Abstract: A centrifugal compressor includes a compressor housing accommodating an impeller, and a casing treatment. The compressor housing include an air introduction hole through which air is introduced toward the impeller, an annular portion disposed inside the air introduction hole, and spoke portions. Each of the spoke portions connects an inner circumferential wall surface of the air introduction hole and the annular portion. The casing treatment includes a tubular portion provided on an upstream side of the annular portion in the air introduction hole in an introduction direction of the air, and wing-like portions. Each of the wing-like portions extends from the tubular portion toward a downstream side in the introduction direction of the air.

Abstract: A control device for a vehicle includes an external force information acquisition unit configured to acquire external force information on external force acting on a vehicle that is an autonomous vehicle, an external force determination unit configured to determine a kind of the external force by using the external force information, and a traveling control signal generation unit configured to generate a traveling control signal for the vehicle in accordance with the kind of the external force.

Abstract: Database manipulation, data processing and report output processing are supplied as software parts referred to as methods, respectively. In a procedure, the methods are arrayed in a sequence in which they are to be executed, and input/output files and conditions are defined for the methods, respectively. A control unit executes the methods in accordance with the conditions for thereby executing the procedure.