Abstract: An antenna comprises a substantially circular ground plane with an upper surface and a defined center. A plurality of radiating elements are placed radially on the upper surface, arranged at constant angles around the defined center to, when electrically excited, create a plurality of circularly polarized electromagnetic emissions. Each radiating element of the plurality of radiating elements is in electrical communication with an electromagnetic source via an electrically conductive feed, the electromagnetic source configured, when in use, to create a radial excitation current on the radiating element, and further configured, when in use, to provide phase and amplitude control of the excited current on the radiating element for both beam forming and 360 degree beam steering by superposing omnidirectional circularly polarized electromagnetic emissions.

Abstract: A logic circuit for anti-circular shift-and-add multiplication of an input vector and a binary vector. The logic circuit includes a plurality of input array pairs, a plurality of shift-and-add units, and an output datapath. A shift-and-add unit of the plurality of shift-and-add units is configured to generate a shift-and-add output of a plurality of shift-and-add outputs from an input array pair of the plurality of input array pairs at each clock cycle of the logic circuit. The output datapath is configured to generate an output vector by merging the plurality of shift-and-add outputs into the output vector. The output vector includes a segment of a multiplication result of the input vector and the binary vector.

Abstract: An antenna comprises a substantially circular ground plane with an upper surface and a defined center. A plurality of radiating elements are placed radially on the upper surface, arranged at constant angles around the defined center to, when electrically excited, create a plurality of circularly polarized electromagnetic emissions. Each radiating element of the plurality of radiating elements is in electrical communication with an electromagnetic source via an electrically conductive feed, the electromagnetic source configured, when in use, to create a radial excitation current on the radiating element, and further configured, when in use, to provide phase and amplitude control of the excited current on the radiating element for both beam forming and 360 degree beam steering by superposing omnidirectional circularly polarized electromagnetic emissions.

Abstract: A method for denoising an image. The method includes training a fully convolutional neural network (FCN) and generating a reconstructed image by applying the FCN on the image. Training the FCN includes generating an nth training image of a plurality of training images, initializing the FCN with a plurality of initial weights, and repeating a first iterative process. The nth training image includes a training array In. The first iterative process includes extracting an nth denoised training image from the FCN, generating a plurality of updated weights, and replacing the plurality of initial weights with the plurality of updated weights. The nth denoised training image may be extracted by applying the FCN on the nth training image. In an exemplary embodiment, the nth denoised training image may include a denoised array În. The plurality of updated weights is generated by minimizing a loss function including ?n=1N|In?În|.

Abstract: A method for cache management in a hyperconverged infrastructure (HCI). The HCI includes a plurality of physical nodes (PNs). The method includes receiving a primary plurality of input/output (I/O) requests at a plurality of virtual machines (VMs), allocating a plurality of local caches (LCs) and a plurality of remote caches (RCs) to the plurality of VMs, receiving a secondary plurality of I/O requests at the plurality of VMs, and serving the secondary plurality of I/O requests. Each of the plurality of VMs runs on a respective corresponding PN of the plurality of PNs. The plurality of LCs and the plurality of RCs are allocated based on the primary plurality of I/O requests. The secondary plurality of I/O requests is served based on the plurality of LCs and the plurality of RCs.

Abstract: A pilot operated hydraulic directional control valve. The hydraulic directional control valve comprises a valve body, a spool, a spring and a control piston. The valve body comprises four top ports and four bottom ports. When a spring force which is applied to a first end of the spool is less than a piston force which is applied to a second end of the spool, the hydraulic directional control valve is in working position. When the spring force is greater than the piston force, the hydraulic directional control valve is in shutdown position.

Abstract: A system for calibrating the trip speed of a mechanical overspeed sensing device by manipulating the compression of a spring of the overspeed sensing device. The system may include a rotatable annular mount, on which the mechanical overspeed sensing device is mounted and a trip sensor. The system may drive a rotational movement of the annular mount with a varying speed over time during a test run. The system may designate a rotational speed of the annular device at which the trip sensor is struck by the mechanical overspeed sensing device as a measure trip speed. The measured trip speeds may be determined for various compressions of the spring of an exemplary mechanical overspeed sensing device and based on a desired tripping speed received from a user, a compression value of the spring may be selected for which the closest measured tripping speed to the desired tripping speed is obtained.

Abstract: A system for performing hardware-in-the-loop test of a turbine governor. The system includes a hydropower plant simulation subsystem and a signal interface. The hydropower plant simulation subsystem allows for simulating dynamic and kinematic behaviors of components of a hydropower plant. The hydropower plant simulation subsystem includes a memory having processor-readable instructions stored therein and a processor that accesses the memory and executes the processor-readable instructions, which, when executed by the processor configure the processor to perform a method. The method includes generating a plurality of output signals by solving mathematical models of the components of the hydropower plant for a plurality of inputs. The signal interface allows for communicating the plurality of output signals from the hydropower plant simulation subsystem to the turbine governor.

Abstract: An antenna comprises a substantially circular ground plane with an upper surface and a defined center. A plurality of radiating elements are placed radially on the upper surface, arranged at constant angles around the defined center to, when electrically excited, create a plurality of circularly polarized electromagnetic emissions. Each radiating element of the plurality of radiating elements is in electrical communication with an electromagnetic source via an electrically conductive feed, the electromagnetic source configured, when in use, to create a radial excitation current on the radiating element, and further configured, when in use, to provide phase and amplitude control of the excited current on the radiating element for both beam forming and 360 degree beam steering by superposing omnidirectional circularly polarized electromagnetic emissions.

Abstract: An antenna comprises a substantially circular ground plane with an upper surface and a defined center. A plurality of radiating elements are placed radially on the upper surface, arranged at constant angles around the defined center to, when electrically excited, create a plurality of circularly polarized electromagnetic emissions. Each radiating element of the plurality of radiating elements is in electrical communication with an electromagnetic source via an electrically conductive feed, the electromagnetic source configured, when in use, to create a radial excitation current on the radiating element, and further configured, when in use, to provide phase and amplitude control of the excited current on the radiating element for both beam forming and 360 degree beam steering by superposing omnidirectional circularly polarized electromagnetic emissions.

Abstract: A system for transporting equipment and individuals within a conduit and/or a pipeline. The system includes a ground floor, a first floor, a connecting rod, an ovality compensation mechanism, a couple of holding arms at a top end of the system, and a winch. The ground floor and the first floor are configured to receive and keep an operator onto them. The ovality compensation mechanism is attached to a lower side of the first floor by utilizing a couple of connecting chains. The ovality compensation mechanism is configured to increase a diameter of a pipe segment of the pipeline.

Abstract: Disclosed herein is an axial flux motor. The axial flux motor includes a rotating shaft, a rotor assembly, and a stator assembly. The rotor assembly includes a rotor disc, a plurality of rotor disc teeth provided on a first side of the rotor disc, and a cage. The stator assembly includes a stator base, a plurality of electromagnet assemblies, a supporting plate, and a bearing housing. An electromagnet assembly from the plurality of electromagnet assemblies comprising a core, a first fixture, a second fixture, a coil winding, and a couple of connecting screws. The yoke is configured to be secured between the first fixture and the second fixture.

Abstract: A method for changing acoustics of a performance space may include mounting a plurality of panel assemblies to a ceiling or a portion of a ceiling of the performance space. Each panel assembly of the plurality of panel assemblies may include one or more acoustic panels. The exemplary method may further include changing a distance of the one or more acoustic panels of each panel assembly of the plurality of panel assemblies from the ceiling by coupling the one or more acoustic panels of each panel assembly of the plurality of panel assemblies with a first actuating mechanism, and actuating a linear vertical movement of the one or more acoustic panels of each panel assembly of the plurality of panel assemblies along a first axis perpendicular to the ceiling utilizing the first actuating mechanism.

Abstract: A polymeric composition for enhancing grip, including a modified solvent phase and a solid phase dispersed within the modified solvent phase. The modified solvent phase may include calcium-based gel, including calcium acetate particles partially dissolved in an alcoholic solution. The solid phase also includes a polymeric matrix and a plurality of desiccant particles encompassed by the polymeric matrix. The polymeric matrix includes polyvinyl acetate (PVAc) and a thickener.

Abstract: A logic circuit for biometric authentication based on learning parity with noise. The logic circuit includes a sensor. The sensor is configured to acquire a biometric signal. The logic circuit is configured to generate a response signal from the biometric signal by implementing a finite state machine (FSM).

Abstract: A method for super-resolution photoacoustic microscopy of an object. The method includes optically exciting the object according to a plurality of excitation patterns utilizing a digital micromirror device (DMD), receiving a plurality of acoustic waves propagated from the object due to optically exciting the object, reconstructing each of a plurality of photoacoustic (PA) images from a respective acoustic wave of the plurality of acoustic waves, and obtaining a super-resolution PA image of the object from the plurality of PA images by applying a frequency domain reconstruction method to the plurality of PA images. Each of the plurality of acoustic waves are associated with a respective excitation pattern of the plurality of excitation patterns.

Abstract: A method for optically detecting mutations in a sequence of DNA is disclosed. The method includes generating an optically coded input sequence by optically coding an input sequence, generating an optically coded reference sequence by optically coding a reference sequence, generating an aligned sequence by overlapping the optically coded input sequence with the optically coded reference sequence, and determining a mutation in the input sequence with respect to the reference sequence. The input sequence includes an input arrangement of a plurality of elements. Each of the plurality of elements includes an element value of a plurality of element values. The reference sequence includes a reference arrangement of the plurality of elements. Each element of the aligned sequence includes one of a low-value element or a high-value element. The mutation is determined responsive to detecting the low-value element in the aligned sequence.

Abstract: A method and apparatus for passive pin positioning of a reconfigurable forming die is disclosed. The apparatus may include a plurality of pins disposed within a frame, and a bolt that when tightened can secure or lock the pins into position. When the bolt is loosened, the position of the pins can be adjusted. A preliminary model of a contoured surface that is to be imparted to an article by the reconfigurable forming die can be used to help define a forming surface of the reconfigurable die.

Abstract: A method for multi-connectivity communication in an application layer of a communication network. The method includes generating a plurality of decision elements and repeating a first iterative process. An ith iteration of the first iterative process includes generating an ith transmit message set by executing an application, transmitting the ith transmit message set from a transmitter to a receiver, receiving an ith receive message set of a plurality of receive message sets, and updating the plurality of decision elements. The ith transmit message set is transmitted over a plurality of networks. The ith transmit message set is transmitted based on the plurality of decision elements. Each transmit message in the ith transmit message set is associated with at least one respective network of the plurality of networks. The plurality of decision elements are updated based on a jth receive message set in the plurality of receive message sets.

Abstract: A method for quality assessment of an image. The method includes generating an (i+1)th plurality of feature maps from an image, obtaining an (i+1)th feature set of a plurality of feature sets from the (i+1)th plurality of feature maps, and extracting a score distribution for a plurality of scores from the plurality of feature sets. The plurality of scores are associated with the image. The score distribution is extracted by feeding the plurality of feature sets to a first (1st) fully connected layer of a plurality of fully connected layers. The plurality of fully connected layers are associated with a convolutional neural network.