A structural health management system comprising: a structural health management apparatus comprising: a carbon nanotube element comprising one or more carbon nanotube layers , wherein said carbon nanotube element is configured to serve as a strain sensor and generate an electrical output in response to a deformation of said carbon nanotube element ; a piezoelectric element comprising one or more piezoelectric layers , wherein said piezoelectric element is configured to serve as an actuator and actuate in response to an electrical voltage applied to said piezoelectric element ; electrode elements coupled to said carbon nanotube element and said piezoelectric element , wherein said electrode elements comprise a first electrode layer and a second electrode layer , wherein said carbon nanotube layers and said piezoelectric layers are sandwiched between said first electrode layer and said second electrode layer to form said layered structure ; and a controller communicatively coupled to said structural health management apparatus , wherein said controller is configured to convert said electrical output into data representing a strain measurement value and to initiate application of an electrical voltage to said piezoelectric element to counter said strain upon said strain measurement value being equal to or greater than a predetermined threshold value. a structural health management apparatus comprising: a carbon nanotube element comprising one or more carbon nanotube layers , wherein said carbon nanotube element is configured to serve as a strain sensor and generate an electrical output in response to a deformation of said carbon nanotube element ; a piezoelectric element comprising one or more piezoelectric layers , wherein said piezoelectric element is configured to serve as an actuator and actuate in response to an electrical voltage applied to said piezoelectric element ; electrode elements coupled to said carbon nanotube element and said piezoelectric element , wherein said electrode elements comprise a first electrode layer and a second electrode layer , wherein said carbon nanotube layers and said piezoelectric layers are sandwiched between said first electrode layer and said second electrode layer to form said layered structure ; and a carbon nanotube element comprising one or more carbon nanotube layers , wherein said carbon nanotube element is configured to serve as a strain sensor and generate an electrical output in response to a deformation of said carbon nanotube element ; a piezoelectric element comprising one or more piezoelectric layers , wherein said piezoelectric element is configured to serve as an actuator and actuate in response to an electrical voltage applied to said piezoelectric element ; electrode elements coupled to said carbon nanotube element and said piezoelectric element , wherein said electrode elements comprise a first electrode layer and a second electrode layer , wherein said carbon nanotube layers and said piezoelectric layers are sandwiched between said first electrode layer and said second electrode layer to form said layered structure ; and a controller communicatively coupled to said structural health management apparatus , wherein said controller is configured to convert said electrical output into data representing a strain measurement value and to initiate application of an electrical voltage to said piezoelectric element to counter said strain upon said strain measurement value being equal to or greater than a predetermined threshold value. <EOS>