An integrated circuit detection method, apparatus, and system are disclosed, which relate to the field of electronics and resolve a problem of detecting an electrical parameter of an integrated circuit on a printed circuit board in a power-on state. A specific solution is as follows: N detection circuits (101) are disposed, where each detection circuit (101) is connected to a different integrated circuit (102), the detection circuit (101) is provided with a first detection point (a) and a second detection point (b), and the detection circuit (101) is configured to detect the electrical parameter of the integrated circuit (102) that is connected to the detection circuit (101); and N is an integer greater than or equal to 1. The solution is used in a process of detecting the electrical parameter of the integrated circuit on the printed circuit board.

The coating monitoring system is based on electrochemical impedance spectroscopy (EIS). The system consists of one or more compact and rugged mini-potentiostat modules coupled to one or more electrodes mounted on top of the paint coating of the structure being monitored. The electrodes and modules can be coated with a topcoat if desired. Alternatively, they may be mounted only temporarily to the structure for spot inspection. They periodically report to a laptop. Communications may be implemented using a wireless protocol. The units may be battery powered with an estimated battery lifetime of up to ten years, depending on the frequency of measurement and interrogation Alternative power supplies may be used to replace or supplement the battery to allow extended battery lifetime. Moisture, humidity, or other sensors may be incorporated into the coating monitor.

A method for adjusting a current sensor with a measuring element having a broken rational current-voltage characteristic curve, including:—changing the broken rational profile of the broken rational current-voltage characteristic curve of the measuring element on the basis of at least one predetermined condition.

Methods and apparatus for providing measurements in p-n junctions and taking into account the lateral current for improved accuracy are disclosed. The lateral current may be controlled, allowing the spreading of the current to be reduced or substantially eliminated. Alternatively or additionally, the lateral current may be measured, allowing a more accurate normal current to be calculated by compensating for the measured spreading. In addition, the techniques utilized for controlling the lateral current and the techniques utilized for measuring the lateral current may also be implemented jointly.

Methods and apparatuses for detecting tension on a tendon and/or mechanical deformation (e.g., breakage) of one or more steering tendon of a steerable and flexible articulating device. Theses apparatuses may have one or more tendons that are each electrically conductive and configured to steer the apparatus when tension is applied to the proximal end of the tendon. Tension and/or breakage (or other deformation) of one or more of these tendons may be detected by monitoring the electrical resistance of the tendons.

A device for capacitive sensing includes: a plurality of sensor electrodes, the plurality of sensor electrodes comprising: a plurality of receiver electrodes and a plurality of transmitter electrodes, wherein a transmitter electrode of the plurality of transmitter electrodes comprises a first portion and a second portion with a separation between the first portion and the second portion; and a processing system, configured to: drive the first portion of the transmitter electrode with a transmitter signal, receive a resulting signal corresponding to the first portion of the transmitter electrode via a first receiver electrode of the plurality of receiver electrodes, receive a reference signal corresponding to the second portion of the transmitter electrode via a second receiver electrode of the plurality of receiver electrodes, and determine a modified resulting signal based on the resulting signal and the reference signal.

The disclosure discloses a resistance test method using a Kelvin structure, which includes the following steps: step 1: providing a Kelvin test structure including a tested resistor, a first parasitic resistor, and a second parasitic resistor connected in series; step 2: applying first current to the two current test terminals and simultaneously testing first voltage in the two voltage test terminals; step 3: applying second current in a direction opposite to the direction of the first current to the two current test terminals and simultaneously testing second voltage in the two voltage test terminals; step 4: dividing a difference value obtained by subtracting the second voltage from the first voltage by a difference value between the first current and the second current to obtain the final test value of the tested resistor. The disclosure can reduce the resistance test error.

The disclosure discloses a resistance test method using a Kelvin structure, which includes the following steps: step 1: providing a Kelvin test structure including a tested resistor, a first parasitic resistor, and a second parasitic resistor connected in series; step 2: applying first current to the two current test terminals and simultaneously testing first voltage in the two voltage test terminals; step 3: applying second current in a direction opposite to the direction of the first current to the two current test terminals and simultaneously testing second voltage in the two voltage test terminals; step 4: dividing a difference value obtained by subtracting the second voltage from the first voltage by a difference value between the first current and the second current to obtain the final test value of the tested resistor. The disclosure can reduce the resistance test error.

Disclosed is a method for controlling the voltage of an electrical apparatus of a motor vehicle. The method includes the steps of measuring (E2) the voltage at the terminals of the apparatus and measuring (E3) the strength of the output current of the apparatus, calculating (E4) the values of resistance, inductance and capacitance of the equivalent circuit on the basis of the measured current strength and the measured voltage, comparing (E7, E8, E9) the calculated values of resistance, inductance and capacitance with the values of resistance, inductance and capacitance, respectively, stored in a storage area of the electronic control unit, and initiating (E12) an action if the difference between at least one of the calculated values and the corresponding stored value is above a predetermined threshold.

Disclosed is a method for controlling the voltage of an electrical apparatus of a motor vehicle. The method includes the steps of measuring (E2) the voltage at the terminals of the apparatus and measuring (E3) the strength of the output current of the apparatus, calculating (E4) the values of resistance, inductance and capacitance of the equivalent circuit on the basis of the measured current strength and the measured voltage, comparing (E7, E8, E9) the calculated values of resistance, inductance and capacitance with the values of resistance, inductance and capacitance, respectively, stored in a storage area of the electronic control unit, and initiating (E12) an action if the difference between at least one of the calculated values and the corresponding stored value is above a predetermined threshold.