Acceleration reference circuit

Claim 2

A reference circuit for producing and utilizing an inverted control product parameter by comparing said inverted control product parameter with an actual parameter so that said referencing will occur, and including in combination a. a sequencing device having an input and an output, said input being a pulse input having a period equal to Delta t seconds, said output being a pulse output having a one-half period equal to Delta t seconds, b. a ''''control product'''' circuit having first, second and third inputs, said first input being a level varying analog voltage, said second input being said pulse output of said sequencing device, said ''''control product'''' circuit producing an output which has a peak value, said peak value being the product of said level varying analog voltage and the square of said one-half period of said pulse output from said sequencing means, c. a ''''control product'''' inversion circuit having first, second and third inputs, said first input being said output of said ''''control product'''' circuit, said second input being said pulse output of said sequencing device, said third input being a constaNt voltage, said ''''control product'''' inversion circuit producing first and second outputs, said first output being inversely proportional to said output of said ''''control product'''' circuit and having a peak value, said second output controllingly electrically coupled to said ''''control product'''' circuit as said third input to said ''''control product'''' circuit, d. a ''''control product'''' inversion utilization circuit having first and second inputs, said first input being said first output from said ''''control product'''' inversion circuit, said second input being said actual parameter, said ''''control product'''' inversion utilization circuit producing an output which is a comparison of said actual parameter and said peak value of said output from said ''''control product'''' inversion circuit.

Claim 3

An acceleration reference circuit for producing and utilizing a first parameter analogous and proportional to a control acceleration of a vehicle by comparing said first parameter with a second parameter analogous and proportional to actual vehicle acceleration, so that said referencing will occur over a predetermined distance range and including in combination, a. a sequencing device having an input and an output, said input being a pulse input, which pulses have pulse rates in accordance with the velocity of said vehicle, said pulse input having a period equal to Delta t seconds, said output being a pulse output having one-half period equal to Delta t seconds, b. a control product circuit having first, second and third inputs, said first input being a level varying voltage, said level varying voltage being analogous to the distance left to be traveled over said predetermined distance range, said second input being said pulse output of said sequencing device, said control product circuit producing an output which has a peak value, said peak value being the product of said level varying voltage and the square of said one-half period of said pulse output from said sequencing means, c. a control product inversion circuit having first, second and third inputs, said first input being said output of said control product circuit, said second input being said pulse output of said sequencing device, said third input being a preselected constant voltage, said control product inversion circuit producing first and second outputs, said first output being inversely proportional to said output of said control product circuit and having a peak value, said first output of said control product circuit being analogous and directly proportional to said vehicle control acceleration, said second output controllingly electrically coupled to said control product circuit as said third input to said control product circuit, d. a control product inversion utilization circuit having first and second inputs, said first input being said output from said control product inversion circuit, said second input being said second parameter analogous and proportional to actual vehicle acceleration, said control product inversion utilization circuit producing an output which is a comparison of said actual vehicle acceleration parameter and said vehicle control acceleration parameter.

Claim 4

An acceleration reference circuit for producing and utilizing a first parameter analogous and proportional to a control acceleration of a vehicle by comparing said first parameter with a second parameter analogous and proportional to actual vehicle acceleration, so that said referencing will occur over a predetermined distance range and including in combination, a. a sequencing device having an input and an output, said input being a pulse input, which pulses have pulse rates in accordance with the velocity of said vehicle, said pulse input having a period equal to Delta t seconds, said output being a pulse output having one-half period equal to Delta t seconds, b. a control product circuit having first, second and third inputs, said first input being a level varying voltage, said level varying voltage being analogous to the distance left to be traveled over said predetermined distance range, said second input being said pulse output of said sequencing device, said control product circuit producing an output which has a peak value, said peak value being the product of said level varying voltage and the square of said one-half period of said pulse output from said sequencing means, c. a control product inversion circuit having first, second and third inputs, said first input being said output of said control product circuit, said second input being said pulse output of said sequencing device, said third input being a preselected constant voltage, said control product inversion circuit producing first and second outputs, said first output being inversely proportional to said output of said control product circuit and having a peak value, said first output of said control product circuit being analogous and directly proportional to said vehicle control acceleration, said second output controllingly electrically coupled to said control product circuit as said third input to said control product circuit, d. a control product inversion utilization circuit having first and second inputs, said first input being said output from said control product inversion circuit, said second input being said second parameter analogous and proportional to actual vehicle acceleration, said control product inversion utilization circuit producing an output which is a comparison of said actual vehicle acceleration parameter and said vehicle control acceleration parameter.

Claim 5

The acceleration reference circuit of claim 2 wherein said control product circuit includes in combination, a. a first integrating circuit having first and second inputs and an output, said first input of said first integrating circuit being said level varying analog voltage, said second input of said first integrating circuit being said pulse output of said sequencing device, said output of said first integrating circuit being the integration of said level varying voltage over said Delta t seconds, said output reaching a peak value, at the end of said Delta t seconds, equal to the product of said level varying voltage and said Delta t seconds, b. a control product sequencing device having first and second inputs aNd an output, said first input of said control product sequencing device being said pulse output of said sequencing device, said second input of said control product sequencing device being said second output of said control product inversion circuit, c. a second integrating circuit having first and second inputs and an output, said first input of said second integrating circuit being said output of said first integrating circuit, said second input of said second integrating circuit being said output from said control product sequencing device, such that said second integrating circuit simultaneously integrates said output of said first integrating circuit over Delta t seconds, thus producing said output of said second integrating circuit having a peak value equal to the product of said level varying voltage and the square of said Delta t seconds, said peak value of said output of said second integrating circuit being held for a holding time (t1- Delta t) seconds, where the time t1 is determined by said second output of said control product inversion circuit.

Claim 6

The accelerating reference circuit of claim 2 wherein said control product inversion circuit includes in combination, a. a control product inversion sequencing device having first and second inputs and an output, said first input being said pulse output from said sequencing device, b. a level limiting circuit having an input and an output, said level limiting circuit producing said output when said input reaches a predetermined peak value, c. a third integrating circuit having first and second inputs and an output, said first input being said output from said control product circuit, said second input being said output from said control product inversion sequencing device which controllingly regulates said third integrating circuit such that said third integrating circuit will only integrate said output from said second integrating circuit at times greater than or equal to said time Delta t, thereby producing said output from said third integrating circuit to provide said input to said level limiting circuit, said output from said third integrating circuit reaching said predetermined peak value at time t, to thereby cause said level limiting circuit to produce said level limiting circuit output, said level limiting circuit output controllingly electrically coupled to said control product inversion sequencing device as said second input to said control product inversion sequencing device, said output from said level limiting circuit also controllingly electrically coupled to said control product sequencing device as said second input to said control product sequencing device to thereby hold said peak value of said output of said second integrating circuit for said holding time (t1- Delta t) seconds, said output from said control product inversion sequencing device controllingly electrically coupled to said third integrating circuit as said second input to said third integrating circuit, d. a fourth integrating circuit having first and second inputs and an output, said first input being a preselected constant voltage, said second input being said output of said control product inversion sequencing device, such that said fourth integrating circuit will integrate said preselected constant voltage from the time Delta t seconds to said time t1 seconds thereby providing said output of said fourth integrating circuit, said output of said fourth integrating circuit reaching a peak value at said time t1 seconds, said peak value of said output being of said fourth integrating circuit being of said first parameter analogous and proportional to said control vehicle acceleration.

Claim 7

The acceleration reference circuit of claim 2, wherein said control product inversion utilization circuit includes in combination, a. a control product inversion peak output holding circuit having an input and an output, said Input being said output of said fourth integrating circuit, said output of said control product inversion peak output holding circuit being said peak value of said output of said fourth integrating circuit, b. a comparison circuit having first and second inputs and an output, said first input of said comparison circuit being said output of said control product inversion peak output holding circuit, said second input of said comparison circuit being said second parameter analogous and proportional to said actual vehicle acceleration, said comparison circuit producing said output of said comparison circuit whenever said actual vehicle acceleration parameter and said control vehicle acceleration parameter are unequal, said output of said comparison circuit thereby providing said acceleration monitoring.

Claim 8

A circuit including in combination, a. a sequencing device having an input and an output, said input being a pulse having a period equal to Delta t seconds, said output being a pulse having a half period equal to Delta t seconds, b. a ''''control product'''' circuit having first, second, and third inputs, said first input connected to a source of varying analog voltage, said second input connected to said output pulse of said sequencing device, said control product circuit having an output the peak value of which is the product of said level varying analog voltage and the square of said half period of said output pulse of said sequencing device, c. a ''''control product'''' inversion circuit having first, second, and third inputs, said first input connected to said output of said ''''control product'''' circuit, said second input connected to said output pulse of said sequencing device and said third input connected to a source of constant voltage, said ''''control product'''' inversion circuit producing first and second outputs, said first output connected to the third input of said ''''control product'''' circuit and said second output having a peak value which is inversely proportional to said peak value of said ''''control product'''' circuit output.

Claim 9

A circuit including in combination, a. a sequencing device having an input and an output, said input being a pulse having a period equal to Delta t seconds, said output being a pulse having a half period equal to Delta t seconds, b. a ''''control product'''' circuit having first, second, and third inputs, said first input connected to a source of varying analog voltage, said second input connected to said output pulse of said sequencing device, said control product circuit having an output the peak value of which is the product of said level varying analog voltage and the square of said half period of said output pulse of said sequencing device, c. a ''''control product'''' inversion circuit having first, second, and third inputs, said first input connected to said output of said ''''control product'''' circuit, said second input connected to said output pulse of said sequencing device and said third input connected to a source of constant voltage, said ''''control product'''' inversion circuit producing first and second outputs, said first output connected to the third input of said ''''control product'''' circuit and said second output having a peak value which is inversely proportional to said peak value of said ''''control product'''' circuit output.