DE102019134683A1 - Control device for controlling the operation of a motor vehicle - Google Patents

Abstract

Control device (2) for controlling the operation of a motor vehicle (1, 1 '), which control device (2) is designed at least to control an actual speed of the motor vehicle (1, 1') as a function of a target speed, the control device (2) having a Detection device (3) which is designed to detect a current or upcoming driving situation (4, 10, 14, 19) and to generate a safety parameter that at least one of the safety of the operation of the motor vehicle (1, 1 ') in the relates to information describing the current or upcoming driving situation (4, 10, 14, 19), the control device (2) being designed to reduce the setpoint speed as a function of the generated safety parameter.

Description

The invention relates to a control device for controlling the operation of a motor vehicle, which control device is designed at least to control an actual speed of the motor vehicle as a function of a setpoint speed.

Corresponding control devices or motor vehicles which have such a control device, which are designed to control or regulate an actual speed of the motor vehicle as a function of a target speed, are basically known from the prior art. Such control devices are known in particular in the form of so-called speed control systems. These can, in particular, regulate or control the actual speed as a function of a defined target speed, for example to a target speed selected by a user of the motor vehicle.

A regulation or control of the actual speed to a previously set value and / or additionally as a function of a further condition, for example a distance to a vehicle in front, can thus be set. The control device thus controls the actual speed of the motor vehicle as a function of the setpoint speed, as long as no vehicle in front is moving more slowly in relation to the ego motor vehicle. If this is the case, a defined distance is maintained that remains between the ego motor vehicle and the vehicle in front. If the vehicle in front changes lane, the control device can again control the actual speed to the defined target speed. The terms “control” and “regulation” are used in parallel or interchangeably with reference to the control device described below; the control device is in particular also designed for regulation.

The control devices described are able to move the motor vehicle as a function of the defined target speed. In the cases described, however, the control device does not take into account the driving situation in which the motor vehicle is being operated. For example, it is not taken into account whether the currently selected setpoint speed is suitable for a section of the road ahead, in particular a driving situation ahead. As a result, driving situations can arise in which the previously set or defined target speed is perceived as uncomfortable, at least for the user of the motor vehicle, since this could be perceived by the user as too fast in various driving situations that differ in individual properties from the situation for which the user has set the target speed. If the motor vehicle drives through a bottleneck in the operation controlled by the control device, i.e. a control of the actual speed as a function of the setpoint speed, the previously defined setpoint speed can be perceived as disturbing by the user when driving through the bottleneck.

The invention is based on the object of specifying a control device which is improved in comparison and which is improved in particular with regard to the possibility of adapting the operation to a driving situation.

The object is achieved by a control device with the features of claim 1. The dependent claims relate to possible embodiments.

As described above, the invention relates to a control device for controlling the operation of a motor vehicle. The control device is basically designed to control an actual speed of the motor vehicle as a function of a previously determined setpoint speed. It is therefore basically possible to define a target speed, for example by detecting traffic signs, by selecting a target speed on the part of the user or by specifying map data. The options listed for selecting a target speed are of course not exhaustive.

The invention is based on the knowledge that the control device has a detection device which is designed to detect a current or upcoming driving situation and to generate a safety parameter that relates to at least one item of information describing the safety of the operation of the motor vehicle in the current or upcoming driving situation , wherein the control device is designed to reduce the setpoint speed as a function of the generated safety parameter.

Accordingly, it is provided that the detection device can be used to generate a safety parameter based on a current driving situation or a driving situation ahead. For this purpose, the detection device detects the current or upcoming driving situation, which is generally referred to below as “driving situation”, in order to assess the driving situation or to describe it by means of the safety parameter. The safety parameter can describe several different influencing variables that are relevant for the safety of the operation of the motor vehicle in the driving situation.

For example, objects in the area of the driving situation or in the area of a lane to which the driving situation relates can influence the safety parameters; in particular, they can describe bottlenecks or other factors that potentially influence the safety of the operation of the motor vehicle can be taken into account. If the driving situation does not require a reduction in the speed of the motor vehicle, the safety parameter can accordingly not cause a reduction in the setpoint speed, so that the specification of the safety parameter can also be implemented accordingly by the control device for such driving situations, so that the operation of the motor vehicle can be maintained at the setpoint speed previously set can be.

Driving situations that generate a corresponding safety parameter that requires a reduction in the target speed mostly relate to driving situations that contain a deviation from a standard behavior on a corresponding route section. For example, such deviations from a standard behavior can include bottlenecks, curves, objects in the area of the roadway, potential dangerous situations or other deviations from a defined course of the road, for example a course of the road with a defined curvature and lane width.

By means of the safety parameter, which, as described above, relates to information describing the safety of the operation of the motor vehicle in the relevant driving situation, it can ultimately be decided whether or at what speed the motor vehicle can be operated in the driving situation. Of course, the safety parameter can be adaptable, i.e. a corresponding reaction on the part of the control device can be selected for different driving situations. The control device is basically able to reduce the target speed as a function of the safety parameter. Depending on how the safety parameter turns out, i.e. what influence the driving situation ahead has on the safety of the operation of the motor vehicle, the safety parameter can be generated in different ways, so that the control device can undertake a corresponding, appropriate reduction in the setpoint speed.

Correspondingly, what reduction in speed is appropriate for the driving situation described by the safety parameter can also flow into the safety parameter. The exact reduction can of course depend on the user, the user being able to specify, for example, the speed at which driving through different driving situations appears comfortable for the user. In other words, the control device can be designed for at least partially automatic longitudinal guidance of the motor vehicle, wherein driving situations can be detected by means of the detection device and corresponding safety parameters are generated based on the driving situations. If the motor vehicle thus approaches the driving situation described by the safety parameter, the control device reduces the setpoint speed in this driving situation in accordance with the safety parameter.

On the one hand, this improves the safety of the operation of the motor vehicle in the driving situation. On the other hand, the driving experience of the user is improved, since the user can avoid speeds that are potentially too high and the motor vehicle can be operated in all driving situations at speeds that are acceptable to the user. In addition, the advantage is achieved that on the part of outsiders, for example pedestrians or other road users, a higher level of acceptance is also achieved by reducing the speed in corresponding driving situations.

The detection device of the control device can in particular be designed to generate the safety parameter for a route section and / or a route segment lying ahead. The detection device, for example by means of various sensors, in particular a camera, ultrasound or radar sensors, map data and the like, alone or in combination, can be designed to detect a route section in front of the ego motor vehicle or a route segment in front of the motor vehicle . Various data can be collected from the route section or route segment, for example the width of the lane, objects in the area of the lane or in the lane, data on the course of the lane, for example radii of curvature, inclines, slopes and the like.

As a result, the safety parameter can be generated by means of the control device, which on the one hand can indicate the target speed at which the motor vehicle can be operated in the described driving situation and on the other hand it can be stated up to what speed the user of the motor vehicle perceives driving through the driving situation as pleasant . Correspondingly, based on the safety parameter generated in this way, a reduction in the setpoint speed can take place, so that on the one hand the safety of the operation of the motor vehicle and on the other hand other the comfort of the user when driving through the driving situation is ensured.

According to a further embodiment of the control device described, it can be provided that the control device is designed to reduce the target speed for a detected driving situation and, after driving through the driving situation, to increase the target speed to the initial value or the target speed for a further driving situation following the driving situation to be reduced as a function of a safety parameter recorded for the further driving situation. Accordingly, the target speed is reduced by means of the control device in accordance with the safety parameter, so that the driving situation described by the safety parameter can be driven through at the reduced target speed. After driving through the driving situation, the setpoint speed can be increased back to the initial value or the setpoint speed can be adapted in accordance with the further driving situation that follows the previous driving situation.

With regard to an initial speed, this means that, depending on a detected first driving situation, a reduction in speed can be established if this is required by the safety parameter that describes the first driving situation. The reduction can be made compared to the initial value. The first driving situation can thus be driven through at the reduced target speed, that is to say a first reduction in relation to the initial speed. If the first driving situation is followed by a second driving situation that does not require a reduction in the setpoint speed in relation to the starting speed, the control device can regulate or control the actual speed of the motor vehicle in the second driving situation back to the starting value or the starting speed.

If the first driving situation is followed by a driving situation that also requires a reduction in the target speed according to the safety parameter generated, the actual speed of the motor vehicle can be reduced to a safety parameter created for the second driving situation, and in particular reduced compared to the initial speed. The reduction in the setpoint speed for the second driving situation can definitely describe an increase in the setpoint speed compared to the setpoint speed defined for the first driving situation. It is also possible that the target speed established for the second driving situation corresponds to the target speed established for the first driving situation or is reduced compared to the first driving situation.

It can always be taken into account which target speed was defined or set as the starting speed. If the user of the motor vehicle selects a target speed, for example, the reduction that is made for the individual recorded driving situations can always be evaluated in relation to the selected target speed and corresponding reductions in the target speed can always be made in relation to the initial speed. If there are subsequent driving situations that do not require a reduction in the selected target speed, the motor vehicle can be operated at the previously selected target speed.

As described above, any situations in road traffic that require, in particular, a reduction in the target speed can be recorded as driving situations. According to one embodiment, the control device can be designed, in particular by means of the detection device described above, to detect a traffic jam situation as the driving situation and to reduce the setpoint speed as a function of a safety parameter describing the traffic jam situation. Accordingly, traffic jams or traffic jam situations in particular can be recorded as driving situations. In this way, slow-moving traffic, “stop and go” traffic or potentially slower than the vehicles driving ahead of the ego vehicle can be recorded. In such traffic jam situations, several scenarios are conceivable, for example the comparatively fast catching up on slower traffic ahead, which makes it necessary to reduce the target speed, for example to avoid heavy braking at the end of the traffic jam, which could be perceived uncomfortably by the user of the motor vehicle.

It is also possible to monitor a relative speed of vehicles that are moving in adjacent lanes in relation to the current lane of the ego motor vehicle. As a result, with regard to driving past slower moving or stationary motor vehicles, both the safety and the perception of the user can be improved in that the relative speed is reduced by reducing the setpoint speed.

In other words, in traffic jam situations of this type, information can be recorded as safety parameters that describe a relative speed of at least one motor vehicle that is in a lane running parallel to the lane of the ego motor vehicle is located, in particular stands still or moves at a lower speed than the actual speed. As a result, it can be achieved on the one hand that the user's perceived feeling of security is not impaired when the ego motor vehicle is moved past potentially slower moving motor vehicles or stationary motor vehicles. Furthermore, the security can be increased to the effect that the relative speed to a motor vehicle moving in a slower lane that veers into the current lane of the ego motor vehicle can be reduced.

According to a further embodiment of the control device described above, it can be provided that the control device, in particular by means of the detection device, is designed to detect at least one route section and / or at least one route segment as a driving situation in which at least one pedestrian is in a lane and / or is in a defined area next to a lane. On the one hand, it can thus be achieved that pedestrians who are in the area of the lane or in the lane of the ego motor vehicle can be detected by means of the detection device, so that safety in this area is potentially increased by reducing the setpoint speed, as described above can be.

This increases the safety of the ego motor vehicle, since it is moved more slowly in driving situations in which pedestrians are detected on the roadway or near the roadway. On the other hand, the feeling of security for the user of the motor vehicle is increased, since in such areas corresponding driving situations are perceived as safer due to the slower setpoint speed. In addition, with regard to other road users, in this case pedestrians in the lane or next to the lane, they also perceive the movement of the ego motor vehicle as being more pleasant.

According to a further embodiment of the control device, the control device, in particular by means of the detection device, can be designed to use as the driving situation at least one lane crossing the lane of the ego motor vehicle, in particular a level crossing and / or a bicycle path and / or a pedestrian crossing, in particular based on navigation data and / or steering data and / or a blinker status to detect. In other words, it is accordingly provided that a current or upcoming driving over or crossing of lanes, for example level crossings, bicycle paths or pedestrian crossings, can be detected.

Such driving maneuvers, i.e. crossing lanes, can be recorded based on various sources, in particular by means of navigation data, whereby a route currently being traveled can be analyzed in order to check whether or which other lanes, paths or lanes are being crossed on the current route . Furthermore, blinker states, that is, the signaling of a turn request and / or corresponding steering data, can be used to check whether or which lane is being crossed by the ego motor vehicle. In such driving situations in which the ego motor vehicle crosses a lane, the setpoint speed can be correspondingly reduced by the safety parameter that describes the driving situation in which the lane is crossed. Then, as also described above, the control of the speed of the motor vehicle by the control device can be continued to the selected output value.

For example, a pedestrian crossing or a bicycle path that crosses the current route of the motor vehicle can be recorded, with the target speed being able to be reduced in the area in which the lane is crossed by the ego motor vehicle, so that in this area, in which pedestrians, cyclists or other road users can represent a potential danger for the ego motor vehicle, driving through with a reduced target speed compared to the speed selected as the starting speed can be set. Once the “danger area” has been passed, the vehicle can be operated again at the previously selected target speed. It is thereby achieved that in such driving situations a temporary reduction in speed is carried out and then the vehicle can continue driving at the previously selected speed.

The control device can also be developed in such a way that the control device, in particular by means of the detection device, is designed to detect the driving situation based on at least one country-specific regulation, in particular in the case of a detected stationary bus with the warning signal switched on, the setpoint speed to walking speed, in particular 7 km / h to reduce. According to this embodiment, one or more country-specific regulations can be stored in the control device which relate to driving situations that can be detected by means of the detection device. If a driving situation is recorded which relates to a country-specific regulation or for which a country-specific regulation is stored in the control device, the Target speed reduced according to the requirement stored in the country-specific regulation.

For example, a bus can be detected that stops with the warning signal switched on, for example switched on hazard warning lights, wherein the target speed can be reduced in accordance with a country-specific regulation, for example to walking speed, in particular 7 km / h. This can in particular also apply to driving situations in which the ego motor vehicle is ultimately operated in the opposite lane if the lanes are not structurally separated from one another.

Depending on the country-specific regulations, driving situations can thus be recorded and the setpoint speed regulated accordingly, which could be disregarded if the motor vehicle continues to be operated as a function of the selected setpoint speed. This ensures that all country-specific regulations that are stored in the control device for specific driving situations are complied with by the control device or that the operation of the motor vehicle is controlled accordingly by the control device that such country-specific regulations that are in the control device or one of the control devices assigned data storage device are stored, are complied with the rules.

In the above-described adaptation or reduction of the setpoint speed for the detected driving situation, the lateral distance or the driving position of the ego motor vehicle can also be adapted in the current lane. The control device can in particular be designed to adapt a lateral distance and / or a driving position of the ego motor vehicle in the lane as a function of the safety parameter, in particular to increase the lateral distance to a detected hazard point, in particular a bottleneck or a pedestrian position, or generally an object position .

Accordingly, in addition to reducing the setpoint speed in a driving situation described by the safety parameter, the driving position of the ego motor vehicle can also be adapted in the current lane. For example, if a danger point is detected, for example a pedestrian in the area of the lane or on the lane, the lateral distance to the pedestrian or another object in the lane or near the lane can be increased. The driving position of the ego motor vehicle in relation to the current lane can thus be selected such that the ego motor vehicle does not leave the current lane as far as possible, but moves as far away as possible from the object or the pedestrian who is in the lane or . is in the area of the lane. This ensures that the safety distance to the pedestrian or other road users or objects, i.e. generally in the area of danger spots, can be increased and thus the safety for the ego motor vehicle, the other road user or the object and the subjectively perceived safety of the User of the motor vehicle can be improved.

In addition to the control device, the invention also relates to a motor vehicle comprising a previously described control device. In addition, the invention also relates to a method for operating a motor vehicle, in particular a motor vehicle described above and / or a motor vehicle with a control device described above, an actual speed of the motor vehicle being controlled as a function of a target speed, a current or upcoming driving situation being detected and a safety parameter which relates to at least one item of information describing the safety of the operation of the motor vehicle in the driving situation ahead, the setpoint speed being reduced as a function of the safety parameter generated.

All advantages, details, designs and / or features of the control device according to the invention can be transferred or applied to the motor vehicle according to the invention and the method according to the invention.

• 1 eine Prinzipdarstellung eines Kraftfahrzeugs gemäß eines ersten Ausführungsbeispiels;
• 2 eine Prinzipdarstellung eines Kraftfahrzeugs gemäß eines zweiten Ausführungsbeispiels;
• 3 eine Prinzipdarstellung eines Kraftfahrzeugs gemäß eines dritten Ausführungsbeispiels; und
• 4 eine Prinzipdarstellung eines Kraftfahrzeugs gemäß eines vierten Ausführungsbeispiels.

The invention is explained in more detail by means of exemplary embodiments in the drawings. It shows:

• 1 a schematic diagram of a motor vehicle according to a first embodiment;
• 2 a schematic diagram of a motor vehicle according to a second embodiment;
• 3 a schematic diagram of a motor vehicle according to a third embodiment; and
• 4th a schematic diagram of a motor vehicle according to a fourth embodiment.

1 shows a motor vehicle 1 , comprising a control device 2 that are used to control the operation of the motor vehicle 1 is designed, in particular for controlling an actual speed of the motor vehicle as a function of a target speed. The control device 2 has a Detection device 3 on or is the control device 2 with a detection device 3 connected. The detection device 3 is trained to identify a current or upcoming driving situation in 1 a driving situation 4th to detect and to generate a safety parameter which at least one the safety of the operation of the motor vehicle 1 in the current or upcoming driving situation 4th descriptive information concerns.

The control device 2 is designed to reduce the target speed as a function of the generated safety parameter. The detection device 3 is designed in particular to set the safety parameter for a route section and / or a route segment lying ahead 5 to create. The following is based on the 1 to 4th the reduction of the target speed based on generated safety parameters, which are generated depending on different driving situations, explained in more detail.

In the 1 illustrated driving situation 4th concerns a bottleneck 6th on a current lane 7th on which the ego motor vehicle 1 is currently being moved. The bottleneck 6th thus reduces the available width 8th the lane 7th so that driving through the driving situation 4th ultimately has to be carried out on a lane width that is reduced compared to a lane width that is usually available. The detection device 3 therefore records the driving situation 4th and outputs a safety parameter that is the opposite of the rest of the lane 7th indicates reduced lane width. Thus, the control device 2 for the route segment 5 a reduction in the setpoint speed compared to, for example, one by a user of the motor vehicle 1 the selected output speed. After driving through the section of the route 5 , that is, passing the bottleneck 6th , the control device can 2 control the target speed back to the previously selected output value.

1 also shows, by way of example, that the detection device 3 Objects 9 in the lane 7th or in a defined area around the lane 7th can detect, especially pedestrians, obstacles or other road users. Depending on how close the object is 9 at the lane 7th or where the object is 9 within the lane 7th is located, a corresponding safety parameter can be output that brings about a required reduction in the setpoint speed. The control device 2 can thus reduce the setpoint speed as a function of the safety parameter generated, so that the actual speed of the motor vehicle 1 is controlled to the reduced target speed and the object 9 can be happened correspondingly more slowly. As previously described, it is possible to do this after passing the object 9 return to the previously selected starting speed.

It is also possible for the route segment 5 that the bottleneck 6th has to define a first setpoint speed that is dependent on the driving situation 4th present situation is generated. Following this, can for the passing of the object 9 a further target speed or a further target speed defined in relation to the previously selected initial speed or its reduction can be defined. The two target speeds can in particular differ from one another, since the passage through the narrow point 6th for example one opposite the passing of the object 9 requires a lower target speed or vice versa.

2 shows a driving situation 10 in which the motor vehicle 1 , this in 1 has been described, that is, a control device 2 and a detector 3 has, along a predetermined route 11 is moved. The route 11 contains a route segment 12th in which the motor vehicle 1 a trail 13th crosses, being the track 13th for example a bicycle lane, an unrestricted level crossing or a pedestrian crossing. The detection device 3 is designed to show the lane of the ego motor vehicle 1 crossing track 13th to be recorded, for example using navigation data or using a camera. The course of the current route 11 of the motor vehicle 1 can, for example, also be obtained from navigation data, for example from a current route. It is also possible to detect the turn request based on steering movements or blinker signals.

For the driving situation 10 a corresponding safety parameter can thus be generated, whereby the setpoint speed of the motor vehicle 1 in the driving situation 10 is reduced accordingly, so that the dangers potentially arising from crossing traffic or crossing road users can be reduced by the reduced target speed. As described above, after driving through the driving situation 10 a control of the actual speed of the motor vehicle 1 on the part of the control device 2 take place on a previously selected initial speed, that is, the reduction of the target speed necessary for the driving situation 10 was made after driving through the driving situation 10 can be canceled again.

3 shows a driving situation 14th , again being the motor vehicle 1 already described in relation to 1 and 2 described became, that is, a motor vehicle 1 , which is a described control device 2 as well as one of the control device 2 assigned detection device 3 having. The car 1 is doing this on one lane 15th moves parallel to a lane 16 runs on which, for example, other road users 17th be moved. The road users 17th represent an example of the end of a traffic jam, ie the road users 17th in relation to the motor vehicle 1 stand still or move at a slower speed. The detection device 3 is again able to manage the driving situation 14th to detect, for example the relative speed in relation to the road users 17th and / or a preceding motor vehicle 18th that moves at a lower speed than the target speed of the motor vehicle 1 .

The control device can accordingly 2 based on that for the driving situation 14th generate safety parameters achieve a reduction in the target speed, so that too fast driving onto the front of the motor vehicle 1 Slower moving traffic can be reduced or the relative speed can be reduced beforehand to prevent unnecessarily strong braking of the motor vehicle 1 in the area of the end of the traffic jam, i.e. in the area of the driving situation 14th to avoid. It can also affect road users 17th Consideration must be given because, on the one hand, road users will pass 17th can be avoided at an excessive speed. Furthermore, a motor vehicle that may potentially pull out of the group can be taken into account, so that an excessive relative speed due to the reduction of the setpoint speed in the driving situation 14th is avoided.

4th shows a driving situation 19th at which the detection device 3 of the motor vehicle 1 a bus 20th detected, which stops, for example, in a holding bays 21. In particular, the detection device 3 an activated warning signal 22nd , for example a hazard warning system, of the bus 20th capture. In this embodiment, the control device 2 a corresponding (not shown) data storage device is assigned, which is designed to store one or more country-specific regulations. The detection device is corresponding 3 trained to handle the driving situation 19th based on the stored country-specific regulation. In other words, the detection device 3 the traffic driving situation 19th to the stored country-specific regulation so that the control device 2 a corresponding reduction in the target speed of the motor vehicle 1 can make.

In this exemplary embodiment, the detection device detects 3 in the driving situation 19th therefore those with an activated warning signal 22nd stopping bus 20th , which is located in the holding bay 21, so that the control device 2 the target speed is reduced to walking speed according to a stored regulation, in particular to 7 km / h. The control of the target speed for the driving situation 19th can also be done when the motor vehicle 1' , which is shown in dashed lines, is driving on the opposite lane, since this, according to the country-specific regulation, is not structurally separated from the other lane and therefore driving through the driving situation 19th is also specified for the opposite lane in walking speed by the country-specific regulation. As described above in relation to the other exemplary embodiments, after driving through the driving situation 19th a renewed control to the previously set initial speed take place.

The advantages, details and features shown in the individual exemplary embodiments can of course be combined with one another, exchanged with one another or transferred to one another. In the exemplary embodiments shown, the setpoint speed can always be adjusted with an adjustment of the lateral distance or an adjustment of the position of the motor vehicle 1 , 1' can be combined within the lane.

List of reference symbols

1, 1 '

Motor vehicle

2

Control device

3

Detection device

4th

Driving situation

5

Route segment

6th

Bottleneck

7th

lane

8th

Width of 7

9

object

10

Driving situation

11

route

12th

Route segment

13th

track

14th

Driving situation

15th

lane

16

lane

17th

Road users

18th

Front vehicle

19th

Driving situation

20th

bus

31

Holding bays

22nd

Warning sign

Claims (11)

Control device (2) for controlling the operation of a motor vehicle (1, 1 '), which control device (2) is designed at least to control an actual speed of the motor vehicle (1, 1') as a function of a target speed, characterized in that the control device ( 2) has a detection device (3) which is designed to detect a current or upcoming driving situation (4, 10, 14, 19) and to generate a safety parameter which at least one of the safety of the operation of the motor vehicle (1, 1 ' ) relates to descriptive information in the current or upcoming driving situation (4, 10, 14, 19), the control device (2) being designed to reduce the setpoint speed as a function of the safety parameter generated. Control device according to Claim 1 , characterized in that the detection device (3) is designed to generate the safety parameter for a route section ahead and / or a route segment (5, 12) ahead. Control device according to Claim 1 or 2 , characterized in that the control device (2) is designed to reduce the target speed for a detected driving situation (4, 10, 14, 19) and after driving through the driving situation (4, 10, 14, 19) the target speed to the initial value or the target speed for a further driving situation (4, 10, 14, 19) following the driving situation (4, 10, 14, 19) depending on a safety parameter recorded for the further driving situation (4, 10, 14, 19) to reduce. Control device according to one of the preceding claims, characterized in that the control device (2), in particular by means of the detection device (3), is designed to detect a traffic jam situation as a driving situation (4, 10, 14, 19) and the setpoint speed as a function of a to reduce the safety parameter describing the traffic jam situation. Control device according to Claim 4 , characterized in that the control device (2) is designed to detect a safety parameter for the traffic jam situation, which describes a relative speed of at least one motor vehicle (1, 1 ') which is in a parallel to the lane (7, 15, 16 ) of the ego motor vehicle (1, 1 ') running lane (7, 15, 16) is, in particular is stationary or is moving at a lower speed compared to the actual speed. Control device according to one of the preceding claims, characterized in that the control device (2), in particular by means of the detection device (3), is designed to act as a driving situation (4, 10, 14, 19) at least one route section and / or at least one route segment ( 5, 12) in which at least one pedestrian is in a lane (7, 15, 16) and / or in a defined area next to a lane (7, 15, 16). Control device according to one of the preceding claims, characterized in that the control device (2), in particular by means of the detection device (3), is designed to detect at least one lane (7, 15, 16) as the driving situation (4, 10, 14, 19) ) of the ego motor vehicle (1, 1 ') crossing lane (13), in particular a level crossing and / or a bicycle lane and / or a pedestrian crossing, in particular based on navigation data and / or steering data and / or a blinker status. Control device according to one of the preceding claims, characterized in that the control device (2), in particular by means of the detection device (3), is designed to detect the driving situation (4, 10, 14, 19) based on at least one country-specific regulation, in particular when a stationary bus (20) is detected and the warning signal (22) is switched on, to reduce the setpoint speed to walking speed, in particular 7 km / h. Control device according to one of the preceding claims, characterized in that the control device (2) is designed to determine a lateral distance and / or a driving position of the ego motor vehicle (1, 1 ') in the lane (7, 15, 16) as a function of the Adapt safety parameters, in particular to increase the lateral distance to a detected hazard point, in particular a narrow point (6) or a pedestrian position. Motor vehicle (1, 1 '), comprising a control device (2) according to one of the preceding claims. Method for operating a motor vehicle (1, 1 '), in particular a motor vehicle (1, 1') according to Claim 10 and / or a motor vehicle (1, 1 ') with a control device (2) according to one of the Claims 1 to 9 , wherein an actual speed of the motor vehicle (1, 1 ') as a function of a Target speed is controlled, characterized in that a current or upcoming driving situation (4, 10, 14, 19) is detected and a safety parameter is generated which at least one of the safety of the operation of the motor vehicle (1, 1 ') in the driving situation (4 , 10, 14, 19) relates to descriptive information, the target speed being reduced as a function of the safety parameter generated.

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