Title:
ELECTRONIC ANTISKID CONTROL APPARATUS
Document Type and Number:
Japanese Patent JPS5346590
Kind Code:
A
Abstract:
An electronic antiskid control device which comprises a frequency multiplier of the phase locked-loop type, which receives repetitive pulses of predetermined frequency representing the speed of one wheel. The phase locked-loop multiplier normally outputs a second pulse signal, the frequency of which is normally equal to the frequency of the wheel speed signal multiplied by a given number. A digital counter which is periodically reset at a frequency equal to that of the wheel speed signal measures the number of pulses of the second pulse signal during each period. The measured number is transfered into a memory element and calculating apparatus responsive to the value stored in the memory element control an antiskid cycle. In operation under normal conditions, the number stored in the memory element is constant and has no action on the calculating apparatus. In case of high deceleration or acceleration, the stored number momentarily deviates from its constant value so as to indicate a predetermined skid and control actuation of the antiskid device.
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Inventors:
GIYUI MARUUBI
Application Number:
JP11855277A
Publication Date:
April 26, 1978
Filing Date:
October 04, 1977
Export Citation:
Assignee:
DBA SA
International Classes:
B60T8/172; B60T8/66; B60T8/62; B60T8/72; (IPC1-7): B60T8/02