Abstract: A working machine includes a machine body, a cabin on the machine body, an air conditioner body for air conditioning in the cabin, and a prime mover room to contain a prime mover on the machine body. The air conditioner body is disposed above the prime mover room.

Abstract: A manipulator mechanism includes a rotary shaft rotatable about an axis extending in a first horizontal direction, an operation member disposed at one of opposite ends of the rotary shaft in an axial direction thereof to rotate together with the rotary shaft, an angle sensor disposed at the other of the opposite ends of the rotary shaft in the axial direction to detect a rotation angle of the rotary shaft, and a neutral return mechanism provided between the operation member and the angle sensor to return the operation member to a neutral position from a post-operation position which is a position to which the operation member has been moved.

Abstract: A computer-implemented method of gate-fusion transpilation for a simulation operation includes receiving a quantum circuit data representing a quantum circuit. A first quantum gate manipulates a state of a qubit in the quantum circuit. A measure gate is configured to measure the state of the qubit. The quantum circuit data is compiled into a format compatible with the simulated operation of the quantum circuit. A gate-fusion transpilation procedure based on a configuration of the quantum circuit is retrieved and executed by a computing device when pre-stored in a cache, or is created and executed by the computing device when it is determined there is no pre-storage in cache. The simulated operation of the quantum circuit is performed and a result is output.

Abstract: Systems, computer-implemented methods, and computer program products to facilitate sampling-optimization for gate-level simulations are provided. According to an embodiment, a system can comprise a processor that executes computer executable components stored in memory. The computer executable components comprise a cache component that caches a state of a set of qubits within a quantum gate-level simulation after the set of qubits are reset. According to another embodiment the computer executable components further comprise an avoidance component that prevents duplicated simulation of quantum gates in the quantum gate-level simulation by using the cached state of the set of qubits to represent a quantum state produced by a previously simulated quantum gate.

Abstract: In an example in accordance with the present disclosure, a system is described. The system includes a display device and a gaze tracking system to capture eye movements of a user looking at the display device. The system also includes a controller. The controller authenticates the user based on eye movements of the user matching an eye movement authentication pattern. The controller also calibrates a computing device based on the eye movements of the user.

Abstract: Techniques for circuit serialization for parameterized-circuit simulation are described. In one example, a system is provided that comprises a processor that executes computer executable components stored in memory. The computer executable components comprise a determination component that determines a first path of computational nodes and a second path of computational nodes of a parameter tree comprising a plurality of computational nodes, wherein the first path of computational nodes and the second path of computational nodes share one or more computational nodes at the beginning of the first path of computational nodes and the second path of computational nodes. The computer executable components further comprise a serialization component that creates a serialized path of computational nodes from the first path of computational nodes and the second path of computational nodes.

Abstract: A working machine includes: an operator’s seat; and at least one pedal to be operated by being stepped on with a foot, or with feet. The at least one pedal is disposed ahead of the operator’s seat. The at least one pedal includes a pedal body extending in a predetermined direction, a pedal shaft having an axis intersecting the predetermined direction and supporting the pedal body in such a way as to allow pivotal motion of the pedal body around the axis, and a tread surface provided on an upper surface of the pedal body and being a surface on which an operator places the foot. The tread surface is sloped such that a height from the pedal body decreases gradually from a portion closer to a big toe of the foot of the operator placed thereon toward a portion closer to a little toe.

Abstract: To ease work of transferring a fuel from a fuel supply tank to a fuel tank, a fuel supply guide to be used to supply the fuel by using the fuel supply tank to the fuel tank having a tank body for storing the fuel and a fuel supply port on the upper side of the tank body includes a support member provided on an upper portion of the fuel tank, and a body member projecting from the support member in a direction away from the fuel supply port as the body member extends upward and projecting higher than the fuel supply port. The body member is capable of receiving the fuel supply tank by an upper portion thereof to support the fuel supply tank.

Abstract: A working machine includes a machine body, a first hydraulic actuator mounted on the machine body, a first control valve that controls the first hydraulic actuator, a controller that controls the first control valve, and a second hydraulic actuator that is different from the first hydraulic actuator. When the second hydraulic actuator and the first hydraulic actuator are operated in combination, the controller reduces the amount of change in the flow rate of a hydraulic fluid supplied from the first control valve to the first hydraulic actuator with respect to changes in a manipulation amount to operate the first hydraulic actuator to a value smaller than that when the first hydraulic actuator is solely operated.

Abstract: A working machine includes: an operating body switchable between a first position to prevent an operator from getting on/off an operator's seat and a second position to allow the same; a plurality of hydraulic actuators whose operation is enabled when the operating body is in the first position and disabled when in the second position; a manipulation member to be manipulated to operate the hydraulic actuators; and a pattern switching member to be operated switchingly to select one from among a plurality of manipulation patterns of the manipulation member to operate the hydraulic actuators. When the operating body is in the first position, at least a part of the pattern switching member is covered by the operating body so that the pattern switching member is impossible or difficult to be operated. When the operating body is in the second position, the pattern switching member is exposed to be operable.

Abstract: Example virtual reality controller apparatus are disclosed herein. An example controller for use with a virtual reality device implementing a virtual reality environment includes a base and a shaft supported by the base. The shaft includes a first control button associated with a first axis of a coordinate plane. The first control button is in communication with the virtual reality device. Activation of the first control button is to cause restriction of movement a virtual object in the virtual reality environment relative to the first axis. The shaft includes a second control button associated with a second axis of the coordinate plane. The second control button is in communication with the virtual reality device. Activation of the second control button is to cause restriction of movement of the virtual object in the virtual reality environment relative to the second axis.

Abstract: Embodiments are provided to simulate a quantum circuit. A system receives a quantum circuit (or its representation), generates a graph, and adds edges for each n-qubit of fusion to be applied. Costs are estimated or calculated for various paths of gate fusion between endpoints in the graph. One or more paths are selected, for example, the lowest cost path based on a Dijkstra algorithm evaluation. A unitary matrix for each gate fusion is then generated for simulating the quantum circuit. A simulation is performed locally or remotely based on the gate fusions along the selected one or more paths, and thus, improving the memory and processor performance of the simulation.

Abstract: The disclosed computer-implemented method may include (1) identifying a trigger element within a field of view presented by a display element of an artificial reality device, (2) determining a position of the trigger element within the field of view, (3) selecting a position within the field of view for a virtual widget based on the position of the trigger element, and (4) presenting the virtual widget at the selected position via the display element. Various other methods, systems, and computer-readable media are also disclosed.

Abstract: A working machine includes: a plurality of hydraulic actuators including a high-load hydraulic actuator and a low-load hydraulic actuator whose hydraulic pressure for actuation thereof is lower than that of the high-load hydraulic actuator; a plurality of direction switching valves each of which switches a direction of a hydraulic fluid for a corresponding one of the hydraulic actuators, the plurality of direction switching valves including a low-load direction switching valve that switches a direction of hydraulic fluid for the low-load hydraulic actuator; and a dummy-load forming unit that forms a dummy load in the low-load direction switching valve to suppress a variation in an actuation speed of the low-load hydraulic actuator between a time when the high-load hydraulic actuator and the low-load hydraulic actuator are operated in combination and a time when the low-load hydraulic actuator is operated singly.

Abstract: A method is described in which biometric input is associated with at least one selectable option on a user controller prior to receipt of a user selection for the at least one selectable option; a past input by a user of a previous selectable option on the user controller is identified; and the at least one selectable option is preemptively executed according to the biometric input and the past input of the previous selectable option, prior to receipt of the user selection for the at least one selectable option.

Abstract: Systems, computer-implemented methods, and computer program products to facilitate sampling of an operator in a quantum system are provided. According to an embodiment, a system can comprise a memory that stores computer executable components and a processor that executes the computer executable components stored in the memory. The computer executable components can comprise a cache component that caches a probability distribution and a quantum state of one or more Kraus operators in a quantum circuit. The computer executable components can further comprise a simulator component that simulates one or more shots of the quantum circuit based on the probability distribution and the quantum state of the one or more Kraus operators. The one or more shots are indicative of one or more algorithm execution instances.

Abstract: A stylus includes a housing, a tip portion at an end of the housing, and a control module within the housing, with the housing including a shape-changeable portion, and the control module to generate a first signal in response to the shape-changeable portion of the housing having a first effective cross-sectional area and generate a second signal in response to the shape-changeable portion of the housing having a second, different effective cross-sectional area.

Abstract: A computer-implemented method is provided for reducing a measure time of a measure process in a multi-shot simulation performed by a quantum computing simulation system. The method includes calculating probabilities from probability amplitudes before the measure process. The method further includes creating, for each node of the quantum computing simulation system, an index of probability by incrementally summing respective different ones of the probabilities into respective sums. The method also includes generating a random number for each of the multi-shots, the random number for sampling a probability distribution of the probabilities. The method additionally includes selecting the index of probability which is larger than the random number by comparing the random number generated for a given one of the multi-shots to the index of probability created for the given one of the multi-shots.

Abstract: In example implementations, an apparatus is provided. The apparatus includes a body portion and a plurality of legs movably coupled to the body portion. The body portion is to rest on a backside of a hand of a user. Each one of the plurality of legs include a curved portion to fit between fingers of a user. Respective ends of the plurality of legs are to contact a palm of the user.

Abstract: Techniques facilitating controlled NOT gate parallelization in quantum computing simulation are provided. A system can comprise a memory that stores computer executable components and a processor that executes the computer executable components stored in the memory. The computer executable components can comprise a selector component that can select a first qubit and a second qubit. The first qubit can be a control qubit. The computer executable components can also comprise a parallelization component that can reorder the first qubit with the second qubit and a replication component that can simulate a controlled NOT gate during the reordering by the parallelization component.