Patents by Inventor Harald Michi

Harald Michi 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: 6853903
    Abstract: A method of cruise control and distance regulation in motor vehicles, in which the distance from a vehicle driving in front is measured, and at least two operating modes (e.g., ACC and stop and go) are provided for the distance regulation, these modes being activatable in different overlapping speed ranges, and in which it is possible to switch between these operating modes in at least one direction only by a command by the driver. The speed of the vehicle driving in front is extrapolated into the future on the basis of the speed of one's own vehicle and the measured distance data and/or the relative speed data, and a switch prompt is output to the driver when the extrapolated speed is outside the allowed range for the current mode, and the current speed is within the allowed range for the other mode.
    Type: Grant
    Filed: April 16, 2003
    Date of Patent: February 8, 2005
    Assignee: Robert Bosch GmbH
    Inventors: Harald Michi, Michael Scherl, Michael Weilkes
  • Publication number: 20050015184
    Abstract: A device for the longitudinal guidance of a motor vehicle, having a sensor device for the location of objects in the nearfield of the vehicle, a controller which generates a reference variable for a motion variable of the vehicle for the regulation of the vehicle's speed, as a function of the location data of the sensor device, and an actuator which has an effect on the motion variable as a function of the reference variable, wherein a mathematical model of the actuator is stored in a memory, which describes the dynamic behavior of the actuator, that is, it produces a relationship between an input variable supplied to the actuator and an output variable of the actuator; and a compensating element is provided to convert the reference variable, by way of the model, into the input variable in such a way that the dynamic behavior of the actuator is compensated for.
    Type: Application
    Filed: June 14, 2004
    Publication date: January 20, 2005
    Inventors: Harald Michi, Michael Scherl, Michael Weilkes, Werner Uhler
  • Publication number: 20050010352
    Abstract: A cruise control system for motor vehicles is described, having a sensor device for measuring the vehicle's performance characteristics and for measuring the distance to a target object ahead of the vehicle, and a controller which is used to control the vehicle's speed or acceleration as a function of the measured performance characteristics and distance data and has a stop function for automatically braking the vehicle to a standstill as well as at least one standstill state in which the vehicle is held in a stationary position by automatic brake activation, and from which it may only drive off again via an operational command by the driver, the operational command becoming effective only when a confirmation signal is present in addition to the operational command.
    Type: Application
    Filed: May 10, 2004
    Publication date: January 13, 2005
    Inventors: Harald Michi, Michael Scherl, Michael Weilkes, Carsten Schroeder
  • Publication number: 20050004742
    Abstract: A speed controller for motor vehicles having an input device for the input of a desired speed Vset by the driver, and having a plurality of operating modes which are able to be activated in different speed ranges and differ in their functional scope. A change in the operating mode, which results in the loss of a safety-relevant function, is provided or enabled by a command of the driver, characterized by a decision unit, which, in the light of predefined criteria, determines whether a change in the desired speed Vset, which is input by the driver, is to be interpreted as a command for changing the operating mode.
    Type: Application
    Filed: January 29, 2004
    Publication date: January 6, 2005
    Inventors: Harald Michi, Michael Scherl, Michael Weilkes, Werner Uhler
  • Publication number: 20040010362
    Abstract: A method of cruise control and distance regulation in motor vehicles, in which the distance from a vehicle driving in front is measured, and at least two operating modes (e.g., ACC and stop and go) are provided for the distance regulation, these modes being activatable in different overlapping speed ranges, and in which it is possible to switch between these operating modes in at least one direction only by a command by the driver. The speed of the vehicle driving in front is extrapolated into the future on the basis of the speed of one's own vehicle and the measured distance data and/or the relative speed data, and a switch prompt is output to the driver when the extrapolated speed is outside the allowed range for the current mode, and the current speed is within the allowed range for the other mode.
    Type: Application
    Filed: April 16, 2003
    Publication date: January 15, 2004
    Inventors: Harald Michi, Michael Scherl, Michael Weilkes
  • Patent number: 6625571
    Abstract: A method for signal evaluation, e.g. with pulse wheels, is described, in which the distance between predeterminable signal edges is determined in a microcontroller that has a CPU, timer, and memory, in that upon the occurrence of signal edges, an interrupt is triggered with which the existing timer values are stored. Based on the difference between predeterminable timer values, time intervals are determined which are inversely proportional to the velocity or speed. So that it is possible to use timers with a relatively low bit count, for example 16 bits, the numerical values obtained when there is a timer overflow are also determined and are taken into account in the determination of the distances. If drum stores are used, only four bits per drum store value are required, one check bit and three bits as an overflow counter.
    Type: Grant
    Filed: August 6, 2001
    Date of Patent: September 23, 2003
    Assignee: Robert Bosch GmbH
    Inventors: Harald Michi, Bernd Lichtenberg, Michael Rink, Werner Uhler
  • Patent number: 6611741
    Abstract: A method for detecting misalignment in a motor vehicle sensor system, in which signals are emitted, signals reflected by a stationary object are received, and a relative angle and a relative distance or a longitudinal displacement and a transverse displacement between the detected object and a reference axis of the motor vehicle as well as a relative velocity between the detected object and the motor vehicle are determined on the basis of the signals emitted and received. A correction value is determined for the relative angle on the basis of the relative angle, the relative distance, and a velocity of the vehicle in question or on the basis of the longitudinal displacement, the transverse displacement, and the vehicle's own velocity.
    Type: Grant
    Filed: January 2, 2002
    Date of Patent: August 26, 2003
    Assignee: Robert Bosch GmbH
    Inventors: Harald Michi, Bernd Lichtenberg, Werner Uhler
  • Publication number: 20020165650
    Abstract: A method for detecting misalignment in a motor vehicle sensor system, in which signals are emitted, signals reflected by a stationary object are received, and a relative angle and a relative distance or a longitudinal displacement and a transverse displacement between the detected object and a reference axis of the motor vehicle as well as a relative velocity between the detected object and the motor vehicle are determined on the basis of the signals emitted and received, a correction value being determined for the relative angle on the basis of the relative angle, the relative distance, and a velocity of the vehicle in question or on the basis of the longitudinal displacement, the transverse displacement, and the vehicle's own velocity.
    Type: Application
    Filed: January 2, 2002
    Publication date: November 7, 2002
    Inventors: Harald Michi, Bernd Lichtenberg, Werner Uhler
  • Patent number: 6230093
    Abstract: A method and a device for determining a future travel-course progression or travel-course range of a vehicle whose traveling speed is controllable as a function of a distance to preceding-traveling vehicles, the future course range being determined at least on the basis of a course progression of one preceding-traveling vehicle. Moreover, a lateral offset is determined for all detected preceding-traveling vehicles. The determined future course range is limited on the basis of detected stationary objects.
    Type: Grant
    Filed: March 2, 2000
    Date of Patent: May 8, 2001
    Assignee: Robert Bosch GmbH
    Inventors: Harald Michi, Hermann Winner, Bernd Lichtenberg, Werner Uhler
  • Patent number: 5312170
    Abstract: The ABS described has phases of regulation to a setpoint slip value and phases of brake pressure control in the case of instabilities of the wheel. The setpoint slip is determined from a fixed maximum friction coefficient .mu.max and the brake pressure introduced is determined from the slip value when .mu.max occurs.
    Type: Grant
    Filed: July 2, 1992
    Date of Patent: May 17, 1994
    Assignee: Robert Bosch GmbH
    Inventors: Andreas Erban, Harald Michi, Matthias Volkert, Chi-Thuan Cao
  • Patent number: 4794538
    Abstract: Wheel speed (V.sub.R) and braking pressure (P.sub.B) applied to a wheel are continuously measured and utilized to estimated values from a mathematical system model, to obtain the physical values: coefficient of friction (.mu.), vehicle speed (V.sub.F), slope of a slip curve (d.mu./dS), slip (S), and coefficient of friction of a stationary-rotary brake couple structure. At least one of the physical values so obtained, and preferably the coefficient of friction (.mu.), vehicle speed, and slope of wheel slip curve are used to control braking pressure being applied to the wheel. Braking pressure can be controlled for example for braking in accordance with coefficient of friction and slope of the friction-slip curve, for example to operate the wheel just before the coefficient of friction drops as the wheel begins to slip. Spinning of a wheel can be avoided by controlling the braking pressure to be below slippage value.
    Type: Grant
    Filed: October 6, 1986
    Date of Patent: December 27, 1988
    Assignee: Robert Bosch GmbH
    Inventors: Chi-Thuan Cao, Helmut Janetzke, Alfred Schulz, Harald Michi