Table 13.

Bibliographic references by alphabetical types of actuating system on the Google Patents platform.

Actuating	References
Artificial muscle (air muscle)	[83,134,167,183,277]
Electrical	[30,31,33,34,36,38,39,41,42,43,44,45,46,48,49,51,52,54,55,56,57,59,60,61,62,64,65,67,69,71,72,73,74,75,76,77,78,80,82,83,84,86,87,89,90,91,94,95,97,98,100,101,102,103,104,105,106,107,108,109,110,111,112,113,115,116,117,119,120,121,123,125,126,127,128,129,131,132,133,134,136,137,138,141,142,143,144,146,147,148,149,150,151,152,153,154,156,157,158,160,161,162,163,166,168,169,170,171,172,173,176,177,181,185,189,190,193,196,200,203,204,205,207,278,279,280,281,282,283,284,285,286,287,288,289,290,291,292,293,294,295,296,297,298,299,300,301,302,303,304,305,306,307,308,309,310,311,312,313,314,315,316,317,318,319,320,321,322,323,324,325,326,327,328,329,330,331,332,333,334,335,336,337,338,339,340]
Electro-hydraulic	[186,198]
Electro-mechanical	[36,37,68,78,81,87,88,92,93,99,118,140,158,180,182,325,341,342,343]
Electro-pneumatic	[103,344]
Hydraulic	[34,35,40,41,47,56,58,62,70,72,75,78,79,80,90,95,96,103,113,115,130,136,139,144,145,146,152,161,163,167,169,178,191,201,283,300,305,313,345,346,347]
Mechanic	[32,33,44,53,55,122,135,159,164,165,170,172,174,179,184,192,202,206,338,348,349,350,351,352,353,354,355,356,357,357,358,359,360,361,362,363,364,365,366,367,368,369,370,371]
Pneumatic	[34,35,40,41,50,51,56,58,62,66,67,70,72,75,78,79,80,85,90,95,106,113,115,136,139,144,158,161,163,169,178,188,194,199,283,300,305,313,319,372,373]
Serial elastic (SEA)	[37,105,114,288,291,297,311]
Other	[45,63,114,170,172,374,375,376]