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| Number | Title | Issue Date |
| 7328074 | Real-time quadratic programming for control of dynamical systems Real-time control of a dynamical system is provided by determining control variables that get as close as possible to producing a desired response. Additional consideration of physical limitations leads to a convex Quadratic Program with inequality constraints that ... | 02/05/2008 |
| 7230393 | Motor control apparatus and motor control method In response to detection of a skid of drive wheels based on an increase in angular acceleration α of a rotating shaft of a motor, the control procedure of the invention refers to a map representing a variation in maximum torque Tmax against the angular acceleration... | 06/12/2007 |
| 7157871 | Intermittent drive control apparatus of motor Rotation of a capstan motor is detected by a frequency detector, and supplied to a CPU as a rotation detection signal CFG. The CPU derives a period of the rotation detection signal CFG, calculates an average rotational speed of the capstan motor on the basis of the ... | 01/02/2007 |
| 7095188 | Serial fan set and rotation speed-matching curve generation method thereof A serial fan set and rotation speed-matching curve generation method thereof are provided. The serial fan set comprises a rotation speed control module, a first fan and a second fan, in which the rotation speed control module is used to receive the power signal and ... | 08/22/2006 |
| 7023152 | Driving control device for actuator A driving control device for an actuator comprises a driving device to drive an actuator having an electric motor (30) and a driving control device (50) to control the rotation of the electric motor (30) by controlling the driving device. The dr... | 04/04/2006 |
| 6882120 | Power device for vehicle sliding door A clutch includes a moving gear member 65 being rotated integrally with a wheel at all times and engaged with a fixed gear member 69 when it is moved in a first direction and disengaged from the fixed gear member when it is moved in a second direction,... | 04/19/2005 |
| 5285139 | Method and device for controlling motor in a powered seat Method and device for controlling a motor in a powered seat, wherein one of normal and reverse drive signals from manual or auto switch is detected by a central processing unit, which in turn provides a first period of time defined between one point when ... | 02/08/1994 |
| 4906906 | Conveyance with electronic control for left and right motors A conveyance (10) is provided with: automatic limiting (223) of the rate of change in power supplied to left (26a or 232a) and right propulsion motors, whether electrically or hydraulically propelled; dynamic braking of electric propulsion motors (26a and... | 03/06/1990 |
| 4450388 | Dynamic braking of direct current motors A dynamic braking system for a D.C. traction motor which is driven from an asymmetric bridge rectifier having freewheel diodes to permit circulation of motor generated current. The system employs field reversal to ensure a generated (braking) current dire... | 05/22/1984 |
| 4355267 | Propulsion motor control apparatus A solid-state motor control apparatus operative with a plurality of series motors to determine the selection of a power mode of operation and a brake mode of operation, and including a plurality of current sensors to establish the current flow in the moto... | 10/19/1982 |
| 4296361 | Control systems A motor control system for a pair of motors which drive respective wheels of a vehicle which is steered by controlling the relative speed of the motors includes switch means, and a pair of resistors which are connected in a series circuit including the mo... | 10/20/1981 |
| 4251757 | Power control system and apparatus thereof Power control system comprising an intermittent device for applying intermittent voltage between intermittent voltage terminals; the intermittent device having a DC input terminal and at least one pair of intermittent terminals; a plurality of pairs of re... | 02/17/1981 |
| 4079296 | Variable speed AC motor control circuit A microfilm reader has a film transport mechanism driven by separate forward and reverse motors. During operation, the driven one of the motors receives full AC power for driving it at high speed. During low speed operation, the driven motor receives part... | 03/14/1978 |
