### Claim 13 (depends on 1) The system according to claim 1, wherein at least one of said at least one respective shaper output signal is a function of a subsequent best output signal. ### Claim 14 (depends on 1) The system according to claim 1, wherein said controller receives at least an additional signal, and wherein said controller determines said switching scheme further according to said at least additional signal. ### Claim 15 (depends on 14) The system according to claim 14, wherein said at least additional signal includes at least one of said at least one input signal. ### Claim 16 (depends on 1) The system according to claim 1, wherein said controller determines new switching schemes at spaced-apart time intervals. ### Claim 17 (depends on 1) The system according to claim 1, wherein said controller determines new switching schemes in real time. ### Claim 18 (depends on 1) The system according to claim 1, wherein said controller determines new switching schemes in real time upon satisfaction of a predetermined condition. ### Claim 19 (depends on 1) The system according to claim 1, further comprising at least one signal generator, coupled to said at least one shaper, wherein said at least one signal generator produces at least a selected one of said at least one input signal. ### Claim 20 (depends on 1) The system according to claim 1, wherein said switching scheme includes at least a selected one of said at least one power source. ### Claim 21 (depends on 1) The system according to claim 1, wherein said switching scheme includes at least a selected one of said at least one power reservoir. ### Claim 22 (depends on 21) The system according to claim 21, wherein said switching scheme includes at least a selected one of said at least one power source. ### Claim 23 (depends on 1) The system according to claim 1, wherein said switching scheme includes at least one component selected from the list consisting of: at least a selected one of said at least one power reservoir; at least a selected one of said at least one power source; and at least a selected one of said at least one respective load element. ### Claim 24 (depends on 1) The system according to claim 1, wherein said switching scheme is series. ### Claim 25 (depends on 1) The system according to claim 1, wherein said switching scheme is parallel. ### Claim 26 (depends on 1) The system according to claim 1, wherein said switching scheme is mixed, having parallel and series connections. ### Claim 27 (depends on 1) The system according to claim 1, wherein at least one of said at least one shaper adjusts respective shaper parameters, according to system signals provided by said system. ### Claim 28 (depends on 27) The system according to claim 27, wherein said system signals include at least one selected from the list consisting of: at least a selected one of said at least one input signal; at least a selected one of the reservoir power levels of said at least one power reservoir; at least a selected one of the source power levels of said at least one power source; and at least a selected one of said at least one respective switch output signal. ### Claim 29 (depends on 1) The system according to claim 1, wherein said controller operates according to a switching scheme selection policy and wherein said controller adjusts said switching scheme selection policy according to system signals provided by said system. ### Claim 30 (depends on 29) The system according to claim 29, wherein said system signals include at least one selected from the list consisting of: at least a selected one of said at least one input signal; at least a selected one of the reservoir power levels of said at least one power reservoir; and at least a selected one of the source power levels of said at least one power source. ### Claim 31 (depends on 1) The system according to claim 1, wherein said controller provides analog control signals to said switch. ### Claim 32 System, receiving an input signal to be amplified and provided to a load element, the system comprising: an active load, providing an active load output signal to said load element; a switch, coupled to said active load; a shaper determining a shaper output signal, according to said input signal and said active load output signal; a power source array, coupled to said switch, said power source array including at least one power source; a power reservoir array, coupled to said switch, said power reservoir array including at least one power reservoir; and a controller, coupled to said shaper and to said switch, said controller determining a switching scheme, according to said shaper output signal; wherein said switch applies said switching scheme to said power source array, to said power reservoir array and further to said active load; and wherein the active impedance of said active load is determined according to system signals provided by said system. ### Claim 33 (depends on 32) The system according to claim 32, wherein said system signals include at least one signal selected from the list consisting of: said shaper output signal; and at least one of controller commands, provided by said controller. ### Claim 34 (depends on 33) The system according to claim 33, wherein said system signals further include a switch output signal, provided by said switch. ### Claim 35 (depends on 32) The system according to claim 32, wherein said controller determines said switching scheme, further according to the source power levels of at least a selected one of said at least one power source. ### Claim 36 (depends on 32) The system according to claim 32, wherein said controller determines said switching scheme, further according to the reservoir power levels of at least a selected one of said at least one power reservoir. ### Claim 37 (depends on 36) The system according to claim 36, wherein said controller determines said switching scheme, further according to the source power levels of at least a selected one of said at least one power source. ### Claim 38 (depends on 32) The system according to claim 32, further comprising a power source monitor coupled to said power source array and to said controller, wherein said power source monitor monitors the source power levels of at least a selected one of said at least one power source, and provides information respective of said monitored source power levels to said controller. ### Claim 39 (depends on 32) The system according to claim 32, further comprising a power reservoir monitor coupled to said power reservoir array and to said controller, wherein said power reservoir monitor monitors the reservoir power levels of a selected one of said at least one power reservoir, and provides information respective of said monitored reservoir power levels to said controller. ### Claim 40 (depends on 32) The system according to claim 32, further comprising: a power source monitor coupled to said power source array and to said controller; and a power reservoir monitor coupled to said power reservoir array and to said controller, wherein said power source monitor monitors the source power levels of at least a selected one of said at least one power source and provides power source information respective of said monitored source power levels to said controller, wherein said power reservoir monitor monitors the reservoir power levels of at least a selected one of said at least one power reservoir and provides power reservoir information respective of said monitored reservoir power levels to said controller, and wherein said controller determines said switching scheme, further according to said power source information and said power reservoir information. ### Claim 41 (depends on 32) The system according to claim 32, wherein the type of each said at least one power reservoir is selected from the list consisting of: capacitor; and inductor. ### Claim 42 (depends on 32) The system according to claim 32, wherein the type of said active load is selected from the list consisting of: inductor; capacitor; resistor; electronic circuit; and power-pushing element. ### Claim 43 (depends on 32) The system according to claim 32, wherein the type of at least a selected one of said at least one power source is selected from the list consisting of: chemical to electrical sources; physical to electrical sources; radiation to electrical sources; heat to electrical sources; and electrical to electrical sources. ### Claim 44 (depends on 32) The system according to claim 32, wherein said shaper modifies said active load output signal, before analyzing said active load output signal. ### Claim 45 (depends on 32) The system according to claim 32, wherein said shaper output signal is a subsequent best output signal. ### Claim 46 (depends on 32) The system according to claim 32, wherein said shaper output signal is an approximation of a subsequent best output signal. ### Claim 47 (depends on 32) The system according to claim 32, wherein said shaper output signal is a function of a subsequent best output signal. ### Claim 48 (depends on 32) The system according to claim 32, wherein said controller receives at least an additional signal, and wherein said controller determines said switching scheme further according to said at least additional signal. ### Claim 49 (depends on 48) The system according to claim 48, wherein said at least additional signal includes said input signal. ### Claim 50 (depends on 32) The system according to claim 32, wherein said controller determines new switching schemes at spaced-apart time intervals. ### Claim 51 (depends on 32) The system according to claim 32, wherein said controller determines new switching schemes in real time. ### Claim 52 (depends on 32) The system according to claim 32, wherein said controller determines new switching schemes in real time upon satisfaction of a predetermined condition. ### Claim 53 (depends on 32) The system according to claim 32, further comprising a signal generator, coupled to said shaper, wherein said signal generator produces said input signal. ### Claim 54 (depends on 32) The system according to claim 32, wherein said switching scheme includes at least a selected one of said at least one power source. ### Claim 55 (depends on 32) The system according to claim 32, wherein said switching scheme includes at least a selected one of said at least one power reservoir. ### Claim 56 (depends on 55) The system according to claim 55, wherein said switching scheme includes at least a selected one of said at least one power source. ### Claim 57 (depends on 32) The system according to claim 32, wherein said switching scheme includes at least one component selected from the list consisting of: at least a selected one of said at least one power reservoir; at least a selected one of said at least one power source; and said active load; ### Claim 58 (depends on 32) The system according to claim 32, wherein said switching scheme is series. ### Claim 59 (depends on 32) The system according to claim 32, wherein said switching scheme is parallel. ### Claim 60 (depends on 32) The system according to claim 32, wherein said switching scheme is mixed, having parallel and series connections. ### Claim 61 (depends on 32) The system according to claim 32, wherein said shaper adjusts respective shaper parameters, according to system signals provided by said system. ### Claim 62 (depends on 61) The system according to claim 61, wherein said system signals include at least one of the list consisting of: said input signal; reservoir power levels of at least a selected one of said at least one power reservoir; source power levels of at least a selected one of said at least one power source; and switch output signal provided by said switch. ### Claim 63 (depends on 32) The system according to claim 32, wherein said controller operates according to a switching scheme selection policy and wherein said controller adjusts said switching scheme selection policy according to system signals provided by said system. ### Claim 64 (depends on 63) The system according to claim 63, wherein said system signals include at least one of the list consisting of: said input signal; reservoir power levels of at least a selected one of said at least one power reservoir; and source power levels of at least a selected one of said at least one power source. ### Claim 65 System, receiving at least one input signal to be amplified and provided to at least one respective load element, the system comprising: a switch, coupled to said at least one respective load element, for producing at least one respective switch output signal for each said at least one input signal; at least one shaper determining at least one respective shaper output signal, for each said at least one input signal, according to each said at least one input signal and said at least one respective switch output signal; a power source array, coupled to said switch, said power source array including at least one power source; a power reservoir array, coupled to said switch, said power reservoir array including at least one power reservoir; an active load array coupled to said switch, said active load array including at least one active load element; and a controller, coupled to said at least one shaper and to said switch, said controller determining a switching scheme according to at least a selected one of said at least one respective shaper output signal, wherein said switch applies said switching scheme to said at least one respective load element, to said power source array, to said active load array and to said power reservoir array; wherein the active impedance of at least a selected one of said at least one active load element is determined according to system signals provided by said system. ### Claim 66 (depends on 65) The system according to claim 65, wherein said system signals include at least one of the list consisting of: at least a selected one of said at least one respective shaper output signal; and at least one of controller commands, provided by said controller. ### Claim 67 (depends on 66) The system according to claim 66, wherein said system signals further include at least one of said at least one respective switch output signal. ### Claim 68 (depends on 65) The system according to claim 65, wherein said controller determines said switching scheme, further according to the source power levels of at least a selected one of said at least one power source. ### Claim 69 (depends on 65) The system according to claim 65, wherein said controller determines said switching scheme, further according to the reservoir power levels of at least a selected one of said at least one power reservoir. ### Claim 70 (depends on 69) The system according to claim 69, wherein said controller determines said switching scheme, further according to the source power levels of at least a selected one of said at least one power source. ### Claim 71 (depends on 65) The system according to claim 65, further comprising a power source monitor coupled to said power source array and to said controller, wherein said power source monitor monitors the source power levels of at least a selected one of said at least one power source and provides information respective of said monitored source power levels to said controller, and wherein said controller determines said switching scheme, further according to said information. ### Claim 72 (depends on 65) The system according to claim 65, further comprising a power reservoir monitor coupled to said power reservoir array and to said controller, wherein said power reservoir monitor monitors the reservoir power levels of at least a selected one of said at least one power reservoir and provides information respective of said monitored reservoir power levels to said controller, and wherein said controller determines said switching scheme, further according to said information. ### Claim 73 (depends on 65) The system according to claim 65, further comprising: a power source monitor coupled to said power source array and to said controller; and a power reservoir monitor coupled to said power reservoir array and to said controller, wherein said power source monitor monitors the source power levels of at least a selected one of said at least one power source and provides power source information respective of said monitored source power levels to said controller, wherein said power reservoir monitor monitors the reservoir power levels of at least a selected one of said at least one power reservoir and provides power reservoir information respective of said monitored reservoir power levels to said controller, and wherein said controller determines said switching scheme, further according to said power source information and said power reservoir information. ### Claim 74 (depends on 65) The system according to claim 65, wherein the type of each said at least one power source is selected from the list consisting of: chemical to electrical sources; physical to electrical sources; radiation to electrical sources; heat to electrical sources; and electrical to electrical sources. ### Claim 75 (depends on 65) The system according to claim 65, wherein the type of each said at least one power reservoir is selected from the list consisting of: capacitor; and inductor. ### Claim 76 (depends on 65) The system according to claim 65, wherein the type of said at least one active load element is selected from the list consisting of: inductor; capacitor; resistor; electronic circuit; and power-pushing element. ### Claim 77 (depends on 65) The system according to claim 65, wherein at least a selected one of said at least one shaper modifies the respective one of said at least one respective switch output signal, before analyzing said respective one of said at least one respective switch output signal. ### Claim 78 (depends on 65) The system according to claim 65, wherein at least one of said at least one respective shaper output signal is a subsequent best output signal. ### Claim 79 (depends on 65) The system according to claim 65, wherein at least one of said at least one respective shaper output signal is an approximation of a subsequent best output signal. ### Claim 80 (depends on 65) The system according to claim 65, wherein at least one of said at least one respective shaper output signal is a function of a subsequent best output signal. ### Claim 81 (depends on 65) The system according to claim 65, wherein said controller receives at least an additional signal, and wherein said controller determines said switching scheme further according to said at least additional signal. ### Claim 82 (depends on 81) The system according to claim 81, wherein said at least additional signal includes at least a selected one of said at least one input signal. ### Claim 83 (depends on 65) The system according to claim 65, wherein said controller determines new switching schemes at spaced-apart time intervals. ### Claim 84 (depends on 65) The system according to claim 65, wherein said controller determines new switching schemes in real time. ### Claim 85 (depends on 65) The system according to claim 65, wherein said controller determines new switching schemes in real time upon satisfaction of a predetermined condition. ### Claim 86 (depends on 65) The system according to claim 65, further comprising at least one signal generator, coupled to said at least one shaper, wherein said at least one signal generator produces at least a selected one of said at least one input signal. ### Claim 87 (depends on 65) The system according to claim 65, wherein said switching scheme includes at least a selected one of said at least one power source. ### Claim 88 (depends on 65) The system according to claim 65, wherein said switching scheme includes at least a selected one of said at least one power reservoir. ### Claim 89 (depends on 88) The system according to claim 88, wherein said switching scheme includes at least a selected one of said at least one power source. ### Claim 90 (depends on 65) The system according to claim 65, wherein said switching scheme includes at least one component of the list consisting of: at least a selected one of said at least one power reservoir; at least a selected one of said at least one power source; at least a selected one of said at least one active load element; and at least a selected one of said at least one respective load element. ### Claim 91 (depends on 65) The system according to claim 65, wherein said switching scheme is series. ### Claim 92 (depends on 65) The system according to claim 65, wherein said switching scheme is parallel. ### Claim 93 (depends on 65) The system according to claim 65, wherein said switching scheme is mixed, having parallel and series connections. ### Claim 94 (depends on 65) The system according to claim 65, wherein at least one of said at least one shaper adjusts respective shaper parameters, according to system signals provided by said system. ### Claim 95 (depends on 94) The system according to claim 94, wherein said system signals include at least one of the list consisting of: at least a selected one of said at least one input signal; at least a selected one of the reservoir power levels of a selected one of said at least one power reservoir; at least a selected one of the source power levels of a selected one of said at least one power source; and at least a selected one of said at least one respective switch output signal. ### Claim 96 (depends on 65) The system according to claim 65, wherein said controller operates according to a switching scheme selection policy and wherein said controller adjusts said switching scheme selection policy according to system signals provided by said system. ### Claim 97 (depends on 96) The system according to claim 96, wherein said system signals include at least one of the list consisting of: at least a selected one of said at least one input signal; at least a selected one of the reservoir power levels of a selected one of said at least one power reservoir; and at least a selected one of the source power levels of a selected one of said at least one power source. ### Claim 98 Method for amplifying at least one input signal, thereby producing at least one respective amplified input signal, to be provided to at least one respective load element, the method comprising the steps of: analyzing said at least one input signal and at least one respective feedback signal, thereby determining at least one respective desired output signal, to be applied to the said at least one respective load element; determining a switching scheme according to at least one of said at least one desired output signal; and applying said switching scheme to at least a selected one of said at least one respective load element. ### Claim 99 (depends on 98) The method according to claim 98, further determining said switching scheme according to at least a selected one signal of the list consisting of: at least a selected one of said at least one desired output signal; at least a selected one of said at least one input signal; at least a selected one of the source power levels of at least one power source; at least a selected one of the reservoir power levels of at least one power reservoir; and system signals. ### Claim 100 (depends on 98) The method according to claim 98, wherein said switching scheme includes at least a selected one of at least one power source. ### Claim 101 (depends on 98) The method according to claim 98, wherein said switching scheme includes at least a selected one of at least one power reservoir. ### Claim 102 (depends on 101) The method according to claim 101, wherein said switching scheme further includes at least a selected one of at least one power source. ### Claim 103 (depends on 98) The method according to claim 98, wherein said switching scheme further includes at least a selected one of at least one active load element. ### Claim 104 (depends on 100) The method according to claim 100, wherein said switching scheme further includes at least a selected one of at least one active load element. ### Claim 105 (depends on 101) The method according to claim 101, wherein said switching scheme further includes at least a selected one of at least one active load element. ### Claim 106 (depends on 102) The method according to claim 102, wherein said switching scheme includes at least a selected one of at least one active load element. ### Claim 107 (depends on 100) The method according to claim 100, wherein the type of each said at least one power source is selected from the list consisting of: chemical to electrical sources; physical to electrical sources; radiation to electrical sources; heat to electrical sources; and electrical to electrical sources. ### Claim 108 (depends on 101) The method according to claim 101, wherein the type of each said at least one power reservoir is selected from the list consisting of: capacitor; and inductor. ### Claim 109 (depends on 103) The method according to claim 103, wherein the type of said at least one active load element is selected from the list consisting of: inductor; capacitor; resistor; electronic circuit; and power-pushing element. ### Claim 110 (depends on 98) The method according to claim 98, wherein at least one of said at least one respective desired output signal is a subsequent best output signal. ### Claim 111 (depends on 98) The method according to claim 98, wherein at least one of said at least one respective desired output signal is an approximation of a subsequent best output signal. ### Claim 112 (depends on 98) The method according to claim 98, wherein at least one of said at least one respective desired output signal is a function of a subsequent best output signal. ### Claim 113 (depends on 98) The method according to claim 98, wherein said switching scheme is series. ### Claim 114 (depends on 98) The method according to claim 98, wherein said switching scheme is parallel. ### Claim 115 (depends on 98) The method according to claim 98, wherein said switching scheme is mixed, having parallel and series connections. ### Claim 116 (depends on 98) The method according to claim 98, wherein said switching scheme is determined at spaced-apart time intervals. ### Claim 117 (depends on 98) The method according to claim 98, wherein said switching scheme is determined in real time. ### Claim 118 (depends on 98) The method according to claim 98, wherein said switching scheme is determined in real-time upon satisfaction of a predetermined condition. ### Claim 119 (depends on 98) The method according to claim 98, wherein each said at least one respective feedback signal is selected from the list consisting of: a respective one of said at least one respective amplified input signal; and a modified respective one of said at least one respective amplified input signal. ### Claim 120 (depends on 98) The method according to claim 98, further comprising a preliminary step of receiving said at least one input signal. ### Claim 121 (depends on 98) The method according to claim 98, further comprising a step of monitoring the source power levels of a selected one of at least one power source. ### Claim 122 (depends on 98) The method according to claim 98, further comprising a step of monitoring the reservoir power levels of a selected one of at least one power reservoir. ### Claim 123 (depends on 98) The method according to claim 98, further comprising a step of setting active load impedance to at least one active load element. ### Claim 124 (depends on 98) The method according to claim 98, further comprising a step of adjusting the active load impedance of at least one active load element according to system signals. ### Claim 125 (depends on 124) The method according to claim 124, wherein said system signals include at least one of the list consisting of: at least a selected one of said at least one respective desired output signal; and at least a selected one of said at least one respective amplified input signal. ### Claim 126 (depends on 98) The method according to claim 98, further comprising a step of adjusting the analysis procedure used in said step of analyzing, according to system signals. ### Claim 127 (depends on 126) The method according to claim 126, wherein said system signals include at least one of the list consisting of: at least a selected one of said at least one input signal; at least a selected one of the reservoir power levels of at least one power reservoir; at least a selected one of the source power levels of at least one power source; at least a selected one of said at least one respective input amplified signal; and at least a selected one of said at least one respective feedback signal. ### Claim 128 (depends on 98) The method according to claim 98, further comprising a step of adjusting the determination policy of said step of determining a switching scheme, according to system signals. ### Claim 129 (depends on 128) The system according to claim 128, wherein said system signals include at least one of the list consisting of: at least a selected one of said at least one input signal; at least a selected one the reservoir power levels of at least one power reservoir; and at least a selected one of the source power levels of at least one power source.