摘要:
[Problem] To provide a hybrid wheel loader capable of highly efficient and stable supply of motive power.[Solution] A hybrid wheel loader including: a front work machine (5) provided at the front of a vehicle; power sources including an engine (1) and an electric storage device; and a hybrid control device (20) which controls output of these power sources; characterized in that: a capacitor (11) is provided as the electric storage device; and the hybrid control device makes control to decrease a voltage of the capacitor in accordance with increase of energy held by the vehicle.
摘要:
The present invention provides a novel hydroxyquinoxaline carboxamide derivative that is useful for preventing and/or treating blood coagulation disorders. A compound represented by formula (i), or a pharmacologically acceptable salt thereof: wherein, each of R1 and R2 independently represents a group such as a hydrogen atom or a halogen atom; R3 represents a group such as a hydrogen atom; each of R4 and R5 independently represents a group such as a hydrogen atom, a halogen atom or a C1-4 alkyl group; each of R6 and R7 independently represents a hydrogen atom or a C1-4 alkyl group; X represents a group such as a C3-10 cycloalkyl group, C6-10 aryl group or a 5- to 10-membered heterocyclic group, which may be substituted with substituent(s) selected from substituent group α; Y represents a group such as —CO—, —O— or —NRa—, and Ra represents a group such as a hydrogen atom or a C1-4 alkyl group.
摘要:
The present invention provides a motor controller capable of selecting a motor drive system that provides the best possible system efficiency, according to monitored parameters indicative of the vehicle condition and the conditions of the mounted components. A drive signal processing block of the motor controller outputs drive signals to the motor by using a first drive system and a second drive system causing less switching loss than the first drive system, depending on a demanded torque for the motor. A drive system determination block, when an operating point of the motor allows selection between the first drive system and the second drive system, performs switching from the first drive system to the second drive system, based on the condition of an electric component of the vehicle or the vehicle running condition.
摘要:
A branch line branching from midway of a hydraulic conduit or each of actuator side oil passages to connect a bottom side oil chamber of a hoist cylinder to a tank is provided to the hydraulic conduit or each of the actuator side oil passages. A manual operation valve for variably adjusting the flow rate in accordance with the operation of a lever handle is provided in the branch line. Maintenance work is performed with an engine stopped in this state. Subsequently, when a vessel is lowered onto a vehicle body, hydraulic oil can be discharged through the branch line from the bottom side oil chamber of the hoist cylinder to the tank by opening the manual operation valve, so that the hoist cylinder can be automatically contracted.
摘要:
To provide a motor control apparatus that uses an inverter to drive an AC motor and hybrid automotive control apparatus adapted to drive an AC motor by use of an inverter while reducing torque pulsations during switching from PWM driving to rectangular-wave driving.The motor control apparatus 100 has a PWM driving mode in which to input a PWM signal to the inverter 8 and perform PWM driving of the AC motor 4, and a rectangular-wave driving mode in which to input a rectangular-wave signal to the inverter 8 and perform rectangular-wave driving of the AC motor 4. For switching from the PWM driving mode to the rectangular-wave driving mode, a driving-pulse switching block 140 performs the switching process within a maximum pulse-width range of high-level or low-level pulses developed in the PWM driving mode.
摘要:
[Problems] To simplify switching control of a directional control valve and to simplify the structure of a directional control valve for controlling operation of a hoist cylinder.[Means for Solving Problems] In a hydraulic drive device for vertical pivoting movement of a load carrying platform, a first directional control valve (10) has only three switchover positions that are a neutral position (10A) relating to operation of stopping and holding a load carrying platform, a switching position (10B) relating to operation of lifting the load carrying platform, and a switch over position (10C) relating to operation of forced lowering of the load carrying platform. Further, in the device, also a second directional control valve (12) has only three switchover positions that are a neutral position (12A) relating to operation of stopping and holding a load carrying platform, a switching position (12B) relating to operation of lifting the load carrying platform, and a switchover position (12C) relating to operation of allowing the load carrying platform to fall by its own weight. The device has a first on-off valve (13), a second on-off valve (14), and a third on-off valve (15) that are proportional control solenoid valves for switching an appropriate one of the first directional control valve (10) and the second directional control valve (12).
摘要:
An object of the present invention is to provide a controller for an electric four-wheel-drive vehicle, which is capable of minimizing torque changes and consuming excessive power even when the excessive power is generated by a generator. A motor control unit causes an AC motor to generate desired torque by controlling an inverter. When the power generated by the generator exceeds the power consumed by the inverter and AC motor to generate excessive power, a current command determination unit in the motor control unit consumes the excessive power by increasing a loss in the AC motor.
摘要:
There is disclosed a semiconductor device comprising at least one capacitive element group having a plurality of unit capacitive elements. At least one lead-out electrode for bottom electrodes of the unit capacitive elements of the capacitive element group is provided along a circumference going around top electrodes as a whole of the capacitive element group. The at least one lead-out electrode is provided so as to surround the top electrodes as a whole of the capacitive element group.
摘要:
An angle-torque sensor has: a torque detection coil that detects a change in state quantity in a mechanism to detect a relative angle made between input axis and output axis of a torsion bar to be twisted by a torque; an angle detection coil that detects a change in state quantity in a mechanism to detect a rotation angle of a reduction axis which rotates with a rotation being transmitted from the input axis or output axis and being reduced by a reduction mechanism; a torque detection circuit that detects the relative angle from the output of the torque detection coil; and an angle detection circuit that detects the rotation angle from the output of the angle detection coil.
摘要:
An angle-torque sensor has: a torque detection coil that detects a change in state quantity in a mechanism to detect a relative angle made between input axis and output axis of a torsion bar to be twisted by a torque; an angle detection coil that detects a change in state quantity in a mechanism to detect a rotation angle of a reduction axis which rotates with a rotation being transmitted from the input axis or output axis and being reduced by a reduction mechanism; a torque detection circuit that detects the relative angle from the output of the torque detection coil; and an angle detection circuit that detects the rotation angle from the output of the angle detection coil.