Dibben
George Dibben, Leicestershire GB
Patent application number | Description | Published |
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20140088835 | Electrical Power Assisted Steering System - An electric power assisted steering assembly comprises a steering mechanism which operatively connects a steering wheel to the roadwheels of a vehicle, a torque sensing means adapted to produce a first output signal indicative of the torque carried by a portion of the steering mechanism, a means for producing a second output signal indicative from a signal indicative of the angular velocity of the portion of the steering mechanism, an electric motor operatively connected to the steering mechanism, a signal processing unit adapted to receive the two output signals and to produce therefrom an overall torque demand signal representative of a torque to be applied to the steering mechanism by the motor, and a motor drive stage adapted to provide a drive current to the motor responsive to the torque demand signal. The overall torque demand signal includes a damping component that is dependent upon the second output signal. The means for producing the yaw damping component includes a filter having one pole and one zero, and in use the second signal is passed through the filter to produce the damping component, the frequency of the pole and zero being selected such that the filter provides a band between the pole and zero within which the phase of the filtered second signal and the velocity signal are further out of phase or in phase than within the band. | 03-27-2014 |
George T. Dibben, Leicester GB
Patent application number | Description | Published |
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20150094912 | System and Method for Wheel Disturbance Order Detection and Correction - An active nibble control (ANC) includes an anti-notch filter that increases the gain margin of the control and, therefore, greater disturbance rejection. The closed loop frequency response of the ANC is further enhanced by the addition of a lag-lead phase compensator filter. The addition of the lag-lead compensation filter allows use of the higher ANC gains at higher wheel frequencies to increase disturbance rejection, thereby compensating for anti-notch filter gain reduction with increasing wheel frequency. Similar results are obtained by adding a lag-lead phase compensator filter to a resonator filter in an active ANC. | 04-02-2015 |
Martin Dibben US
Patent application number | Description | Published |
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20160023258 | RAIL FOR GUIDED SCREEN SYSTEM - A method of manufacturing a guide rail for a zip-like guided screen, comprises: providing an elongate body ( | 01-28-2016 |
Martin Ross Moulson Dibben, Hertfordshire GB
Patent application number | Description | Published |
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20100132236 | DISPLAY DEVICE FOR HANGING BANNER - Banner support apparatus ( | 06-03-2010 |
20140076507 | APPARATUS FOR MOUNTING A SCREEN GUIDE RAIL | 03-20-2014 |
20160023258 | RAIL FOR GUIDED SCREEN SYSTEM - A method of manufacturing a guide rail for a zip-like guided screen, comprises: providing an elongate body ( | 01-28-2016 |