Essays about: "primary excavators"

Found 3 essays containing the words primary excavators.

  1. 1. Developing Primary Controls for Multiple CE-Machines in a Teleoperation's Environment

    University essay from Mälardalens högskola/Akademin för innovation, design och teknik

    Author : Ingo Andersson; Joel Garbers; [2020]
    Keywords : Assisted tele-remote operation; teleoperation; automation; Construction equipment; remote controlling; heavy machines; heavy equipment operator; human factors; assisterad telefjärrstyrning; fjärrstyrning; automatisering; tung industri; anläggningsmaskiner;

    Abstract : Background: An intermediate step towards fully autonomous construction equipment is “assisted tele-remote operation”. These sorts of operations imply that an operator remotely supports machines that has encountered a situation that autonomous systems onboard the construction machines (CM) cannot solve. READ MORE

  2. 2. Comparison of tree cavity abundance and characteristics in managed and unmanaged Swedish boreal forest

    University essay from SLU/Dept. of Wildlife, Fish and Environmental Studies

    Author : Sophie Michon; [2014]
    Keywords : birds; boreal forest; forest management; tree cavities; tree holes;

    Abstract : Tree cavities are major components of the forest ecosystem worldwide as they are required substrate for a large number of species (including nesting and roosting birds, mammals, fungi, and insects). The present study aimed to provide new knowledge on cavity density and cavity tree characteristics in the Swedish boreal zone where only little information exists on this subject. READ MORE

  3. 3. Effects of tree retention on cavity-nesting birds in northern Sweden

    University essay from SLU/Dept. of Wildlife, Fish and Environmental Studies

    Author : Eva Domingo Gómez; [2014]
    Keywords : clear-cuts; tree retention; cavities; biodiversity; primary excavators;

    Abstract : Tree cavities are of high ecological value because they influence the abundance, diversity, and conservation of many terrestrial animals in forests worldwide. However, due to forest management practices, cavity-users are under a serious threat in many forest ecosystems. READ MORE