A dual circuit current loading analysis apparatus enables the efficient testing of an electrical circuit, particularly those in vehicular applications. The apparatus electrically loads two circuits simultaneously and compares those readings to a battery or power source. Circuit input ports and ports to attach to the positive and negative sides of the battery are provided and attached to a microcontroller, voltage measurement device and load test device. The results of the test are indicated on a display and LEDs.

The present invention addresses the problem of diagnosing a failure of a discharge resistor, while suppressing deterioration of discharge capacity. Disclosed is a failure diagnostic device for a discharge circuit 60 for discharging electricity from an electricity storage element 31. The discharge circuit 60 includes a resistance circuit 61 comprising a plurality of resistor blocks B connected in parallel, and each of the resistor blocks B comprises a plurality of discharge resistors Ra, Rb connected in series. During the time when electricity is being discharged from the electricity storage element 31, the failure diagnostic device diagnosis a failure of the resistance circuit 61 on the basis of a voltage or a current at a connection point P between the discharge resistors Ra, Rb.

The present disclosure relates to a device for simulating a battery of a device-under-test (DUT), comprising a battery simulation unit adapted to fit into a battery reception unit of the DUT; and a controller configured to control the battery simulation unit to simulate electrical characteristics of a battery; wherein the battery simulation unit is configured to supply electrical power to the DUT or drain electrical power from the DUT based to the simulated electrical characteristics. The device further comprises a temperature sensor configured to measure a temperature at or in the battery simulation unit; and a heater unit configured to heat the battery simulation unit.

The present disclosure relates to a device for simulating a battery of a device-under-test (DUT), comprising a battery simulation unit adapted to fit into a battery reception unit of the DUT; and a controller configured to control the battery simulation unit to simulate electrical characteristics of a battery; wherein the battery simulation unit is configured to supply electrical power to the DUT or drain electrical power from the DUT based to the simulated electrical characteristics. The device further comprises a temperature sensor configured to measure a temperature at or in the battery simulation unit; and a heater unit configured to heat the battery simulation unit.

A method and system for detecting and reporting component failures in a linear drive system may identify failed position sensors, failed position magnets, and failed drive coils in the linear drive system. As a mover travels along a track segment in the linear drive system, signals corresponding to the position of the mover and to the current commanded in each drive coil are stored. Analysis of the stored signals identifies whether one of the position sensors along the track segment, one of the position magnets on the movers, or one of the drive coils, used to propel the movers along the track, has failed.

A method capable of effectively detecting an earth state and an electrical apparatus using the same are provided. The electrical apparatus includes a first detection unit for detecting whether there is power between a power supply line L and an earth line G and outputting a first detection signal, a second detection unit for detecting whether there is power between a neutral line N and the earth line G and outputting a second detection signal, and an earth state determining unit for determining an earth state according to the first detection signal and the second detection signal and determining whether a power supply is connected in a normal phase or a reversed phase.

A system for use with an electric machine is provided. The system includes a processor and a memory comprising a set of memory modules, which, when executed by the processor, cause the processor to perform certain operations. The operations include receiving operational data from the electric machine, and generating, based on the operational data, a first set of diagnostic data, by executing a first memory module from the set of memory modules. The operations further include generating, based on the operational data, a second set of diagnostic data, by executing a second memory module from the set of memory modules, the second memory module including a set of parameters associated with a diagnostics model of the electric machine. Furthermore, the operations include effecting, based on the operational data, the first set of diagnostic data, and the second set of diagnostic data, a change in at least one parameter.

A method and system for detecting and reporting component failures in a linear drive system may identify failed position sensors, failed position magnets, and failed drive coils in the linear drive system. As a mover travels along a track segment in the linear drive system, signals corresponding to the position of the mover and to the current commanded in each drive coil are stored. Analysis of the stored signals identifies whether one of the position sensors along the track segment, one of the position magnets on the movers, or one of the drive coils, used to propel the movers along the track, has failed.

Provided is a diagnostic robot including: a communication interface; and at least one processor configured to: control the communication interface to search for at least one candidate electronic device, select a target electronic device from among the at least one candidate electronic device, and identify a component of the target electronic device on which to perform a fault diagnosis, control the communication interface to transmit information associated with a diagnosis range to the target electronic device, obtain first diagnostic data by performing a first fault diagnosis on a component of the diagnostic robot, control the communication interface to receive, from the target electronic device, second diagnostic data generated from a second fault diagnosis performed on the component of the target electronic device while the target electronic device is positioned at a diagnosis area within the diagnosis range, and identify whether there is an abnormality in the component of the target electronic device based on the first diagnostic data and the second diagnostic data.

Provided is a diagnostic robot including: a communication interface; and at least one processor configured to: control the communication interface to search for at least one candidate electronic device, select a target electronic device from among the at least one candidate electronic device, and identify a component of the target electronic device on which to perform a fault diagnosis, control the communication interface to transmit information associated with a diagnosis range to the target electronic device, obtain first diagnostic data by performing a first fault diagnosis on a component of the diagnostic robot, control the communication interface to receive, from the target electronic device, second diagnostic data generated from a second fault diagnosis performed on the component of the target electronic device while the target electronic device is positioned at a diagnosis area within the diagnosis range, and identify whether there is an abnormality in the component of the target electronic device based on the first diagnostic data and the second diagnostic data.