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List of contents of this article:

• 1,Casino Plus free 100 What are positive feedback system and negative feedback system?
• 2, feedback System refers to the system
• 3, Feedback system introduction and details
• 4, all-terrain feedback adaptation system

What are positive feedback system and negative feedback system?

Negative feedback is the control mechanism in most cases, and positive feedback is the control mechanism in a few cases.

Current series negative feedback - stabilize the voltage gain to achieve a stable output flow. It will increase the output resistance and the input resistance. The requirement for the signal source from the perspective of negative feedback is the constant voltage source. Current parallel negative feedback - stabilize the current gain to achieve a stable output flow. It will increase the output resistance and decrease the input resistance.

Positive feedback refers to the feedback information sent by the controlled part, whose direction is consistent with the control information, which can promote or strengthen the activities of the control part. It is a form of feedback. The feedback information affects the result of the system's re-output, which further increases the deviation between the actual value and the expected value of the controlled quantity, so that the system tends to be unstable.

Feedback system refers to the system's

There is a feedback called closed-loop control system. The difference (i.e. the deviation signal) after comparing the input and feedback signals is added to the controller, and then the controlled pair is adjusted. The output of the image, thus forming a closed-loop control loop. Therefore, the closed-loop system is also known as the feedback control system, and this feedback is called negative feedback.

The feedback control system consists of a controller, a controlled object and a feedback path. In the feedback control system, regardless of the reason (external disturbance or internal changes in the system), as long as the controlled quantity deviates from the specified value, the corresponding control effect will be generated to eliminate the deviation.

The closed-loop system, also known as the "feedback system", the input of the system affects the output and is also affected by the output. There are several closed loop structures in the system.

Definition of negative feedback Negative feedback, also known as degradation feedback, is a widely used type of feedback in the control system. Here, the output signal that is different from the input phase is fed back to the input. Therefore, the two signals at the input end of the system are subtracted, and the difference between the two signals further drives the system.

Feedback system introduction and details

1. Feedback control refers to the process of returning the output information of the system to the input terminal, comparing it with the input information, and using the deviation of the two to control. Feedback control actually uses the past to guide the present and the future.

2. Classified according to whether there is feedback or not: no feedback is called open-loop control system (open-loop controlSystem), the input of this system is directly supplied to the controller and has a controlling effect on the controlled object through the controller.

3. The control system (System) that checks the output, calculates the error and is used to correct the error. Its output will be transformed in some way and fed back to the input, which is the closed-loop control system (System).

All-terrain feedback adaptation system

1. It is suitable for muddy deep ditches or ruts, uneven soft ground or very wet sand or mud road surface.

2. There are five gear settings in the Land Rover's all-terrain feedback adaptation system, in order: ordinary, grass-sand-snow, mud and rut, sand and rock modes.

3. The ordinary mode in the all-terrain adaptive system is suitable for ordinary highway driving. This mode optimizes the system for the needs of highway driving, taking into account excellent performance and power, gear shift smoothness and driving comfort. At this time, the traction control system and electronic differential lock are also in a moderately sensitive state. State.

4. Introduction to the all-terrain feedback adaptation system: The all-terrain feedback adaptation system is an innovative technology. Land Rover obtained an invention patent for this purpose, which was first used to discover 3 in 2004. Most of the Land Rover series off-road vehicles have applied this technology.

5. The all-terrain adaptive system is suitable for grassland, ice and snow, mud or water, but not very soft road surfaces. Under this kind of road condition, the road surface is relatively slippery, the adhesion is reduced, and the wheels are prone to slipping and other phenomena.