| 摘要 |
FIELD: measurement equipment.SUBSTANCE: device comprises a measurement bridge comprising the first and second resistors, a sensor of linear movements and a compensating element, and also a source of power supply, a logical element 2AND, a tool amplifier with a connected resistor, a pulse generator, a binary counter and an output bus, a noise generator, a logical element NOT, seven additional tool amplifiers, with connected resistors, a buffer register, an analogue switchboard with digital control and a filter, besides, the first inputs of additional tool amplifiers are connected to each other and to joined first output of the linear movement sensor, the second output of the second resistor and the first input of the tool amplifier, the second inputs of additional tool amplifiers are also connected to each other and to joined first output of a compensating element; the second output of the first resistor and the second input of the tool amplifier, the second outputs of additional tool amplifiers are connected with the common bus, the first outputs of amplifiers are connected to analogue inputs of the analogue switchboard by digital control inputs of the buffer register combined with the output, the first input of which is connected to the output of the binary counter, and the second one - to the joined output of the pulse generator and the input of the logical element NOT, the output of which is connected to the first input of the logical element 2AND, the second input of the logical element 2AND is combined with the output of the noise generator, and the output - with the input of the binary counter, the output of the analogue switchboard with digital control is connected with the input of the filter, the output of which is connected with the output bus.EFFECT: expansion of functional capabilities and increased accuracy of measurements.1 dwg |
