Apparatus for controlling a land vehicle which is self-driving or partially self-driving
Apparatus for controlling a land vehicle which is self-driving or partially self-driving, comprising a coarse tuning assembly ( 1, 2, 3 ) and a fine tuning assembly ( 4 ), the coarse tuning assembly ( 1, 2, 3 ) comprising: (a) a sensor interface ( 1 ) which measures kinematic parameters including speed and braking, (b) fuzzy descriptions which model guidance, navigation and control of the vehicle, and which include: (i) driver behavior and driving dynamics, (ii) uncertainties due to weather, road conditions and traffic, and (iii) input faults including mechanical and electrical parts, and (c) an adaptive fuzzy logic controller ( 3 ), and the fine tuning assembly ( 4 ) comprising: (a) inputs from the coarse tuning assembly ( 1, 2, 3 ), (b) precognition horizons determining how many future samples of input sensor information are required for an optimum control sequence, (c) a linearized multi-input multi-output regression model extracted from the adaptive fuzzy logic controller ( 3 ), and (d) a non-linear dynamic linearized regression controller ( 4 a ).
1. Apparatus for controlling a land vehicle which is self-driving or partially self-driving, which apparatus comprises a coarse tuning assembly and a fine tuning assembly,
the coarse tuning assembly being such that it comprises:
a. a sensor interface which measures kinematic parameters including speed and braking,
b. fuzzy descriptions to model guidance, navigation and control of the vehicle, the fuzzy descriptions including:
(i) driver behaviour and driving dynamics,
(ii) uncertainties due to the environment including weather, road conditions and traffic, and
(iii) input faults including mechanical and electrical parts,
and
c. an adaptive fuzzy logic controller for nonlinear multi-input multi-output systems with subsystems which comprise fuzzification, inference, and output processing, which comprise both type reduction and defuzzification, and which provide stability of a resulting closed-loop system, the adaptive fuzzy logic controller including:
(i) inference engine identifying relationships using a rule base and outputs as fuzzy sets, to a type reducer, and
(ii) output control demands including torque actuators for a fuzzyfier fuzzifying the signal,
and the fine tuning assembly being such that it comprises:
a. inputs from the coarse tuning assembly,
b. precognition horizons determining how many future samples of input sensor information are required in order to predict an optimum control sequence to change the driving dynamics,
c. a linearized multi-input multi-output regression model extracted from the adaptive fuzzy logic controller at each time step providing fine tuning parameters, and
d. a non-linear dynamic linearized regression controller providing:
(i) a crisp output signal feeding into artificial precognition adaptive cognized control synthesis computing optimal future vehicle guidance, navigation and control sequence, and
(ii) reduced set output and artificial precognition adaptive cognized control synthesis feeding into the artificial precognition adaptive cognized control linear logic system.
2. Apparatus according to claim 1 and including a synchronization assembly which optimises the input signal to the output signals and which comprises cascaded diophantine frequency synthesis means which predicts future stabilization output parameters of the vehicle.