Abstract: A multiphase converter for reducing the input and output current ripples. The multiphase converter includes a system controller and power devices. Furthermore, the multiphase converter includes an active gate driver integrated circuit (IC) electrically connected to the system controller and the power devices. The active gate driver IC receives signals from the system controller and provides outputs to the power devices based, at least in part, on real-time feedback from the power devices.

Abstract: A method for locating a center of rotation of an articulated joint connecting two bones or set of bones of an upper or lower limb of a user, including performing a series of repetitive movements of sweeping one of the bones or set of bones around the joint, and simultaneously acquiring 3D positions of the bone or set of bones during said series, thereby obtaining a 3D cloud of points, computing a point referred to as center point, said center point being a searching point of the 3D searching space for which the standard deviation is the lowest considering the set of distances between the searching point and each point of the 3D cloud of points, transforming the 3D cloud of points into a plane, projecting the center point on said plane, thereby obtaining the center of rotation of the joint.

Abstract: A brake cylinder dust cover is installed on a waterproof brake cylinder. The brake cylinder includes a brake cylinder body and a front cover. A waterproof dust cover assembly is arranged on the front cover. The waterproof dust cover assembly includes a dust cover fixedly connected to the front cover, and a filter felt support and a filter felt pad which are arranged in the dust cover. The filter felt support is connected with the dust cover, and the filter felt pad is fixed on the filter felt support. An outwards extending skirt is arranged at the edge of the dust cover in the axial direction thereof.

Abstract: The invention discloses a brake cylinder dust cover and a waterproof brake cylinder using such dust cover. The brake cylinder comprises a brake cylinder body and a front cover. A waterproof dust cover assembly is arranged on the front cover. The waterproof dust cover assembly comprises a dust cover fixedly connected to the front cover, and a filter felt support and a filter felt pad which are arranged in the dust cover. The filter felt support is connected with the dust cover, and the filter felt pad is fixed on the filter felt support. An outwards extending skirt is arranged at the edge of the dust cover in the axial direction thereof.

Abstract: Methods of producing plant polyols from plant oils include reacting a plant oil with a designed reactant having one or more nucleophilic functional groups and one or more active hydrogen functional groups in the presence of an addition reaction catalyst in a single reaction step. The resultant polyols may be directly reacted with polyisocyanates to produce polyurethanes.