About 327 results
Showing the first 200 results.
https://drivepatents.com/patents/1009912 · 24 Aug 2011
A second control unit 100 includes a current-command generating unit 10 that generates, based on a torque command T*, a current command of the motor 6, a voltage-amplitude-index calculating unit 150 that calculates, based on the current command, a voltage ...
https://drivepatents.com/patents/1010520 · 3 Aug 2011
A power conversion controller 40 includes: a correction-value calculating unit 50 that calculates a correction value DE2 to correct a voltage value BEFC from a voltage signal BEFC that is obtained by converting the voltage value BEFC detected by a first vo...
https://drivepatents.com/patents/1010495 · 3 Aug 2011
A refrigerating cycle device that can reduce power consumption while cooling capacity or heating capacity is maintained is obtained. Operation control means 100 that controls at least one of an operation capacity of a compressor 1, an air amount of an outd...
https://drivepatents.com/patents/1010881 · 27 Jul 2011
A DCDC converter includes a switching circuit 10, to an input end of which an input filer circuit is connected, a smoothing filter circuit 27 connected to an output end of the switching circuit 10 and including a reactor 5 and a capacitor 6, and a control ...
https://drivepatents.com/patents/1011085 · 13 Jul 2011
There is provided a first accommodating chamber 7 that accommodates a cooling unit frame 25 that supports a cooling unit 2. The cooling unit 2 includes a cooler 22 that cools heat generated from a snubber circuit component 23 and a semiconductor device 21 ...
https://drivepatents.com/patents/1011288 · 6 Jul 2011
A propulsion control apparatus for an electric vehicle that includes an inverter (50) that converts a direct-current voltage into an alternating-current voltage, a power storage element (60), and a DCDC converter (40) connected to the power storage element...
https://drivepatents.com/patents/1011502 · 29 Jun 2011
A rail vehicle brake control device includes a brake control unit (20) that is mounted on each truck and generates a pressure control signal (16) for controlling a brake cylinder pressure (18) that acts on a brake cylinder (27) based on a service brake com...
https://drivepatents.com/patents/1012024 · 15 Jun 2011
A vehicle control device includes plural functional modules each of which is a minimum part unit that contributes to change in input/output potentials, and has an input and an output of one power line or one set of power lines, except for power lines havin...
https://drivepatents.com/patents/1012378 · 8 Jun 2011
To provide a train braking device including a controller that controls a brake cylinder pressure acting on a brake cylinder based on a service brake command or an emergency brake command, the train braking device includes a supply valve AMV 20 for supplyin...
https://drivepatents.com/patents/1012913 · 18 May 2011
Based on rotation information of a synchronous machine (5) detected by rotation information detection means (6), control means (7) cause a converter (2) to boost a charge voltage Vc of a capacitor (3) so as to be higher than an induced voltage Vm generated...