Signal output control system and method, equipment and vehicle
A technology for outputting control and outputting control signals, which is applied in general control systems, control/regulation systems, program control, etc. problems, to avoid the failure of the signal output control function, improve reliability and fault tolerance
Inactive Publication Date: 2019-11-15
BEIJING JIAODA MICROUNION TECH
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Problems solved by technology
[0004] However, the applicant found that when the relay in the control circuit fails, the single-point failure of the relay will cause the control function of the entire control circuit to fail. For example, if the normally open contact of the relay is stuck, the control circuit cannot be disconnected from the outside output
Moreover, when the control circuit fails, it is impossible to detect whether the relay in the circuit fails
Method used
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[0032] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.
[0033] The signal output control system, method, device and vehicle according to the embodiments of the present invention will be described below with reference to the accompanying drawings.
[0034] figure 2 It is a schematic structural diagram of a signal output control system provided by an embodiment of the present invention.
[0035] Such as figure 2 As shown, the signal output control system includes an output unit 100, an execution unit 200, a switch unit 300, and a processing unit 400, wherein the processing unit 400 ...
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The invention discloses a signal output control system and method, equipment and a vehicle, and the system is characterized by comprising the following parts of an output unit for outputting a controlsignal; an execution unit for performing a corresponding operation according to the control signal; a switch unit comprising at least two switch modules and at least two control units, wherein the atleast two switch modules are connected in series between the output unit and the execution unit for turning on or off the connection between the output unit and the execution unit, and at least two control units are connected to the corresponding switch modules; and a processing unit connected to the control units for controlling the corresponding switch modules to be turned on or off by the control units. The control system still has the signal output control function when the switch modules have a single point of failure, and can diagnose the control system while maintaining the normal output of the signal, so as to promptly discover the fault in the system and improve the reliability and fault tolerance of the signal output control.
Description
technical field [0001] The invention relates to the technical field of control circuits, in particular to a signal output control system, method, device and vehicle. Background technique [0002] At present, as an electronic control device with switching function, the relay has been widely used in various control circuits. [0003] In the related technology, when controlling the signal output through the relay, the following is usually adopted: figure 1 The control circuit shown in the circuit, in which the logic processing unit 1 is connected with the relay 2, is used to control the closing or opening of the relay 2. When the relay 2 is closed, the output unit 3 at both ends of the relay 2 is connected with the execution unit 4, and the output unit 3 outputs control signals to control the execution unit 4 to perform corresponding operations. When the relay 3 is turned off, the output unit 3 is disconnected from the execution unit 4 and cannot output signals to the outside....
Claims
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Login to View More IPC IPC(8): G05B19/042
CPCG05B19/0423G05B2219/25257
Inventor 郭坤兴冯成国张荣涛
Owner BEIJING JIAODA MICROUNION TECH