Patents by Inventor Gregor Probst

Gregor Probst has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 6287237
    Abstract: A brake signal which is triggered by the driver by activating the brake pedal is converted into a required braking torque. A setpoint value for the engine drag torque is determined on the basis of the braking torque. The transmission ratio of an automatic transmission is defined automatically as a function of the setpoint value for the engine drag torque by reference to a down-shift characteristic diagram. The characteristic curves of the diagram are defined with reference to the minimum engine torque.
    Type: Grant
    Filed: April 12, 2000
    Date of Patent: September 11, 2001
    Assignee: Siemens Aktiengesellschaft
    Inventors: Friedrich Graf, Gregor Probst, Florian Gutknecht-Stöhr
  • Patent number: 6188945
    Abstract: An integrated drive train control system for a motor vehicle interprets the position of the accelerator pedal and the brake pedal as a wheel torque desired by the driver. A calculating device receives signals representing the positions of the accelerator pedal and the brake pedal. Central control parameters for the drive sources and for the decelerating units of the drive train are generated on the basis of the position signals. A classification device evaluates the sensor signals from the drive train and classifies operating parameters of the motor vehicle.
    Type: Grant
    Filed: September 12, 1997
    Date of Patent: February 13, 2001
    Assignee: Siemens Aktiengesellschaft
    Inventors: Friedrich Graf, Gregor Probst, Roman Strasser
  • Patent number: 6125314
    Abstract: The drive train controller is used to calculate the position of the accelerator pedal which is interpreted as the wheel torque or transmission output torque desired by the driver, in order to calculate setpoint values for the torque to be output by the drive train. It contains a control circuit in which the desired wheel torque is evaluated, together with further operating parameters of the motor vehicle, in a fuzzy system. It outputs an output signal by which the wheel torque to be exerted on the roadway by the wheels of a motor vehicle is defined.
    Type: Grant
    Filed: July 20, 1998
    Date of Patent: September 26, 2000
    Assignee: Siemens Aktiengesellschaft
    Inventors: Friedrich Graf, Gregor Probst
  • Patent number: 6061622
    Abstract: A circuit configuration for controlling engine torque transmitted to a roadway through driven wheels of a motor vehicle includes a device for wheel-selective slip value detection and for determining a representative wheel slip, a device for specifying a set-point slip, and an engine controller that takes a slip status into account. The engine controller is preceded by a regulator, to which a difference between the set-point slip and the representative wheel slip is supplied as a control difference. A feedback signal characterizing the current engine torque is sent from the engine controller to the regulator.
    Type: Grant
    Filed: July 29, 1996
    Date of Patent: May 9, 2000
    Assignee: Siemens Aktiengesellschaft
    Inventor: Gregor Probst
  • Patent number: 6038505
    Abstract: The drive train of a motor vehicle is controlled by interpreting the position of the accelerator pedal as a wheel torque or transmission output torque desired by the driver. This information is utilized together with the position of the brake pedal for calculating central control parameters for the drive sources and decelerating units of the drive train. Data on local environmental pollution are taken into account in such a way that a drive mode of the motor vehicle, ascertained to whatever the current environmental conditions are, is ascertained and indicated to the driver. Unless the driver rejects this drive mode for special reasons, it is performed automatically.
    Type: Grant
    Filed: September 12, 1997
    Date of Patent: March 14, 2000
    Assignee: Siemens Aktiengesellschaft
    Inventors: Gregor Probst, Friedrich Graf, Roman Strasser
  • Patent number: 5842143
    Abstract: A circuit configuration for evaluating signals from a yaw rate sensor is used in particular for movement stabilization in a motor vehicle. There is provided a controller which receives the signals from the yaw rate sensor and from further sensors. The further sensors detect motion state dependent variables, such as for example wheel speed, steering wheel angle, lateral acceleration and longitudinal acceleration. The controller calculates from one or more of these further sensors a reference yaw rate. The reference yaw rate is compared with the yaw rate measured by the yaw rate sensor. The plausibility of the yaw rate sensor signal is also checked, taking account of the motion state. If the difference between the measured yaw rate and the reference yaw rate determined in the plausibility check is above a predetermined threshold value, then the yaw rate sensor is identified as being faulty.
    Type: Grant
    Filed: September 25, 1996
    Date of Patent: November 24, 1998
    Assignee: Siemens Aktiengesellschaft
    Inventors: Frank Lohrenz, Frank Menten, Gregor Probst
  • Patent number: 5719790
    Abstract: A method and a circuit configuration for compensating for signal errors of a yaw velocity sensor used in regulating driving stability of a motor vehicle include ascertaining a driving state in which an offset of a yaw velocity sensor is unequivocally determinable from electrical signals of at least one of a steering wheel angle sensor, wheel speed sensors and a transverse acceleration sensor, ascertaining the offset from the signals of one of the sensors in the driving state, and calculating a yaw velocity from the electrical signals of at least one of the sensors. Driving states are ascertained at a beginning and at an end of a predetermined time interval in which the yaw velocities of the motor vehicle are unequivocally determinable and differ from one another, the yaw velocities are calculated and associated signal voltages of the yaw velocity sensor are fixed at those instants. A sensitivity is calculated from the calculated yaw velocities and the associated signal voltages of the yaw velocity sensor.
    Type: Grant
    Filed: January 30, 1996
    Date of Patent: February 17, 1998
    Assignee: Siemens Aktiengesellschaft
    Inventors: Frank Lohrenz, Frank Menten, Gregor Probst
  • Patent number: 5513907
    Abstract: A frictional value between a motor vehicle tire and a road surface is determined for use in an ABS system or a traction control system. Various sensors at the automobile ascertain the vehicle speed and the brake pressure at individual wheels. The angular acceleration of the wheel is calculated from the angular velocity thereof. A wheel slip is calculated from the vehicle speed and from the angular acceleration. The dependency of the coefficient of friction is approximated from the wheel slip with a non-linear approximation equation. The current estimation value for the coefficient of friction is estimated with a recursive estimation algorithm from measurement values previously ascertained during a preceding measuring instant.
    Type: Grant
    Filed: June 22, 1994
    Date of Patent: May 7, 1996
    Assignee: Siemens Aktiengesellschaft
    Inventors: Uwe Kiencke, Armin Daiss, Gregor Probst
  • Patent number: 5390117
    Abstract: A control for a motor vehicle transmission automatically shifts transmission gears as a function of at least a driving pedal position and vehicle speed on the basis of shifting performance graphs stored in memory, and takes a load state of the motor vehicle and the driving style of the driver into account. A fuzzy logic controller with a rule base evaluates various signals characterizing driving states of the motor vehicle, and thereupon generates the following control signals: a first correcting signal characterizing the load state of the motor vehicle, and a second correcting signal characterizing the driving style, bringing about a switchover to corresponding shifting performance graphs; and an inhibit signal preventing shifting events that would produce a dynamically unfavorable driving state.
    Type: Grant
    Filed: June 28, 1993
    Date of Patent: February 14, 1995
    Assignee: Siemens Aktiengesellschaft
    Inventors: Friedrich Graf, Gregor Probst, Hans-Georg Weil